10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________

FORM 10-K

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☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2023

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 333-258176

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FIRSTSUN CAPITAL BANCORP

(Exact name of registrant as specified in its charter)

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Delaware	81-4552413
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

1400 16th Street, Suite 250

Denver, Colorado 80202

(303) 831-6704

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

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Securities registered pursuant to Section 12(b) of the Act: None

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐ No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ☐ No ☒

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Securities Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act): Yes ☐ No ☒

As of June 30, 2023, the last business day of the registrant’s most recently completed second fiscal quarter, the aggregate market value of the registrant’s voting and non-voting common equity held by non-affiliates of the registrant was $212.9 million. Accordingly, the registrant became an accelerated filer as of January 1, 2024. The registrant continues to qualify as an emerging growth company.

As of March 6, 2024, there were approximately 27,430,682 shares of the registrant’s common stock, $0.0001 par value, outstanding.

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Table of Contents

	Page
Cautionary Note Regarding Forward-Looking Statements	3
Summary of Material Risks	5
Part I	7
Item 1. Business	7
Item 1A. Risk Factors	28
Item 1B. Unresolved Staff Comments	56
Item 1C. Cybersecurity	56
Item 2. Properties	58
Item 3. Legal Proceedings	58
Item 4. Mine Safety Disclosures	58
Part II	59
Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	59
Item 6. [Reserved]	59
Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations	60
Item 7A. Quantitative and Qualitative Disclosures About Market Risk	83
Item 8. Financial Statements and Supplementary Data	84
Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosures	150
Item 9A. Controls and Procedures	150
Item 9B. Other Information	151
Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspection	152
Part III	152
Item 10. Directors, Executive Officers and Corporate Governance	152
Item 11. Executive Compensation	155
Item 12. Security Ownership of Certain Beneficial Owner and Management and Related Stockholder Matters	168
Item 13. Certain Relationships and Related Transactions, and Director Independence	170
Item 14. Principal Accounting Fees and Services	177
Part IV	178
Item 15. Exhibits, Financial Statement Schedules	178
Item 16. Form 10-K Summary	180
Signatures	181

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains certain forward-looking statements that are included pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements reflect our current views with respect to, among other things, statements relating to the Company’s assets, business, cash flows, condition (financial or otherwise), credit quality, financial performance, liquidity, short and long-term performance goals, prospects, results of operations, strategic initiatives, the benefits, cost and synergies of completed acquisitions or dispositions, and the timing, benefits, costs and synergies of future acquisitions, disposition and other growth opportunities, including statements regarding our pending merger with HomeStreet, Inc. (“HomeStreet”). They are not statements of historical or current fact nor are they assurances of future performance, and they generally can be identified by the use of forward-looking terminology, such as “believe,” “expect,” “anticipate,” “intend,” “target,” “estimate,” “continue,” “positions,” “plan,” “predict,” “project,” “forecast,” “guidance,” “goal,” “objective,” “prospects,” “possible” or “potential,” by future conditional verbs such as “assume,” “will,” “would,” “should,” “could” or “may,” or by variations of such words or by similar expressions. These forward-looking statements are subject to numerous assumptions, risks and uncertainties, which change over time, are difficult to predict and are generally beyond our control and should be viewed with caution.

There are or will be important factors that could cause our actual results to differ materially from those indicated in these forward-looking statements, including, but not limited to, the following:

•potential fluctuations or unanticipated changes in the interest rate environment, including interest rate changes made by the Board of Governors of the Federal Reserve, and their related impacts on macroeconomic conditions, customer and client behavior, our funding costs, and our loan and securities portfolios, as well as cash flow reassessments may reduce net interest margin and/or the volumes and values of loans made or held as well as the value of other financial assets;

•changes in the monetary and fiscal policies of the U.S. Government, including policies of the U.S. Department of the Treasury and the Federal Reserve;

•other actions of the Federal Reserve and legislative and regulatory actions and reforms;

•the potential effects of events beyond our control that may have a destabilizing effect on financial markets, economic growth, customer and client behavior and the economy in general, such as inflation and recessions, epidemics and pandemics, terrorist activities, wars and other foreign conflicts, essential utility outages, climate change, deterioration in the global economy, instability in the credit markets, disruptions in our customers’ supply chains or disruption in transportation;

•the potential effects of pandemics or public health conditions on the economic and business environments in which we operate, including the impact of actions taken by governmental authorities to address these situations, and the resulting effect of these items on our operations, liquidity and capital position, and on the financial condition of our borrowers and other customers;

•changes in legislation, regulation, policies or administrative practices, whether by judicial, governmental or legislative action and other changes pertaining to banking, securities, taxation, rent regulation and housing, financial accounting and reporting, environmental protection and insurance and the ability to comply with such changes in a timely manner;

•the risk that we may be required to make substantial expenditures to keep pace with regulatory initiatives and the rapid technological changes in the financial services market;

•competition from financial institutions and other financial service providers including non-bank financial technology providers and our ability to attract customers from other financial institutions;

•any unanticipated or greater than anticipated adverse conditions in the national or local economies in which we operate;

•our loan concentration in industries or sectors that may experience unanticipated or greater than anticipated adverse conditions than other industries or sectors in the national or local economies in which we operate;

•increased capital requirements, other regulatory requirements or enhanced regulatory supervision;

•cyber-security risks and the vulnerability of our network and online banking portals, and the systems or parties with whom we contract, to unauthorized access, computer viruses, phishing schemes, spam attacks, human error, natural disasters, power loss and other security breaches that could adversely affect our business and financial performance or reputation;

•risks with respect to our ability to identify and complete future mergers or acquisitions, including our proposed merger with HomeStreet, as well as our ability to successfully expand and integrate those businesses and operations that we acquire;

•the failure to close our previously announced merger with HomeStreet when expected or at all because required regulatory approvals and other conditions to closing are not received or satisfied on a timely basis or at all, and the

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risk that any regulatory approvals may result in the imposition of conditions that could adversely affect the combined company or the expected benefits of the proposed merger;

•the dilutive effect of shares of FirstSun’s common stock to be issued at the completion of the proposed merger with HomeStreet and the related effects on our stock price;

•the occurrence of any event, change or other circumstances that could give rise to the right of one or both of the parties to terminate the merger agreement with HomeStreet;

•any change in the purchase accounting assumptions used regarding the HomeStreet assets acquired and liabilities assumed to determine the fair value and credit marks, particularly in light of the current interest rate environment;

•the possibility that the anticipated benefits of the proposed merger with HomeStreet, including anticipated cost savings and strategic gains, are not realized when expected or at all;

•the proposed merger with HomeStreet being more expensive or taking longer to complete than anticipated, including as a result of unexpected factors or events;

•the diversion of management’s attention from ongoing business operations and opportunities due to the proposed merger with HomeStreet;

•potential adverse reactions or changes to business or employee relationships, including those resulting from the announcement or completion of the proposed merger with HomeStreet;

•additional regulatory burdens that may be imposed upon the completion of the HomeStreet merger due to having assets in excess of $10 billion;

•changes in FirstSun’s or HomeStreet’s share price before closing;

•the risks of expansion into new geographic or product markets;

•the inability to manage strategic initiatives and/or organizational changes;

•our ability to attract and retain key employees;

•volatility in the allowance for credit losses resulting from the CECL methodology, either alone or as that may be affected by conditions affecting our business;

•changes in accounting principles, policies, practices or guidelines;

•our reliance on third parties to provide key components of our business infrastructure and services required to operate our business;

•the availability of and access to capital; failures of internal controls and other risk management systems;

•the outcome (including judgments, costs, fines, reputational harm, inability to obtain necessary approvals and/or other negative effects) of pending or threatened litigation or of matters before or involving regulatory agencies, whether currently existing or commencing in the future;

•losses due to fraudulent or negligent conduct of our customers, third-party service providers or employees; and

•limitations on our ability to declare and pay dividends and other distributions from our bank to our holding company, which could affect our holding company’s liquidity, including its ability to pay dividends to shareholders or take other capital actions; and

•other factors, many of which are beyond our control.

We caution readers that the foregoing list of factors is not exclusive, and is not necessarily in order of importance and readers should not place undue reliance on any forward-looking statements. These factors should also be read in conjunction with “Item 1.A. Risk Factors,” included in this report. If one or more events related to these or other risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, actual results may differ materially from our forward-looking statements. Accordingly, you should not place undue reliance on any such forward-looking statements. Further, any forward-looking statement speaks only as of the date on which it is made and we do not intend to and disclaim any obligation to update or revise any forward-looking statement to reflect events or circumstances after the date on which the statement is made or to reflect the occurrence of unanticipated events, unless required to do so under the federal securities laws.

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SUMMARY OF MATERIAL RISKS

An investment in our securities involves risks, including those summarized below. For a more complete discussion of the material risks facing our business, see “Item 1A. Risk Factors.”

Risks Related to Our Business

Economic and Geographic-Related Risks

•Our business may be adversely affected by economic conditions, including inflation.

•Changes in economic and market conditions may negatively affect our wealth management business.

Risks Associated with Monetary Events

•Our business and results of operations may be adversely impacted by fiscal, monetary and regulatory policies.

Lending Risks

•If we fail to effectively manage credit risk, our business and financial condition will suffer.

•Our allowance for credit losses may be insufficient to absorb credit losses.

•We are exposed to higher credit risk by commercial and industrial and commercial real estate lending.

•A significant portion of our loan portfolio is secured by real estate, and events that negatively impact the real estate market could hurt our business.

•Nonperforming assets may adversely affect our financial condition.

Interest Rate and Yield Curve Risks

•We are subject to interest rate risk, which could adversely affect our financial condition and profitability.

•Our cost of funds may increase due to various market, regulatory or competitive factors.

•Rapidly rising interest rates may negatively affect the value of our loans and securities.

•A flat or inverted yield curve may reduce our net interest margin and adversely affect our loan and investment portfolios.

Mortgage Banking Risks

•Our mortgage revenue is cyclical and is sensitive to the level of interest rates, changes in economic conditions, decreased economic activity, regulatory changes and slowdowns in the housing market.

•Our mortgage revenue generally decreases in rising or high interest rate conditions.

•U.S. government policy changes could impact our ability to originate and sell mortgages.

•We may be terminated as a servicer of mortgage loans or incur fines if we fail to satisfy our servicing obligations.

•We may be required to repurchase mortgage loans or indemnify buyers against losses in some circumstances.

Operational Risks

•We are subject to losses due to errors, omissions or fraudulent behavior by our employees, clients or others.

•We are exposed to the possibility of technology failure and a disruption in our operations.

•A failure in, or breach of, our operational or security systems or infrastructure, or those of our third-party vendors or others, including as a result of cyber-attacks, could disrupt our businesses, result in the disclosure or misuse of confidential or proprietary information, damage our reputation, increase our costs and cause losses.

•Our risk management framework may not be effective in mitigating risks and/or losses.

•Our reputation, which is critical to our success as a community bank, could be damaged by operational failures.

•A failure to retain or hire key employees could harm our business.

Industry-Related Risks

•Our customers may prepay their loans, which could reduce our interest income and profitability.

•Competition with other banks and consumers deciding not to use banks may adversely affect our business.

•Failure to keep pace with technological change could result in losses.

•Other financial services institutions could experience financial or business stress which could expose us to counter-party risks.

•Our deposit insurance premiums could be higher in the future, which could reduce our earnings.

Capital and Liquidity Risks

•If we need additional capital resources in the future, they may not be available when needed or at all.

•Liquidity, primarily through deposits, is essential to our business model, and a lack of liquidity, an increase in the cost of liquidity or even bank failures, could materially impair our ability to fund our operations.

•We may not be able to maintain a strong core deposit base or access other low-cost funding sources.

•Deposit levels may be affected by changes in economic conditions, including monetary policy.

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Risks Related to Strategic Plans

•Mergers and acquisitions, including our proposed merger with HomeStreet, may subject us to risks, which could disrupt our business and dilute stockholder value.

•We may issue stock in connection with mergers and acquisitions that could dilute stockholders and cause our stock price to decline.

•Mergers and acquisitions may be delayed or prohibited due to regulatory matters.

•We face risks and uncertainties related to our proposed merger with HomeStreet, including interest rate volatility that may affect the fair value of assets and liabilities acquired.

•HomeStreet shareholders may exercise dissenters’ rights, which could cause us to incur significant costs.

•We expect to incur substantial expenditures and devote considerable management time in connection with the proposed merger with HomeStreet, subjecting us to loss of management resources for other activities and increased costs.

•If we close the proposed merger with HomeStreet, we will have greater than $10 billion in assets, which will result in additional regulations, increased supervision by bank regulators and increased costs.

•We may be unable to grow our business organically, which could adversely affect our business.

•New lines of business or new products and services may subject us to additional risk.

Risks Related to Public Health Issues

•Outbreaks of pandemics or diseases could adversely affect our ability to operate or our financial condition and results of operations.

Legal, Accounting, Regulatory and Compliance Risks

•As a banking entity, we are heavily regulated.

•We are subject to regulatory requests, reviews, investigations and proceedings.

•Failure to maintain certain regulatory capital levels and ratios could result in regulatory actions.

•We face risks related to noncompliance with the Bank Secrecy Act and other anti-money laundering statutes.

•Consumer lending laws impact mortgage originations and could increase credit risk on such loans.

•We are subject to fair lending laws.

•The Federal Reserve may require us to commit capital resources to support Sunflower Bank.

•We are party to various claims and lawsuits incidental to our banking business.

•Political dysfunction and volatility within the federal government creates significant potential for changes in bank regulation, taxes, and the economy.

•The expanding laws and regulations that govern data privacy may pose onerous compliance obligations for us.

•Our preparation of financial statements in accordance with U.S. generally accepted accounting principles requires management to make significant assumptions, estimates and judgements that affect our financial statements, and which, if incorrect, could adversely affect our financial results.

•Changes in tax laws, regulations and interpretations or challenges to our income tax provision may adversely affect us.

•Our internal controls and procedures may fail or be circumvented.

Risks Related to Our Common Stock

•Our common stock is thinly traded, which may hinder your ability to sell our common stock and may lower the market price of the stock.

•Our Significant Stockholders could exercise significant influence over us, and their interests in us may be different than yours.

•Some provisions of our organizational documents, our Stockholders’ Agreement and Delaware law may have anti-takeover effects that could discourage an acquisition of us by others.

•Our future ability to pay dividends is subject to restrictions.

•An investment in our stock is not an insured deposit and is subject to risk of loss.

•We are an emerging growth company with reduced reporting requirements.

•We may issue additional shares in the future, including additional shares in connection with the proposed merger with HomeStreet.

•Sales by our larger stockholders of substantial amounts of our common stock, much of which is, or will be in the near future, available for public resale, could depress the market price of our common stock.

•Shareholder litigation could prevent or delay the completion of the proposed merger with HomeStreet, which may negatively impact our business or financial results.

Climate Risks

•Natural disasters and weather-related events exacerbated by climate change could have a negative impact on our results of operations and financial condition.

General Risk Factors

•Our historical operating results may not be indicative of our future operating results.

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Part I

Item 1. Business

In this report, unless the context suggests otherwise, references to “we,” “us,” and “our” mean the combined business of FirstSun and its wholly-owned subsidiaries, including Sunflower Bank, Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC.

Overview

FirstSun Capital Bancorp (“FirstSun”), a financial holding company headquartered in Denver, Colorado, provides a full spectrum of deposit, lending, treasury management, wealth management and online banking products and services through its two primary operating wholly-owned subsidiaries—Sunflower Bank, National Association (“Sunflower Bank” or the “Bank”), a national banking association headquartered in Dallas, Texas, that operates as Sunflower Bank, N.A., First National 1870 and Guardian Mortgage and Logia Portfolio Management, LLC, a registered investment advisor organized under the laws of the State of Kansas that provides discretionary investment management to retail and institutional accounts. FirstSun has a third wholly-owned subsidiary—FEIF Capital Partners, LLC, a Delaware limited liability company, which is planned to serve as the investment manager of a prospective income fund.

Sunflower Bank was founded in 1892 and offers a full range of specialized financial services to business customers as well as relationship-focused services to meet personal, business and wealth management financial objectives for its customers, with a branch network in Texas, Kansas, Colorado, New Mexico, Arizona and Washington and mortgage banking capabilities in 43 states. Our product line includes commercial and industrial loans and commercial real estate loans, residential mortgage and other consumer loans, a variety of commercial, consumer and private banking deposit products, including noninterest-bearing accounts, interest-bearing demand products, savings accounts, money market accounts and certificates of deposit and treasury management products and services. Additionally, Sunflower Bank provides treasury management products and services and offers wealth management and trust products including personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts.

As of December 31, 2023, we had consolidated total assets of $7.9 billion, total net loans of $6.2 billion, total deposits of $6.4 billion and total stockholders’ equity of $877.2 million.

Proposed Merger with HomeStreet, Inc. and Common Equity Raise

On January 16, 2024, FirstSun and Seattle based HomeStreet, Inc. (“HomeStreet”), the holding company of HomeStreet Bank (“HomeStreet Bank”) entered into a definitive merger agreement (the “merger agreement”). Under the merger agreement, HomeStreet will merge with and into FirstSun, with FirstSun continuing as the surviving entity (the “merger”). Immediately following the merger, HomeStreet Bank will merge with and into Sunflower Bank, with Sunflower bank continuing as the surviving bank.

Subject to the terms and conditions of the merger agreement, at the effective time of the merger, each outstanding share of HomeStreet common stock will be converted into the right to receive 0.4345 of a share of FirstSun common stock. The combined entity is expected to have total assets of approximately $17 billion and 129 branch locations. The combined entity’s expanded footprint includes FirstSun’s current presence in the Southwest and Midwest together with HomeStreet’s presence in Southern California, Hawaii and the Pacific Northwest.

The parties to the merger expect to complete the merger in the middle of 2024, subject to satisfaction of closing conditions, including receipt of customary required regulatory approvals and the approval of the merger agreement by the HomeStreet shareholders.

Concurrently with entry into the HomeStreet merger agreement, FirstSun entered into investment agreements with investors to raise capital to support the merger. In aggregate, $175 million of common stock will be issued to those investors: (a) $80 million of which was issued immediately following the merger announcement, and (b) the remaining $95 million of which will be issued substantially concurrently with, and subject to, the closing of the merger. The proceeds of this equity raise are expected to support the combined entity and result in capital ratios that exceed regulatory requirements.

For additional information on the proposed merger and equity raise, see Note 27 - Subsequent Events included in our consolidated financial statements included elsewhere in this report.

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History and Growth

We were originally incorporated in the State of Kansas on November 9, 1981, as Handi-Bancshares, Inc., to serve as the holding company of Sunflower Bank (formerly The First National Bank and Trust Company of Salina), before we changed our name to Sunflower Financial, Inc. in 2008. We subsequently changed our name to FirstSun Capital Bancorp and simultaneously reincorporated under the laws of the State of Delaware in June 2017. The subsequent name change and reincorporation were completed pursuant to the merger agreement entered into on July 28, 2016, by and among FirstSun, Strategic Growth Bank Incorporated, which we refer to as “SGB,” Strategic Growth Bancorp Incorporated, which we refer to as “Strategic” and First National Bancorp Incorporated, which we refer to as “FNB,” and together with SGB and Strategic, as the “SGB parties.”

On June 19, 2017, we completed our merger with the SGB parties. Under the merger agreement for the SGB mergers, FirstSun also acquired Guardian Mortgage Company, Inc., which we refer to as “Guardian,” a former subsidiary of Strategic. Guardian was merged with and into Sunflower Bank, and now operates as a division of Sunflower Bank. With the SGB mergers, we acquired two branches in El Paso, Texas and 21 branches in New Mexico and Colorado, as well as residential mortgage loan origination and servicing activities in 13 states. We also relocated our headquarters from Salina, Kansas to Denver, Colorado.

On April 1, 2022, FirstSun completed its merger with Pioneer Bancshares, Inc. (“Pioneer”). Pioneer’s wholly-owned subsidiary, Pioneer Bank, SSB, a Texas state savings bank, was merged with and into the Bank, with the Bank continuing as the surviving bank. Pursuant to the terms of the merger agreement, at the Effective Time, each Pioneer shareholder had the right to receive 1.0443 shares of FirstSun common stock, for each share of Pioneer common stock owned by the shareholder, with cash paid in lieu of fractional shares. Each outstanding share of FirstSun common stock remained outstanding and was unaffected by the merger.

With the acquisition, we acquired 19 branches in Texas. The fair value of assets acquired and liabilities assumed were $1.5 billion and $1.4 billion respectively. Total consideration paid in the Pioneer merger was $240.8 million. Further information is presented in Note 2 - Merger with Pioneer Bancshares, Inc included in our consolidated financial statements included elsewhere in this report.

In November 2023, the Bank relocated its main office from Denver, Colorado, to Dallas, Texas.

Our Market Areas

We currently operate our principal executive office at 1400 16th Street, Suite 250, Denver, Colorado 80202, with Sunflower Bank’s main office at 8117 Preston Road, Suite 220, Dallas, Texas 75225. We also have 69 banking branches principally located in five states, Texas, Kansas, Colorado, New Mexico and Arizona, with one branch located in Washington. In addition, through our mortgage division, Guardian, we originate home mortgages in over 40 states.

($ in thousands)
Principal Markets			Sunflower Bank
State	Total Deposits in Market (1)		# of Branches (1)	Market Share (1)		Deposits in Market (1)
Texas (2)	$	1,515,388,501	22	0.12	%	$	1,754,794
Kansas	$	98,757,771	23	1.59	%	$	1,570,147
Colorado (3)	$	187,293,227	12	0.75	%	$	1,402,073
New Mexico	$	43,818,063	9	2.62	%	$	1,149,729
Arizona	$	208,902,217	4	0.15	%	$	311,763
Washington	$	214,360,148	1	—	%	$	2,841
(1) Based solely on FDIC data, including total deposits, number of branches, market share and deposits in market as of June 30, 2023.
(2) Texas deposits and branch count includes Sunflower Bank’s office located at 3 Sugar Creek Center Blvd Suite 200, Sugar Land, TX 77478.
(3) Colorado deposits and branch count includes Sunflower Bank’s office located at 1400 16th Street, Suite 250, Denver, CO 80202.

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Our Business Strategy

Our goal is to build a premier regional bank serving our key markets, primarily through our organic growth strategy of investing in people, technology and infrastructure to create a top-tier banking platform. Our business is focused on providing specialized commercial and consumer banking services to our clients, with an emphasis on key Southwest growth markets. Upon completion of our proposed merger with HomeStreet, we intend to expand our focus to the additional western markets in which HomeStreet operates, including the Pacific Northwest, Southern California and Hawaii. Our unwavering commitment to serving local communities has led to a high-quality core deposit franchise focused in higher growth metropolitan markets as well as stable, non-metropolitan markets that provides a low cost funding base for our lending opportunities. In addition, our mortgage, wealth management, private banking and treasury management offerings provide revenue diversification and best-in-class fee income generation. Lastly, we believe our experience as an acquirer with a successful track record of integrating and re-positioning acquired companies complements and will further fuel our organic growth strategy.

Leverage our Relationships and Service Capabilities to Drive Organic Growth. From our modest beginning in 1892, our founders understood that our success would be closely tied to that of the communities in which we operate, and that long-term value creation would require an uncompromising commitment to service and the establishment of enduring relationships with our clients. That vision continues to drive us today, as our 1,110 full-time equivalent employee base, as of December 31, 2023, serves our business and consumer customers, including through our network of 69 branches principally located in Texas, Kansas, Colorado, New Mexico and Arizona. Our core competencies include a relationship-centered and multi-line sales approach, a focus on collaboration across a highly skilled and seasoned team of bankers and a dynamic ability to provide our clients with the highest quality services and solutions. This strategy has enabled us to attract commercial and industrial business customers across our traditional and expanded geographic footprint. The objective is to be a trusted advisor to our clients as they build their businesses with our resources, support and advice.

Continue to Grow our Core Deposit Franchise. The strength of our deposit franchise is derived from strong, lasting relationships with our clients and a focus on being an integral part of the communities where we do business. Our deposit footprint has provided, and we believe will continue to provide, principal support for the growth of our loan portfolio. A key element of our funding strategy is a focus on commercial and consumer banking relationships in our markets, including our historically stable, lower growth markets in Kansas and New Mexico. Additionally, we believe our growing treasury management business will continue to benefit our attractive funding base.

Continue our Greater Texas Market Expansion Strategy. The greater Texas market has been a top strategic priority for our organization from an organic and acquisition perspective. We deployed our organic growth strategy in the Dallas, Texas market beginning in late 2019 with a commercial team lift-out that by December 2020 generated significant loans and deposits, making Dallas our fastest growing loan market over this period. In addition to our organic expansion in Dallas, we closed our merger with Pioneer on April 1, 2022, which further increased our Texas loans and deposit market position. The Bank’s headquarters was relocated to Dallas, Texas in November 2023. We anticipate continuing to grow our Texas loan and deposit customer base in the years to come.

Engage in Opportunistic M&A. An important component of the FirstSun story is our expertise and experience in mergers and acquisitions. Our executive team has extensive experience with successful acquisitions and integrations. We plan to continue to evaluate acquisitions that we believe are strategic and could produce attractive returns for our stockholders. These could include fee-based businesses, whole bank or branch acquisitions that would improve or expand our market position into geographies with attractive demographics and business trends, expand our existing branch network in existing or new markets, enhance our earnings power or product and service offerings, or expand our wealth management activities.

Competition

The financial services industry is highly competitive and we compete for loans, deposits and customer relationships in our geographic footprint. We compete with commercial banks, credit unions, savings institutions, mortgage banking firms, consumer finance companies, securities brokerage firms, insurance companies, money market funds and other mutual funds, loan production offices and other providers of financial services, including nontraditional financial technology companies or FinTech companies, as well as super-regional, national and international financial institutions that operate offices in our market areas and elsewhere. Many of our nonbank competitors which are not subject to the same extensive federal regulations that govern bank holding companies and banks, may have certain competitive advantages.

We compete for loans principally through the quality of our client service and our responsiveness to client needs in addition to competing on interest rates and loan fees. Management believes that our long-standing presence in the community and personal one-on-one service philosophy enhances our ability to compete favorably in attracting and

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retaining individual and business customers. We actively solicit deposit-related clients and compete for deposits by offering personal attention, competitive interest rates, and professional services made available through experienced bankers and multiple delivery channels that fit the needs of our markets. In wealth management and trust services, we compete with a variety of custodial banks as well as a diverse group of investment managers.

We believe the financial services industry will likely continue to become more competitive as further technological advances enable more financial institutions to provide expanded financial services without having a physical presence in our markets. We have focused on providing value-added products and services to our clients, which we are able to do because of our close relationships with them. We believe our ability to provide flexible, sophisticated products and a customer-centric process to our customers and clients allows us to stay competitive in the financial services environment.

Our Banking Services

Our operations are managed along two reportable operating segments consisting of Banking and Mortgage Operations.

Our Banking segment has been, and is, the cornerstone of our operations and our primary segment, through which we provide a full range of deposit and lending products. We are dedicated to serving the banking needs of businesses, professionals and individuals in our markets through our approach of personalized, relationship-based service. We strive to become trusted advisers to our clients and achieve long-term relationships. We deliver a wide range of banking products and services tailored to meet the needs of our clients across our geographic footprint.

Our Mortgage Operations segment offers full-service residential mortgage products, including conforming residential loans and services through Guardian, our mortgage division. Additionally, our Mortgage Operations segment includes the servicing of residential mortgage loans and the packaging and securitization of loans to governmental agencies.

For further information, see “Segments” in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 23 - Segment Information in the notes to consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” elsewhere in this report.

Lending Activities

We offer a range of lending services, including commercial and industrial, commercial real estate, residential real estate, public finance, consumer and other loans. Our customers are generally commercial businesses, professional services and retail consumers within our market areas. For further information, see “Loans” in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 4 - Loans in the notes to consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” elsewhere in this report.

Commercial and Industrial Loans

Our commercial and industrial loans are typically made to small- and medium-sized manufacturing, service, wholesale and retail businesses for working capital and operation needs and business expansions, including the purchase of capital equipment. Commercial and industrial loans include our specialty lending verticals such as structured finance products, asset based lending and family office. Commercial and industrial also includes our healthcare, SBA and other small business lending products. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. Because we are a bank with long standing ties to the businesses and professionals operating in our geographic footprint, we are able to tailor our commercial and industrial loan programs to meet the needs of our clients.

Growing our commercial and industrial loan portfolio is an important area of emphasis for us and we intend to continue to grow this portfolio.

Commercial and industrial loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and personal guarantees. As a result, the repayment risk is subject to the ongoing business operations of the borrower. Any interruption or discontinuance of operating cash flows from the business, which may be influenced by events not under the control of the borrower such as economic events and changes in governmental regulations, could materially affect the ability of the borrower to repay the loan. Further, commercial and industrial loans may be secured by the collateral described above, which if the business is unsuccessful, typically have values insufficient to satisfy the loan without a loss.

SBA loans. We participate in the SBA 7(a) program in order to meet the needs of our small business community as well as customers nationwide. As an approved participant in the SBA Preferred Lender’s Program, we enable our clients to obtain

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SBA loans without being subject to the potentially lengthy SBA approval process necessary for lenders that are not SBA Preferred Lenders. Presently, pursuant to the Consolidated Appropriations Act, 2021, the SBA guaranteed 90% of the principal amount of each qualifying SBA loan originated under the SBA’s 7(a) loan program. After this date, the SBA will guarantee 75% to 85% of the principal amount of qualifying loans originated under the 7(a) loan program. The guarantee is conditional and covers a portion of the risk of payment default by the borrower, but not the risk of improper closing and servicing by the lender. As such, prudent underwriting and closing processes are essential to effective utilization of the 7(a) program.

Commercial and Residential Real Estate Loans

Real estate loans are subject to the same general risks as other loans and are particularly sensitive to fluctuations in the value of real estate. Fluctuations in the value of real estate, as well as other factors arising after a loan has been made, could negatively affect a borrower’s cash flow, creditworthiness and ability to repay the loan. When we make new real estate loans, we obtain a security interest in real estate whenever possible, in addition to any other available collateral, to increase the likelihood of the ultimate repayment of the loan. To control concentration risk, we monitor collateral type and industry concentrations within this portfolio.

Our real estate loans generally fall into one of two broad categories: commercial real estate loans or residential real estate loans.

•Commercial Real Estate Loans. Our commercial real estate (“CRE”) loans consist of both owner-occupied and non-owner occupied commercial real estate loans, construction and land loans, as well as multifamily loans. The real estate securing our existing commercial real estate loans includes a wide variety of property types, such as offices, warehouses, production facilities, health care facilities, hotels, mixed-use residential/commercial, retail centers, restaurants, assisted living facilities and self-storage facilities. Non-owner occupied CRE loans were 85.2% of the Company’s risk-based capital, or 13.0% of total loans as of December 31, 2023. Non-owner occupied CRE loans associated with office space were $109.3 million, or 1.7% of total loans as of December 31, 2023. Owner occupied CRE loans associated with office space were $149.4 million, or 2.4% of total loans as of December 31, 2023. We are primarily focused on growing the owner-occupied portion of our commercial real estate loan portfolio.

Commercial real estate loans are often larger and involve greater risks than other types of lending. Adverse developments affecting commercial real estate values in our market areas could increase the credit risk associated with these loans, impair the value of property pledged as collateral for these loans, and affect our ability to sell the collateral upon foreclosure without a loss. Furthermore, adverse developments affecting the business operations of the borrowers of our owner-occupied commercial real estate loans could significantly increase the credit risk associated with these loans. Due to the larger average size of commercial real estate loans, we face the risk that losses incurred on a small number of commercial real estate loans could have a material adverse impact on our financial condition and results of operations.

•Residential Real Estate Loans. Our residential real estate loans consist of 1-4 family loans, home equity loans and multi-family loans. The residential real estate loans described below exclude mortgage loans that are held-for-sale.

Like our commercial real estate loans, our residential real estate loans are secured by real estate, the value of which may fluctuate significantly over a short period of time as a result of market conditions in the area in which the real estate is located. Adverse developments affecting real estate values in our market areas could therefore increase the credit risk associated with these loans, impair the value of property pledged as collateral on loans and affect our ability to sell the collateral upon foreclosure without a loss or additional losses. We primarily make our residential real estate loans to qualified individuals and investors in accordance with our real estate lending policies, which detail maximum loan to value ratios and maturities. The repayment of these loans are also affected by a borrower’s adverse personal circumstances.

Public Finance Loans

We offer public finance loans consisting primarily of loans to our charter school and municipal based customers.

Consumer Loans

We offer a variety of consumer loans, such as installment loans to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans. Our consumer loans typically are part of an overall client

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relationship designed to support the individual consumer borrowing needs of our commercial and industrial loan and deposit clients, and are well diversified across our markets. Consumer loans typically have shorter terms, lower balances, higher yields and higher risks of default than residential real estate mortgage loans. Consumer loan collections are dependent on the borrower’s continuing financial stability and are therefore more likely to be affected by adverse personal circumstances, such as the loss of employment, unexpected medical costs or divorce. These loans are often secured by the underlying personal property, which typically has insufficient value to satisfy the loan without a loss due to damage to the collateral and general depreciation.

Mortgage Banking Activities

We offer full-service residential mortgage products and services through Guardian, our mortgage division, with offices strategically located throughout our bank branches, as well as in other locations both in and outside our community banking footprint.

We intend to continue to take advantage of opportunities to profitably grow our mortgage business as they present themselves, including by continuing to strategically expand our retail-based mortgage business outside of our community banking geographic footprint, improving the client experience through an enhanced fulfillment process, attracting experienced loan officers and improving profitability through centralized efficiencies. We maintain a high-degree of scalability to control costs in the event of a downturn in our mortgage business. Our mortgage loan office leases are primarily shorter-term in nature and the majority of our mortgage-related compensation is in the form of variable compensation.

We look to originate quality mortgage loans with a focus on purchase money mortgages. In accordance with our lending policy, each loan undergoes a detailed underwriting process which incorporates uniform underwriting standards and oversight that satisfies secondary market standards as outlined by our investors to the size and complexity of the lending relationship. Mortgage loans are subject to the same uniform lending policies referenced below and consist primarily of loans with relatively stronger borrower credit scores, with an average FICO score of 736 in 2023.

The residential mortgage industry is highly competitive and we compete with other community banks, regional banks, national banks, credit unions, mortgage companies, financial service companies and online mortgage companies. Due to the highly competitive nature of the residential mortgage industry, we expect to face industry-wide competitive pressures related to changing market conditions that will reduce our pricing margins and mortgage revenues generally, especially in a rising rate environment.

Our mortgage banking business is also directly impacted by the interest rate environment, increased regulations, consumer demand, driven in large part by general economic conditions and the real estate markets, and investor demand for mortgage securities. Mortgage production, especially refinancing activity, declines in rising interest rate environments. In 2023, we experienced a continuing slowdown in our mortgage origination volume due to rising interest rates. We expect to see lower origination volumes in at least the first half of 2024 within the industry as a whole as interest rates are expected to remain relatively elevated.

Sale of residential mortgages. We sell a large majority of the residential mortgage loans we originate through our mortgage banking business to Fannie Mae, Freddie Mac or, to a lesser extent, an array of private national mortgage investors. As part of our overall asset/liability management objectives, we may also retain certain residential loans that we originate and, in such an instance, would bear the risk of default with respect to these loans. To reduce the interest rate risk associated with commitments made to borrowers for mortgage loans that have not yet been closed and that we intend to sell in the secondary markets, we routinely enter into commitments (considered to be derivatives) to hedge the interest rate risk. Derivative instruments are recognized at fair value in our consolidated balance sheets as either assets or liabilities. We monitor our interest rate risk position daily to maintain appropriate coverage of our loan commitments made to borrowers.

Loan servicing. We service residential mortgage loans for investors under contracts. We receive a fee for performing mortgage servicing activities on mortgage loans that are not owned by us and are not included on our consolidated balance sheet. This process involves collecting monthly mortgage payments on behalf of investors, reporting information to those investors on a timely basis and maintaining custodial escrow accounts for the payment of principal and interest to investors, and property tax and insurance premiums on behalf of borrowers.

As compensation for our loan servicing activities, we receive a base servicing fee of approximately 0.25% per year of the loan balances serviced, plus any late charges collected from the delinquent borrowers and other fees incidental to the services provided. In the event of a default by the borrower, we receive no servicing fees until the default is cured. In times when interest rates are rising or at high levels, servicing mortgage loans can represent a steady source of noninterest

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income and can, at times, offset decreases in mortgage banking gains. Conversely, in times when interest rates are falling or at very low levels, servicing mortgage loans can become comparatively less profitable due to the rapid payoff of loans and the negative impact due to the change in fair value of the servicing asset. We account for our residential mortgage loan servicing rights at fair value. The amount of loan servicing rights initially recorded is based on the fair value of the loan servicing rights determined on the date when the underlying loan is sold. Our determination of fair value and the amount we record is based on a valuation model using discounted cash-flow analysis and available market pricing. Third-party valuations of the loan servicing rights portfolio are obtained on a regular basis and are used to determine the fair value of the servicing rights at the end of the reporting period. Estimates of fair value reflect, among other things, the following variables:

•anticipated prepayment speeds;

•product type (i.e., conventional, government, balloon);

•fixed or adjustable rate of interest;

•interest rate;

•servicing costs per loan;

•discounted yield rate;

•estimate of ancillary income; and

•geographic location of the loan.

We monitor the level of our investment in mortgage servicing rights in relation to our other mortgage banking activities in order to limit our exposure to significant fluctuations in loan servicing income. We use a hedging program to seek to mitigate the volatility from changes in the fair value of our mortgage servicing rights. Nonetheless, we remain exposed to significant potential volatility in the value of our mortgage servicing rights. Accordingly, in the future, we may sell loan servicing rights depending on a variety of factors, including capital sufficiency, the size of the mortgage servicing rights portfolio relative to total assets and current market conditions.

Deposit Products

We obtain most of our deposits from individuals, small and medium-sized businesses and municipalities in our markets. We solicit deposits through our relationship-driven team of dedicated and accessible bankers and through community-focused marketing. We emphasize obtaining deposit relationships at loan origination. We provide a high level of customer service to our depositors. We have invested in personnel, business and compliance processes and technology that enable us to acquire, and efficiently and effectively serve, a wide array of business deposit accounts, while continuing to provide the level of customer service for which we are known. We currently offer a comprehensive range of business deposit products and services to assist with the banking needs of our business customers, including a variety of remote deposit and cash management products along with commercial transaction accounts.

Wealth Management

We offer our clients a comprehensive suite of services that include private banking, wealth planning, investment management, trust and retirement plan services through our team of wealth advisors, trust specialists and investment professionals. Our holistic and personalized approach delivers a customized asset management solution focused on the client’s personal, family and multi-generational needs. Our asset management solutions are focused on seeking to generate the highest net after tax returns for our clients relative to their appropriate risk level.

Credit Administration and Loan Review

Certain credit risks are inherent in making loans. These include repayment risks, risks resulting from uncertainties in the future value of collateral, risks resulting from changes in economic and industry conditions and risks inherent in dealing with individual borrowers. We seek to control credit risk both through disciplined underwriting of each transaction, as well as active credit management processes and procedures to manage risk and minimize loss throughout the life of a loan. We seek to maintain a broadly diversified loan portfolio in terms of type of customer, type of loan product, geographic area and industries in which our business customers are engaged. We have developed tailored underwriting criteria and credit management processes for each of the various loan product types we offer our customers.

Underwriting. In evaluating each potential loan relationship, we adhere to a disciplined underwriting evaluation process that includes the following:

•understanding the customer’s financial condition and ability to repay the loan;

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•verifying that the primary and secondary sources of repayment are adequate in relation to the amount and structure of the loan;

•observing appropriate loan-to-value guidelines for collateral secured loans;

•maintaining our targeted levels of diversification for the loan portfolio as to type of borrower; and

•ensuring that each loan is properly documented with perfected liens on collateral.

Loan Approval Authority. Our lending activities follow written, non-discriminatory, underwriting standards and loan origination procedures established by our board of directors and management. We have established several levels of lending authority that have been delegated by the board of directors to our Chief Executive Officer, Chief Credit Officer and other personnel in accordance with our loan policy. Authority limits are based on the total exposure of the borrower and are conditioned on the loan conforming to the policies contained in the loan policy. Any loan policy exceptions are fully disclosed to the approving authority.

Ongoing Credit Risk Management. In addition to the tailored underwriting process described above, we perform ongoing risk monitoring and review processes for credit exposures. An internal loan review team that utilizes a mix of internal and external resources perform regular loan reviews and confirm loan classifications. We strive to identify potential problem loans early in an effort to aggressively seek resolution of these situations before they create a loss. We record any necessary charge-offs promptly and maintain adequate allowance levels for probable credit losses incurred in the loan portfolio.

In general, whenever a particular loan or overall borrower relationship is downgraded from a pass grade to a watch or substandard grade based on one or more standard loan grading factors, our relationship manager (who is typically the loan officer) and credit team members engage in active evaluation of the asset to determine the appropriate resolution strategy. Management regularly reviews the status of the watch list and classified assets portfolio as well as the larger credits in the portfolio.

Concentrations of Credit Risk. Diversification of risk is a key factor in prudent asset management. Our loan portfolio is balanced between our metropolitan and community markets and by type, thereby diversifying our loan concentration. Our granular loan portfolio reflects a balanced mix of consumer and commercial clients across these markets that we think provides a natural hedge to industry and market cycles. In addition, risk from concentration is actively managed by management and reviewed by our board of directors, and exposures relating to borrower, industry and commercial real estate categories are tracked and measured against established policy limits and guidelines.

Lending Limits. Our lending activities are subject to a variety of lending limits imposed by federal law. In general, Sunflower Bank is subject to a legal lending limit on loans to a single borrower of 15% of its capital and unimpaired surplus, or 25% if the loan is fully secured. The dollar amounts of the Bank’s lending limit increases or decreases as its capital increases or decreases. We are able to sell participations in larger loans to other financial institutions, which allows us to better manage the risk and exposure involved with larger loans and to meet the lending needs of our customers requiring extensions of credit in excess of regulatory limits.

Sunflower Bank’s legal lending limit as of December 31, 2023, on loans to a single borrower was $137.7 million (15%) and $229.5 million (25%, for fully secured loans).

Human Capital Resources

We are committed to provide, develop and retain a high performing and diverse workforce that fosters a healthy, safe and productive work environment for our employees to maximize individual and organizational potential and position us as an employer of choice.

Employee Profile. As of December 31, 2023, we had 1,128 total employees and 1,110 full-time equivalent employees, primarily located in Texas, Kansas, Colorado, New Mexico and Arizona. Our employees are not covered by a collective bargaining agreement. We consider our relationship with our employees to be good and have not experienced interruptions of operations due to labor disagreements.

Compensation and Benefits. We believe our competitive compensation and benefits package, along with our positive and inclusive work environment, bring out the best in our employees. We have designed our compensation program around the philosophy of mutual respect and the continued success of our organization. We know that our most valuable asset is our people. We offer competitive benefits to our employees and their families. These programs include a 401(k) plan with an employer matching contribution, healthcare and insurance benefits, flexible spending accounts, paid time off, tuition reimbursement, volunteer and parenting leave and an employee assistance program.

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We annually review benefit programs and compensation programs to seek to ensure that we remain competitive in our markets to meet the needs of our employees and their families.

Learning and Development. Our goal is to better equip our managers and leaders with the most effective resources and tools to succeed in their roles. We want to create strong leaders with a platform that allows open communication, provides consistency across regions as well as fosters growth and development. Our goal is to establish strong leaders who will be able to effectively engage their employees to meet and reinforce the mission and goals of Sunflower Bank. We have internal programs for emerging managers and leaders that are designed to train and enhance the skills of our employees to promote career advancement from within our company. In addition, we facilitate the educational and professional development of our employees through financial support to attend conferences and obtain degrees, licenses and certifications while employed by us.

Employee Engagement Surveys. We are committed to seeking to ensure that all of our employees feel a sense of belonging in the workplace and that they are given an opportunity to share their opinions and be heard by management and our leaders. We believe that engaged employees are the foundation of a successful company. Our employee engagement surveys serve as a learning tool and provide us with the information to allow us to identify areas of strength and opportunities for improvement to seek to ensure continued satisfaction and retention of our employees.

In addition to our employee engagement surveys, we have additional tools that employees can provide feedback to co-workers, departments, and other areas of Sunflower Bank besides management or leadership through our Intranet and HRIS. These tools provide positive feedback and success stories for all employees to share.

Implications of Being an Emerging Growth Company

FirstSun qualifies as an “emerging growth company” under the Jumpstart Our Business Startups Act of 2012, or the “JOBS Act.” An emerging growth company may take advantage of reduced reporting requirements and is relieved of certain other significant requirements that are otherwise generally applicable to public companies. Among other things, as an emerging growth company:

•FirstSun is exempt from the requirement to obtain an attestation from its auditors on management’s assessment of FirstSun’s internal control over financial reporting under the Sarbanes-Oxley Act of 2002, or the “Sarbanes-Oxley Act”;

•FirstSun will be permitted an extended transition period for complying with new or revised accounting standards affecting public companies and such new or revised accounting standards will not be applicable to FirstSun until such time as they are applicable to private companies;

•FirstSun is permitted to provide reduced disclosure regarding its executive compensation arrangements pursuant to the rules applicable to smaller reporting companies, which means FirstSun does not have to include a compensation discussion and analysis and certain other disclosures regarding its executive compensation arrangements; and

•FirstSun is not required to hold non-binding stockholder advisory votes on executive compensation or golden parachute arrangements.

FirstSun has taken advantage of certain reduced reporting obligations in this Annual Report on Form 10-K. Accordingly, the information contained herein may be different than the information you receive from other public companies in which you hold securities.

Supervision and Regulation

General

FirstSun and Sunflower Bank are subject to extensive banking regulations that impose restrictions on and provide for general regulatory oversight of their operations. These laws generally are intended to protect consumers and depositors, rather than FirstSun stockholders.

The following discussion is not intended to be a complete list of all the activities regulated by the banking laws or of the impact of such laws and regulations on our operations. It is intended only to briefly summarize some material provisions. The following summary is qualified by reference to the statutory and regulatory provisions discussed. These statutes and regulations are subject to change, and additional statutes, regulations, and corresponding guidance may be adopted. We are unable to predict these future changes or the effects, if any, that these changes could have on our business, revenues, and results of operations.

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Legislative and Regulatory Developments

Although the 2008 financial crisis has now passed, the legislative and regulatory response, including the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), will continue to have an impact on our operations.

The Dodd-Frank Wall Street Reform and Consumer Protection Act

The Dodd-Frank Act was signed into law in July 2010 and impacts financial institutions in numerous ways, including:

•The creation of a Financial Stability Oversight Council responsible for monitoring and managing systemic risk;

•Granting additional authority to the Federal Reserve to regulate certain types of nonbank financial companies;

•Granting new authority to the FDIC as liquidator and receiver;

•Changing the manner in which deposit insurance assessments are made;

•Requiring regulators to modify capital standards;

•Establishing the Consumer Financial Protection Bureau (the “CFPB”);

•Capping interchange fees that certain banks charge merchants for debit card transactions;

•Imposing more stringent requirements on mortgage lenders; and

•Limiting banks’ proprietary trading activities.

There are many provisions in the Dodd-Frank Act mandating regulators to adopt new regulations and conduct studies upon which future regulation may be based. While some have been issued, many remain to be issued. Governmental intervention and new regulations could materially and adversely affect our business, financial condition and results of operations.

Bank Holding Company Regulation

We own 100% of the outstanding capital stock of Sunflower Bank, and, therefore, we are considered to be a bank holding company registered under the federal Bank Holding Company Act of 1956 (the “BHC Act”). As a result, we are primarily subject to the supervision, examination and reporting requirements of the Federal Reserve under the BHC Act and its regulations promulgated thereunder.

Permitted Activities

We are a bank holding company, and have elected to be a financial holding company, which permits us to engage in expanded financial activities as a bank holding company. Under the BHC Act, a bank holding company is generally permitted to engage in, or acquire direct or indirect control of more than 5% of the voting shares of any company engaged in, the following activities:

•banking or managing or controlling banks;

•furnishing services to or performing services for our subsidiaries; and

•any activity that the Federal Reserve determines to be so closely related to banking as to be a proper incident to the business of banking.

Activities that the Federal Reserve has found to be so closely related to banking as to be a proper incident to the business of banking include:

•factoring accounts receivable;

•making, acquiring, brokering or servicing loans and usual related activities;

•leasing personal or real property;

•operating a non-bank depository institution, such as a savings association;

•trust company functions;

•financial and investment advisory activities;

•conducting discount securities brokerage activities;

•underwriting and dealing in government obligations and money market instruments;

•providing specified management consulting and counseling activities;

•performing selected data processing services and support services;

•acting as agent or broker in selling credit life insurance and other types of insurance in connection with credit transactions; and

•performing selected insurance underwriting activities.

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The Federal Reserve has the authority to order a bank holding company or its subsidiaries to terminate any of these activities or to terminate its ownership or control of any subsidiary when it has reasonable cause to believe that the bank holding company’s continued ownership, activity or control constitutes a serious risk to the financial safety, soundness or stability of it or any of its bank subsidiaries.

Financial Holding Company

Provisions of the Gramm-Leach-Bliley Act have expanded the permissible activities of a bank holding company that qualifies as a financial holding company. A bank holding company can elect to be treated as a “financial holding company,” which would allow it to engage in a broader array of activities. In summary, a financial holding company can engage in activities that are financial in nature or incidental or complementary to financial activities, including insurance underwriting, sales and brokerage activities, providing financial and investment advisory services, underwriting services and limited merchant banking activities.

FirstSun is currently a financial holding company. In order to remain a financial holding company, FirstSun must continue to be considered well managed and well capitalized by the Federal Reserve, and the Bank must continue to be considered well managed and well capitalized by the Office of the Comptroller of the Currency (the “OCC”) and have at least a “satisfactory” rating under the Community Reinvestment Act.

Expansion Activities

The BHC Act requires a bank holding company to obtain the prior approval of the Federal Reserve before merging with another bank holding company, acquiring substantially all the assets of any bank or bank holding company, or acquiring directly or indirectly any ownership or control of more than 5% of the voting shares of any bank. In addition, the prior approval of the OCC is required for a national bank to merge with another bank or purchase the assets or assume the deposits of another bank. In determining whether to approve a proposed bank acquisition, federal bank regulators will consider, among other factors, the effect of the acquisition on competition, the public benefits expected to be received from the acquisition, the projected capital ratios and levels on a post-acquisition basis, and the acquiring institution’s record of addressing the credit needs of the communities it serves, including the needs of low and moderate income neighborhoods, consistent with the safe and sound operation of the bank, under the Community Reinvestment Act (discussed below).

On July 9, 2021, President Biden issued an Executive Order on Promoting Competition in the American Economy. Among other initiatives, the Executive Order encouraged the federal banking agencies to review their current merger oversight practices under the BHC Act and the Bank Merger Act and adopt a plan for revitalization of such practices. There are many steps that must be taken by the agencies before any formal changes to the framework for evaluating bank mergers can be finalized and the prospects for such action are uncertain at this time; however, the adoption of more expansive or prescriptive standards may have an impact on our acquisition activities. On December 18, 2023, the U.S. Department of Justice (“DOJ”) released its updated merger guidelines, which modified certain criteria, including a reduction of market concentration calculations by which the DOJ would presume a substantial lessening of competition or the creation of a monopoly. Additionally, the updated merger guidelines focus on a number of other factors related to competitiveness and the impact of the merger upon various constituencies, including customers and workers. While bank regulators, and not the DOJ, typically have addressed anti-trust concerns in connection with bank mergers with a focus on market concentration, the DOJ guidelines and public comments from DOJ officials suggest that the DOJ could weigh in on more bank mergers in the future. On January 29, 2024, the Office of the Comptroller of the Currency proposed amendments to its business combination rules and added a proposed policy statement regarding its evaluation of factors under the Bank Merger Act. While the amendments and policy statement are not final, it is expected that the proposed policy statement would set forth standards by which certain mergers would raise regulatory concerns as well as procedures to extend and augment public comments on proposed mergers. These amendments and the policy statement could delay merger and other business combination approvals in the future.

Change in Control

Two statutes, the BHC Act and the Change in Bank Control Act, together with regulations promulgated under them, require some form of regulatory review before any company may acquire “control” of a bank or a bank holding company. Under the BHC Act, control is deemed to exist if a company acquires 25% or more of any class of voting securities of a bank holding company; controls the election of a majority of the members of the board of directors; or exercises a controlling influence over the management or policies of a bank or bank holding company. On January 30, 2020, the Federal Reserve issued a final rule (which became effective September 30, 2020) that clarified and codified the Federal Reserve’s standards for determining whether one company has control over another. The final rule established four categories of tiered presumptions of noncontrol that are based on the percentage of voting shares held by the investor (less

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than 5%, 5-9.9%, 10-14.9% and 15-24.9%) and the presence of other indicia of control. As the percentage of ownership increases, fewer indicia of control are permitted without falling outside of the presumption of noncontrol. These indicia of control include nonvoting equity ownership, director representation, management interlocks, business relationship and restrictive contractual covenants. Under the final rule, investors can hold up to 24.9% of the voting securities and up to 33% of the total equity of a company without necessarily having a controlling influence.

Under the Change in Bank Control Act, a person or company is generally required to file a notice with the Federal Reserve if it will, as a result of the transaction, own or control 10% or more of any class of voting securities or direct the management or policies of a bank or bank holding company and either if the bank or bank holding company has registered securities or if the acquirer would be the largest holder of that class of voting securities after the acquisition. Transactions subject to the BHC Act are exempt from Change in Bank Control Act requirements.

Source of Strength

There are a number of obligations and restrictions imposed by law and regulatory policy on bank holding companies with regard to their depository institution subsidiaries that are designed to minimize potential loss to depositors and to the FDIC insurance funds in the event that the depository institution becomes in danger of defaulting under its obligations to repay deposits. Under a policy of the Federal Reserve and the Dodd-Frank Act, a bank holding company is required to serve as a source of financial strength to its subsidiary depository institutions and to commit resources to support such institutions in circumstances where it might not do so absent such policy. Under the Federal Deposit Insurance Corporation Improvement Act of 1991, to avoid receivership of its insured depository institution subsidiary, a bank holding company is required to guarantee the compliance of any insured depository institution subsidiary that may become “undercapitalized” within the terms of any capital restoration plan filed by such subsidiary with its appropriate federal banking agency up to the lesser of (a) an amount equal to 5% of the institution’s total assets at the time the institution became undercapitalized, or (b) the amount which is necessary (or would have been necessary) to bring the institution into compliance with all applicable capital standards as of the time the institution fails to comply with such capital restoration plan.

The Federal Reserve also has the authority under the BHC Act to require a bank holding company to terminate any activity or relinquish control of a nonbank subsidiary (other than a nonbank subsidiary of a bank) upon the Federal Reserve’s determination that such activity or control constitutes a serious risk to the financial soundness or stability of any subsidiary depository institution of the bank holding company. Further, federal law grants federal bank regulatory authorities’ additional discretion to require a bank holding company to divest itself of any bank or nonbank subsidiary if the agency determines that divestiture may aid the depository institution’s financial condition.

The Federal Deposit Insurance Act also provides that amounts received from the liquidation or other resolution of any insured depository institution by any receiver must be distributed (after payment of secured claims) to pay the deposit liabilities of the institution prior to payment of any other general or unsecured senior liability, subordinated liability, general creditor or stockholder.

Any capital loans by a bank holding company to any of its subsidiary banks are subordinate in right of payment to deposits and to certain other indebtedness of such subsidiary bank. In the event of a bank holding company’s bankruptcy, any commitment by the bank holding company to a federal bank regulatory agency to maintain the capital of a subsidiary bank will be assumed by the bankruptcy trustee and entitled to a priority of payment.

Capital Requirements

The Federal Reserve imposes certain capital requirements on bank holding companies under the BHC Act, including a minimum leverage ratio and a minimum ratio of “qualifying” capital to risk-weighted assets. These requirements are essentially the same as those that apply to such holding company’s bank subsidiary and are described below under “Bank Regulation—Capital and Related Requirements.”

Dividend Payments

Our ability to pay dividends to our stockholders may be affected by both general corporate law considerations and policies of the Federal Reserve applicable to bank holding companies. FirstSun is a Delaware corporation and subject to the limitations of the Delaware General Corporation Law, which we refer to as the “DGCL.” The DGCL allows FirstSun to pay dividends only out of its surplus (as defined and computed in accordance with the provisions of the DGCL) or if FirstSun has no such surplus, out of its net profits for the fiscal year in which the dividend is declared and/or the preceding fiscal year.

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In addition, as a general matter, the Federal Reserve has indicated that the board of directors of a bank holding company should eliminate, defer or significantly reduce dividends to stockholders if: (a) the company’s net income available to stockholders for the past four quarters, net of dividends previously paid during that period, is not sufficient to fully fund the dividends; (b) the prospective rate of earnings retention is inconsistent with the company’s capital needs and overall current and prospective financial condition; or (c) the company will not meet, or is in danger of not meeting, its minimum regulatory capital adequacy ratios. Under Federal Reserve policy, bank holding companies are expected to inform the Federal Reserve reasonably in advance of declaring or paying a dividend that exceeds earnings for the period (e.g., quarter) for which the dividend is being paid or that could result in a material adverse change to the organization’s capital structure. The Federal Reserve also possesses enforcement powers over bank holding companies and their non-bank subsidiaries to prevent or remedy actions that represent unsafe or unsound practices or violations of applicable statutes and regulations. Among these powers is the ability to proscribe the payment of dividends by banks and bank holding companies. In addition, under the Basel III rules, financial institutions that seek to pay dividends must maintain the 2.5% capital conservation buffer. See “Bank Regulation—Capital and Related Requirements” below.

Stock Buybacks and Other Capital Redemptions

Under Federal Reserve policies and regulations, bank holding companies must seek regulatory approval prior to any redemption that would reduce the bank holding company’s consolidated net worth by 10% or more, prior to the redemption of most instruments included in Tier 1 or Tier 2 capital with features permitting redemption at the option of the issuing bank holding company, or prior to the redemption of equity or other capital instruments included in Tier 1 or Tier 2 capital prior to stated maturity, if such redemption could have a material effect on the level or composition of the organization’s capital base. Bank holding companies are also expected to both inform the Federal Reserve reasonably in advance of a redemption or repurchase of common stock if such buyback results in a net reduction of the company’s outstanding amount of common stock below the amount outstanding at the beginning of the fiscal quarter, and to consult with the Federal Reserve generally prior to engaging in stock buybacks.

Sarbanes-Oxley Act of 2002

The Sarbanes-Oxley Act of 2002, which we refer to as “Sarbanes-Oxley,” implemented a broad range of corporate governance, accounting and reporting measures for companies, that have securities registered under the Exchange Act. FirstSun became subject to Sarbanes-Oxley on August 10, 2021. Sarbanes-Oxley and the various regulations promulgated under Sarbanes-Oxley, established, among other things: (a) requirements for audit committees, including independence, expertise, and responsibilities; (b) additional responsibilities relating to financial statements for the Chief Executive Officer and Chief Financial Officer of reporting companies; (c) standards for auditors and regulation of audits, including independence provisions that restrict non-audit services that accountants may provide to their audit clients; (d) increased disclosure and reporting obligations for reporting companies and their directors and executive officers, including accelerated reporting of stock transactions and a prohibition on trading during blackout periods; and (e) a range of civil and criminal penalties for fraud and other violations of the securities laws.

Bank Regulation

Sunflower Bank is a national banking association with its main office in Dallas, Texas, which is subject to regulation and supervision primarily by the OCC and secondarily by the Federal Reserve, the FDIC, and the CFPB. We are subject to requirements and restrictions under federal law, including requirements to maintain reserves against deposits, restrictions on the types and amounts of loans that may be granted and the interest that may be charged thereon and limitations on the types of investments that may be made and the types of services that may be offered. Various consumer laws and regulations also affect the operations of Sunflower Bank. The OCC regularly examines Sunflower Bank’s operations and has the authority to approve or disapprove mergers, the establishment of branches and similar corporate actions. The OCC also has the power to prevent the continuance or development of unsafe or unsound banking practices or other violations of law. Sunflower Bank is also subject to numerous state and federal statutes and regulations that affect its business, activities, and operations.

Branching

National banks are required by the National Bank Act to adhere to branching laws applicable to state banks in the states in which they are located. Under Texas law, the Riegle-Neal Act and the Dodd-Frank Act, and with the prior approval of the OCC, Sunflower Bank may open branch offices within or outside of Texas, where our Bank headquarters was relocated to in 2023, provided that a state bank chartered by the state in which the branch is to be located would also be permitted to establish a branch in Texas. In addition, with prior regulatory approval, Sunflower Bank may acquire branches of existing banks located in Texas or other states.

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Capital and Related Requirements

We are subject to comprehensive capital adequacy requirements intended to protect against losses that we may incur. Regulatory capital rules, which we refer to as Basel III, impose minimum capital requirements for bank holding companies and banks. The Basel III rules apply to all state and national banks and savings and loan associations regardless of size and bank holding companies and savings and loan holding companies other than “small bank holding companies,” generally holding companies with consolidated assets of less than $3 billion. More stringent requirements are imposed on “advanced approaches” banking organizations—those organizations with $250 billion or more in total consolidated assets, $10 billion or more in total foreign exposures, or that have opted into the Basel II capital regime.

The rules include certain higher risk-based capital and leverage requirements than those previously in place. Specifically, we are required to maintain the following minimum capital requirements:

•a common equity Tier 1 (“CET1”) risk-based capital ratio of 4.5%;

•a Tier 1 risk-based capital ratio of 6%;

•a total risk-based capital ratio of 8%; and

•a leverage ratio of 4%.

Under Basel III, Tier 1 capital includes two components: CET1 capital and additional Tier 1 capital. The highest form of capital, CET1 capital, consists solely of common stock (plus related surplus), retained earnings, accumulated other comprehensive income, otherwise referred to as AOCI, and limited amounts of minority interests that are in the form of common stock. Additional Tier 1 capital is primarily comprised of noncumulative perpetual preferred stock, Tier 1 minority interests and grandfathered trust preferred securities. Tier 2 capital generally includes the allowance for credit losses up to 1.25% of risk-weighted assets, qualifying preferred stock, subordinated debt and qualifying tier 2 minority interests, less any deductions in Tier 2 instruments of an unconsolidated financial institution. AOCI is presumptively included in CET1 capital and often would operate to reduce this category of capital. When implemented, Basel III provided a one-time opportunity for covered banking organizations to opt out of much of this treatment of AOCI. We made this opt-out election.

In addition, in order to avoid restrictions on capital distributions or discretionary bonus payments to executives, under Basel III, a banking organization must maintain a “capital conservation buffer” on top of its minimum risk-based capital requirements. This buffer must consist solely of Tier 1 Common Equity, but the buffer applies to all three risk-based measurements (CET1, Tier 1 capital and total capital). The following effective minimum capital plus capital conservation buffer ratios are applicable: (a) a CET1 capital ratio of 7.0%, (b) a Tier 1 risk-based capital ratio of 8.5%, and (c) a total risk-based capital ratio of 10.5%.

The capital rules require that goodwill and other intangible assets (other than mortgage servicing assets), net of associated deferred tax liabilities (“DTLs”), be deducted from CET1 capital. Additionally, deferred tax assets (“DTAs”) that arise from net operating loss and tax credit carryforwards, net of associated DTLs and valuation allowances, are fully deducted from CET1 capital. However, DTAs arising from temporary differences that could not be realized through net operating loss carrybacks, along with mortgage servicing assets and “significant” (defined as greater than 10% of the issued and outstanding common stock of the unconsolidated financial institution) investments in the common stock of unconsolidated “financial institutions” are partially includible in CET1 capital, subject to deductions defined in the rules.

The OCC also considers interest rate risk (arising when the interest rate sensitivity of Sunflower Bank’s assets does not match the sensitivity of its liabilities or its off-balance sheet position) in the evaluation of the bank’s capital adequacy. Banks with excessive interest rate risk exposure are required to hold additional amounts of capital against their exposure to losses resulting from that risk. Through the risk-weighting of assets, the regulators also require banks to incorporate market risk components into their risk-based capital. Under these market risk requirements, capital is allocated to support the amount of market risk related to a bank’s lending and trading activities.

Sunflower Bank’s capital categories are determined solely for the purpose of applying the “prompt corrective action” rules described below and they are not necessarily an accurate representation of its overall financial condition or prospects for other purposes. Failure to meet capital guidelines could subject a bank or bank holding company to a variety of enforcement remedies, including issuance of a capital directive, the termination of deposit insurance by the FDIC, a prohibition on accepting brokered deposits, and certain other restrictions on its business. See “Prompt Corrective Action” below.

Banks and holding companies that have less than $10 billion in total consolidated assets and meet other qualifying criteria, including a leverage ratio of greater than 9%, off-balance-sheet exposures of 25% or less of total consolidated assets and

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trading assets plus trading liabilities of 5% or less of total consolidated assets, are deemed “qualifying community banking organizations” are eligible to opt into the “community bank leverage ratio framework.” A qualifying community banking organization that elects to use the community bank leverage ratio framework and that maintains a leverage ratio of greater than 9% is considered to have satisfied the generally applicable risk-based and leverage capital requirements under the Basel III rules and, if applicable, is considered to have met the “well capitalized” ratio requirements for purposes of its primary federal regulator’s prompt corrective action rules, discussed below. We do not have any immediate plans to use the community bank leverage ratio framework but may make such an election in the future.

Prompt Corrective Action

As an insured depository institution, we are required to comply with the capital requirements promulgated under the Federal Deposit Insurance Corporation Improvement Act of 1991 (“FDICIA”). The FDICIA requires each federal banking agency to take prompt corrective action (“PCA”) to resolve the problems of insured depository institutions, including those that fall below one or more prescribed minimum capital ratios. The law requires each federal banking agency to promulgate regulations defining the following five categories in which an insured depository institution will be placed, based on the level of capital ratios: “well capitalized,” “adequately capitalized,” “undercapitalized,” “significantly undercapitalized,” or “critically undercapitalized.” As of December 31, 2023, we maintained capital ratios that exceeded the minimum ratios established for a “well capitalized” institution.

The following is a list of the criteria for each PCA capital category:

Well Capitalized—The institution exceeds the required minimum level for each relevant capital measure. A well-capitalized institution:

•has total risk-based capital ratio of 10% or greater; and

•has a Tier 1 risk-based capital ratio of 8% or greater; and

•has a common equity Tier 1 risk-based capital ratio of 6.5% or greater; and

•has a leverage capital ratio of 5% or greater; and

•is not subject to any order or written directive to meet and maintain a specific capital level for any capital measure.

Adequately Capitalized—The institution meets the required minimum level for each relevant capital measure. The institution may not make a capital distribution if it would result in the institution becoming undercapitalized. An adequately capitalized institution:

•has a total risk-based capital ratio of 8% or greater; and

•has a Tier 1 risk-based capital ratio of 6% or greater; and

•has a common equity Tier 1 risk-based capital ratio of 4.5% or greater; and

•has a leverage capital ratio of 4% or greater.

Undercapitalized—The institution fails to meet the required minimum level for any relevant capital measure. An undercapitalized institution:

•has a total risk-based capital ratio of less than 8%; or

•has a Tier 1 risk-based capital ratio of less than 6%; or

•has a common equity Tier 1 risk-based capital ratio of less than 4.5% or greater; or

•has a leverage capital ratio of less than 4%.

Significantly Undercapitalized—The institution is significantly below the required minimum level for any relevant capital measure. A significantly undercapitalized institution:

•has a total risk-based capital ratio of less than 6%; or

•has a Tier 1 risk-based capital ratio of less than 4%; or

•has a common equity Tier 1 risk-based capital ratio of less than 3% or greater; or

•has a leverage capital ratio of less than 3%.

Critically Undercapitalized—The institution fails to meet a critical capital level set by the appropriate federal banking agency. A critically undercapitalized institution has a ratio of tangible equity to total assets that is equal to or less than 2%.

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Depending upon the capital category to which an institution is assigned, the primary federal regulators’ corrective powers include: (a) requiring the institution to submit a capital restoration plan; (b) limiting the institution’s asset growth and restricting its activities; (c) requiring the institution to issue additional capital stock (including additional voting stock) or to sell itself; (d) restricting transactions between the institution and its affiliates; (e) restricting the interest rate that the institution may pay on deposits; (f) ordering a new election of directors of the institution; (g) requiring that senior executive officers or directors be dismissed; (h) prohibiting the institution from accepting deposits from correspondent banks; (i) requiring the institution to divest certain subsidiaries; (j) prohibiting the payment of principal or interest on subordinated debt; and (k) ultimately, appointing a receiver for the institution.

CECL

On December 21, 2018, the federal banking agencies issued a joint final rule to revise their regulatory capital rules to (a) address the implementation of a new credit impairment model, the Current Expected Credit Loss, or CECL model, an accounting standard under United States generally accepted accounting principles (U.S. GAAP); (b) provide an optional three-year phase-in period for the day-one adverse regulatory capital effects that banking organizations are expected to experience upon adopting CECL; and (c) require the use of CECL in stress tests beginning with the 2020 capital planning and stress testing cycle for certain banking organizations that are subject to stress testing. We implemented CECL effective January 1, 2023. Upon adoption, we recorded an increase to the allowance for credit losses on loans held-for-investment of $5.3 million, a reduction in the allowance for credit losses on unfunded commitments of $0.2 million, an increase to deferred tax assets of $1.2 million, and a corresponding one-time cumulative reduction to retained earnings, net of tax, of $3.8 million in the consolidated balance sheet as of January 1, 2023.

Dividend Payments

The primary source of funds for FirstSun is dividends from Sunflower Bank. Under the National Bank Act, a national bank may pay dividends out of its undivided profits in such amounts and at such times as the bank’s board of directors deems prudent. Without prior OCC approval, however, a national bank may not pay dividends in any calendar year that, in the aggregate, exceed the bank’s year-to-date net income plus the bank’s retained net income for the two preceding years. The payment of dividends by any FDIC-insured institution is affected by the requirement to maintain adequate capital pursuant to applicable capital adequacy guidelines and regulations, and an FDIC-insured institution generally is prohibited from paying any dividends if, following payment thereof, the institution would be undercapitalized. As described above, the Bank exceeded its capital requirements under applicable guidelines as of December 31, 2023. Notwithstanding the availability of funds for dividends, the OCC may prohibit the payment of dividends by the Bank if it determines such payment would constitute an unsafe or unsound practice. In addition, under the Basel III Rule, institutions that seek the freedom to pay dividends will have to maintain the 2.5% capital conservation buffer. See “Capital and Related Requirements” above.

Community Reinvestment Act and Fair Lending Requirements

Sunflower Bank is subject to certain fair lending requirements and reporting obligations involving its home mortgage lending operations. Each bank is also subject to certain requirements and reporting obligations under the Community Reinvestment Act, or “CRA.” The CRA generally requires federal banking agencies to evaluate the record of a financial institution in meeting the credit needs of its local communities, including low- and moderate-income neighborhoods. The CRA further requires the agencies to take into account a bank’s record of meeting community credit needs when evaluating applications for, among other things, new branches or mergers. Sunflower Bank received a “satisfactory” CRA Assessment Rating from the OCC in its most recent examination. In addition to substantive penalties and corrective measures that may be required for a violation of certain fair lending laws, the federal banking agencies may take compliance with such laws and CRA into account when regulating and supervising other activities of the bank, including in acting on expansionary proposals.

On October 24, 2023, the federal banking agencies issued a final rule to amend the regulations implementing the CRA. The rule significantly expands the number of areas in which a bank is evaluated, materially changes the tests used to evaluate the bank in those areas and expands the data a bank must collect and report. The final rule takes effect April 1, 2024, but the majority of its operative provisions are effective January 1, 2026, with the data reporting requirements effective January 1, 2027. We expect the rule will increase Sunflower Bank’s obligations and compliance costs necessary to achieve a “Satisfactory” or “Outstanding” rating under the CRA.

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Fair Lending Requirements

We are subject to certain fair lending requirements and reporting obligations involving lending operations. A number of laws and regulations provide these fair lending requirements and reporting obligations, including, at the federal level, the Equal Credit Opportunity Act, or the “ECOA,” as amended by the Dodd-Frank Act, and Regulation B, as well as the Fair Housing Act, or the “FHA,” and regulations implementing the FHA. ECOA and Regulation B prohibit discrimination in any aspect of a credit transaction based on a number of prohibited factors, including race or color, religion, national origin, sex, marital status, age, the applicant’s receipt of income derived from public assistance programs, and the applicant’s exercise, in good faith, of any right under the Consumer Credit Protection Act. ECOA and Regulation B include lending acts and practices that are specifically prohibited, permitted, or required, and these laws and regulations proscribe data collection requirements, legal action statute of limitations, and disclosure of the consumer’s ability to receive a copy of any appraisal(s) and valuation(s) prepared in connection with certain loans secured by dwellings. FHA prohibits discrimination in all aspects of residential real-estate related transactions based on prohibited factors, including race or color, national origin, religion, sex, familial status, and handicap.

In addition to prohibiting discrimination in credit transactions on the basis of prohibited factors, these laws and regulations can cause a lender to be liable for policies that result in a disparate treatment of or have a disparate impact on a protected class of persons. If a pattern or practice of lending discrimination is alleged by a regulator, then the matter may be referred by the agency to the DOJ, for investigation. In December 2012, the DOJ and CFPB entered into a Memorandum of Understanding under which the agencies have agreed to share information, coordinate investigations, and have generally committed to strengthen their coordination efforts. In addition to substantive penalties and corrective measures that may be required for a violation of certain fair lending laws, the federal banking agencies may take compliance with fair lending requirements into account when regulating and supervising other activities of the bank, including in acting on expansionary proposals.

Consumer Protection Regulations

The activities of the Bank are subject to a variety of statutes and regulations designed to protect consumers. Bank regulatory agencies have increasingly used a general consumer protection statute to address “unethical” or otherwise “bad” business practices that may not necessarily fall directly under the purview of a specific banking or consumer finance law. The law of choice for enforcement against such business practices has been Section 5 of the Federal Trade Commission Act—the primary federal law that prohibits “unfair or deceptive acts or practices” and unfair methods of competition in or affecting commerce (“UDAP” or “FTC Act”). “Unjustified consumer injury” is the principal focus of the FTC Act. Prior to the Dodd-Frank Act, there was little formal guidance to provide insight to the parameters for compliance with the UDAP law. However, the UDAP provisions have been expanded under the Dodd-Frank Act to apply to “unfair, deceptive or abusive acts or practices” (“UDAAP”). The CFPB has brought a variety of enforcement actions for violations of UDAAP provisions and CFPB guidance continues to evolve.

Interest and other charges collected or contracted for by the Bank are subject to state usury laws and federal laws concerning interest rates. The loan operations of the Bank are also subject to federal laws applicable to credit transactions, such as:

•the Truth-In-Lending Act, or “TILA,” and Regulation Z, governing disclosures of credit and servicing terms to consumer borrowers and including substantial requirements for mortgage lending and servicing, as mandated by the Dodd-Frank Act;

•the Home Mortgage Disclosure Act and Regulation C, requiring financial institutions to provide information to enable the public and public officials to determine whether a financial institution is fulfilling its obligation to help meet the housing needs of the communities they serve;

•ECOA and Regulation B, prohibiting discrimination on the basis of race, color, religion, or other prohibited factors in any aspect of a credit transaction;

•the Fair Credit Reporting Act, as amended by the Fair and Accurate Credit Transactions Act and Regulation V, as well as the rules and regulations of the FDIC governing the use of consumer reports, provision of information to credit reporting agencies, certain identity theft protections and certain credit and other disclosures;

•the Fair Debt Collection Practices Act and Regulation F, governing the manner in which consumer debts may be collected by collection agencies and intending to eliminate abusive, deceptive, and unfair debt collection practices;

•the Real Estate Settlement Procedures Act, or “RESPA,” and Regulation X, which governs various aspects of residential mortgage loans, including the settlement and servicing process, dictates certain disclosures to be provided to consumers, and imposes other requirements related to compensation of service providers, insurance escrow accounts, and loss mitigation procedures;

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•The Secure and Fair Enforcement for Mortgage Licensing Act, the “SAFE Act,” which mandates a nationwide licensing and registration system for residential mortgage loan originators. The SAFE Act also prohibits individuals from engaging in the business of a residential mortgage loan originator without first obtaining and maintaining annually registration as either a federal or state licensed mortgage loan originator;

•The Homeowners Protection Act, or the PMI Cancellation Act, provides requirements relating to private mortgage insurance on residential mortgages, including the cancellation and termination of PMI, disclosure and notification requirements, and the requirement to return unearned premiums;

•The Fair Housing Act prohibits discrimination in all aspects of residential real-estate related transactions based on race or color, national origin, religion, sex, and other prohibited factors;

•The Servicemembers Civil Relief Act and Military Lending Act, providing certain protections for servicemembers, members of the military, and their respective spouses, dependents and others; and

•Section 106(c)(5) of the Housing and Urban Development Act requires making home ownership available to eligible homeowners.

The deposit operations of the Bank are also subject to federal laws, such as:

•the Federal Deposit Insurance Act which, among other things, limits the amount of deposit insurance available per insured depositor category to $250,000 and imposes other limits on deposit-taking;

•the Right to Financial Privacy Act, which imposes a duty to maintain the confidentiality of consumer financial records and prescribes procedures for complying with administrative subpoenas of financial records;

•the Electronic Funds Transfer Act and Regulation E, which governs the rights, liabilities, and responsibilities of consumers and financial institutions using electronic fund transfer services, and which generally mandates disclosure requirements, establishes limitations on liability applicable to consumers for unauthorized electronic fund transfers, dictates certain error resolution processes, and applies other requirements relating to automatic deposits to and withdrawals from deposit accounts;

•The Expedited Funds Availability Act and Regulation CC, setting forth requirements to make funds deposited into transaction accounts available according to specified time schedules, disclose funds availability policies to customers, and relating to the collection and return of checks and electronic checks, including the rules regarding the creation or receipt of substitute checks; and

•the Truth in Savings Act and Regulation DD, which requires depository institutions to provide disclosures so that consumers can make meaningful comparisons about depository institutions and accounts.

The CFPB is an independent regulatory authority housed within the Federal Reserve. The CFPB has broad authority to regulate the offering and provision of consumer financial products and services. The CFPB has the authority to supervise and examine depository institutions with more than $10 billion in assets for compliance with federal consumer laws. The authority to supervise and examine depository institutions with $10 billion or less in assets, such as us, for compliance with federal consumer laws remains largely with those institutions’ primary regulators. However, the CFPB may participate in examinations of these smaller institutions on a “sampling basis” and may refer potential enforcement actions against such institutions to their primary regulators. As such, the CFPB may participate in examinations of the Bank. In addition, states are permitted to adopt consumer protection laws and regulations that are stricter than the regulations promulgated by the CFPB, and state attorneys general are permitted to enforce consumer protection rules adopted by the CFPB against certain institutions.

The CFPB has issued a number of significant rules that impact nearly every aspect of the lifecycle of consumer financial products and services, including rules regarding residential mortgage loans. These rules implement Dodd-Frank Act amendments to ECOA, TILA and RESPA. Among other things, the rules adopted by the CFPB require banks to: (i) develop and implement procedures to ensure compliance with a “reasonable ability-to-repay” test; (ii) implement new or revised disclosures, policies and procedures for originating and servicing mortgages, including, but not limited to, pre-loan counseling, early intervention with delinquent borrowers and specific loss mitigation procedures for loans secured by a borrower’s principal residence, and mortgage origination disclosures, which integrate existing requirements under TILA and RESPA; (iii) comply with additional restrictions on mortgage loan originator hiring and compensation; and (iv) comply with new disclosure requirements and standards for appraisals and certain financial products. The CFPB may issue regulations that impact products and services offered by Sunflower Bank. The CFPB has engaged in rulemakings that affect, among other things, credit card late fees, overdraft fees, data collection and reporting requirements for small business lenders such as Sunflower Bank, and personal financial data rights, including a proposed rule announced on January 17, 2024, that would, among other requirements, limit the overdraft fees that banks with greater than $10 billion in assets could charge.

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Bank regulators take into account compliance with consumer protection laws when considering approval of any proposed expansionary proposals, including merger proposals.

Anti-Money Laundering and the USA Patriot Act

Financial institutions must maintain anti-money laundering programs that include established internal policies, procedures, and controls; a designated compliance officer; an ongoing employee training program; and testing of the program by an independent audit function. The program must comply with the anti-money laundering provisions of the Bank Secrecy Act, or the “BSA.” FirstSun and the Bank are also prohibited from entering into specified financial transactions and account relationships and must meet enhanced standards for due diligence and “knowing your customer” in their dealings with foreign financial institutions, foreign customers, and other high risk customers. Financial institutions must take reasonable steps to conduct enhanced scrutiny of account relationships to guard against money laundering and to report any suspicious transactions, and certain laws provide law enforcement authorities with increased access to financial information maintained by banks. Financial institutions must comply with requirements regarding risk-based procedures for conducing ongoing customer due diligence, which requires the institutions to take appropriate steps to understand the nature and purpose of customer relationships and identify and verify the identity of the beneficial owners of legal entity customers.

Anti-money laundering obligations have been substantially strengthened as a result of the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act, which we refer to as the “USA PATRIOT Act.” Bank regulators routinely examine institutions for compliance with these obligations and are required to consider compliance in connection with the regulatory review of applications. The regulatory authorities have been active in imposing cease and desist orders and money penalty sanctions against institutions that have not complied with these requirements.

The USA PATRIOT Act amended the Bank Secrecy Act and provides, in part, for the facilitation of information sharing among governmental entities and financial institutions for the purpose of combating terrorism and money laundering by enhancing anti-money laundering and financial transparency laws, as well as enhanced information collection tools and enforcement mechanics for the U.S. government, including: (a) requiring standards for verifying customer identification at account opening; (b) rules to promote cooperation among financial institutions, regulators, and law enforcement entities in identifying parties that may be involved in terrorism or money laundering; (c) reports by nonfinancial trades and businesses filed with the U.S. Treasury Department’s Financial Crimes Enforcement Network for transactions exceeding $10,000; (d) filing suspicious activities reports if a bank believes a customer may be violating U.S. laws and regulations; and (e) requires enhanced due diligence requirements for financial institutions that administer, maintain, or manage private bank accounts or correspondent accounts for non-U.S. persons. Bank regulators routinely examine institutions for compliance with these obligations and are required to consider compliance in connection with the regulatory review of applications.

Under the USA PATRIOT Act, the regulators can provide lists of the names of persons suspected of involvement in terrorist activities. The Bank can be requested, to search its records for any relationships or transactions with persons on those lists. If the Bank finds any relationships or transactions, it must file a suspicious activity report and contact the applicable governmental authorities.

On January 1, 2021, Congress overrode former President Trump’s veto and thereby enacted the National Defense Authorization Act for Fiscal Year 2022, or “NDAA.” The NDAA provides for one of the most significant overhauls of the BSA and related anti-money laundering laws since the USA Patriot Act. Notably, changes include:

•expansion of coordination and information sharing efforts among the agencies tasked with administering anti-money laundering and countering the financing of terrorism requirements, including the Financial Crimes Enforcement Network, or “FinCEN,” the primary federal banking regulators, federal law enforcement agencies, national security agencies, the intelligence community, and financial institutions;

•providing additional penalties with respect to violations of BSA and enhancing the powers of FinCEN;

•significant updates to the beneficial ownership collection rules and the creation of a registry of beneficial ownership which will track the beneficial owners of reporting companies which may be shared with law enforcement and financial institutions conducting due diligence under certain circumstances;

•improvements to existing information sharing provisions that permit financial institutions to share information relating to SARs with foreign branches, subsidiaries, and affiliates (except those located in China, Russia, or certain other jurisdictions) for the purpose of combating illicit finance risks; and

•enhanced whistleblower protection provisions, allowing whistleblower(s) who provide original information which leads to successful enforcement of anti-money laundering laws in certain judicial or administrative actions

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resulting in certain monetary sanctions to receive up to 30% of the amount that is collected in monetary sanctions as well as increased protections.

Under the USA PATRIOT Act, FinCEN can send our banking regulatory agencies lists of the names of persons suspected of involvement in terrorist activities. The Bank can be requested, to search its records for any relationships or transactions with persons on those lists. If the Bank finds any relationships or transactions, it must file a suspicious activity report and contact FinCEN.

The Office of Foreign Assets Control

The Office of Foreign Assets Control, or “OFAC,” which is an office in the U.S. Department of the Treasury, is responsible for helping to ensure that U.S. entities do not engage in transactions with “enemies” of the United States, as defined by various Executive Orders and Acts of Congress. OFAC publishes lists of names of persons and organizations suspected of aiding, harboring or engaging in terrorist acts; owned or controlled by, or acting on behalf of target countries, and narcotics traffickers. If a bank finds a name on any transaction, account or wire transfer that is on an OFAC list, it must freeze or block the transactions on the account.

Financial Privacy and Cybersecurity

Under privacy protection provisions of the Gramm-Leach-Bliley Act of 1999, and related regulations, we are limited in our ability to disclose non-public information about consumers to nonaffiliated third parties. These limitations require disclosure of privacy policies to consumers and, in some circumstances, allow consumers to prevent disclosure of certain personal information to a nonaffiliated third-party. Federal banking agencies, including the OCC, have adopted guidelines for establishing information security standards and cybersecurity programs for implementing safeguards under the supervision of the board of directors. These guidelines, along with related regulatory materials, increasingly focus on risk management and processes related to information technology and the use of third parties in the provision of financial services.

Consumers must be notified in the event of a data breach under applicable federal and state laws. Under federal regulations, banking organizations are required to notify their primary federal regulator as soon as possible and no later than 36 hours after the discovery of a “computer-security incident” that rises to the level of a “notification incident” within the meaning attributed to those terms by the federal regulation. Banks’ service providers are required under the federal regulation to notify any affected bank to or on behalf of which the service provider provides services “as soon as possible” after determining that it has experienced an incident that materially disrupts or degrades, or is reasonably likely to materially disrupt or degrade, covered services provided to such bank for as much as four hours.

See Item 1A. Risk Factors for a further discussion of risks related to cybersecurity and Item 1C. Cybersecurity for a further discussion of risk management strategies and governance processes related to cybersecurity.

Deposit Premiums and Assessments

Sunflower Bank’s deposits are insured by the Deposit Insurance Fund (“DIF”) of the FDIC up to $250,000, the maximum amount permitted by law. The FDIC uses the DIF to protect against the loss of insured deposits if an FDIC-insured bank or savings association fails. As an FDIC-insured bank, we must pay deposit insurance assessments to the FDIC based on our average total assets minus our average tangible equity.

As an institution with less than $10 billion in assets, our assessment rates are based on the level of risk we pose to the FDIC’s DIF. The initial base rate for deposit insurance for institutions with less than $10 billion in assets is between five and 32 basis points. Total base assessment after possible adjustments now ranges between 2.5 and 32 basis points. For established smaller institutions, such as us, the total base assessment rate is calculated by using supervisory ratings as well as (a) an initial base assessment rate, (b) an unsecured debt adjustment (which can be positive or negative), and (c) a brokered deposit adjustment.

In addition to the ordinary assessments described above, the FDIC has the ability to impose special assessments in certain instances. For example, under the Dodd-Frank Act, the minimum designated reserve ratio for the DIF was increased to 1.35% of the estimated total amount of insured deposits. Extraordinary growth in insured deposits during the first and second quarters of 2020 caused the DIF reserve ratio to decline below the statutory minimum of 1.35%. In November 2023, following the closures of Silicon Valley Bank and Signature Bank and in connection with its systemic risk determination announced on March 12, 2023, the FDIC announced a special deposit insurance assessment rate of 13.4

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basis points beginning in the first quarterly assessment period of 2024, adjusted to exclude the first $5 billion in deposits for an anticipated total of eight quarterly assessment periods.

The FDIC may terminate the deposit insurance of any insured depository institution if it determines after a notice and hearing that the institution has engaged in unsafe or unsound practices, is in an unsafe or unsound condition to continue operations or has violated any applicable law, regulation, rule, order or condition imposed by the FDIC.

CRE Guidance

In December 2015, the federal banking regulators released a statement entitled “Interagency Statement on Prudent Risk Management for Commercial Real Estate Lending,” or the “CRE Guidance.” In the CRE Guidance, the federal banking regulators (a) expressed concerns with institutions that ease CRE underwriting standards, (b) directed financial institutions to maintain underwriting discipline and exercise risk management practices to identify, measure and monitor lending risks, and (c) indicated that they will continue to pay special attention to CRE lending activities and concentrations. The federal banking regulators previously issued guidance in December 2006, entitled “Interagency Guidance on Concentrations in CRE Lending, Sound Risk Management Practices,” which stated that an institution that is potentially exposed to significant CRE concentration risk should employ enhanced risk management practices. Specifically, the guidance states that such institutions that are potentially exposed to significant CRE concentration risk and may warrant greater supervisory scrutiny are those institutions which have (i) total CRE loans representing 300% or more of the institution’s total capital and (ii) the outstanding balance of such institution’s CRE loan portfolio has increased by 50% or more during the prior 36 months.

Effect of Governmental Monetary Policies

Our earnings are affected by domestic economic conditions and the monetary policies of the U.S. and its agencies. The Federal Open Market Committee’s monetary policies have had, and are likely to continue to have, an important effect on the operating results of banks through its power to implement national monetary policy in order, among other things, to curb inflation or combat a recession. The monetary policies of the Federal Reserve have major effects on the levels of bank loans, investments and deposits through its open market operations in U.S. government securities and through its regulation of the discount rate on borrowings of member banks and the reserve requirements against member bank deposits. We cannot predict the nature or effect of future changes in such monetary policies.

Future Legislation and Regulation

Congress may enact legislation from time to time that affects the regulation of the financial services industry, and state legislatures may enact legislation from time to time affecting the regulation of financial institutions chartered by or operating in those states. Federal and state regulatory agencies also periodically propose and adopt changes to their regulations or change the manner in which existing regulations are applied or interpreted. The substance or impact of pending or future legislation or regulation, or the application thereof, cannot be predicted, although enactment of the proposed legislation has in the past and may in the future affect the regulatory structure under which we operate and may significantly increase our costs, impede the efficiency of our internal business processes, require us to increase our regulatory capital or modify our business strategy, or limit our ability to pursue business opportunities in an efficient manner. Our business, financial condition, results of operations or prospects may be adversely affected, perhaps materially, as a result.

Available Information

We file reports with the Securities and Exchange Commission (the “SEC”) including annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and proxy statements, as well as any amendments to those reports and statements. The SEC maintains an internet site that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC at http://www.sec.gov. Our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, proxy statements and amendments to those reports and statements filed or furnished pursuant to section 13(a) or 15(d) of the Exchange Act are also accessible at no cost on our internet website at http://ir.firstsuncb.com after they are electronically filed with the SEC. No information contained on our website is intended to be included as part of, or incorporated by reference into, this Annual Report on Form 10-K.

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Item 1A. Risk Factors

An investment in our securities involves various risks, many of which are beyond our control, which could cause our results to differ significantly from management’s expectations. Some of these risk factors are described below. Any risk factor discussed below could, by itself or together with one or more other factors, materially and adversely affect our business, results of operations and/or financial condition, and cause the loss of part or all of the value of an investment in FirstSun. Additional risks and uncertainties not currently known to us or that we currently consider to not be material also may materially and adversely affect us and the value of an investment in our securities. In assessing these risks, you should also refer to other information disclosed in this Form 10-K (and in our subsequent SEC filings), including the financial statements and notes thereto. Any of the risks discussed below could also cause our actual results to differ materially from those discussed, anticipated or implied in these forward-looking statements. See “CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS” above in this annual report.

Risks Related to Our Business

Economic and Geographic-Related Risks

Our business may be adversely affected by economic conditions. Generally, in periods of economic downturns, including periods of rising interest rates and recessions, our realized credit losses increase, our deposit and funding costs increase, demand for our products and services declines, and the credit quality of our loan portfolio declines.

Our financial performance generally, and in particular, the ability of borrowers to pay interest on and repay the principal of outstanding loans and the value of collateral securing those loans, as well as demand for loans and other products and services we offer and whose success we rely on to drive our growth, is highly dependent upon the business environment in the primary markets where we operate and in the United States as a whole. Unlike larger financial institutions that are more geographically diversified, we are a regional bank that provides banking and financial services to customers primarily in Texas, Kansas, Colorado, New Mexico and Arizona. HomeStreet operates in California, Hawaii, Oregon and Washington, and, if completed, the proposed HomeStreet merger will provide additional geographic diversity. However, the economic conditions in our current, and potential future, markets may be different from, and in some instances worse than, the economic conditions in the United States as a whole.

Some elements of the business environment that affect our financial performance include short-term and long-term interest rates, the prevailing yield curve, inflation, monetary supply, fluctuations in the debt and equity capital markets, and the strength of the domestic economy and the local economies in the markets in which we operate. Unfavorable market conditions can result in a deterioration of the credit quality of borrowers, an increase in the number of loan delinquencies, defaults and charge-offs, foreclosures, additional provisions for credit losses, adverse asset values, a reduction in assets under management or administration, and an increase in our deposit and funding costs. A component of our loan portfolio is secured by real estate. A decline in real estate values can negatively impact our ability to recover our investment should the borrower become delinquent. Loans secured by stock or other collateral may be adversely impacted by a downturn in the economy and other factors that could reduce the recoverability of our investment. Unsecured loans are dependent on the solvency of the borrower, which can deteriorate, leaving us with a risk of loss. Unfavorable or uncertain economic and market conditions can be caused by declines in economic growth, business activity or investor or business confidence, limitations on the availability of or increases in the cost of credit and capital, increases in inflation or interest rates, high unemployment, natural disasters, epidemics and pandemics (such as COVID-19), state or local government insolvency, or a combination of these or other factors.

More specifically, the market conditions in the markets in which we have (and if the proposed HomeStreet merger is completed, the additional markets in which we will have) a presence may be different from, and could be worse than, the economic conditions in the United States as a whole. As discussed elsewhere in this Item 1A, inflationary pressures have caused the Federal Reserve to increase interest rates. Increases in interest rates in the past have led to recessions of various lengths and intensities and might lead to such a recession in the near future. Such a recession or any other adverse changes in business and economic conditions generally or specifically in the markets in which we operate could affect our business, including causing one or more of the following negative developments:

•an increase in our deposit and funding costs;

•a decrease in the demand for loans, mortgage banking products and services and other products and services we offer;

•a decrease in our deposit account balances as customers move funds to seek to obtain maximum federal deposit insurance coverage or to seek higher interest rates;

•a decrease in the value of the collateral securing our residential or commercial real estate loans;

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•a permanent impairment of our assets; or

•an increase in the number of customers or other counterparties who default on their loans or other obligations to us, which could result in a higher level of NPAs, net charge-offs and provision for credit losses.

The Federal Reserve has shifted its focus to limiting inflationary and other potentially adverse economic effects or market conditions, which signals the potential for a continued period of economic uncertainty. In addition, there are continuing concerns related to, among other things, the level of U.S. government debt and fiscal actions that may be taken to address that debt, the potential impacts of artificial intelligence, potential pandemic risks, the potential resurgence of economic and political tensions with China, the Middle East or the continuing Russian invasion of Ukraine, any of which may have a destabilizing effect on financial markets and economic activity. Economic pressure on consumers and overall economic uncertainty may result in changes in consumer and business spending, borrowing and saving habits. These economic conditions and/or other negative developments in the domestic or international credit markets may significantly affect the markets in which we do business, the value of our loans and investments, and our ongoing operations, costs and profitability. Declines in real estate values and sales volumes and high unemployment or underemployment may also result in higher than expected loan delinquencies, increases in our levels of nonperforming and classified assets and a decline in demand for our products and services. These negative events may cause us to incur losses and may adversely affect our capital, liquidity and financial condition.

Inflationary pressures present a potential threat to our results of operation and financial condition.

The United States generally and the regions in which we operate specifically have experienced significant inflationary pressures, evidenced by higher gas prices, higher food prices and other consumer items. Inflation represents a loss in purchasing power because the value of investments does not keep up with inflation and erodes the purchasing power of money and the potential value of investments over time. Accordingly, inflation can result in material adverse effects upon our customers, their businesses and, as a result, our financial position and results of operation. Inflation also can and does generally lead to higher interest rates, which have their own separate risks. Decreased deposit balances could result in our reliance upon higher cost funding sources. See Risks Associated with Monetary Events, Interest Rate and Yield Curve Risks and Capital and Liquidity Risks in this Item 1A of this report.

Our wealth management business may be negatively impacted by changes in economic and market conditions and clients may seek legal remedies for investment performance.

Our wealth management business may be negatively impacted by changes in general economic and market conditions because the performance of this businesses is directly affected by conditions in the financial and securities markets. The financial markets and businesses operating in the securities industry are highly volatile (meaning that performance results can vary greatly within short periods of time) and are directly affected by, among other factors, domestic and foreign economic conditions and general trends in business and finance, and by the threat, as well as the occurrence of global conflicts or events, all of which are beyond our control. We cannot assure you that broad market performance will be favorable in the future. Declines in the financial markets or a lack of sustained growth may result in a decline in the performance of our wealth management business and may adversely affect the market value and performance of the investment securities that we manage, which could lead to reductions in our wealth management fees, because they are based primarily on the market value of the securities we manage, and could lead some of our clients to reduce their assets under management by us or seek legal remedies for investment performance. If any of these events occur, the financial performance of our wealth management business could be materially and adversely affected.

Risks Associated with Monetary Events

The Federal Reserve has implemented significant economic strategies that have affected interest rates, inflation, asset values, and the shape of the yield curve. These strategies have had, and will continue to have, a significant impact on our business and on many of our clients.

To illustrate: in response to the recession in 2008-09 and the following uneven recovery, the Federal Reserve implemented a series of domestic monetary initiatives designed to lower rates and make credit easier to obtain. The Federal Reserve changed course in 2015, raising rates several times through 2018. The last raise in 2018 was accompanied by a substantial and broad stock market decline. In 2019, the Federal Reserve began to lower rates. In 2020, in response to economic disruption associated with the COVID-19 pandemic, the Federal Reserve quickly reduced short-term rates to extremely low levels and acted to influence the markets to reduce long-term rates as well. During 2021, the Federal Reserve significantly reduced its “easing” actions that held down long-term rates. During 2022, the Federal Reserve switched to a tightening policy. It raised short term rates significantly and rapidly over most of the year. Those actions triggered a significant decline in the values of most categories of U.S. stocks and bonds; significantly raised recessionary expectations for the

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U.S.; and inverted the yield curve in the U.S. for much of the last two quarters of 2022. During the first half of 2023, the Federal Reserve continued to raise short term rates, leading to continuing yield curve inversion. Subsequent to July 2023 and continuing into 2024, the Federal Reserve has held short term interest rates flat, but has not specifically indicated as to when interest rates may change.

Federal Reserve strategies can, and often are intended to, affect the domestic money supply, inflation, interest rates, and the shape of the yield curve.

Effects on the yield curve often are most pronounced at the short end of the curve, which is of particular importance to us and other banks. Among other things, easing strategies are intended to lower interest rates, expand the money supply, and stimulate economic activity, while tightening strategies are intended to increase interest rates, discourage borrowing, tighten the money supply, and restrain economic activity. However, as noted above, since the second half of 2022 short term rates continued to rise faster than long term rates to the point that the yield curve remained inverted for 2023 and early 2024. It is not clear when long term rates are likely to catch up.

Many external factors may interfere with the effects of these actions or cause them to be changed, sometimes quickly. Such factors include significant economic trends or events as well as significant international monetary policies and events. As exemplified by the March 2023 bank failures in the U.S., such strategies also can affect the U.S. and world-wide financial systems in ways that may be difficult to predict. Risks associated with interest rates and the yield curve and their potential effects on financial institutions are discussed in this Item 1A under the caption Interest Rate and Yield Curve Risks and Capital and Liquidity Risks.

Lending Risks

If we fail to effectively manage credit risk, our business and financial condition will suffer.

We must effectively manage credit risk. There are risks inherent in making any loan, including risks with respect to the period of time over which the loan may be repaid, risks relating to proper loan underwriting and guidelines, risks resulting from changes in economic and industry conditions, risks inherent in dealing with individual borrowers and risks resulting from uncertainties as to the future value of collateral. There is no assurance that our credit risk monitoring and loan approval procedures are or will be adequate or will reduce the inherent risks associated with lending.

Our risk management practices, such as monitoring the concentration of our loans within specific industries and our credit approval, review and administrative practices, may not adequately reduce credit risk, and our credit administration personnel, policies and procedures may not adequately adapt to changes in economic or any other conditions affecting customers and the quality of the loan portfolio. Many of our loans are made to small and medium-sized businesses that are less able to withstand competitive, economic and financial pressures than larger borrowers. Consequently, we may have significant exposure if any of these borrowers become unable to pay their loan obligations as a result of economic or market conditions, or personal circumstances. In addition, we are a middle-market lender, as such, the relative size of individual credits in our commercial portfolio increases the potential impact from singular credit events. A failure to effectively measure and limit the credit risk associated with our loan portfolio may result in loan defaults, foreclosures and additional charge-offs, and may necessitate that we significantly increase our allowance for credit losses, each of which could adversely affect our net income. As a result, our inability to successfully manage credit risk could have a material adverse effect on our business, financial condition and results of operations.

Our allowance for credit losses in our loan portfolio may prove to be inadequate, which may adversely affect our business, financial condition and results of operations.

We are exposed to the risk that our customers will be unable to repay their loans according to their terms and that any collateral securing the payment of their loans will not be sufficient to ensure full repayment. Credit losses are inherent in the lending business and could have a material adverse effect on our operating results and ability to meet our obligations. We evaluate the collectability of our loan portfolio and we maintain an allowance for credit losses on such loans that represents management’s best estimate of current expected losses in our loan portfolio considering available information, from internal and external sources, relevant to assessing exposure to credit loss over the contractual term of the loan portfolio. Relevant available information includes historical credit loss experience, current conditions and reasonable and supportable forecasts. As a result, the determination of the appropriate level of allowance for credit losses inherently involves a high degree of subjectivity and requires us to make significant estimates related to current and expected future credit risks and trends, all of which may undergo material changes. Continuing deterioration in economic conditions, including the possibility of a recession, affecting borrowers; inflation; rising interest rates; new information regarding existing loans, credit commitments; the lingering effects of the COVID-19 pandemic or other global pandemics; natural

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disasters and risks related to climate change; and identification of additional problem loans, and other factors, both within and outside of our control, may require an increase in the allowance for credit losses on loans. In addition, bank regulatory agencies periodically review our allowance for credit losses and may require an increase in credit loss expense or the recognition of further loan charge-offs, based on judgments different than those of management. Furthermore, if any charge-offs related to loans in future periods exceed our allowance for credit losses on loans, we will need to recognize additional credit loss expense to increase the applicable allowance. Any increase in the allowance for credit losses on loans will result in a decrease in net income and, possibly, capital, and may have a material adverse effect on our business, financial condition and results of operations.

We are exposed to higher credit risk by commercial and industrial and commercial real estate lending.

Commercial and industrial lending and commercial real estate lending usually involves higher credit risks than that of single-family residential lending. At December 31, 2023, approximately 69.6% of our loan portfolio consisted of commercial and industrial and commercial real estate loans. These types of loans generally involve larger loan balances to a single borrower or groups of related borrowers.

Commercial and industrial business loans are typically based on the borrowers’ ability to repay the loans from the cash flow of their businesses, which may be unpredictable, and the collateral securing these loans may fluctuate in value. Although commercial and industrial business loans are often collateralized by equipment, inventory, accounts receivable, or other business assets, the liquidation of collateral in the event of default is often an insufficient source of repayment because accounts receivable may be uncollectible and inventories may be obsolete or of limited use. In addition, business assets may depreciate over time, may be difficult to appraise, and may fluctuate in value based on the success of the business. Accordingly, the repayment of commercial business loans depends primarily on the cash flow and credit worthiness of the borrower and secondarily on the underlying collateral value provided by the borrower and liquidity of the guarantor.

Commercial real estate loans may be affected to a greater extent than residential loans by adverse conditions in real estate markets or the economy because commercial real estate borrowers’ ability to repay their loans depends in some cases on successful development of their properties, as well as the factors affecting residential real estate borrowers. These loans may involve greater risk because they generally are not fully amortizing over the loan period, but have a balloon payment due at maturity. A borrower’s ability to make a balloon payment typically will depend on being able to either refinance the loan or sell the underlying property in a timely manner. Risk of loss on a construction and land development loan depends largely upon whether our initial estimate of the property’s value at completion of construction exceeds the cost of the property construction (including interest) and the availability of permanent take-out financing. During the construction phase, a number of factors can result in delays and cost overruns. If estimates of value are inaccurate or if actual construction costs exceed estimates, the value of the property securing the loan may be insufficient to ensure full repayment when completed through a permanent loan or by seizure of collateral.

These types of loans are more susceptible to a risk of loss during a downturn in the business cycle. Our underwriting, review, and monitoring cannot eliminate all of the risks related to these loans.

As of December 31, 2023, our commercial real estate loans were equal to 198.9% of our total risk-based capital. The banking regulators give commercial real estate lending greater scrutiny, and may require banks with higher levels of commercial real estate loans to implement enhanced underwriting, internal controls, risk management policies and portfolio stress testing, as well as possibly higher levels of allowances for losses and capital levels as a result of commercial real estate lending growth and exposures.

A significant portion of our loan portfolio is secured by real estate, and events that negatively impact the real estate market could hurt our business.

A significant portion of our loans are secured by real estate. As of December 31, 2023, approximately 48.8% of our loan portfolio had real estate as primary collateral (owner occupied, non-owner occupied, non-residential construction, multifamily, and residential). Additionally, certain loans may have real estate as a secondary component of collateral. The real estate collateral in each case provides an alternate source of repayment in the event of default by the borrower and may deteriorate in value during the time the credit is extended. Deterioration in the real estate market could cause us to adjust our opinion of the level of credit quality in our loan portfolio. Such a determination may lead to an additional increase in our provisions for credit losses, which could also adversely affect our business, financial condition, and results of operations.

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Nonperforming assets take significant time and resources to resolve and adversely affect our results of operations and financial condition.

At December 31, 2023, we had a total of approximately $67.2 million of nonperforming assets or approximately 0.85% of total assets. Our nonperforming assets adversely affect our net income in various ways. We do not record interest income on nonaccrual loans or other real estate owned, thereby adversely affecting our net income and returns on assets and equity, increasing our loan administration costs and adversely affecting our efficiency ratio. When we take collateral in foreclosures and similar proceedings, we are required to mark the related asset to the then fair market value of the collateral, which may ultimately result in a loss. An increase in the level of nonperforming assets increases our risk profile and may impact the capital levels regulators believe are appropriate in light of the ensuing risk profile. In addition, the resolution of nonperforming assets requires significant commitments of time from management, which may materially and adversely impact their ability to perform their other responsibilities. If we experience increases in nonperforming loans and nonperforming assets, our net interest income may be negatively impacted and our loan administration costs could increase, each of which could have an adverse effect on our net income and related ratios, such as return on assets and equity.

Interest Rate and Yield Curve Risks

We are subject to interest rate risk, which could adversely affect our financial condition and profitability.

The majority of our banking assets are subject to changes in interest rates. Like most financial institutions, our earnings significantly depend on our net interest income, the principal component of our earnings, which is the difference between interest earned by us from our interest-earning assets, such as loans and investment securities, and interest paid by us on our interest-bearing liabilities, such as deposits and borrowings. We expect that we will periodically experience “gaps” in the interest rate sensitivities of our assets and liabilities, meaning that either our interest-bearing liabilities will be more sensitive to changes in market interest rates than our interest-earning assets, or vice versa. In either event, if market interest rates should move contrary to our position, this “gap” will negatively impact our earnings. Many factors beyond our control impact interest rates, including economic conditions, governmental monetary policies, inflation, recession, changes in unemployment, the money supply, and disorder and instability in domestic and foreign financial markets. Changes in monetary policies of the various government agencies could influence not only the interest we receive on loans and securities and the interest we pay on deposits and borrowings, but such changes could also affect our ability to originate loans and obtain deposits, the fair value of our financial assets and liabilities, and the average duration of our assets and liabilities.

An increase in interest rates may not increase our net interest income to the same extent we currently anticipate based on our modeling estimates and the assumptions underlying such modeling. Our failure to benefit from an increased interest rate environment to the extent we currently estimate, to the same extent as our competitors or at all could have a material adverse effect on our business, financial condition and results of operations.

In a declining interest rate environment, there may be an increase in prepayments on loans as borrowers refinance their loans at lower rates. Interest rate increases often result in larger payment requirements for our floating interest rate borrowers, which increases the potential for default. At the same time, the marketability of the property securing a loan may be adversely affected by any reduced demand resulting from higher interest rates. An increase (or decrease) in interest rates may also require us to increase (or decrease) the interest rates that we pay on our deposits.

Changes in interest rates also can affect the value of loans, securities and other assets. An increase in interest rates that adversely affects the ability of borrowers to pay the principal or interest on loans may lead to increases in nonperforming assets, charge-offs and delinquencies, further increases to the allowance for credit losses, and a reduction of income recognized, among others, which could have a material adverse effect on our results of operations and cash flows. Further, when we place a loan on nonaccrual status, we reverse any accrued but unpaid interest receivable, which decreases interest income. At the same time, we continue to have a cost to fund the loan, which is reflected as interest expense, without any interest income to offset the associated funding expense. Thus, an increase in the amount of nonperforming assets could have a material adverse impact on our net interest income.

Our cost of funds may increase as a result of general economic conditions, FDIC insurance assessments, interest rates and competitive pressures.

We have traditionally obtained funds through local deposits and thus we have a base of lower cost transaction deposits. Generally, we believe local deposits are a cheaper and more stable source of funds than other borrowings because interest rates paid for local deposits are typically lower than interest rates charged for borrowings from the Federal Reserve or from other institutional lenders and reflect a mix of transaction and time deposits. Further, economic conditions and rising

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interest rates could result in a decrease of our transaction deposit account balances as customers seek to obtain maximum federal deposit insurance coverage or to seek higher interest rates. Our cost of funds has increased in the past 12 months due largely to overall increases in the cost of our deposits. These trends could continue in the remainder of 2024. Additionally, our costs of funds and our profitability and liquidity are likely to be adversely affected if, and to the extent, we have to rely upon higher cost borrowings from the Federal Reserve or other institutional lenders, such as the Federal Home Loan Bank, or upon brokers to fund liquidity needs, and changes in our deposit mix, pricing, and growth could adversely affect our profitability and the ability to expand our loan portfolio. Further, as a result of bank closures or other factors, regulators could increase the cost of our FDIC insurance assessments and affect our profitability.

Rapidly rising interest rates will impact the value of our investment securities and the cost of our funding sources, including deposits.

Our profitability is highly dependent on our net interest income, which is the difference between the interest income paid to us on our loans and investments and the interest we pay to third parties such as our depositors, lenders and debt holders. Changes in interest rates can impact our profits and the fair values of certain of our assets and liabilities. Higher market interest rates and increased competition for deposits may result in higher interest expense, as we may offer higher rates to attract or retain customer deposits. Increases in interest rates also may increase the amount of interest expense we pay to creditors on short and long-term debt. Interest rate risk can also result from mismatches between the dollar amounts of re-pricing or maturing assets and liabilities and from mismatches in the timing and rates at which our assets and liabilities re-price. Changes in market values of investment securities classified as available for sale are impacted by interest rates and can negatively impact our other comprehensive income and equity levels through accumulated other comprehensive income, which includes net unrealized gains and losses on those securities. Further, such losses could be realized into earnings should liquidity and/or business strategy necessitate the sales of securities in a loss position.

A flat or inverted yield curve may reduce our net interest margin and adversely affect our loan and investment portfolios.

The yield curve is a reflection of interest rates applicable to short and long-term debt. The yield curve is steep when short-term rates are much lower than long-term rates; it is flat when short-term rates and long-term rates are nearly the same; and it is inverted when short-term rates exceed long-term rates. Historically, the yield curve is usually upward sloping (higher rates for longer terms). However, the yield curve can be relatively flat or inverted (downward sloping), which has happened several times in the past few years. A flat or inverted yield curve, which tends to decrease net interest margin, would adversely impact our lending businesses and investment portfolio. The Federal Reserve, consistent with long-term goals, has raised rates in response to inflation, and the yield curve has remained inverted in early 2024. We cannot predict how long those conditions will exist. There is significant risk, especially if inversion remains common and a recession begins, that our net interest margin could compress. See Risks Associated with Monetary Events in this Item 1A of this report.

Mortgage Banking Risks

Our mortgage revenue is cyclical and is sensitive to the level of interest rates, changes in economic conditions, decreased economic activity, and slowdowns in the housing market.

Mortgage activity decreased significantly in 2023 and 2022. We may not be able to return our mortgage business to the rates of growth achieved in previous years or even grow our mortgage business at all. The success of our mortgage division is dependent upon our ability to originate loans and sell them to investors, in each case at or near current volumes. Loan production levels are sensitive to changes in the level of interest rates and changes in economic conditions. Mortgage production, especially refinancing activity, declines in rising interest rate environments. Our mortgage origination volume could be materially and adversely affected by rising interest rates. Accordingly, when interest rates increase, we generally expect that our mortgage production will decline.

Because we sell a substantial portion of the mortgage loans we originate, the profitability of our mortgage banking business also depends in large part on our ability to aggregate a high volume of loans and sell them in the secondary market at a gain. In fact, when rates rise, we expect increasing industry-wide competitive pressures related to changing market conditions to reduce pricing margins and mortgage revenues generally. If our level of mortgage production declines, our continued profitability will depend upon our ability to reduce our costs commensurate with the reduction of revenue from our mortgage operations. If we are unable to do so, our continued profitability may be materially and adversely affected. See Risks Associated With Monetary Events in this Item 1A of this report.

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We are subject to certain risks related to originating and selling mortgage loans that could have a material adverse effect on our financial condition and results of operations.

We sell mortgage loans to generate earnings and manage our liquidity and capital levels, as well as to create geographical and product diversity in our loan portfolio. Disruptions in the financial markets, a decrease in demand for these loans, or changes to laws or regulations that reduce the attractiveness of such loans to purchasers of the loans could require us to decrease our lending activities or retain a greater portion of the loans we originate. Selling fewer loans would generally result in a decrease in the gains recognized on the sale of loans, could increase our capital needs as a result of the increase of risk weighted assets, result in decreased liquidity, and result in increased credit risk as our loan portfolio increased in size, any of which could have a material adverse effect on our financial condition and results of operations.

The structure of certain loan sales may result in the retention of credit or financial risks. We retain mortgage servicing rights on a majority of the mortgage loans we sell. Mortgage servicing rights, the right to service a loan and receive servicing income over the life of the loan, are recognized as assets or liabilities at estimated fair value. The value of mortgage servicing rights are affected by prepayment speeds of mortgage loans and changes; therefore, actual performance may differ from our expectations. The impact of such factors could have a material adverse effect on the value of these mortgage servicing rights and on our financial condition and results of operations.

When loans are sold or securitized, it is customary to make representations, warranties and covenants to the purchaser or investors about the loans, including the manner in which they were originated and will be serviced. These agreements generally require the repurchase of loans or indemnification in the event we breach these representations, warranties or covenants and such breaches are not cured. In addition, some agreements contain a requirement to repurchase loans as a result of early payoffs by the borrower, early payment default of the borrower or defects affecting the security interest in the collateral. We have not been obligated to make significant repurchases of sold loans in the past. A material increase in the amount of loans repurchased could have a material adverse effect on our financial condition and results of operations.

In a period of rising interest rates, we expect our mortgage revenue to decrease due to decreased residential mortgage origination volume and pricing decisions of competitors may adversely affect our profitability.

Our mortgage division originates, sells and services residential mortgage loans. Changes in interest rates, housing prices, applicable government regulations and pricing decisions by our loan competitors may adversely affect demand for our residential mortgage loan products, the revenue realized on the sale of loans, the revenues received from servicing such loans for others and, ultimately, reduce our net income. In particular, when rates are higher, client activity (and our related income) tends to be muted. Lower rates tend to foster higher activity. Rising rates have substantially reduced our income from our mortgage division. Further reductions in income from our mortgage-related businesses are possible. In addition, new regulations, increased regulatory reviews, and/or changes in the structure of the secondary mortgage markets which we utilize to sell mortgage loans may increase costs and make it more difficult to operate a residential mortgage origination business. Our revenue from the mortgage banking business was $31.4 million in 2023 and $46.3 million in 2022. This revenue will likely decline in future periods if interest rates continue to rise or if the other risks highlighted in this paragraph are realized, which will adversely affect our profitability.

We depend on U.S. government-sponsored entities and government agencies, and any changes in these entities, their current roles or the leadership at such entities or their regulators could materially and adversely affect our business, financial condition, liquidity and results of operations.

Our ability to generate revenues through mortgage loan sales depends on programs administered by government-sponsored entities (“GSEs”), such as Fannie Mae and Freddie Mac, government agencies, including Ginnie Mae, and others that facilitate the issuance of mortgage-backed securities (“MBS”), in the secondary market. Presently, almost all of the newly originated loans that we originate directly with borrowers qualify under existing standards for inclusion in MBS issued by Fannie Mae or Freddie Mac or guaranteed by Ginnie Mae. A number of legislative proposals have been introduced in recent years that would wind down or phase out the GSEs. It is not possible to predict the scope and nature of the actions that the U.S. government, will ultimately take with respect to the GSEs. Any changes in laws and regulations affecting the relationship between Fannie Mae and Freddie Mac and their regulators or the U.S. federal government, and any changes in leadership at these entities, could adversely affect our business and prospects. Any discontinuation of, or significant reduction in, the operation of Fannie Mae or Freddie Mac or any significant adverse change in their capital structure, financial condition, activity levels in the primary or secondary mortgage markets or in underwriting criteria could materially and adversely affect our business, financial condition, liquidity and results of operations.

Elimination of the traditional roles of Fannie Mae and Freddie Mac, or any changes to the nature or extent of the guarantees provided by Fannie Mae and Freddie Mac or the fees, terms and guidelines that govern our selling and servicing

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relationships with them, could also materially and adversely affect our ability to sell and securitize loans through our loan production segment, and the performance, liquidity and market value of our investments. Moreover, any changes to the nature of the GSEs or their guarantee obligations could redefine what constitutes an Agency MBS and could have broad adverse implications for the market and our business, financial condition, liquidity and results of operations.

We may be terminated as a servicer of mortgage loans, be required to repurchase a mortgage loan or reimburse investors for credit losses on a mortgage loan, or incur costs, liabilities, fines and other sanctions if we fail to satisfy our servicing obligations, including our obligations with respect to mortgage loan foreclosure actions.

We act as servicer for approximately $5.4 billion of residential loans owned by third parties as of December 31, 2023. As a servicer for those loans we have certain contractual obligations, including foreclosing on defaulted mortgage loans or, to the extent applicable, considering alternatives to foreclosure such as loan modifications or short sales. If we commit a material breach of our obligations as servicer, we may be subject to termination if the breach is not cured within a specified period of time following notice, causing us to lose servicing income.

For certain investors and/or certain transactions, we may be contractually obligated to repurchase a mortgage loan or reimburse the investor for credit losses incurred on the loan as a remedy for servicing errors with respect to the loan. If we have increased repurchase obligations because of claims that we did not satisfy our obligations as a servicer, or increased loss severity on such repurchases, we may have a significant reduction to net servicing income within our mortgage banking noninterest income. We may incur costs if we are required to, or if we elect to, re-execute or re-file documents or take other action in our capacity as a servicer in connection with pending or completed foreclosures. We may incur litigation costs if the validity of a foreclosure action is challenged by a borrower. If a court were to overturn a foreclosure because of errors or deficiencies in the foreclosure process, we may have liability to the borrower and/or to any title insurer of the property sold in foreclosure if the required process was not followed. These costs and liabilities may not be legally or otherwise reimbursable to us. In addition, if certain documents required for a foreclosure action are missing or defective, we could be obligated to cure the defect or repurchase the loan. We may incur liability to securitization investors relating to delays or deficiencies in our processing of mortgage assignments or other documents necessary to comply with state law governing foreclosures. The fair value of our mortgage servicing rights may be negatively affected to the extent our servicing costs increase because of higher foreclosure costs. We may be subject to fines and other sanctions imposed by federal or state regulators as a result of actual or perceived deficiencies in our foreclosure practices or in the foreclosure practices of other mortgage loan servicers. Any of these actions may harm our reputation or negatively affect our home lending or servicing business.

We may be required to repurchase mortgage loans or indemnify buyers against losses in some circumstances, which could harm our liquidity, results of operations and financial condition.

When mortgage loans are sold, whether as whole loans or pursuant to a securitization, we are required to make customary representations and warranties to purchasers, guarantors and insurers, including the GSEs, about the mortgage loans and the manner in which they were originated. Whole loan sale agreements require repurchase or substitute mortgage loans, or indemnify buyers against losses, in the event we breach these representations or warranties. In addition, we may be required to repurchase mortgage loans as a result of early payment default of the borrower on a mortgage loan. If repurchase and indemnity demands increase and such demands are valid claims and are in excess of our provision for potential losses, our liquidity, results of operations and financial condition may be adversely affected.

Operational Risks

We are subject to losses due to errors, omissions or fraudulent behavior by our employees, clients, counterparties or other third parties.

We are exposed to many types of operational risk, including the risk of fraud by employees and third parties, clerical recordkeeping errors and transactional errors. Our business is dependent on our employees as well as third-party service providers to process a large number of increasingly complex transactions. We could be materially and adversely affected if employees, clients, counterparties or other third parties caused an operational breakdown or failure, either as a result of human error, fraudulent manipulation or purposeful damage to any of our operations or systems.

In deciding whether to extend credit or enter into other transactions with clients and counterparties, we may rely on information furnished to us by or on behalf of clients and counterparties, including financial statements and other financial information. We also may rely on representations of clients and counterparties as to the accuracy and completeness of that information and, with respect to financial statements, on reports of independent auditors. For example, in deciding whether to extend credit to clients, we may assume that a customer’s audited financial statements conform to GAAP and present

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fairly, in all material respects, the financial condition, results of operations and cash flows of the customer. Our earnings are significantly affected by our ability to properly originate, underwrite and service loans. Our financial condition and results of operations could be negatively impacted to the extent we incorrectly assess the creditworthiness of our borrowers, fail to detect or respond to deterioration in asset quality in a timely manner, or rely on financial statements that do not comply with GAAP or are materially misleading.

Fraud is a major, and increasing, operational risk for us and all banks.

Two traditional areas, deposit fraud (check kiting, wire fraud, etc.) and loan fraud, continue to be major sources of fraud attempts and loss. The sophistication and methods used to perpetrate fraud continue to evolve as technology changes. In addition to cybersecurity risk (discussed below), new technologies have made it easier for bad actors to obtain and use client personal information, mimic signatures and otherwise create false documents that look genuine. The industry fraud threat continues to evolve, including but not limited to card fraud, check fraud, social engineering and phishing attacks for identity theft and account takeover. Our anti-fraud measures are both preventive and, when necessary, responsive; however, some level of fraud loss is unavoidable, and the risk of a major loss cannot be eliminated.

Our ability to conduct and grow our businesses is dependent in part upon our ability to create, maintain, expand, and evolve an appropriate operational and organizational infrastructure, manage expenses, and recruit and retain personnel with the ability to manage a complex business.

Operational risk can arise in many ways, including: errors related to failed or inadequate physical, operational, information technology, or other processes; faulty or disabled computer or other technology systems; fraud, theft, physical security breaches, electronic data and related security breaches, or other criminal conduct by associates or third parties; and exposure to other external events. Inadequacies may present themselves in myriad ways. Actions taken to manage one risk may be ineffective against others. For example, information technology systems may be sufficiently redundant to withstand a fire, incursion, malware, or other major casualty, but they may be insufficiently adaptable to new business conditions or opportunities. Efforts to make systems more robust may make them less adaptable, and vice-versa. Also, our efforts to control expenses, which is a significant priority for us, increases our operational challenges as we strive to maintain client service and compliance at high quality and low cost.

We are exposed to the possibility of technology failure and a disruption in our operations may adversely affect our business.

We rely on our computer systems and the technology of outside service providers. Our daily operations depend on the operational effectiveness of their technology. We rely on our systems to accurately track and record our assets and liabilities. If our computer systems or outside technology sources become unreliable, fail, or experience a breach of security, our ability to maintain accurate financial records may be impaired, which could materially affect our business operations and financial condition. In addition, a disruption in our operations resulting from failure of transportation and telecommunication systems, loss of power, interruption of other utilities, natural disaster, fire, global climate changes, computer hacking or viruses, failure of technology, terrorist activity or the domestic and foreign response to such activity or other events outside of our control could have an adverse impact on the financial services industry as a whole and/or on our business. Our business recovery plan may not be adequate and may not prevent significant interruptions of our operations or substantial losses. The increased number of cyberattacks during the past few years has further heightened our attention to this risk. As such, we are continuously reviewing and implementing additional security controls and generally expanding our cybersecurity team to monitor and assist with the mitigation of this ever-increasing risk.

A failure in or breach of our operational or security systems or infrastructure, or those of our third-party vendors and other service providers or other third parties, including as a result of cyber-attacks, could disrupt our businesses, result in the disclosure or misuse of confidential or proprietary information, result in litigation or investigations, and damage our reputation, increase our costs and cause losses.

We rely heavily on communications and information systems to conduct our business. Information security risks for financial institutions such as ours have generally increased in recent years in part because of the proliferation of new technologies, the use of the internet and telecommunications technologies to conduct financial transactions, and the increased sophistication and activities of organized crime, hackers, terrorists, activists, and other external parties. As client, public, and regulatory expectations regarding operational and information security have increased, our operational systems and infrastructure must continue to be safeguarded and monitored for potential failures, disruptions, and breakdowns. Our business, financial, accounting and data processing systems, or other operating systems and facilities may stop operating properly or become disabled or damaged as a result of a number of factors, including events that are wholly or partially beyond our control. For example, there could be electrical or telecommunications outages; natural disasters such as

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earthquakes, tornadoes, and hurricanes; disease pandemics (such as the COVID-19 pandemic); events arising from local or larger scale political or social matters, including terrorist acts; and cyber-attacks.

As noted above, our business relies on our digital technologies, computer and email systems, software, and networks to conduct our operations. Although we have information security procedures and controls in place, our technologies, systems, networks, and our clients’ devices may become the target of cyberattacks or information security breaches that could result in the unauthorized release, gathering, monitoring, misuse, loss or destruction of our or our clients’ confidential, proprietary and other information, or otherwise disrupt our or our clients’ or other third parties’ business operations. Third parties with whom we do business or that facilitate our business activities, including financial intermediaries, or vendors that provide services or security solutions for our operations, and other third parties, could also be sources of operational and information security risk to us, including from breakdowns or failures of their own systems or capacity constraints.

During 2023, we were notified, by our vendor, Progress Software Corporation, of vulnerabilities in Progress Software’s MOVEit file transfer software the Bank utilizes for securely transferring sensitive and confidential information and other data, resulting in unauthorized parties likely gaining access to certain Bank customer data that included personally identifiable information. We publicly disclosed this breach and provided appropriate notifications to potentially impacted customers. While our business has not been materially impacted by these cybersecurity incidents, similar incidents could have a material adverse effect on our business in the future. See “Vendor Incident” in Item 1.C, of this Annual Report on Form 10-K.

While we have disaster recovery and other policies and procedures designed to prevent or limit the effect of the failure, interruption or security breach of our information systems, there can be no assurance that any such failures, interruptions or security breaches will not occur or, if they do occur, that they will be adequately addressed. Our risk and exposure to these matters remains heightened because of the evolving nature of these threats. As a result, cybersecurity and the continued development and enhancement of our controls, processes and practices designed to protect our systems, computers, software, data and networks from attack, damage or unauthorized access remain a focus for us. As threats continue to evolve, we may be required to expend additional resources to continue to modify or enhance our protective measures or to investigate and remediate information security vulnerabilities. Disruptions or failures in the physical infrastructure or operating systems that support our businesses and clients, or cyber-attacks or security breaches of the networks, systems or devices that our clients use to access our products and services could result in client attrition, regulatory fines, penalties or intervention, reputational damage, reimbursement or other compensation costs, and/or additional compliance costs, any of which could materially adversely affect our results of operations or financial condition.

Our risk management framework may not be effective in mitigating risks and/or losses.

We have implemented a risk management framework to mitigate our risk and loss exposure. This framework is comprised of various processes, systems and strategies, and is designed to identify, measure, monitor, report and manage the types of risk to which we are subject, including, among others, credit risk, interest rate risk, liquidity risk, legal and regulatory risk, compliance risk, strategic risk, cybersecurity risk, reputational risk and operational risk related to our employees, systems and vendors, among others. Any system of control and any system to reduce risk exposure, however well designed and operated, is based in part on certain assumptions and can provide only reasonable, not absolute, assurances that the objectives of the system are met and will be effective under all circumstances or that it will adequately identify, manage or mitigate any risk or loss to us. Additionally, instruments, systems and strategies used to hedge or otherwise manage exposure to various types of interest rate, price, legal and regulatory compliance, credit, liquidity, operational and business risks and enterprise-wide risk could be less effective than anticipated. As a result, we may not be able to effectively mitigate our risk exposures in particular market environments or against particular types of risk. If our risk management framework is not effective, we could suffer unexpected losses and become subject to litigation, negative regulatory consequences, or reputational damage among other adverse consequences, any of which could result in our business, financial condition, results of operations or prospects being materially adversely affected.

We are a community bank and our ability to maintain our reputation is critical to the success of our business and the failure to do so may materially adversely affect our performance.

We are a community bank, and our reputation is one of the most valuable components of our business. As such, we strive to conduct our business in a manner that enhances our reputation. This is done, in part, by recruiting, hiring and retaining employees who share our core values: being an integral part of the communities we serve; delivering superior service to our customers; and caring about our customers and associates. Damage to our reputation could undermine the confidence of our current and potential clients in our ability to provide financial services. Such damage could also impair the

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confidence of our counterparties and business partners, and ultimately affect our ability to effect transactions. Maintenance of our reputation depends not only on our success in maintaining our core values and controlling and mitigating the various risks described herein, but also on our success in identifying and appropriately addressing issues that may arise in areas such as potential conflicts of interest, anti-money laundering, client personal information and privacy issues, record-keeping, regulatory investigations and any litigation that may arise from the failure or perceived failure of us to comply with legal and regulatory requirements. If our reputation is negatively affected, by the actions of our employees or otherwise, our business and, therefore, our operating results may be materially adversely affected. Further, negative public opinion can expose us to litigation and regulatory action as we seek to implement our growth strategy, which could adversely affect our business, financial condition and results of operations.

We depend on our executive officers and other key employees, and our ability to attract additional key personnel, to continue the implementation of our long-term business strategy, and we could be harmed by the unexpected loss of their services.

We believe that our continued growth and future success will depend in large part on the skills of our executive officers and other key employees and our ability to motivate and retain these individuals, as well as our ability to attract, motivate and retain highly qualified senior and middle management and other skilled employees. Our business is primarily relationship-driven in that many of our key personnel have extensive customer or asset management relationships. Loss of key personnel with such relationships may lead to the loss of business if the customers were to follow that employee to a competitor or if asset management expertise was not replaced in a timely manner. Competition for employees is intense, and the process of locating key personnel with the combination of skills and attributes required to execute our business strategy may be lengthy. We may not be successful in retaining key personnel, and the unexpected loss of services of one or more of our key personnel could have a material adverse effect on our business because of their skill, knowledge of our primary markets, years of industry experience and the difficulty of promptly finding qualified replacement personnel.

In particular, the success of the proposed HomeStreet merger, if completed, will depend in part on the combined company’s ability to retain the talents and dedication of employees currently employed by HomeStreet. The consummation of the proposed HomeStreet merger will expand FirstSun’s market areas to include operations in Washington, California, Hawaii, Oregon and other smaller markets, and retaining HomeStreet personnel within such markets is important to the success of the integration of the operations and business of HomeStreet and the success of the combined company. It is possible that these employees may decide not to remain with HomeStreet or FirstSun while the proposed HomeStreet merger is pending or with the combined company after the proposed HomeStreet merger is consummated. If employees terminate their employment, or if an insufficient number of employees are retained to maintain effective operations, the combined company’s business activities may be adversely affected and management’s attention may be diverted from successfully integrating HomeStreet to hiring suitable replacements, all of which may cause the combined company’s business to suffer. In addition, FirstSun may not be able to locate suitable replacements for any such employees who leave the combined company, or to offer employment to potential replacements on reasonable terms. Further, FirstSun’s lack of operating experience in HomeStreet’s existing markets may adversely impact the combined company’s ability to successfully compete in such market areas without retaining HomeStreet’s employees.

If the services of any of our key personnel should become unavailable for any reason, we may not be able to identify and hire qualified persons on terms acceptable us, or at all, which could have a material adverse effect on our business, financial condition, results of operation and future prospects.

We are subject to environmental and climate change risks.

We own certain of our properties, and a significant portion of our loan portfolio is secured by real property. During the ordinary course of business, we may foreclose on and take title to properties securing certain loans. As a result, we could be subject to environmental liabilities with respect to these properties. If hazardous or toxic substances are found, we may be liable for remediation costs, as well as for personal injury and property damage. Environmental laws may require us to incur substantial expenses and may materially reduce the affected property’s value or limit our ability to use or sell the affected property. In addition, future laws or more stringent interpretations or enforcement policies with respect to existing laws may increase our exposure to environmental liability. Although we have policies and procedures to obtain an environmental study during the underwriting process for certain commercial real estate loan originations and to perform an environmental review before initiating any foreclosure action on real property, these reviews may not be sufficient to detect all potential environmental hazards. The remediation costs and any other financial liabilities associated with an environmental hazard could have a material adverse effect on our business financial condition and results of operations.

In addition, we are subject to the growing risk of climate change. See Climate Risks in this Item 1A of this report.

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Industry-Related Risks

We are exposed to the possibility that more prepayments may be made by customers to pay down loan balances, which could reduce our interest income and profitability.

Prepayment rates stem from consumer behavior, conditions in the housing and financial markets, general U.S. economic conditions, and the relative interest rates on fixed-rate and adjustable-rate loans. Therefore, changes in prepayment rates are difficult to predict. Recognition of deferred loan origination costs and premiums paid in originating these loans are normally recognized over the contractual life of each loan. As prepayments occur, the rate at which net deferred loan origination costs and premiums are expensed will accelerate. The effect of the acceleration of deferred costs and premium amortization may be mitigated by prepayment penalties paid by the borrower when the loan is paid in full within a certain period of time, which varies between loans. If prepayment occurs after the period of time when the loan is subject to a prepayment penalty, the effect of the acceleration of premium and deferred cost amortization is no longer mitigated. We recognize premiums paid on mortgage-backed securities as an adjustment from interest income over the expected life of the security based on the rate of repayment of the securities. Acceleration of prepayments on the loans underlying a mortgage-backed security shortens the life of the security, increases the rate at which premiums are expensed and further reduces interest income. We may not be able to reinvest loan and security prepayments at rates comparable to the prepaid instrument particularly in a period of declining interest rates.

We could experience a loss due to competition with other financial institutions.

We face substantial competition in all areas of our operations from a variety of different competitors, both within and beyond our principal markets, many of which are larger and may have more financial resources than us. Such competitors primarily include national, super-regional, and internet banks within the various markets in which we operate. We also face competition from many other types of financial institutions, including, without limitation, savings and loans, credit unions, finance companies, brokerage firms, insurance companies, and other financial intermediaries. The financial services industry could become even more competitive as a result of legislative and regulatory changes and continued consolidation. In addition, as customer preferences and expectations continue to evolve, technology has lowered barriers to entry and made it possible for nonbanks to offer products and services traditionally provided by banks, such as automatic transfer and automatic payment systems. Many of our competitors have fewer regulatory constraints and may have lower cost structures. Additionally, due to their size, many competitors may be able to achieve economies of scale and, as a result, may offer a broader range of products and services as well as better pricing for those products and services than we can.

Our ability to compete successfully depends on a number of factors, including, among other things:

•our ability to develop, maintain, and build upon long‑term customer relationships based on top quality service, high ethical standards, and safe and sound assets;

•our ability to expand our market position;

•the scope, relevance, and pricing of the products and services we offer to meet our customers’ needs and demands;

•the rate at which we introduce new products and services relative to our competitors;

•customer satisfaction with our level of service; and

•industry and general economic trends.

Failure to perform in any of these areas could significantly weaken our competitive position, making it more difficult to attract new and retain existing clients and our net interest margin, net interest income and wealth management fees could decline, which would adversely affect our results of operations and could cause us to incur losses in the future.

In addition, our ability to successfully attract and retain wealth management clients is dependent on our ability to compete with competitors’ investment products, level of investment performance, client services and marketing and distribution capabilities. If we are not successful in attracting new and retaining existing clients, our business, financial condition, results of operations and prospects may be materially and adversely affected.

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Consumers may decide not to use banks to complete their financial transactions.

Technology and other changes are allowing parties to complete financial transactions through alternative methods that historically have involved banks. For example, consumers can now maintain funds that would have historically been held as bank deposits in brokerage accounts, mutual funds or general-purpose reloadable prepaid cards. Consumers can also complete transactions such as paying bills and/or transferring funds directly without the assistance of banks. The process of eliminating banks as intermediaries, known as “disintermediation,” could result in the loss of fee income, as well as the loss of customer deposits and the related income generated from those deposits. The loss of these revenue streams and the lower cost of deposits as a source of funds could have a material adverse effect on our financial condition and results of operations.

Failure to keep pace with technological change could adversely affect our business.

The financial services industry is continually undergoing rapid technological change with frequent introductions of new technology-driven products and services. The effective use of technology increases efficiency and enables financial institutions to better serve customers and to reduce costs. Our future success depends, in part, upon our ability to address the needs of our customers by using technology to provide products and services that will satisfy customer demands, as well as to create additional efficiencies in our operations. Many of our competitors have substantially greater resources to invest in technological improvements. We may not be able to effectively implement new technology-driven products and services or be successful in marketing these products and services to our customers. Failure to successfully keep pace with technological change affecting the financial services industry could have a material adverse impact on our business, financial condition and results of operations.

Through technological innovations and changes in client habits, the manner in which clients use financial services continues to change at a rapid pace.

We provide a large number of services remotely (online and mobile), and physical branch utilization has been in long-term decline throughout the industry for many years. Technology has helped us reduce costs and improve service, but also has weakened traditional geographic and relationship ties, and has allowed disruptors to enter traditional banking areas. Through digital marketing and service platforms, many banks are making client inroads unrelated to physical presence. This competitive risk is especially pronounced from the largest U.S. banks, and from online-only banks, due in part to the investments they are able to sustain in their digital platforms. Companies as disparate as PayPal and Starbucks provide payment and exchange services which compete directly with banks in ways not possible traditionally. Recently, some government leaders have discussed having the U.S. Post Office offer banking services.

The nature of technology-driven disruption to our industry is changing, in some cases seeking to displace traditional financial service providers rather than merely enhance traditional services or their delivery.

A number of recent technologies have worked with the existing financial system and traditional banks, such as the evolution of ATM cards into debit/credit cards and the evolution of debit/credit cards into smart phones. These sorts of technologies often have expanded the market for banking services overall while siphoning a portion of the revenues from those services away from banks and disrupting prior methods of delivering those services. Additionally, some recent innovations may tend to replace traditional banks as financial service providers rather than merely augmenting those services. For example, companies which claim to offer applications and services based on artificial intelligence are beginning to compete much more directly with traditional financial services companies in areas involving personal advice, including high-margin services such as financial planning and wealth management. The low-cost, high-speed nature of these “robo-advisor” services can be especially attractive to younger, less-affluent clients and potential clients, as well as persons interested in “self-service” investment management. Other industry changes, such as zero-commission trading offered by certain large firms able to use trading as a loss-leader, may amplify this trend. Similarly, inventions based on blockchain technology eventually may be the foundation for greatly enhancing transactional security throughout the banking industry, but also eventually may reduce the need for banks as secure deposit-keepers and intermediaries.

We may be adversely affected by the lack of soundness of other financial institutions.

Financial services institutions are interrelated as a result of trading, clearing, counterparty, or other relationships. We have exposure to many different industries and counterparties, and routinely execute transactions with counterparties in the financial services industry, including commercial banks, brokers and dealers, investment banks, and other institutional clients. Many of these transactions expose us to credit risk in the event of a default by a counterparty or client. In addition, our credit risk may be exacerbated when the collateral held by us cannot be realized or is liquidated at prices not sufficient

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to recover the full amount of the credit or derivative exposure due to us. Any such losses could have a material adverse effect on our financial condition and results of operations.

The value of securities in our investment portfolio may decline in the future.

As of December 31, 2023, we had a carrying amount of $553.7 million of investment securities. The fair value of our investment securities may be adversely affected by market conditions, including changes in interest rates, and the occurrence of any events adversely affecting the issuer of particular securities in our investments portfolio. We analyze our securities on a quarterly basis to determine if an expected credit loss has occurred. The process for determining whether a credit loss has occurred usually requires complex, subjective judgments about the future financial performance of the issuer in order to assess the probability of receiving all contractual principal and interest payments on the security. Because of changing economic and market conditions affecting issuers, we may be required to recognize expected credit losses on our securities in future periods, which could have a material adverse effect on our business, financial condition or results of operations.

Our deposit insurance premiums could be higher in the future, which could have an adverse effect on our future earnings.

The FDIC insures deposits at FDIC-insured depository institutions, such as Sunflower Bank, up to the maximum federal deposit insurance level per account. Our regular assessments are based on its average consolidated total assets minus average tangible equity as well as by risk classification, which includes regulatory capital levels and the level of supervisory concern. In addition to ordinary assessments described above, the FDIC has the ability to impose special assessments in certain instances. If the proposed merger with HomeStreet is completed, we will have more than $10 billion in assets and will be subject to a modified methodology for calculating FDIC insurance assessments and potentially higher assessment rates as a result of institutions with $10 billion or more in assets being required to bear a greater portion of the cost of achieving the DIF minimum reserve ratio of 1.35% as required by the Dodd-Frank Act.

We are generally unable to control the amount of premiums that we are required to pay for FDIC insurance. If there are additional bank or financial institution failures, we may be required to pay even higher FDIC premiums. Also, if our financial condition deteriorates or if the bank regulators otherwise have supervisory concerns about us, then our assessments could rise. Any future additional assessments, increases or required prepayments in FDIC insurance premiums could reduce our profitability, may limit our ability to pursue certain business opportunities, or otherwise negatively impact our operations.

Capital and Liquidity Risks

We may be exposed to a need for additional capital resources in the future and these capital resources may not be available when needed or at all.

We may need to incur additional debt or equity financing in the future to make strategic acquisitions or investments or to strengthen our capital position. Our ability to raise additional capital, if needed, will depend on, among other things, conditions in the capital markets at that time, which are outside of our control and our financial performance. Accordingly, we cannot provide assurance that such financing will be available to us on acceptable terms or at all. If we cannot raise additional capital when needed, our ability to further expand our operations through internal growth and acquisitions could be materially impaired. In addition, if we decide to raise additional equity capital, our current stockholders’ interests could be diluted.

In connection with our entry into the HomeStreet merger agreement, FirstSun issued 2,461,538 shares of our common stock to certain institutional investors in a private placement that closed on January 17, 2024. FirstSun is also contractually obligated, concurrently with and subject to the closing of the proposed HomeStreet merger, to issue to those institutional investors warrants (which we refer to as the “Warrants”) to purchase approximately 1.15 million shares of FirstSun common stock with such Warrants having an initial exercise price of $32.50 per share. The Warrants will carry a term of three years. In the event the proposed HomeStreet merger is not consummated, no Warrants will be issued. Concurrently with our entry into the HomeStreet merger agreement, FirstSun entered into an acquisition finance securities purchase agreement with certain institutional investors (the “Acquisition Finance Securities Purchase Agreement”). Pursuant to the Acquisition Finance Securities Purchase Agreement, on the terms and subject to the conditions set forth therein, substantially concurrently with, and subject to, the closing of the proposed HomeStreet merger, certain institutional investors will invest an aggregate of $95 million in exchange for the sale and issuance, at a purchase price of $32.50 per share, of approximately 2.92 million shares of FirstSun common stock. We may need to incur additional debt or equity

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financing in the future in connection with strategic acquisitions, including the proposed HomeStreet merger, or investments or to strengthen our capital position.

Liquidity, primarily through deposits, is essential to our business model and a lack of liquidity, or an increase in the cost of liquidity could materially impair our ability to fund our operations and jeopardize our results of operation, financial condition and cash flows.

Liquidity represents an institution’s ability to provide funds to satisfy demands from depositors, borrowers and other creditors by either converting assets into cash or accessing new or existing sources of incremental funds. Liquidity risk arises from the possibility that we may be unable to satisfy current or future funding requirements and needs.

Deposit levels may be affected by several factors, including rates paid by competitors, general interest rate levels, returns available to customers on alternative investments, customers seeking to maximize deposit insurance by limiting their deposits at a single financial institution to the maximum federal deposit insurance level, general economic and market conditions and other factors. Loan repayments are a relatively stable source of funds but are subject to the borrowers’ ability to repay loans, which can be adversely affected by a number of factors including changes in general economic conditions, adverse trends or events affecting business industry groups or specific businesses, declines in real estate values or markets, business closings or lay-offs, inclement weather, natural disasters and other factors. Furthermore, loans generally are not readily convertible to cash.

From time to time, if deposits and loan payments are not sufficient to meet our needs, we may be required to rely on secondary sources of liquidity to meet growth in loans, deposit withdrawal demands or otherwise fund operations. Such secondary sources include FHLB advances, brokered deposits, secured and unsecured federal funds lines of credit from correspondent banks, Federal Reserve borrowings and/or accessing the equity or debt capital markets. The availability of these secondary funding sources is subject to broad economic conditions, to regulation and to investor assessment of our financial strength and, as such, the cost of funds may fluctuate significantly and/or the availability of such funds may be restricted, thus impacting our net interest income, our immediate liquidity and/or our access to additional liquidity. Additionally, if we fail to remain “well-capitalized” our ability to utilize brokered deposits may be restricted. We have somewhat similar risks to the extent high balance core deposits exceed the amount of deposit insurance coverage available.

We anticipate we will continue to rely primarily on deposits, loan repayments, and cash flows from our investment securities to provide liquidity. Additionally, when necessary, the secondary sources of borrowed funds described above will be used to augment our primary funding sources. During 2023, the Federal Reserve announced the creation of a new Bank Term Funding Program in an effort to minimize the need for banks to sell securities at a loss in times of stress. The Federal Reserve has announced that it will cease making new advances under this program after March 11, 2024. An inability to maintain or raise funds (including the inability to access secondary funding sources) in amounts necessary to meet our liquidity needs would have a substantial negative effect, individually or collectively, on our liquidity. Our access to funding sources in amounts adequate to finance our activities, or on terms attractive to us, could be impaired by factors that affect us specifically or the financial services industry in general. For example, factors that could detrimentally impact our access to liquidity sources include our financial results, a decrease in the level of our business activity due to a market downturn or adverse regulatory action against us, a reduction in our credit rating, any damage to our reputation, counterparty availability, changes in the activities of our business partners, changes affecting our loan portfolio or other assets, or any other event that could cause a decrease in depositor or investor confidence in our creditworthiness and business. Those factors may lead to depositors withdrawing their deposits or creditors limiting our borrowings. Our access to liquidity could also be impaired by factors that are not specific to us, such as general business conditions, interest rate fluctuations, severe volatility or disruption of the financial markets, bank closures or negative views and expectations about the prospects for the financial services industry as a whole, or legal, regulatory, accounting, and tax environments governing our funding transactions. In addition, our ability to raise funds is strongly affected by the general state of the U.S. and world economies and financial markets as well as the policies and capabilities of the U.S. government and its agencies, and may remain or become increasingly difficult due to economic and other factors beyond our control. Any such event or failure to manage our liquidity effectively could affect our competitive position, increase our borrowing costs and the interest rates we pay on deposits, limit our access to the capital markets and have a material adverse effect on our results of operations or financial condition.

We may not be able to maintain a strong core deposit base or access other low-cost funding sources.

We rely on bank deposits to be a low cost and stable source of funding. In addition, our future growth will largely depend on our ability to maintain and grow a strong core deposit base. If we are unable to continue to attract and retain core deposits, to obtain third-party financing on favorable terms, or to have access to interbank or other liquidity sources, we

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may not be able to grow our assets as quickly. We compete with banks and other financial services companies for deposits. If our competitors raise the rates they pay on deposits in response to interest rate changes initiated by the Federal Reserve or for other reasons of their choice, our funding costs may increase, either because we raise our rates to retain deposits or because of deposit outflows that require us to rely on more expensive sources of funding. In addition, we could experience deposit outflows as a result of depositors seeking to maximize deposit insurance by limiting their deposits at a single financial institution to the maximum federal deposit insurance level. Inflation and higher interest rates, along with monetary events, can cause some of our business customers who have greater operating cash needs to reduce their deposit balances with us. Higher funding costs could reduce our net interest margin and net interest income. Any decline in available funding could adversely affect our ability to continue to implement our business strategy which could have a material adverse effect on our liquidity, business, financial condition and results of operations.

Deposits traditionally have provided our most affordable funds and by far the largest portion of funding. However, deposit trends can shift with economic conditions.

If interest rates fall, deposit levels in our Bank might fall, perhaps fairly quickly if a tipping point is reached, as depositors become more comfortable with risk and seek higher returns in other vehicles. Further, if interest rates remain high, our competitors, which include other banks and non-banks, may raise interest rates for deposits materially and our depositors may move their funds to other institutions, a process which has become easier with advances in technology and operations. These circumstances could result in material changes in deposit levels over relatively short time periods, and they could pressure us to raise interest we pay on our deposits, which could shrink our net interest margin if loan rates do not rise correspondingly.

Risks Related to Strategic Plans

We may be adversely affected by risks associated with mergers and acquisitions, including execution risk, which could disrupt our business and dilute stockholder value.

In accordance with our strategic plan, we evaluate opportunities to acquire other banks and branch locations, as well as other fee generating lines of business, such as fee based advisory and trust services. As a result, we may engage in mergers, acquisitions and other transactions that could have a material effect on our operating results and financial condition, including short and long‑term liquidity.

Our merger and acquisition activities could be material and could require us to issue a significant number of shares of our common stock or other securities and/or to use a substantial amount of cash, other liquid assets, and/or incur debt.

Our merger and acquisition activities, including our proposed merger with HomeStreet, could involve a number of additional risks, including the risks of:

•the possibility that the expected benefits of a transaction, including cost savings, may not materialize in the timeframe expected or at all, or may be costlier to achieve;

•the incurrence and possible impairment of goodwill and other intangible assets associated with an acquisition or merger and possible adverse short-term effects on our results of operations;

•the occurrence of a change in the interest rate environment, including the magnitude and duration of interest rate changes, which could adversely affect both ours and HomeStreet’s revenue and expenses, value of assets and obligations, and the availability and cost of capital and liquidity, along with the consummation of the merger;

•incurring the time and expense associated with identifying, evaluating and negotiating with potential merger or acquisition targets and with seeking to complete and preparing for integration with proposed mergers or acquisitions;

•our inability to obtain regulatory and other approvals necessary to consummate mergers, acquisitions or other expansion activities, or the risk that such regulatory approvals are delayed, impeded, or conditioned due to existing or new regulatory issues surrounding us, the target institution or the proposed combined entity as a result of, among other things, issues related to anti-money laundering/Bank Secrecy Act compliance, fair lending laws, fair housing laws, consumer protection laws, unfair, deceptive or abusive acts or practices regulations, or the Community Reinvestment Act;

•diversion of our management’s attention to the negotiation of a transaction, and the integration of the operations and personnel of the combining businesses;

•the inability to obtain alternative capital in the event it becomes necessary to complete the proposed merger;

•our estimates and judgments used to evaluate financial performance, credit, asset values, operations, management and market risks with respect to the acquired or merged company may not be accurate;

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•the ability to develop and maintain a strong core deposit base or other low cost funding sources necessary to fund ours and HomeStreet’s activities, particularly in a rising or high interest rate environment;

•potential exposure to unknown or contingent liabilities of the acquired or merged company;

•difficulty or unanticipated expense associated with converting the operating systems of, and otherwise integrating the business of, the acquired or merged company into ours;

•the possibility that we will be unable to successfully implement integration strategies, due to challenges associated with integrating complex systems, technology, banking centers, and other assets of the acquired or merged company in a manner that minimizes any adverse effect on customers, suppliers, employees, and other constituencies;

•delays in completing or failure to complete a merger or acquisition due to litigation, closing conditions or the regulatory approval process;

•the possibility that a proposed acquisition or merger may not be timely completed, if at all;

•creating an adverse short‑term effect on our results of operations; and

•the possible loss of our key employees and customers or those of the acquired or merged company.

If we do not successfully manage these risks, our merger and acquisition activities could have a material adverse effect on our business, financial condition, and results of operations, including short-term and long‑term liquidity, our ability to successfully implement our strategic plan and our stock price.

We may issue stock or equity derivative securities in connection with mergers and acquisitions that will dilute the percentage ownership and voting percentage interest of our existing stockholders and result in our existing stockholders exercising less influence over management, and such issuances may reduce the book value or earnings per share of our common stock, cause the price of our common stock to decline and adversely affect the terms on which we may obtain additional capital.

We may issue stock or equity derivative securities in connection with mergers and acquisitions that will dilute the percentage ownership and voting percentage interest of our existing stockholders and result in our existing stockholders exercising less influence over management, and such issuances may reduce the book value or earnings per share of our common stock, cause the price of our common stock to decline and adversely affect the terms on which we may obtain additional capital.

If the proposed HomeStreet merger is completed, holders of FirstSun common stock will have a reduced ownership and voting interest in the combined company and will exercise less influence over management. If the proposed HomeStreet merger is completed, each HomeStreet shareholder and equity award holder who receives shares of FirstSun common stock will become a FirstSun stockholder. Based on the number of shares of HomeStreet common stock and HomeStreet equity awards outstanding as of the date of the merger agreement, the total number of shares of FirstSun common stock estimated to be issued to holders of HomeStreet common stock and equity awards in connection with, and subject to, the completion of the merger is approximately 8.44 million shares. In addition, FirstSun is also obligated, substantially concurrently with the closing of the proposed HomeStreet merger, to issue to certain institutional investors Warrants (having an initial exercise price of $32.50 per share, and a term of three years) to purchase approximately 1.15 million shares of FirstSun common stock and to issue to certain institutional investors approximately 2.92 million shares of FirstSun common stock at a purchase price of $32.50 per share. Based on the number of shares of FirstSun and HomeStreet common stock outstanding as of the close of business on March 6, 2024, and based on the number of shares of FirstSun common stock estimated to be issued to holders of HomeStreet common stock and equity awards in the proposed HomeStreet merger and, in connection the closing of the merger, expected to be issued pursuant to the Acquisition Finance Securities Purchase Agreement, the former holders of HomeStreet common stock and equity awards, as a group, are estimated to own approximately 22% of the outstanding common shares of the combined company immediately after completion of the proposed HomeStreet merger, and the holders of FirstSun common stock, as a group, immediately prior to the HomeStreet merger, including and together with the institutional investors that purchase shares of FirstSun common stock pursuant to the Acquisition Finance Securities Purchase Agreement in connection with the completion of the HomeStreet merger, are estimated to own approximately 78% of the outstanding shares of the combined company immediately after completion of the proposed HomeStreet merger (assuming no exercise of FirstSun stock options prior to the closing of the HomeStreet merger, and excluding shares issuable upon exercise of the FirstSun stock options and the Warrants). And because of this, if the proposed the HomeStreet merger is completed, FirstSun stockholders may have less influence than they now have the management and policies of FirstSun.

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Future mergers and acquisitions may be delayed, impeded, or prohibited due to regulatory issues.

Our mergers and acquisitions, including our proposed merger with HomeStreet, are subject to approval by a variety of federal and state regulatory agencies. The process for obtaining these required regulatory approvals has become substantially more difficult in recent years. Regulatory approvals could be delayed, impeded, restrictively conditioned or denied due to existing or new regulatory issues we or the target company has, or may have, with regulatory agencies, including, without limitation, issues related to adverse public comments to merger applications, anti-money laundering/Bank Secrecy Act compliance, fair lending laws, fair housing laws, consumer protection laws, unfair, deceptive, or abusive acts or practices regulations, Community Reinvestment Act issues, anti-trust issues, and other similar laws and regulations. We may fail to pursue, evaluate or complete strategic and competitively significant acquisition opportunities as a result of our inability, or perceived or anticipated inability, to obtain regulatory approvals in a timely manner, under reasonable conditions or at all. Difficulties associated with potential mergers and acquisitions that may result from these factors could have a material adverse effect on our business, and, in turn, our financial condition and results of operations.

We face risks and uncertainties related to our proposed merger with HomeStreet.

Before the transactions contemplated in the merger agreement can be completed, various approvals must be obtained, including approval of the Federal Reserve and the Office of the Comptroller of the Currency. The terms and conditions of the approvals that are granted may impose conditions, limitations, obligations or costs, or place restrictions on the conduct of the combined company’s business or require changes to the terms of the transactions contemplated by the merger agreement. There can be no assurance that regulators will not impose any such conditions, limitations, obligations or restrictions and that such conditions, limitations, obligations or restrictions will not have the effect of delaying the completion of any of the transactions contemplated by the merger agreement, imposing additional material costs on or materially limiting the revenues of the combined company following the merger or otherwise reduce the anticipated benefits of the merger if the merger were consummated successfully within the expected timeframe. In addition, there can be no assurance that any such conditions, terms, obligations or restrictions will not result in the delay or abandonment of the merger.

If the proposed HomeStreet merger is completed, HomeStreet’s business, financial condition (including the value of its assets and liabilities), liquidity and results of operations, and our ability to successfully implement strategies to integrate HomeStreet’s business into FirstSun, will be of major significance with respect to the combined company and may materially impact the value of FirstSun common stock. HomeStreet’s total assets and total liabilities of approximately $9.4 billion and $8.9 billion, respectively, as of December 31, 2023, exceeded FirstSun’s total assets and total liabilities of approximately $7.9 billion and $7.0 billion, respectively, as of that date. If the proposed HomeStreet merger is completed, among other things, the net interest income, assets, such as securities and loans, and economic value of equity of the combined company are expected to have different sensitivities to changes in interest rates than the current sensitivities of net interest income, assets, such as securities and loans, and economic value of equity of FirstSun independently to changes in interest rates, which will present risks that are different from and in addition to those currently affecting FirstSun. Additionally, HomeStreet’s business and operations differ from FirstSun’s, and, if completed, the proposed HomeStreet merger will expand FirstSun’s market areas to include operations in Washington, California, Hawaii, Oregon and other smaller markets, which presents challenges and risk with respect to the integration of the operations and business of HomeStreet into FirstSun.

FirstSun and HomeStreet have operated and, until the completion of the merger, will continue to operate independently. There can be no assurances that the businesses of FirstSun and HomeStreet can be integrated successfully. It is possible that the integration process could result in the loss of key FirstSun employees or key HomeStreet employees, the loss of customers, the disruption of either company’s or both companies’ ongoing businesses, inconsistencies in standards, controls, procedures and policies, unexpected integration issues, higher than expected integration costs and an overall post-completion integration process that takes longer than originally anticipated. The success of the merger will depend on, among other things, the ability of FirstSun and HomeStreet to combine their businesses in a manner that facilitates growth opportunities and realizes cost savings. However, if the combined company is not able to successfully achieve these objectives, the anticipated benefits of the merger may not be realized fully, or at all, or may take longer to realize than expected.

In addition, the merger agreement contains provisions that restrict each of FirstSun’s and HomeStreet’s ability to, among other things, initiate, solicit, knowingly encourage or knowingly facilitate, inquiries or proposals with respect to, or, subject to certain exceptions generally related to its board of directors’ exercise of its fiduciary duties, engage in any negotiations concerning, or provide any confidential information relating to, any alternative acquisition proposals. These provisions, which include a $10.0 million termination fee payable under certain circumstances, might discourage a potential competing

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acquirer that might have an interest in acquiring all or a significant part of FirstSun from considering or proposing that acquisition, or might result in a potential competing acquirer proposing to pay a lower per share price to acquire FirstSun than it might otherwise have proposed to pay.

Failure to complete our proposed merger with HomeStreet could negatively impact our business, financial results and stock price. If we complete the proposed HomeStreet merger but do not successfully manage the risks associated with the proposed HomeStreet merger, the proposed HomeStreet merger could have a material adverse effect on our business, financial condition, and results of operations, including short-term and long‑term liquidity, our ability to successfully implement our strategic plan and our stock price.

If HomeStreet shareholders exercise dissenters’ rights and the proposed HomeStreet merger is completed, FirstSun may incur significant additional costs.

HomeStreet shareholders are entitled to exercise dissenters’ rights in connection with the proposed HomeStreet merger. If the proposed HomeStreet merger is completed, a HomeStreet shareholder who has complied with applicable requirements under the merger agreement and Chapter 23B.13 of the Washington Business Corporation Act may dissent and require FirstSun to pay in cash the appraised value of such shareholders’ dissenting shares instead of the merger consideration. FirstSun cannot predict the number of shares of HomeStreet common stock that may constitute dissenting shares, the amount of cash that FirstSun may be required to pay following the completion of the proposed HomeStreet merger with respect to the dissenting shares, or the expenses that FirstSun may incur in connection with the appraisal process. However, if the proposed HomeStreet merger is completed, FirstSun payments with respect to the dissenting shares and FirstSun expenses in connection with the dissent and potential appraisal process may negatively impact FirstSun’s liquidity and capital, which could adversely affect our business, stock price, financial condition, and results of operations, including short-term and long‑term liquidity, our ability to successfully close the merger, our ability to implement our strategic plan, and could also result in FirstSun taking steps to strengthen its liquidity or capital position, including by issuing additional stock or equity derivative securities.

We expect to incur substantial expenses related to the proposed HomeStreet merger.

We expect to incur substantial expenses in connection with completing the proposed HomeStreet merger and combining the business, operations, networks, systems, technologies, policies and procedures of FirstSun and those of HomeStreet. Although we have assumed that a certain level of transaction and combination expenses would be incurred, there are a number of factors beyond their control that could affect the total amount or the timing of combination expenses. Many of the expenses that will be incurred, by their nature, are difficult to estimate accurately at the present time. Due to these factors, the transaction and combination expenses associated with the proposed HomeStreet merger could, particularly in the near term, exceed the savings that the combined company expects to achieve from the elimination of duplicative expenses and the realization of economies of scale and cost savings related to the combination of the businesses following the completion of the proposed HomeStreet merger.

In addition, before completing the proposed HomeStreet merger, we will incur or have incurred substantial expenses in connection with the negotiation and completion of the transactions contemplated by the HomeStreet merger agreement. In preparation for the consummation of the proposed HomeStreet merger, we will also incur the additional costs and expenses of preparing and filing a merger registration statement with the SEC, printing and mailing the proxy statement/prospectus to solicit HomeStreet shareholder approval of the merger proposal, and all filing and other fees expected to be paid to the SEC, bank regulatory authorities and other governmental agencies in connection with the proposed HomeStreet merger. If the proposed HomeStreet merger is not completed, FirstSun would have to recognize these expenses without realizing the anticipated benefits of the proposed HomeStreet merger.

If our proposed merger with HomeStreet is not completed for any reason, our ongoing business may be adversely affected, and, without realizing any of the benefits of having completed the merger, we will be subject to a number of risks, including the following:

•we may be required, under certain circumstances, to pay HomeStreet a termination fee of $10.0 million under the merger agreement;

•we will be required to pay certain costs relating to the merger, whether or not the merger is completed, such as legal, accounting, financial advisor and printing fees;

•the merger agreement places certain restrictions on the conduct of both FirstSun’s and HomeStreet’s business prior to completion of the merger, which may adversely affect our ability to execute certain of our business strategies; and

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•matters relating to the merger may require substantial commitments of time and resources by our management, which could otherwise have been devoted to other opportunities that may have been beneficial to us, as an independent company.

In addition, if the merger is not completed, we may experience negative reactions from the financial markets and from our customers and employees. For example, we may be impacted adversely by the failure to pursue other beneficial opportunities due to the focus of management on the merger, without realizing any of the anticipated benefits of completing the merger. The market price of our common stock could decline to the extent that the current market prices reflect a market assumption that the merger will be completed. We also could be subject to litigation related to the proposed merger, any failure to complete the merger or to proceedings commenced against us to perform our obligations under the merger agreement. If the merger is not completed, we cannot assure you that the risks described above will not materialize and will not materially affect our business, financial results and stock price.

Additional growth will subject FirstSun to additional regulation, increased supervision and increased costs.

The Dodd-Frank Act imposes additional regulatory requirements on institutions with $10 billion or more in assets. We had $7.88 billion in assets as of December 31, 2023. If the pending merger with HomeStreet is completed, then FirstSun expects to have more than $15 billion in assets and, as a result, will be subject to the additional regulatory requirements, increased supervision and increased costs, including the following:

•Supervision, examination and enforcement by the CFPB with respect to consumer financial protection laws;

•A different methodology for calculating FDIC insurance assessments and potentially higher assessment rates for institutions with $10 billion or more in assets;

•If we exceed $15 billion in assets through an acquisition (or make an acquisition after exceeding $15 billion in assets through organic growth), then our trust preferred securities will be excluded from Tier 1 capital and instead included in Tier 2 capital; and if the proposed HomeStreet merger is completed, we expect to have more than $15 billion in assets, and therefore any trust preferred securities of the combined company will be excluded from Tier 1 capital and instead included in Tier 2 capital (as of December 31, 2023, FirstSun had approximately $13.9 million in trust preferred securities and HomeStreet had approximately $62 million in trust preferred securities);

•Heightened compliance standards under the Volcker Rule;

•Enhanced supervision as a larger financial institution; and

•Under the Durbin Amendment to the Dodd-Frank Act, institutions with $10 billion or more in assets are subject to a cap on the interchange fees that may be charged in certain electronic debit and prepaid card transactions.

The imposition of these regulatory requirements and increased supervision may require additional commitment of financial resources to regulatory compliance and may increase FirstSun’s cost of operations.

Failure to achieve one or more key elements needed for successful organic growth could adversely affect our business and earnings.

There are a number of risks to the successful execution of our organic growth strategy that could result in a material and adverse effect upon our results of operation and financial condition. These risks include, without limitation, the following:

•our inability to attract and retain clients in our banking market areas;

•our inability to achieve and maintain growth in our earnings while pursuing new business opportunities;

•our inability to maintain a high level of client service while optimizing our physical branch count due to changing client demand, all while expanding our remote banking services and expanding or enhancing our information processing, technology, compliance, and other operational infrastructures effectively and efficiently;

•our inability to maintain loan quality in the context of significant loan growth;

•our inability to attract or maintain sufficient deposits and capital to fund anticipated loan growth;

•our inability to maintain adequate common equity and regulatory capital while managing the liquidity and capital requirements associated with growth, especially organic growth and cash-funded acquisitions;

•our inability to hire or retain adequate management personnel and systems to oversee and support such growth;

•our inability to implement additional policies, procedures and operating systems required to support our growth; and

•our inability to manage effectively and efficiently the changes and adaptations necessitated by a complex, burdensome, and evolving regulatory environment.

Although we have in place strategies designed to achieve those elements that are significant to us at present, our challenge is to execute those strategies and adjust them, or adopt new strategies, as conditions change.

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New lines of business or new products and services may subject us to additional risk.

From time to time, we may implement new lines of business or offer new products and services within existing lines of business. There are substantial risks and uncertainties associated with these efforts, particularly in instances where the markets are not fully developed. In developing and marketing new lines of business and/or new products and services, we may invest significant time and resources. Initial timetables for the introduction and development of new lines of business and/or new products or services may not be achieved and price and profitability targets may not prove feasible. External factors, such as compliance with regulations, competitive alternatives, and shifting market preferences, may also impact the successful implementation of a new line of business and/or a new product or service. Furthermore, any new line of business and/or new product or service could have a significant impact on the effectiveness of our system of internal controls. Failure to successfully manage these risks in the development and implementation of new lines of business and/or new products or services could have a material adverse effect on our business, financial condition and results of operations.

Risks Related to Public Health Issues

Outbreaks of communicable diseases, including COVID-19 and its variants, have led to periods of significant volatility in financial, commodities (including oil and gas) and other markets, adversely affected our ability to conduct normal business, adversely affected our clients, and are likely to harm our businesses, financial condition and results of operations.

The COVID-19 pandemic caused and may continue to cause significant disruption in the international and United States economies and financial markets and has had an adverse effect on our business and results of operations. We have also seen a surge in flu and other respiratory illnesses of varying seriousness and magnitude. The spread of these diseases, including COVID variants, has caused illness and death resulting in quarantines, cancellation of events and travel, business and school shutdowns, reduction in business activity and financial transactions, supply chain interruptions, and overall economic and financial market instability. In response to the COVID-19 pandemic, the governments of the states in which we have branches, and most other states, periodically have taken preventative or protective actions, such as imposing restrictions on travel and business operations, advising or requiring individuals to limit or forego their time outside of their homes, and ordering temporary closures of businesses that have been deemed to be non-essential. These restrictions and other consequences of public health issues have resulted in significant adverse effects for many different types of businesses, including, among others, those in the hospitality (including hotels and lodging) and restaurant industries, and resulted in a significant number of layoffs and furloughs of employees nationwide and in the regions in which we operate. We may experience other negative impacts to our business as a result of an outbreak of a communicable disease that could exacerbate other risks discussed in this “Risk Factors” section.

Legal, Accounting, Tax, Regulatory and Compliance Risks

The banking industry is heavily regulated and that regulation could limit or restrict our activities and adversely affect our operations or financial results.

We operate in an extensively regulated industry and we are subject to examination, supervision, and comprehensive regulation by various federal and state agencies. FirstSun is subject to Federal Reserve regulations, and Sunflower Bank is subject to regulation, supervision and examination by the OCC. Our compliance with banking regulations is costly and restricts some of our activities, including payment of dividends, mergers and acquisitions, investments, loans and interest rates and locations of offices. We are also subject to capitalization guidelines established by our regulators, which require us to maintain adequate capital to support our business. If, as a result of an examination, a banking agency were to determine that the financial condition, capital adequacy, asset quality, asset concentration, earnings prospects, management, liquidity sensitivity to market risk or other aspects of any of our operations has become unsatisfactory, or that we or our management are in violation of any law or regulation, the banking agency could take a number of different remedial actions as it deems appropriate.

Regulation by these agencies is intended primarily for the protection of our depositors and the deposit insurance fund and not for the benefit of our stockholders. Congress and federal regulatory agencies continually review banking laws, regulations and policies for possible changes. The Dodd-Frank Act, enacted in July 2010, instituted major changes to the banking and financial institutions regulatory regimes. The burden of regulatory compliance has increased under the Dodd-Frank Act and has increased our costs of doing business and, as a result, may create an advantage for our competitors who may not be subject to similar legislative and regulatory requirements. Regulations and laws may be modified at any time, and new legislation may be enacted that will affect us or our subsidiaries.

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Furthermore, our regulators also have the ability to compel us to take certain actions, or restrict us from taking certain actions entirely, such as actions that our regulators deem to constitute an unsafe or unsound banking practice. Our failure to comply with any applicable laws or regulations, or regulatory policies and interpretations of such laws and regulations, could result in sanctions by regulatory agencies (such as a memorandum of understanding, a written supervisory agreement or a cease and desist order), civil money penalties or damage to our reputation, all of which could have a material adverse effect on our business, financial condition or results of operations.

From time to time we are, or may become, involved in suits, legal proceedings, information-gatherings, reviews, investigations and proceedings by governmental and self-regulatory agencies that may lead to material adverse consequences.

Many aspects of the banking business involve a substantial risk of legal liability. From time to time, we are, or may become, the subject of information-gathering requests, reviews, investigations and proceedings, and other forms of regulatory inquiry, including by bank regulatory agencies, self-regulatory agencies, the SEC and law enforcement authorities. The results of such proceedings could lead to significant civil or criminal penalties, including monetary penalties, damages, adverse judgments, settlements, fines, injunctions, financial statement restatements, restrictions on the way we conduct our business, reputational harm and other potentially material adverse consequences.

Failure to maintain certain regulatory capital levels and ratios could result in regulatory actions that would be materially adverse to our shareholders.

Pressures to maintain appropriate capital levels and address business needs in a changing economy could result in certain mandatory and possible additional discretionary actions by regulators that, if undertaken, could be dilutive or otherwise have an adverse effect on our shareholders. Such actions could include: reduction or elimination of dividends; the issuance of common or preferred stock, or securities convertible into stock; or the issuance of any class of stock having rights that are adverse to those of the holders of our existing classes of common or preferred stock. In addition, these requirements could have a negative impact on our ability to lend, grow deposit balances, make acquisitions or make share repurchases or redemptions. Higher capital levels could also lower our return on equity. Additional information concerning these risks and our management of them, all of which is incorporated into this Item 1A by this reference, appears: under the captions Capital and Related Requirements in Item 1 of this report; under the caption “Capital” of Part II, Item 7; and “Note 19 - Regulatory Capital Requirements,” under Part II, Item 8.

We face a risk of noncompliance and enforcement action with the Bank Secrecy Act and other anti-money laundering statutes and regulations.

The federal Bank Secrecy Act, the USA Patriot Act and other laws and regulations require financial institutions, among other duties, to institute and maintain effective anti-money laundering programs and file suspicious activity and currency transaction reports as appropriate. The federal Financial Crimes Enforcement Network, established by the U.S. Treasury Department to administer the Bank Secrecy Act, is authorized to impose significant civil money penalties for violations of those requirements and has recently engaged in coordinated enforcement efforts with the individual federal banking regulators, as well as the U.S. Department of Justice, Drug Enforcement Administration and Internal Revenue Service, or the “IRS.” There is also increased scrutiny of compliance with the rules enforced by the Office of Foreign Assets Control. Federal and state bank regulators also have begun to focus on compliance with Bank Secrecy Act and anti-money laundering regulations. If our policies, procedures and systems are deemed deficient or the policies, procedures and systems of the financial institutions that we have already acquired or may acquire in the future are deficient, we would be subject to liability, including fines and regulatory actions such as restrictions on our ability to pay dividends and the necessity to obtain regulatory approvals to proceed with certain aspects of our business plan, including our acquisition plans, which would negatively impact our business, financial condition and results of operations. Failure to maintain and implement adequate programs to combat money laundering and terrorist financing could also have serious reputational consequences for us.

Federal, state and local consumer lending laws restrict our ability to originate certain mortgage loans and increase our risk of liability with respect to such loans and increase our cost of doing business.

Federal, state and local laws have been adopted that are intended to eliminate certain lending practices considered “predatory.” These laws prohibit practices such as steering borrowers away from more affordable products, selling unnecessary insurance to borrowers, repeatedly refinancing loans and making loans without a reasonable expectation that the borrowers will be able to repay the loans irrespective of the value of the underlying property. The CFPB has issued several rules on mortgage lending, notably a rule requiring all home mortgage lenders to determine a borrower’s ability to repay the loan. Loans with certain terms and conditions and that otherwise meet the definition of a “qualified mortgage”

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may be protected from liability to a borrower for failing to make the necessary determinations. In response to these laws and related CFPB rules, we have tightened, and in the future may further tighten, our mortgage loan underwriting standards to determine borrowers’ ability to repay. Although it is our policy not to make predatory loans and to determine borrowers’ ability to repay, these laws and related rules create the potential for increased liability with respect to our lending and loan investment activities. They increase our cost of doing business and, ultimately, may prevent us from making certain loans and cause us to reduce the average percentage rate or the points and fees on loans that we do make.

We are subject to federal and state fair lending laws, and failure to comply with these laws could lead to material penalties and materially restrict our organic growth and strategic growth and expansion activity.

Federal and state fair lending laws and regulations, such as the Equal Credit Opportunity Act and the Fair Housing Act, impose nondiscriminatory lending requirements on financial institutions. The U.S. Department of Justice, CFPB and other federal and state agencies are responsible for enforcing these laws and regulations. Private parties may also have the ability to challenge an institution’s performance under fair lending laws in private class action litigation. A successful challenge to our performance under the fair lending laws and regulations could adversely impact our rating under the Community Reinvestment Act and result in a wide variety of sanctions, including the required payment of damages and civil money penalties, injunctive relief, imposition of restrictions on merger and acquisition activity and restrictions on expansion activity, which could negatively impact our reputation, business, financial condition and results of operations.

The Federal Reserve may require us to commit capital resources to support Sunflower Bank.

The Federal Reserve requires a bank holding company to act as a source of financial and managerial strength to a subsidiary bank and to commit resources to support such subsidiary bank. Under the “source of strength” doctrine, the Federal Reserve may require a bank holding company to make capital injections into a troubled subsidiary bank and may charge the bank holding company with engaging in unsafe and unsound practices for failure to commit resources to such a subsidiary bank. In addition, the Dodd-Frank Act directs the federal bank regulators to require that all companies that directly or indirectly control an insured depository institution serve as a source of strength for the institution. Under these requirements, in the future, we could be required to provide financial assistance to Sunflower Bank if it experiences financial distress.

A capital injection may be required at times when we do not have the resources to provide it, and therefore we may be required to borrow the funds. In the event of a bank holding company’s bankruptcy, the bankruptcy trustee will assume any commitment by the holding company to a federal bank regulatory agency to maintain the capital of a subsidiary bank. Moreover, bankruptcy law provides that claims based on any such commitment will be entitled to a priority of payment over the claims of the holding company’s general unsecured creditors, including the holders of its note obligations. Thus, any borrowing that must be done by the holding company in order to make the required capital injection becomes more difficult and expensive and will adversely impact the holding company’s cash flows, financial condition, results of operations and prospects.

We could become subject to claims and litigation pertaining to our fiduciary responsibility.

Some of the services we provide, such as wealth management services require us to act as fiduciaries for our customers and others. Customers make claims and on occasion take legal action pertaining to our performance of our fiduciary responsibilities. Whether customer claims and legal action related to our performance of our fiduciary responsibilities are founded or unfounded, if such claims and legal action are not resolved in a manner favorable to us, they may result in significant financial liability and/or adversely affect the market perception of us and our products and services as well as impact customer demand for those products and services. Any financial liability or reputational damage could have a material adverse effect on our business, which, in turn, could have a material adverse impact on our financial condition and results of operations.

We are party to various claims and lawsuits incidental to our business. Litigation is subject to many uncertainties such that the expenses and ultimate exposure with respect to many of these matters cannot be ascertained.

From time to time, we, our directors and our management are the subject of various claims and legal actions by customers, employees, stockholders and others. Whether such claims and legal actions are legitimate or unfounded, if such claims and legal actions are not resolved in our favor, they may result in significant financial liability and/or adversely affect our reputation and our products and services as well as impact customer demand for those products and services. In light of the potential cost and uncertainty involved in litigation, we have in the past and may in the future settle matters even when we believe we have a meritorious defense. Certain claims may seek injunctive relief, which could disrupt the ordinary conduct of our business and operations, increase our cost of doing business or delay or prevent our planned mergers or acquisitions.

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Our insurance or indemnities may not cover all claims that may be asserted against us. Any judgments or settlements in any pending litigation or future claims, litigation or investigation could have a material adverse effect on our business, reputation, financial condition and results of operations.

The expanding body of federal, state and local regulations and/or the licensing of loan servicing, collections or other aspects of our business and our sales of loans to third parties may increase the cost of compliance and the risks of noncompliance and subject us to litigation.

We service many of our own loans, and loan servicing is subject to extensive regulation by federal, state and local governmental authorities as well as to various laws and judicial and administrative decisions imposing requirements and restrictions on those activities. The volume of new or modified laws and regulations has increased in recent years and, in addition, some individual municipalities have begun to enact laws that restrict loan servicing activities including delaying or temporarily preventing foreclosures or forcing the modification of certain mortgages. If regulators impose new or more restrictive requirements, we may incur additional significant costs to comply with such requirements which may further adversely affect us. In addition, were we to be subject to regulatory investigation or regulatory action regarding our loan modification and foreclosure practices, our financial condition and results of operation could be adversely affected.

In addition, we have sold loans to third parties. In connection with these sales, we make or have made various representations and warranties, breaches of which may result in a requirement that we repurchase the loans, or otherwise make whole or provide other remedies to counterparties. These aspects of our business or our failure to comply with applicable laws and regulations could possibly lead to: civil and criminal liability; loss of licensure; damage to our reputation in the industry; fines and penalties and litigation, including class action lawsuits; and administrative enforcement actions. Any of these outcomes could materially and adversely affect us.

Political dysfunction and volatility within the federal government, both at the regulatory and Congressional level, creates significant potential for major and abrupt shifts in federal policy regarding bank regulation, taxes, and the economy, any of which could have significant and adverse impacts on our business and financial performance.

Certain of our operations and customers are dependent on the regular operation of the federal or state government or programs they administer. For example, our SBA lending program depends on interaction with the SBA, an independent agency of the federal government. During a lapse in funding, such as has occurred during previous federal government “shutdowns”, the SBA may not be able to engage in such interaction. Similarly, loans we make through USDA lending programs may be delayed or adversely affected by lapses in funding for the USDA. In addition, customers who depend directly or indirectly on providing goods and services to federal or state governments or their agencies may reduce their business with us or delay repayment of loans due to lost or delayed revenue from those relationships. If funding for these lending programs or federal spending generally is reduced as part of the appropriations process or by administrative decision, demand for our services may be reduced. Any of these developments could have a material adverse effect on our financial condition, results of operations or liquidity.

Data privacy is a major political concern. The laws governing it are new, and they are likely to evolve and expand.

Many non-regulated, non-banking companies have gathered large amounts of personal details about millions of people, and they have the ability to analyze that data and act on that analysis very quickly. This situation has prompted governmental responses. Two prominent responses are the European Union General Data Protection Regulation and the California Consumer Privacy Act. Neither is a banking industry regulation, but both apply to banks in relation to certain clients. Further general regulation to protect data privacy appears likely, and banking industry regulations might be enlarged as well.

The preparation of our consolidated financial statements in conformity with U.S. generally accepted accounting principles requires management to make significant assumptions, estimates and judgments that affect the financial statements.

Management must make significant assumptions and estimates and exercise significant judgment in selecting and applying accounting and reporting policies. In some cases, management must select a policy from two or more alternatives, any of which may be reasonable under the circumstances, which may result in reporting materially different results than would have been reported under a different alternative. The estimate that is consistently one of our most critical is the level of the allowance for credit losses. However, other estimates can be highly significant at discrete times or during periods of varying length, for example the valuation (or impairment) of our deferred tax assets. Estimates are made at specific points in time. As actual events unfold, estimates are adjusted accordingly. Due to the inherent nature of these estimates, it is possible that, at some time in the future, we may significantly increase the allowance for credit losses and/or sustain credit

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losses that are significantly higher than the provided allowance, or we may recognize a significant provision for impairment of assets, or we may make some other adjustment that will differ materially from the estimates that we make today. Moreover, in some cases, especially concerning litigation and other contingency matters where critical information is inadequate, often we are unable to make estimates until fairly late in a lengthy process.

We could be subject to changes in tax laws, regulations and interpretations or challenges to our income tax provision.

We compute our income tax provision based on enacted tax rates in the jurisdictions in which we operate. Any change in enacted tax laws, rules or regulatory or judicial interpretations, or any change in the pronouncements relating to accounting for income taxes could adversely affect our effective tax rate, tax payments and results of operations. The taxing authorities in the jurisdictions in which we operate may challenge our tax positions, which could increase our effective tax rate and harm our financial position and results of operations. We are subject to audit and review by U.S. federal and state tax authorities. Any adverse outcome of such a review or audit could have a negative effect on our financial position and results of operations. In addition, changes in enacted tax laws, such as adoption of a lower income tax rate in any of the jurisdictions in which we operate, could impact our ability to obtain the future tax benefits represented by our deferred tax assets. In addition, the determination of our provision for income taxes and other liabilities requires significant judgment by management. The ultimate tax outcome may differ from the amounts recorded in our financial statements and could have a material adverse effect on our financial results in the period or periods for which such determination is made.

Our internal controls and procedures may fail or be circumvented.

Maintaining and adapting our internal controls over financial reporting, disclosure controls and procedures and effective corporate governance policies and procedures (“controls and procedures”) is expensive and requires significant management attention. Moreover, as we continue to grow, including as a result of the proposed HomeStreet merger, if it is completed, our controls and procedures may become more complex and require additional resources to ensure they remain effective amid dynamic regulatory and other guidance. Failure to implement effective controls and procedures or circumvention of our controls and procedures could harm our business, results of operations and financial condition or cause us to fail to meet our public reporting obligations.

Risks Related to FirstSun Common Stock

There is a limited trading market in our common stock, which would hinder your ability to sell our common stock and may lower the market price of the stock.

Our common stock is currently quoted on the OTC Market Group, Inc.’s OTCQX Market. The development of an active trading market depends on the existence of willing buyers and sellers, the presence of which is not within our control, or that of any market maker. The number of active buyers and sellers of the shares of our common stock at any particular time may be limited. Under such circumstances, you could have difficulty selling your shares of our common stock on short notice. In addition, the total number of our outstanding shares less the shares beneficially owned by our directors, executive officers and greater than 5% stockholders, is quite limited. As a result, there is not currently an active trading market for our common stock. Accordingly, shareholders should consider the potential illiquid and long-term nature of an investment in FirstSun common stock.

A closing condition to the HomeStreet merger agreements (and consistent with undertakings in the Acquisition Finance Securities Purchase Agreement), FirstSun is required to uplist its common stock to Nasdaq. And pursuant to undertakings in the Upfront Securities Purchase Agreement, FirstSun is required to use its reasonable best efforts to list its common stock on Nasdaq (or the New York Stock Exchange or the NYSE American) within 120 days of January 17, 2024, provided that, to the extent reasonably necessary to effect the transactions contemplated by the HomeStreet merger agreement, FirstSun may extend such deadline by up to 60 days with the prior written consent of the selling stockholders (which consent shall not be unreasonably withheld, delayed or conditioned), regardless of whether the HomeStreet merger is consummated. If the proposed HomeStreet merger is completed, the shares of FirstSun common stock which will be issued to HomeStreet shareholders in the proposed HomeStreet merger will be freely transferable. However, regardless of whether the HomeStreet merger is completed, there is a limited trading market in FirstSun common stock, which may hinder shareholders’ ability to sell FirstSun common stock and may lower the market price of the stock. The development of a trading market depends upon the existence of willing buyers and sellers, the presence of which is not within the control of FirstSun. Accordingly, investing in FirstSun stock could potentially be illiquid and a long-term investment. Even though the FirstSun stockholder base would increase as a result of the completion of the proposed HomeStreet merger and even if the FirstSun common stock begins trading on Nasdaq or any other stock exchange, there can be no assurance that an active and liquid trading market for FirstSun will develop, or once developed, will continue.

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FirstSun’s Significant Stockholders could exercise significant influence over FirstSun, and their interests in FirstSun may be different than yours.

Certain of the Significant Stockholders of FirstSun (those identified under “Item 13. Certain Relationships and Related Transactions, and Director Independence,” under the heading “Stockholders’ Agreement”), own, in the aggregate, approximately 70.4% of our common stock. As a result, our Significant Stockholders exercise significant influence over FirstSun through such ownership.

In addition, under our Stockholders’ Agreement, as amended, certain of FirstSun’s Significant Stockholders, are entitled to designate nominees for nine of the ten directors, in each case, so long as certain stock ownership thresholds are maintained. The directors nominated by the Significant Stockholders will have significant authority to make decisions affecting our business, including, among others, the issuance of additional capital stock, the incurrence of additional indebtedness, mergers and acquisitions, the decision of whether or not to declare dividends and other extraordinary corporate matters.

Pursuant to the Stockholders’ Agreement, as amended, FirstSun stockholders also have certain rights and obligations related to its governance, transfer restrictions, rights of first refusal, tag-along rights, and with respect to the Significant Stockholders, certain preemptive rights. See “Item 13. Certain Relationships and Related Transactions, and Director Independence,” under the heading “Stockholders’ Agreement.”

The interests of FirstSun’s Significant Stockholders may conflict with the interests of our stockholders. For example, some or all of FirstSun’s Significant Stockholders may support certain long-term strategies or objectives for FirstSun that may not be accretive to our stockholders in the short term. The concentration of ownership may also delay, defer or even prevent a change in control of FirstSun, even if such a change in control would benefit our other stockholders, and may make some transactions more difficult or impossible without the support of FirstSun’s Significant Stockholders.

Some provisions of our organizational documents, our Stockholders’ Agreement and Delaware law may have anti-takeover effects that could discourage an acquisition of us by others, even if an acquisition would be beneficial to our stockholders.

Provisions in our certificate of incorporation, bylaws and Stockholders’ Agreement, as well as provisions of the DGCL, could make it more difficult for a third-party to acquire us or increase the cost of acquiring us, even if doing so would benefit our stockholders, including transactions in which stockholders might otherwise receive a premium for their shares. These provisions include:

•establishing a classified board of directors such that not all members of the board are elected at one time, with nine of our ten director seats being nominated by certain Significant Stockholders under the Stockholders’ Agreement, so long as certain stock ownership thresholds are maintained;

•providing for a plurality voting standard in the election of directors without cumulative voting;

•providing that our stockholders may remove members of our board of directors only for cause;

•enabling our board of directors to issue additional shares of authorized, but unissued capital stock;

•enabling our board to issue “blank check” preferred stock without further stockholder approval; and

•enabling our board of directors to amend our bylaws without stockholder approval.

We do not intend to pay dividends for the foreseeable future.

We currently intend to retain any future earnings to finance the operation and expansion of our business, and we do not expect to declare or pay any dividends in the foreseeable future. As a result, a stockholder may only receive a return on their investment in our common stock if the trading price of our common stock increases.

Also, as a bank holding company, our ability to pay dividends is affected by the policies and enforcement powers of the Federal Reserve and any future payment of dividends will depend on the Bank’s ability to make distributions and payments to the Company as our principal source of funds to pay such dividends. The Bank is also subject to various legal, regulatory and other restrictions on its ability to make distributions and payments to the Company. In addition, in the future, we may enter into borrowing or other contractual arrangements that restrict our ability to pay dividends. As a consequence of these various limitations and restrictions, we may not be able to pay dividends on our common stock. See “Item 1. Business - Supervision and Regulation - Dividend Payments” for additional information.

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An investment in FirstSun common stock is not an insured deposit and is subject to risk of loss.

An investment in FirstSun common stock will not be a bank deposit and will not be insured or guaranteed by the FDIC or any other government agency. Your investment will be subject to investment risk, and you must be capable of affording the loss of your entire investment.

We are an “emerging growth company,” and the reduced reporting requirements applicable to emerging growth companies may make our common stock less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act. For as long as we continue to be an emerging growth company, we may take advantage of exemptions from various reporting requirements that are applicable to other public companies but not to “emerging growth companies,” including, but not limited to:

•not being required to comply with the auditor attestation requirements in the assessment of our internal control over financial reporting under Section 404 of the Sarbanes-Oxley Act;

•not being required to comply with any requirement that may be adopted by the Public Company Accounting Oversight Board regarding mandatory audit firm rotation or a supplement to the auditor’s report providing additional information about the audit and the financial statements;

•reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements; and

•exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved.

We may take advantage of some or all of these provisions for up to five years or such earlier time as we cease to qualify as an emerging growth company, which will occur if we have more than $1.235 billion in total annual gross revenue, if we issue more than $1.0 billion of non-convertible debt in a three-year period, or if we are deemed to be a large accelerated filer, which means the market value of our common stock that is held by non-affiliates exceeds $700 million as of the prior June 30th, in which case we would no longer be an emerging growth company as of the following December 31. Investors may find our common stock less attractive if we choose to rely on these exemptions. If some investors find our common stock less attractive as a result of any choices to reduce future disclosure, there may be a less active trading market for our common stock and the price of our common stock may be more volatile.

We may issue additional shares of stock or equity derivative securities that may dilute the percentage ownership of existing stockholders and the book value per share of our common stock, which may cause the price of our common stock to decline and adversely affect the terms on which we may obtain additional capital.

Issuances of FirstSun common stock or equity derivative securities, or the perception that these issuances could occur, could cause the market price of FirstSun common stock to decline and make it more difficult for us to sell equity or equity-related securities in the future, at a time and place that we deem appropriate. Accordingly, the market price of FirstSun common stock could be adversely affected by actual or anticipated issuances of a significant number of shares of FirstSun common stock in the future.

We are authorized to issue up to 50,000,000 shares of our common stock, and to issue up to 10,000,000 shares of preferred stock, without further stockholder approval. As of March 6, 2024, FirstSun had 27,430,682 shares of common stock outstanding, and no shares of preferred stock outstanding. On or prior to closing of the proposed HomeStreet merger, FirstSun intends to file an amendment to its certificate of incorporation to increase the number of FirstSun’s authorized shares of capital stock from 60,000,000 to 110,000,000, consisting of 100,000,000 shares of FirstSun common stock and 10,000,000 shares of preferred stock. Such amendment to the certificate of incorporation will become effective upon filing with the Secretary of State of the State of Delaware.

We may issue additional shares of our stock or equity derivative securities in the future pursuant to current or future equity compensation plans, in connection with future acquisitions or financings (including in connection with the proposed HomeStreet merger), or to raise additional capital to support our growth or to otherwise strengthen our balance sheet. Any issuance of shares of our stock or derivative equity securities will dilute the percentage ownership of our shareholders, may dilute the book value per share of our common stock, may dilute the economic and voting ownership interest of our existing stockholders, and could have a material negative effect on the value of our common stock.

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Sales by FirstSun stockholders of substantial amounts of our common stock, as well as the anticipation of such sales by the public markets, could depress the market price of our common stock.

FirstSun has filed a resale shelf registration statement, which was declared effective by the SEC on November 1, 2023 and remains in effect, with respect to the potential resale of up to approximately 20.47 million shares of our common stock by certain stockholders, including certain significant stockholders, of FirstSun. FirstSun is obligated to (and intends to promptly) file with the SEC a resale shelf registration statement with respect to the potential resale of up to approximately 2.46 million shares of our common stock by certain institutional stockholders who purchased such shares from FirstSun in a private placement on January 17, 2024. If the proposed HomeStreet merger is completed, the shares of FirstSun common stock which will be issued to HomeStreet shareholders in the proposed HomeStreet merger will be freely transferable, and FirstSun will be required to file resale shelf registration statements with respect to the resale by certain institutional investors of up to approximately 2.92 million additional shares of FirstSun common stock that would be issued pursuant to the Acquisition Finance Securities Purchase Agreement and the resale by certain institutional stockholders of up to approximately 1.15 million shares of FirstSun common stock issuable upon exercise of the Warrants.

Sales by stockholders of FirstSun, before or after any completion of the proposed HomeStreet merger, of significant amounts of our common stock, as well as the anticipation of such sales by the public markets, could cause the market price of our common stock to decline. These sales may also make it more difficult for us to sell equity securities in the future at a time and at a price that we deem appropriate to raise funds through future offerings of our common stock or derivative equity securities.

Shareholder litigation could prevent or delay the completion of the merger or otherwise negatively impact the business and operations of FirstSun and HomeStreet.

Shareholders of FirstSun or HomeStreet may file lawsuits against FirstSun, HomeStreet and/or the directors and officers of either company in connection with the merger. One of the conditions to the closing is that there must be no order, injunction or decree issued by any court or governmental entity of competent jurisdiction or other legal restraint preventing the consummation of the merger or any of the other transactions contemplated by the merger agreement. If any plaintiff were successful in obtaining an injunction prohibiting FirstSun or HomeStreet from completing the merger or any of the other transactions contemplated by the merger agreement, then such injunction may delay or prevent the effectiveness of the merger and could result in significant costs to FirstSun or HomeStreet, including any cost associated with the indemnification of directors and officers of each company. FirstSun and HomeStreet may incur costs in connection with the defense or settlement of any stockholder or shareholder lawsuits filed in connection with the merger. Such litigation could have an adverse effect on the financial condition and results of operations of FirstSun and HomeStreet and could prevent or delay the completion of the merger.

Climate Risks

Natural disasters and weather-related events exacerbated by climate change could have a negative impact on our results of operations and financial condition.

We operate in markets in which natural disasters, including tornadoes, severe storms, fires, floods, droughts, hurricanes and earthquakes have occurred. Such natural disasters could significantly affect the local population and economies, the activities of many of our customers and clients, and our business, and could pose physical risks to our properties. Although our banking offices are geographically dispersed throughout portions of the midwestern and southwestern United States and we maintain insurance coverage for such events, a significant natural disaster in or near one or more of our markets could have a material adverse effect on our financial condition, results of operations or liquidity.

The markets in which we operate also are exposed to the adverse impacts of climate change, as well as uncertainties related to the transition to a low-carbon economy. Climate change presents both immediate and long-term risks to us and our customers and clients, with the risks expected to increase over time.

Climate risks can arise from both physical risks (those risks related to the physical effects of climate change) and transition risks (risks related to regulatory, compliance, technological, stakeholder and legal changes from a transition to a low-carbon economy). The physical and transition risks can manifest themselves differently across our risk categories in the short, medium and long terms.

The physical risk from climate change could result from increased frequency and/or severity of adverse weather events. For example, adverse weather events could damage or destroy our properties or our counterparties’ properties and other assets and disrupt operations, making it more difficult for counterparties to repay their obligations, whether due to reduced

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profitability, asset devaluations or otherwise. These events could also increase the volatility in financial markets and increase our counterparty exposures and other financial risks, which may result in lower revenues and higher cost of credit.

Transition risks may arise from changes in regulations or market preferences toward a low-carbon economy, which in turn could have negative impacts on asset values, results of operations or our reputation or that of our customers and clients. For example, our corporate credit exposures include industries that may experience reduced demand for carbon-intensive products due to the transition to a low-carbon economy. Moreover, banking regulators and others are increasingly focusing on the issue of climate risk at financial institutions, both directly and with respect to their clients.

Even as regulators, such as the SEC, begin to propose or mandate additional disclosure of climate-related information by companies across sectors, there may continue to be a lack of information for more robust climate-related risk analyses. Third-party exposures to climate-related risks and other data generally are limited in availability and variable in quality. Modeling capabilities to analyze climate-related risks and interconnections are improving but remain incomplete. Legislative or regulatory uncertainties and changes regarding climate-related risk management and disclosures are likely to result in higher regulatory, compliance, credit, reputational and other risks and costs (for additional information, see the ongoing regulatory and legislative uncertainties and changes risk factor above). In addition, we could face increased regulatory, reputational and legal scrutiny as a result of its climate risk.

General Risk Factors

Our historical operating results may not be indicative of our future operating results.

We may not be able to sustain our historical rate of growth, and, consequently, our historical results of operations will not necessarily be indicative of our future operations. Various factors, such as economic conditions, regulatory and legislative considerations, and competition, may also impede our ability to expand our market presence. If we experience a significant decrease in our historical rate of growth, our results of operations and financial condition may be adversely affected because a high percentage of our operating costs are fixed expenses.

Item 1B. Unresolved Staff Comments

None.

Item 1C. Cybersecurity

Risk Management and Strategy

Cybersecurity is a critical component of our overall risks given the increasing reliance on technology and potential of cyber threats. Our Chief Information Security Officer is primarily responsible for this cybersecurity component and is a member of the information technology organization, reporting directly to the Chief Information Officer and regularly reports on the state of the program to the Risk Committee of our Bank’s Board of Directors.

Our objective for managing cybersecurity risk is to avoid or minimize the impacts of external threat events or other efforts to penetrate, disrupt or misuse our systems or information. The structure of our information security program is designed around the Federal Financial Institutions Examination Council (“FFIEC”) regulatory guidance, and other industry standards such as the Center for Internet Security (“CIS”). In addition, we leverage certain industry and government associations, third-party benchmarking, audits, and threat intelligence feeds to facilitate and promote program effectiveness. Our Chief Information Security Officer and our Chief Information Officer regularly collaborate with industry groups to discuss cybersecurity trends and issues and identify best practices. The information security program is periodically reviewed by such personnel with the goal of addressing changing threats and conditions.

We leverage people, processes, and technology with an in-depth, layered, defensive strategy as part of our efforts to manage and maintain cybersecurity controls. We also employ a variety of preventative and detective tools designed to monitor, block, and provide alerts regarding suspicious activity, as well as to report on suspected advanced persistent threats. We have established processes and systems designed to mitigate cyber risk, including regular and on-going education and training for employees, preparedness simulations and tabletop exercises, and recovery and resilience tests. We engage in regular assessments of our infrastructure, software systems, and network architecture, using internal cybersecurity experts and third-party specialists. We also maintain a third-party risk management program designed to identify, assess, and manage risks, including cybersecurity risks, associated with external service providers and our supply chain. We also actively monitor our email gateways for malicious phishing email campaigns and monitor remote

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connections as a significant portion of our workforce has the option to work remotely. We leverage internal and external auditors and independent external partners to periodically review our processes, systems, and controls, including with respect to our information security program, to assess their design and operating effectiveness and make recommendations to strengthen our risk management program.

Notwithstanding our defensive measures and processes, the threat posed by cyber-attacks is severe.

Therefore, we will experience risk to potential vulnerabilities now and in the future but have built a program to recognize and respond to these vulnerabilities for the purposes of identification and remediation of those vulnerabilities and the impact they can have on our business. Our internal systems, processes, and controls are designed to mitigate loss from cyber-attacks.

Additionally, we maintain an Incident Response Plan that provides a documented framework for responding to actual or potential cybersecurity incidents, including timely notification of and escalation to the appropriate management and/or executives. We have created and maintain a Crisis Management Plan as part of our overall Incident Response Plan which provides for the escalation path and management of an incident by the appropriate designated executives. The Incident Response Plan is coordinated through the Chief Information Security Officer and key members of the information technology management team are embedded by design. The Crisis Management Plan facilitates coordination across multiple parts of our organization and is evaluated at least annually.

Further, our risk from cybersecurity threats includes failure in or breach of our operational or security systems or infrastructure managed by third-party vendors and extends to other third parties, which could disrupt our businesses, result in the disclosure or misuse of confidential or proprietary information, damage our reputation, increase our costs, and/or cause losses.

While we have experienced cybersecurity incidents in the past, to date, risks from cybersecurity threats have not materially affected the Company. For further discussion of risks from cybersecurity threats, see the section captioned “A failure in or breach of our operational or security systems or infrastructure, or those of our third-party vendors and other service providers or other third parties, including as a result of cyber-attacks, could disrupt our businesses, result in the disclosure or misuse of confidential or proprietary information, damage our reputation, increase our costs and cause losses.” in Item 1A. Risk Factors.

Governance

Our Chief Information Security Officer is accountable for managing our enterprise information security department and delivering our information security program. The responsibilities of this department include cybersecurity risk assessment, threat intelligence, control evaluation and assessment, incident response, vulnerability assessment, threat intelligence, third-party risk management, change management, and business resilience. The foregoing responsibilities are covered on a day-to-day basis by a first line of defense function. The second line of defense function is separated from the first line of defense function through organizational structure and overall cybersecurity management is independently reviewed by a third line through the audit function. The department, as a whole, consists of information security professionals with varying degrees of education and experience. Individuals within the department are generally subject to professional education and certification requirements. In particular, our Chief Information Security Officer has substantial relevant expertise and formal training in the areas of information security and cybersecurity risk management.

Various management committees exist including the Information Technology Steering Committee, which focuses on technology impact. This committee provides oversight and governance of the technology program and the information security program. This committee is chaired by the Chief Information Officer and includes other executives across the Bank and the Chief Information Security Officer is a part of this committee. This committee meets quarterly to provide oversight of technology projects and services including strategy, standards, policies, practices, controls, and mitigation and prevention efforts employed to manage security risks.

The Chief Information Security Officer reports summaries of key issues, including significant cybersecurity and/or privacy incidents, discussed at the meeting and the actions taken to the Risk Committee of our Board of Directors on a quarterly basis (or more frequently as may be required by the Incident Response Plan).

The Risk Committee of our Bank’s Board of Directors is responsible for overseeing our information security and technology programs, including management’s actions to identify, assess, mitigate, and remediate or prevent material cybersecurity issues and risks. Our Chief Information Security Officer and our Chief Information Officer provide quarterly reports to the Risk Committee of our Bank’s Board of Directors regarding the information security program and the

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technology program, key enterprise cybersecurity initiatives, and other matters relating to cybersecurity processes. The Risk Committee of our Bank’s Board of Directors reviews and approves our information security policies and strategies. The Risk Committee of our Bank’s Board of Directors provides a report of their activities to the full Board of Directors at each board meeting.

Vendor Incident

As disclosed in our Form 8-K filed on July 14, 2023, on or about May 31, 2023, we were informed by a third-party vendor of a zero-day vulnerability in the vendor’s managed file transfer software MOVEit (the “Vendor Incident”). The Bank utilizes MOVEit for securely transferring sensitive and confidential information and other data, including for its First National 1870 and Guardian Mortgage divisions.

We publicly disclosed this breach and provided appropriate notifications to potentially impacted customers. We now understand that the SEC is conducting an investigation into data breaches resulting from the failures in the Progress software and on or about February 26, 2024, we received a request from the SEC to preserve and provide various documents and information relating to the SEC’s investigation. The fact that the SEC has begun an investigation does not mean that the SEC believes that anyone (including FirstSun) has violated federal securities laws, nor does it mean that the SEC has a negative opinion of any person, entity, or security. It is a non-public fact-finding inquiry, with which we intend to fully cooperate.

The costs associated with the Vendor Incident have not had, and neither it nor the SEC’s investigation (including responding to any information requests from the SEC) are expected to have a material adverse impact on the Company’s financial condition or results of operation.

Item 2. Properties

Our principal executive office is located at 1400 16th Street, Suite 250, Denver, Colorado 80202. Sunflower Bank’s main office was relocated from Denver, Colorado to 8117 Preston Road, Suite 220, Dallas, Texas 75225 in November 2023. In addition, we currently operate 23 branches located in Texas, 21 branches located in Kansas, 11 branches located in Colorado, nine branches located in New Mexico, four branches located in Arizona and one branch located in Washington. We also operate 11 mortgage offices located in Arizona, Idaho, Michigan, New Mexico, Oregon, Texas and Washington.

We own 43 of our banking branches and lease our other 26 banking branches. In addition, we also lease our executive office. Our mortgage banking offices are typically leased for shorter-terms. We believe that our facilities are in good condition and are adequate to meet our operating needs for the foreseeable future.

Item 3. Legal Proceedings

FirstSun and its subsidiaries may be involved from time to time in various routine legal proceedings incidental to our respective businesses. Neither we nor any of our subsidiaries are currently engaged in any legal proceedings that are expected to have a material adverse effect on our results of operations or financial position. For further information regarding legal proceedings, see Note 24 - Commitments and Contingencies in our audited consolidated financial statements contained elsewhere in this report.

Item 4. Mine Safety Disclosures

Not Applicable.

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Part II

Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Market for FirstSun Common Stock

As of December 31, 2023, we had 24,960,639 shares of common stock outstanding and approximately 369 stockholders of record. On January 17, 2024 we issued an additional 2,461,538 shares of our common stock at $32.50 per share in conjunction with the proposed merger with HomeStreet and related investment agreements.

In August 2022, our common stock began trading on the OTCQX® Best Market under the ticker symbol “FSUN”. There was no public trading market for the common stock before that date. Over-the-counter market quotations reflect inter-dealer prices, without retail mark-up, mark-down or commission and may not necessarily represent actual transactions.

Dividends

We have not declared or paid any cash dividends on our common stock since we converted from an S corporation to a C corporation in 2016. For the foreseeable future, we do not intend to declare cash dividends and instead we plan to retain earnings to grow our business.

Although we have no current expectations to pay dividends, any future determination relating to our dividend policy will be made by our board of directors and will depend on a number of factors. As a Delaware corporation and a bank holding company, dividend payments are subject to numerous limitations. For additional information, see Item 1. “Business –Supervision and Regulation—Bank Holding Company Regulation—Dividend Payments”, and Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations – Liquidity" and Note 16 - Stockholders’ Equity included in our consolidated financial statements included elsewhere in this report.

Item 6. [Reserved]

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Item 7.

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF FIRSTSUN

In this section, unless the context suggests otherwise, references to “we,” “us,” and “our” mean the combined business of FirstSun and its wholly-owned subsidiaries, Sunflower Bank, Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC.

The following discussion is an analysis of our consolidated results of operations for the years ended December 31, 2023, 2022 and 2021, and financial condition for the years ended December 31, 2023 and 2022. This discussion and analysis should be read in conjunction with our consolidated financial statements and accompanying footnotes filed with this report in “Part II, Item 8. Financial Statements.” We have omitted discussion of 2021 results where it would be redundant to the discussion previously included in “Management’s Discussion and Analysis of Financial Condition and Results of Operations of FirstSun” section of our Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on March 16, 2023. Historical results of operations and the percentage relationships among any amounts included, and any trends that may appear, may not indicate trends in operations or results of operations for any future periods.

Comments regarding our business that are not historical facts are considered forward-looking statements that involve inherent risks and uncertainties. Actual results may differ materially from those contained in these forward-looking statements. For additional information regarding our cautionary disclosures, See the “Cautionary Note Regarding Forward-Looking Statements” beginning on page 3 of this report.

General Overview

FirstSun Capital Bancorp, headquartered in Denver, Colorado, is the financial holding company for Sunflower Bank, National Association, which is headquartered in Dallas, Texas and operates as Sunflower Bank, First National 1870 and Guardian Mortgage. We conduct a full-service community banking and trust business through our wholly-owned subsidiaries—Sunflower Bank, Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC.

We offer a full range of relationship-focused services to meet our clients’ personal, business and wealth management financial objectives, with a branch network in Texas, Kansas, Colorado, New Mexico, and Arizona and mortgage capabilities in 43 states. Our product line includes commercial and industrial loans, commercial real estate loans, residential mortgage, public finance and other consumer loans, and a variety of commercial and consumer deposit products, including noninterest-bearing accounts, interest-bearing demand products, savings accounts, money market accounts and certificates of deposit. We also offer wealth management and trust products including personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. We also offer online banking and bill payment services, online cash management, safe deposit box rentals, debit card and ATM card services and the availability of a network of ATMs for our customers.

We operate FirstSun through two operating segments: Banking and Mortgage Operations. We also allocate certain expenses to Corporate, which is not an operating segment. The expenses included in Corporate are not deemed to be allocable to our operating segments. The operating segments have been determined based on the products and services we offer and reflect the manner in which our financial information is evaluated by management. Each of the operating segments is complementary to each other and because of the interrelationship of the segments, the information presented is not indicative of how the segments would perform if they operated as independent entities. For additional information on our segments, see Note 23 - Segment Information included in our consolidated financial statements included elsewhere in this report.

Merger with Pioneer Bancshares, Inc.

On April 1, 2022, we completed our merger with Pioneer Bancshares, Inc. (“Pioneer”), pursuant to which Pioneer was merged with and into FirstSun, with FirstSun continuing as the surviving entity, and Pioneer’s wholly-owned subsidiary, Pioneer Bank, SSB, a Texas state savings bank, was merged with and into Sunflower Bank, with Sunflower Bank continuing as the surviving bank. With the acquisition, we acquired 19 branches in Texas. The results for Pioneer are reflected in our results of operations and financial condition since April 1, 2022. Further information is presented in Note 2 - Merger with Pioneer Bancshares, Inc. included in our consolidated financial statements included elsewhere in this report.

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Pending Merger with HomeStreet, Inc. and Common Equity Raise

On January 16, 2024, FirstSun and Seattle-based HomeStreet, Inc. (“HomeStreet”), the holding company of HomeStreet Bank (“HomeStreet Bank”) entered into a definitive merger agreement (the “merger agreement”). Under the merger agreement, HomeStreet will merge with and into FirstSun, with FirstSun continuing as the surviving entity. Immediately following the merger, HomeStreet Bank will merge with and into Sunflower Bank, with Sunflower Bank continuing as the surviving bank.

Subject to the terms and conditions of the merger agreement, at the effective time of the merger, each outstanding share of HomeStreet common stock will be converted into the right to receive 0.4345 of a share of FirstSun common stock. The combined entity is expected to have total assets of approximately $17 billion and 129 branch locations. The combined entity’s expanded footprint includes, FirstSun’s current presence in the Southwest and Midwest together with HomeStreet’s presence in Southern California, Hawaii and the Pacific Northwest.

The parties to the merger expect to complete the merger in the middle of 2024, subject to satisfaction of closing conditions, including receipt of customary required regulatory approvals and the approval of the merger agreement by the HomeStreet shareholders.

Concurrently with entry into the HomeStreet merger agreement, FirstSun entered into investment agreements with investors to raise capital to support the merger. In aggregate, $175 million of common stock will be issued to those investors: (a) $80 million of which was issued immediately following the merger announcement, and (b) the remaining $95 million of which will be issued substantially concurrently with, and subject to, the closing of the merger. The proceeds of this equity raise are expected to support the combined entity and result in capital ratios that exceed regulatory requirements.

For additional information on the proposed merger and equity raise, see Note 27 - Subsequent Events included in our consolidated financial statements included elsewhere in this report.

Financial Highlights For 2023

We delivered strong financial results in 2023, which included:

•Net income of $103.5 million, $4.08 per diluted share

•Net interest margin of 4.23%

•Return on average total assets of 1.38%

•Return on average stockholders’ equity of 12.50%

•Loan growth of 6.0%

•Average deposit growth of 9.7%

•21.2% fee revenue to total revenue1

Net income totaled $103.5 million, or $4.08 per diluted share, in 2023, compared to $59.2 million, or $2.48 per diluted share, in 2022. Net income in 2022 included merger costs, net of tax, of $17.0 million, or $0.72 per diluted share. There were no merger costs recorded in 2023. The return on average total assets was 1.38% in 2023, compared to 0.88% in 2022, and the return on average stockholders’ equity was 12.50% in 2023, compared to 8.55% in 2022. The unfavorable impact in 2022 of merger costs, net of tax, to return on average total assets was 0.25% and to return on average stockholders’ equity was 2.46%.

1 Total revenue is net interest income plus noninterest income.

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Financial Highlights

The following table sets forth certain financial highlights of FirstSun as of and for the year ended December 31,:

($ in thousands, except share and per share amounts)	2023			2022			2021
Income Statement:
Net interest income	$	293,431		$	241,632		$	155,233
Taxable equivalent adjustment	5,086			5,059			5,755
Net interest income - fully tax equivalent ("FTE") basis (non-GAAP) (3)	$	298,517		$	246,691		$	160,988
Provision for credit losses	$	18,247		$	18,050		$	3,000
Noninterest income	$	79,092		$	89,566		$	124,244
Noninterest expense	$	222,793		$	239,126		$	224,635
Net income	$	103,533		$	59,182		$	43,164
Per Common Share Data:
Weighted average diluted common shares	25,387,196			23,838,471			18,770,785
Net income (basic)	$	4.15		$	2.55		$	2.36
Net income (diluted)	$	4.08		$	2.48		$	2.30
Cash dividends	$	—		$	—		$	—
Dividend payout ratio	—		%	—		%	—		%
Book value	$	35.14		$	31.08		$	28.56
Tangible book value (non-GAAP) (3)	$	30.96		$	26.69		$	26.31
Performance Ratios:
Return on average total assets	1.38		%	0.88		%	0.79		%
Return on average stockholders' equity	12.50		%	8.55		%	8.37		%
Return on average tangible common stockholders' equity (non-GAAP) (3)	14.88		%	10.45		%	9.35		%
Net interest margin	4.23		%	3.87		%	3.00		%
Net interest margin (on FTE basis) (3)	4.29		%	3.95		%	3.11		%
Efficiency ratio (1)	59.81		%	72.20		%	80.38		%
Net charge-offs (recoveries) to average loans outstanding	0.13		%	(0.01)		%	0.09		%
Allowance for credit losses to loans	1.28		%	1.12		%	1.18		%
Nonperforming loans to total loans (2)	1.01		%	0.49		%	0.70		%
Balance Sheet:
Total loans, excluding loans held-for-sale	$	6,267,096		$	5,911,832		$	4,037,123
Total assets	$	7,879,724		$	7,430,322		$	5,666,814
Total deposits	$	6,374,103		$	5,765,062		$	4,854,948
Total borrowed funds	$	464,781		$	724,120		$	109,458
Total stockholders' equity	$	877,197		$	774,536		$	524,038
Capital Ratios:
Total risk-based capital to risk-weighted assets	13.25		%	11.99		%	11.76		%
Tier 1 risk-based capital to risk-weighted assets	11.10		%	9.94		%	9.70		%
Common Equity Tier 1 (CET 1) to risk-weighted assets	11.10		%	9.94		%	9.70		%
Tier 1 leverage capital to average assets	10.52		%	9.71		%	8.24		%
Average stockholders' equity to average total assets	11.05		%	10.28		%	9.43		%
Tangible common stockholders' equity to tangible assets (non-GAAP) (3)	9.94		%	9.09		%	8.58		%
Tangible common stockholders’ equity to tangible assets reflecting net unrealized losses on HTM securities, net of tax (non-GAAP) (3)	9.90		%	9.03		%	8.59		%
Nonfinancial Data:
Full-time equivalent employees	1,110			1,149			1,042
Banking branches	69			72			53
(1) The efficiency ratio is one measure of profitability in the banking industry. This ratio measures the cost of generating one dollar of revenue. That is, the ratio is designed to reflect the percentage of one dollar which must be expended to generate that dollar of revenue. We calculate this ratio by dividing noninterest expense by the sum of net interest income and noninterest income.
(2) Nonperforming loans include nonaccrual loans and accrual loans greater than 90 days past due. On January 1, 2023, we adopted ASU 2022-02, whereby we no longer recognize or account for TDRs. The loans previously classified as accrual TDRs are no longer considered nonperforming. We have adjusted prior periods to reflect this change in accounting.
(3) See section entitled “Non-GAAP Financial Measures and Reconciliations” for information regarding these non-GAAP financial measures and a reconciliation to the most comparable GAAP equivalent.

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Non-GAAP Financial Measures and Reconciliations

The non-GAAP financial measures presented below are used by our management and our board of directors on a regular basis in addition to our GAAP results to facilitate the assessment of our financial performance. Management believes these non-GAAP financial measures enhance an investor’s understanding of our financial results by providing a meaningful basis for period-to-period comparisons, assisting in operating results analysis, and predicting future performance. This information supplements our GAAP reported results, and should not be viewed in isolation from, or as a substitute for, our GAAP results. Accordingly, this financial information should be read in conjunction with our consolidated financial statements and notes thereto for the year ended December 31, 2023, included elsewhere in this report. Non-GAAP financial measures exclude certain items that are included in the financial results presented in accordance with GAAP. Non-GAAP financial measures have inherent limitations, are not required to be uniformly applied, and are not audited. Although these non-GAAP financial measures are frequently used by investors to evaluate a company, they have limitations as analytical tools, and should not be considered in isolation, or as a substitute for analyses of results as reported under GAAP. These non-GAAP measures are not necessarily comparable to similar measures that may be represented by other companies.

The following table presents GAAP to non-GAAP reconciliations as of and for the year ended December 31,:

($ in thousands, except share and per share amounts)	2023			2022			2021
Tangible common stockholders’ equity and tangible book value per common share:
Total common stockholders' equity (GAAP)	$	877,197		$	774,536		$	524,038
Less: Goodwill and other intangible assets
Goodwill	(93,483)			(93,483)			(33,050)
Other intangible assets	(10,984)			(15,806)			(8,250)
Tangible common stockholders' equity (non-GAAP)	$	772,730		$	665,247		$	482,738
Total common shares outstanding	24,960,639			24,920,984			18,346,288
Tangible book value per common share (non-GAAP)	$	30.96		$	26.69		$	26.31
Tangible net income:
Net Income (GAAP)	$	103,533		$	59,182		$	43,164
Add: Intangible amortization, net of tax	3,809			3,330			1,119
Tangible net income (non-GAAP)	$	107,342		$	62,512		$	44,283
Return on average tangible common stockholders’ equity:
Tangible net income (non-GAAP) (see above)	$	107,342		$	62,512		$	44,283
Total average common stockholders' equity (GAAP)	$	828,102		$	692,524		$	515,773
Less: Average goodwill and other intangible assets
Average goodwill	(93,483)			(78,582)			(33,050)
Average other intangible assets	(13,178)			(15,811)			(8,964)
Total average tangible common stockholders' equity (non-GAAP)	$	721,441		$	598,131		$	473,759
Return on average tangible common stockholders’ equity (non-GAAP)	14.88		%	10.45		%	9.35		%
Net interest margin - FTE basis:
Net interest income (GAAP)	$	293,431		$	241,632		$	155,233
Taxable equivalent adjustment	5,086			5,059			5,755
Net interest income - FTE basis (non-GAAP)	$	298,517		$	246,691		$	160,988
Average earning assets	$	6,935,567		$	6,244,221		$	5,180,650
Net interest margin - FTE basis (non-GAAP)	4.29		%	3.95		%	3.11		%
Tangible common stockholders’ equity to tangible assets:
Total assets (GAAP)	$	7,879,724		$	7,430,322		$	5,666,814
Less: Goodwill and other intangible assets
Goodwill	(93,483)			(93,483)			(33,050)
Other intangible assets	(10,984)			(15,806)			(8,250)
Total tangible assets (non-GAAP)	$	7,775,257		$	7,321,033		$	5,625,514
Tangible common stockholders’ equity (non-GAAP) (see above)	$	772,730		$	665,247		$	482,738
Tangible common stockholders’ equity to tangible assets (non-GAAP)	9.94		%	9.09		%	8.58		%

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($ in thousands, except share and per share amounts)	2023			2022			2021
Tangible common stockholders’ equity to tangible assets, reflecting net unrealized losses on HTM securities, net of tax:
Total tangible common stockholders' equity (non-GAAP) (see above)	$	772,730		$	665,247		$	482,738
Less: Net unrealized losses on HTM securities, net of tax	(3,629)			(4,295)			447
Total tangible common stockholders’ equity less net unrealized losses on HTM securities, net of tax (non-GAAP)	$	769,101		$	660,952		$	483,185
Total tangible assets (non-GAAP) (see above)	$	7,775,257		$	7,321,033		$	5,625,514
Less: Net unrealized losses on HTM securities, net of tax	(3,629)			(4,295)			447
Total tangible assets less net unrealized losses on HTM securities, net of tax (non-GAAP)	$	7,771,628		$	7,316,738		$	5,625,961
Tangible common stockholders’ equity to tangible assets (non-GAAP)	9.94		%	9.09		%	8.58		%
Tangible common stockholders’ equity to tangible assets reflecting net unrealized losses on HTM securities, net of tax (non-GAAP)	9.90		%	9.03		%	8.59		%
Net income excluding merger costs:
Net income (GAAP)	$	103,533		$	59,182		$	43,164
Add: Merger costs
Merger related expenses	—			18,751			3,085
Income tax effect on merger related expenses	—			(4,083)			(509)
Provision for loan loss on Pioneer loans marked at a premium	—			2,884			—
Income tax effect on provision for loan loss on Pioneer loans marked at a premium	—			(521)			—
Total merger costs	—			17,031			2,576
Net income excluding merger costs (non-GAAP)	$	103,533		$	76,213		$	45,740
Return on average total assets excluding merger costs:
Return on average total assets (ROAA) (GAAP)	1.38		%	0.88		%	0.79		%
Add: Impact of merger costs, net of tax	—		%	0.25		%	0.05		%
ROAA excluding merger costs (non-GAAP)	1.38		%	1.13		%	0.84		%
Return on average stockholders’ equity excluding merger costs:
Return on average stockholders' equity (ROAE) (GAAP)	12.50		%	8.55		%	8.37		%
Add: Impact of merger costs, net of tax	—		%	2.46		%	0.50		%
ROAE excluding merger costs (non-GAAP)	12.50		%	11.01		%	8.87		%
Efficiency ratio excluding merger related expenses:
Efficiency ratio (GAAP)	59.81		%	72.20		%	80.38		%
Less: Impact of merger related expenses	—		%	(5.66)		%	(1.11)		%
Efficiency ratio excluding merger related expenses (non-GAAP)	59.81		%	66.54		%	79.27		%
Diluted earnings per share excluding merger costs:
Diluted earnings per share (GAAP)	$	4.08		$	2.48		$	2.30
Add: Impact of merger costs, net of tax	—			0.72			0.14
Diluted earnings per share excluding merger costs (non-GAAP)	$	4.08		$	3.20		$	2.44

Segments

Our operations are conducted through two operating segments: Banking and Mortgage Operations. We also allocate certain expenses to Corporate, which is not an operating segment. The operating segments have been determined based on the products and services we offer and reflect the manner in which our financial information is currently evaluated by management. Each of the operating segments is complementary to each other and because of the interrelationship of the segments, the information presented is not indicative of how the segments would perform if they operated as independent entities. For additional information on our segments, see Note 23 - Segment Information included in our audited consolidated financial statements included elsewhere in this report.

Comparison of fiscal years 2023 and 2022

Banking

Income before income taxes increased $58.6 million to $147.2 million in 2023, from $88.5 million in 2022. The period over period increase was primarily driven by an increase in net interest income and to a lesser extent noninterest income and a reduction in noninterest expense, partially offset by an increase in provision for credit losses. Net interest income increased $50.7 million to $292.6 million in 2023 compared to $241.8 million in 2022. The increase in net interest income was primarily due to organic growth in our loan portfolios and an increase in net interest margin. Noninterest expense

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decreased $3.1 million to $175.7 million in 2023, compared to $178.8 million in 2022. The decrease in noninterest expense was primarily the result of the absence of merger costs in 2023 compared to $18.8 million ($0.62 diluted earnings per share) in merger-related expenses incurred in 2022 related to the Pioneer merger, partially offset by an increase in salary and employee benefits of $11.7 million and an increase of $3.1 million in occupancy expenses in 2023. Provision for credit losses increased $1.0 million to $15.8 million in 2023 compared to $14.8 million in 2022. The increase in the provision for credit losses was attributed to both organic loan growth and our implementation of a new allowance for credit loss methodology in 2023. For additional information on our new allowance for credit loss methodology see “Critical Accounting Estimates” below. Identifiable assets for our Banking segment grew by $0.3 billion to $6.9 billion at December 31, 2023 from $6.6 billion at December 31, 2022. The growth in identifiable assets was primarily driven by organic growth in our loan portfolios.

Mortgage Operations

Loss before income taxes increased to $6.5 million in 2023, compared to a loss of $4.6 million in 2022, primarily due to a $16.3 million decrease in mortgage banking services revenue, net, partially offset by a $13.1 million decrease in salary and employee benefits expenses from the decline in mortgage loan originations and reductions in staffing levels. MSR capitalization and changes in fair value, net of derivative activity, decreased $10.8 million for the year ended December 31, 2023, compared to 2022. The decrease in revenue related to our MSRs was primarily the result of market interest rate movement and the impact to fair values and overall origination activity, which led to a year over year decline in the net fair value for MSRs and the related derivative activity of $5.8 million, as the total fair value change for 2023 for MSRs, net of derivative activity, was a loss of $1.1 million. The year over year decline in capitalized servicing value for MSRs was $5.0 million. Overall gains on sale of mortgage loans declined by $4.6 million as a result of the decline in origination activity, continued margin compression, and a decline in the rate lock pipeline volume and valuation due to rising interest rates. Total loan originations for sale were $0.8 billion in 2023, a decline of $0.3 billion from $1.1 billion in 2022. The decline in gains from mortgage loan sales was partially offset by a $0.6 million increase in servicing fee income related to our mortgage servicing rights (“MSRs”), resulting from an increase of $0.2 billion in 2023 of the unpaid principal balance of loans serviced to $5.4 billion, from $5.2 billion in 2022.

Critical Accounting Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Our accounting and reporting estimates are in accordance with generally accepted accounting principles, or “U.S. GAAP,” and conform to general practices within the banking industry. Estimates that are susceptible to significant changes include accounting for the allowance for credit losses and fair value measurements, both of which require significant judgments by management. Actual results could result in material changes to our consolidated financial condition or consolidated results of operations.

Certain policies inherently have a greater reliance on the use of estimates, assumptions and judgments and, as such, have a greater possibility of producing results that could be materially different than originally reported. We have identified the determination of the allowance for credit losses and fair value measurements to be the accounting areas that require the most subjective or complex judgments and, as such, could be most subject to revision as new or additional information becomes available or circumstances change, including overall changes in the economic climate and/or market interest rates. Therefore, we consider these policies to be critical accounting estimates and discuss them directly with the Audit Committee of our board of directors. During the year ended December 31, 2023, we adopted ASU 2016-13, Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments which required a change to our estimate of the allowance for credit losses.

These critical accounting estimates and their application are reviewed at least annually by our audit committee. The following is a description of our critical accounting estimates and an explanation of the methods and assumptions underlying their application.

Allowance for Credit Losses - Management maintains an ACL for loans based upon management’s estimate of the lifetime expected credit losses in the loan portfolio, as of the balance sheet date, excluding loans held for sale. Additionally, management maintains an ACL for held-to-maturity or available-for-sale debt securities, and other off-balance sheet credit exposures (e.g., unfunded loan commitments). For loans and unfunded loan commitments, the estimate of lifetime credit losses includes the use of quantitative models that incorporate forward-looking macroeconomic scenarios that are applied over the contractual lives of the portfolios, adjusted, as appropriate, for prepayments and permitted extension options using historical experience. For purposes of the ACL for lending commitments, such allowance is determined using the same

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methodology as the ACL for loans, while also taking into consideration the probability of drawdowns or funding, and whether such commitments are cancellable by us. The ACL for held-to-maturity and available-for-sale debt securities is measured using a risk-adjusted discounted cash flow approach that also considers relevant current and forward-looking economic variables and the ACL is limited to the difference between the fair value of the security and its amortized cost. Judgment is specifically applied in the determination of economic assumptions, length of the initial loss forecast period, the reversion of losses beyond the initial forecast period, usage of macroeconomic scenarios, probabilities of default, losses given default, amortization and prepayment rates, and qualitative factors, which may not be adequately captured in the loss model, as further discussed below.

The macroeconomic scenarios utilized by management include variables that have historically been key drivers of increases and decreases in credit losses. These variables include, but are not limited to, unemployment rates, housing and commercial real estate prices, gross domestic product levels, corporate bond spreads and changes in equity market prices. Management derives the economic forecasts it uses in its ACL model from Moody’s Analytics. The latter has a large team of economics, database managers and operational engineers with a history of producing monthly economic forecasts for over 25 years.

Management has currently set an initial forecast period (“reasonable and supportable period”) of four years and a reversion period of one year, utilizing a straight-line approach and reverting back to the historical macroeconomic mean. After the reversion period, a historical loss forecast period covering the remaining contractual life, adjusted for prepayments, is used based on changes in key historical economic variables during representative historical expansionary and recessionary periods. Changes in economic forecasts impact the probability of default (“PD”), loss-given default (“LGD”), and exposure at default (“EAD”) for each instrument, and therefore influence the amount of future cash flows for each instrument that management does not expect to collect.

Further, management periodically considers the need for qualitative adjustments to the ACL. Qualitative adjustments may be related to and include, but not limited to, factors such as the following: (i) management’s assessment of economic forecasts used in the model and how those forecasts align with management’s overall evaluation of current and expected economic conditions; (ii) organization specific risks such as credit concentrations, collateral specific risks, nature, and size of the portfolio and external factors that may ultimately impact credit quality, and (iii) other limitations associated with factors such as changes in underwriting and loan resolution strategies, among others. The qualitative factors applied on January 1, 2023, and December 31, 2023, and the importance and levels of the qualitative factors applied, may change in future periods depending on the level of changes to items such as the uncertainty of economic conditions and management’s assessment of the level of credit risk within the loan portfolio as a result of such changes, compared to the amount of ACL calculated by the model. The evaluation of qualitative factors is inherently imprecise and requires significant management judgement.

The ACL can also be impacted by factors outside of management’s control, which include unanticipated changes in asset quality of the portfolio, such as deterioration in borrower delinquencies, or credit scores in our residential real estate and consumer portfolio. Further, the current fair value of collateral is utilized to assess the expected credit losses when a financial asset is considered to be collateral dependent.

Our process for determining ACL is further discussed in “Note 1- Basis of Presentation, Description of Business and Summary of Significant Accounting Policies” included in Item 8 of this Form 10-K.

Additionally, as an “emerging growth company” under Section 107 of the JOBS Act, we did not to adopt ASU 2016-13, Financial Instruments - Credit Losses (Topic 326) (CECL) until January 1, 2023. As such, our allowance for credit losses for years prior to 2023 may not be comparable to other public financial institutions that adopted CECL in an earlier year.

Fair Value Measurement of MSRs - Our residential mortgage servicing rights are measured at fair value on a recurring basis. We estimate the fair value of our MSRs using a process that utilizes a discounted cash flow model and analysis of current market data to arrive at the estimate. The cash flow assumptions used in the model are based on numerous factors, with the key assumptions being mortgage prepayment speeds, discount rates and cost to service that management believes are consistent with the assumptions that other similar market participants use in valuing MSRs. The change of any of these key assumptions due to market conditions or other factors could materially affect the fair value of our MSRs. We also utilize a third-party consulting firm to assist us with the valuation. Because of the nature of the valuation inputs, we classify the valuation of our MSRs as Level 3 in the fair value hierarchy. See Note 5 - Mortgage Servicing Rights included in our audited consolidated financial statements included elsewhere in this report for our assumptions used in valuing the MSRs. For information concerning the hypothetical sensitivity of the key assumptions under adverse changes on our MSRs, see

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the table under “Noninterest Income” elsewhere in the Management’s Discussion and Analysis of Financial Condition and Results of Operations in this report.

Results of Operations

Comparison of fiscal years 2023 and 2022

The follow table sets forth our results of operations as of and for the year ended December 31,:

($ in thousands, except per share amounts)	2023			2022			2021
Net interest income	$	293,431		$	241,632		$	155,233
Provision for credit losses	18,247			18,050			3,000
Noninterest income	79,092			89,566			124,244
Noninterest expense	222,793			239,126			224,635
Income before income taxes	131,483			74,022			51,842
Provision for income taxes	27,950			14,840			8,678
Net income	103,533			59,182			43,164
Diluted earnings per share	$	4.08		$	2.48		$	2.30
Return on average total assets	1.38		%	0.88		%	0.79		%
Return on average stockholders' equity	12.50		%	8.55		%	8.37		%
Net interest margin	4.23		%	3.87		%	3.00		%
Net interest margin (FTE basis) (1)	4.29		%	3.95		%	3.11		%
Efficiency ratio	59.81		%	72.20		%	80.38		%
Noninterest income to total revenue (2)	21.2		%	27.0		%	44.5		%
(1) See section entitled “Non-GAAP Financial Measures and Reconciliations” for information regarding these non-GAAP financial measures and a reconciliation to the most comparable GAAP equivalent. (2) Total revenue is presented net of interest expense.

General

Our results of operations depend significantly on net interest income, which is the difference between interest income on interest-earning assets, consisting primarily of interest income on loans and investment securities and interest expense on interest-bearing liabilities, consisting primarily of deposits and borrowings. Our results of operations are also dependent on our generation of noninterest income, consisting primarily of income from mortgage banking services, service charges on deposit accounts, trust and investment advisory fees and credit and debit card fees. Other factors contributing to our results of operations include our provisions for credit losses, income taxes, and noninterest expenses, such as salaries and employee benefits, occupancy and equipment, amortization of intangible assets and other operating costs.

Net Interest Income

Net interest income, representing interest income less interest expense, is a significant contributor to our revenues and earnings. We generate interest income from interest and dividends on interest-earning assets, which are principally comprised of loans and investment securities. We incur interest expense from interest owed or paid on interest-bearing liabilities, including interest-bearing deposits, FHLB advances and other borrowings. Net interest income and margin are shaped by the characteristics of the underlying products, including volume, term and structure of each product. We measure and monitor yields on our loans and other interest-earning assets, the costs of our deposits and other funding sources, our net interest spread and our net interest margin. Net interest spread is the difference between rates earned on interest-earning assets and rates paid on interest-bearing liabilities. Net interest margin is calculated as net interest income divided by average interest-earning assets.

Interest earned on our loan portfolio is the largest component of our interest income. Our loan portfolios are presented at the principal amount outstanding net of deferred origination fees and unamortized discounts and premiums. Interest income is recognized based on the principal balance outstanding and the stated rate of the loan. Loan origination fees and certain direct origination costs are capitalized and recognized as an adjustment of the yield on the related loan. Non-PCD loans acquired are initially recorded at fair value and the resulting discount or premium are recognized as an adjustment of the yield on the related loans.

Our net interest income can be significantly influenced by a variety of factors, including overall loan demand, economic conditions, credit risk, the amount of non-earning assets including nonperforming loans and OREO, the amounts of and

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rates at which assets and liabilities reprice, variances in prepayment of loans and securities, exercise of call options on borrowings or securities, a general rise or decline in interest rates, changes in the slope of the yield-curve, and balance sheet growth or contraction.

Our net interest income was $293.4 million for the year ended December 31, 2023, an increase of $51.8 million, or 21.4%, from 2022. Interest income on loans increased by $137.6 million for the year ended December 31, 2023, from 2022. Interest income on investment securities increased by $3.8 million for the year ended December 31, 2023, from 2022. Interest expense from total interest-bearing liabilities increased by $95.1 million for the year ended December 31, 2023, from 2022.

Total average loans, including loans held-for-sale grew to $6.2 billion at December 31, 2023, an increase of $1.0 billion, compared to December 31, 2022, primarily due to organic growth in our loan portfolios. Yield on loans held-for-investment increased 149 basis points for the year ended December 31, 2023, from 2022, primarily due to the rising interest rate environment and its impact on variable rate loans in the loan portfolio and higher yields on new originations.

Average interest-bearing liabilities increased $0.7 billion, or 17.5%, for the year ended December 31, 2023, from 2022 primarily to support the growth in our loan portfolio. Average interest-bearing deposits increased $0.7 billion, or 18.5%, for the year ended December 31, 2023, from 2022, with organic growth as the primary driver. Total cost of deposits increased by 192 basis points to 2.27% in 2023 compared to 2022, primarily due to increased pricing on our deposit products as a result of the rising interest rate environment. Average FHLB borrowings increased $54.4 million in 2023, compared to 2022. The cost of FHLB borrowings increased by 216 basis points to 5.05% in 2023, compared to 2022, also due to the rising interest rate environment.

Our net interest margin was 4.23% for the year ended December 31, 2023, compared to 3.87% for the same period in 2022, an increase of 36 basis points. We experienced a 169 basis point increase in yield from earning assets and our total cost of funds increased by 187 basis points for the year ended December 31, 2023, compared to the same period in 2022. While we have experienced a significant increase in our cost of funds in this rising interest rate environment, we do not expect our cost of funds to continue to rise in 2024 at the level of increase experienced in 2023.

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The following tables set forth information related to our average balance sheet, average yields on assets, and average costs of liabilities for the periods presented. We derived these yields by dividing income or expense by the average balance of the corresponding assets or liabilities. We derived average balances from the daily balances throughout the periods indicated.

As of and for the year ended December 31,:

	2023							2022							2021
(In thousands)	Average Balance		Interest			Average Yield/Rate		Average Balance		Interest			Average Yield/Rate		Average Balance		Interest			Average Yield/Rate
Interest Earning Assets
Loans (1)	$	6,178,414	$	385,637		6.24	%	$	5,216,212	$	247,988		4.75	%	$	3,906,458	$	159,303		4.08	%
Investment securities	554,433		17,032			3.07	%	605,119		13,185			2.18	%	531,803		7,979			1.50	%
Interest-bearing cash and other assets	202,720		11,015			5.43	%	422,890		5,644			1.33	%	742,389		2,072			0.28	%
Total earning assets	6,935,567		413,684			5.96	%	6,244,221		266,817			4.27	%	5,180,650		169,354			3.27	%
Other assets	556,083							494,065							288,617
Total assets	$	7,491,650						$	6,738,286						$	5,469,267
Interest-bearing liabilities
Demand and NOW deposits	$	385,424	$	11,574		3.00	%	$	214,516	$	1,775		0.83	%	$	254,679	$	756		0.30	%
Savings deposits	453,654		2,676			0.59	%	496,131		799			0.16	%	455,451		460			0.10	%
Money market deposits	2,122,410		28,301			1.33	%	2,528,308		6,770			0.27	%	2,208,498		4,292			0.19	%
Certificates of deposits	1,512,638		58,804			3.89	%	536,325		3,810			0.71	%	344,224		3,036			0.88	%
Total deposits	4,474,126		101,355			2.27	%	3,775,280		13,154			0.35	%	3,262,852		8,544			0.26	%
Repurchase agreements	28,316		225			0.80	%	54,335		119			0.22	%	125,867		59			0.05	%
Total deposits and repurchase agreements	4,502,442		101,580			2.26	%	3,829,615		13,273			0.35	%	3,388,719		8,603			0.25	%
FHLB borrowings	269,613		13,621			5.05	%	215,166		6,221			2.89	%	42,527		909			2.14	%
Other long-term borrowings	78,654		5,052			6.42	%	82,111		5,691			6.93	%	68,918		4,609			6.69	%
Total interest-bearing liabilities	4,850,709		120,253			2.48	%	4,126,892		25,185			0.61	%	3,500,164		14,121			0.40	%
Noninterest-bearing deposits	1,678,240							1,835,578							1,376,968
Other liabilities	134,599							83,292							76,362
Stockholders’ equity	828,102							692,524							515,773
Total liabilities and stockholders’ equity	$	7,491,650						$	6,738,286						$	5,469,267
Net interest income			$	293,431						$	241,632						$	155,233
Net interest spread			3.48		%					3.66		%					2.87		%
Net interest margin			4.23		%					3.87		%					3.00		%
Net interest margin (on a FTE basis) (2)			4.29		%					3.95		%					3.11		%
(1) Includes loans held-for-investment, including nonaccrual loans, and loans held-for-sale.
(2) See section entitled “Non-GAAP Financial Measures and Reconciliations” for information regarding these non-GAAP financial measures and a reconciliation to the most comparable GAAP equivalent.

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Rate-Volume Analysis

The tables below present the effect of volume and rate changes on interest income and expense. Changes in volume are changes in the average balance multiplied by the previous period’s average rate. Changes in rate are changes in the average rate multiplied by the average balance from the current period. The net changes attributable to the combined impact of both rate and volume have been allocated proportionately to the changes due to volume and the changes due to rate.

	For the year ended December 31,						For the year ended December 31,
	2023 Versus 2022 Increase (Decrease) Due to:						2022 Versus 2021 Increase (Decrease) Due to:
(In thousands)	Rate		Volume		Total		Rate		Volume		Total
Interest Earning Assets
Loans (1)	$	86,596	$	51,053	$	137,649	$	34,316	$	54,369	$	88,685
Investment securities	4,835		(988)		3,847		4,106		1,100		5,206
Interest-bearing cash	6,788		(1,417)		5,371		4,464		(892)		3,572
Total earning assets	98,219		48,648		146,867		42,886		54,577		97,463
Interest-bearing liabilities
Demand and NOW deposits	7,520		2,279		9,799		1,138		(119)		1,019
Savings deposits	1,939		(62)		1,877		298		41		339
Money market deposits	22,436		(905)		21,531		1,857		621		2,478
Certificates of deposits	39,086		15,908		54,994		(920)		1,694		774
Total deposits	70,981		17,220		88,201		2,373		2,237		4,610
Repurchase agreements	130		(24)		106		93		(33)		60
Total deposits and repurchase agreements	71,111		17,196		88,307		2,466		2,204		4,670
FHLB borrowings	5,528		1,872		7,400		1,621		3,691		5,312
Other long-term borrowings	(406)		(233)		(639)		200		882		1,082
Total interest-bearing liabilities	76,233		18,835		95,068		4,287		6,777		11,064
Net interest income	$	21,986	$	29,813	$	51,799	$	38,599	$	47,800	$	86,399

Provision for Credit Losses

We established an allowance for credit losses through a provision for credit losses charged as an expense in our consolidated statements of income. The provision for credit losses is the amount of expense that, based on our judgment, is required to maintain the allowance for credit losses at an adequate level to absorb expected losses in the loan portfolio at the balance sheet date and that, in management’s judgment, is appropriate under GAAP. Our determination of the amount of the allowance for credit losses and corresponding provision for credit losses considers ongoing evaluations of the credit quality and level of credit risk inherent in our loan portfolio, levels of nonperforming loans and charge-offs, statistical trends and economic and other relevant factors. The allowance for credit losses is increased by the provision for credit losses and is decreased by charge-offs, net of recoveries on prior loan charge-offs

We had a provision for credit losses of $18.2 million for the year ended December 31, 2023, compared to a provision for credit losses of $18.1 million for 2022. During 2022, our provision for credit losses was negatively impacted by $2.9 million for certain non-impaired loans acquired in the Pioneer Merger at a premium valuation. Upon elimination of the $2.9 million merger related provision for 2022, the adjusted increase in the provision for credit losses is $3.1 million for 2023. This adjusted increase is primarily due to loan growth and the charge-offs of two specific customer relationships in our loan portfolio.

For a further discussion of the allowance for credit losses, refer to the “Allowance for Credit Losses” section of this financial review.

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Noninterest Income

The following table presents noninterest income for the year ended December 31,:

(In thousands)	2023		2022		2021
Service charges on deposit accounts	$	21,345	$	18,211	$	12,504
Credit and debit card fees	12,000		11,511		9,596
Trust and investment advisory fees	5,693		6,806		7,795
Income from mortgage banking services, net	31,384		46,285		86,410
Other	8,670		6,753		7,939
Total noninterest income	$	79,092	$	89,566	$	124,244

Our noninterest income decreased $10.5 million to $79.1 million for the year ended December 31, 2023 from $89.6 million in 2022, primarily due to a decrease in income from mortgage banking services, net.

Service charges on deposit accounts includes overdraft and non-sufficient funds charges, treasury management services provided to our business customers, and other maintenance fees on deposit accounts. For the year ended December 31, 2023, service charges on deposit accounts increased $3.1 million, primarily due to growth in treasury management services provided to our business customers, as compared to 2022.

Credit and debit card fees represent interchange income from credit and debit card activity and referral fees earned from processing fees on card transactions by our business customers. Credit and debit card fees increased $0.5 million for the year ended December 31, 2023 compared to 2022, primarily due to increased card transaction volumes.

Trust and investment advisory fees represent fees we receive in connection with our investment advisory and custodial management services of investment accounts. Trust and investment advisory fees decreased $1.1 million for the year ended December 31, 2023 compared to 2022 primarily due to lower average assets under management.

The components of income from mortgage banking services, net, were as follows for the year ended December 31,:

(In thousands)	2023		2022		2021
Net sale gains and fees from mortgage loan originations, including loans held-for-sale changes in fair value and hedging	$	14,275	$	18,924	$	63,468
Mortgage servicing income	15,674		15,088		12,525
MSR capitalization and changes in fair value, net of derivative activity	1,435		12,273		10,417
Income from mortgage banking services, net	$	31,384	$	46,285	$	86,410

For the year ended December 31, 2023, income from mortgage banking services decreased $14.9 million, compared to 2022. We experienced a decline in revenue related to net sale gains and fees from mortgage loan originations, including fair value changes in the held-for-sale portfolio and hedging activity, which decreased $4.6 million for the year ended December 31, 2023, compared to 2022. Total loan originations for sale were $0.8 billion for the year ended December 31, 2023, a decline of $0.3 billion from $1.1 billion in 2022. We retain servicing rights on the majority of mortgage loans that we sell, which drove the increase in servicing income of $0.6 million to $15.7 million for the year ended December 31, 2023, from $15.1 million for 2022. MSR capitalization and changes in fair value, net of derivative activity, decreased $10.8 million for the year ended December 31, 2023, compared to 2022. The decrease in revenue related to our MSRs was primarily the result of market interest rate movement and the impact to fair values and overall origination activity, which led to a year over year decline in the net fair value for MSRs and the related derivative activity of $5.8 million, as the total fair value change for 2023 for MSRs, net of derivative activity, was a loss of $1.1 million. The year over year decline in capitalized servicing value for MSRs was $5.0 million. We recognize fair value adjustments to our MSR asset, which includes changes in assumptions to the valuation model and pay-offs and pay-downs of the MSR portfolio. See the impact of changes to our key MSR valuation assumptions in the table below.

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The following table shows the hypothetical effect on the fair value of our MSRs when applying certain unfavorable variations of key assumptions to these assets as of December 31, 2023.

(In thousands)	10%		20%
Discount rate	$	(3,451)	$	(6,265)
Total prepayment speeds	(2,982)		(5,394)
Cost of servicing each loan	(1,324)		(2,193)

These hypothetical sensitivities should be evaluated with care. The effect on fair value of an adverse change in assumptions generally cannot be determined because the relationship of the change in assumptions to the fair value may not be linear. Additionally, the impact of a variation in a particular assumption on the fair value is calculated while holding other assumptions constant. In reality, changes in one factor may lead to changes in other factors, which could impact the above hypothetical effects.

We also maintain a hedging strategy to manage a portion of the risk associated with changes in the fair value of our MSR portfolio. Changes in fair value of the derivative instruments used to economically hedge the MSRs are also included as a component of income from mortgage banking services. Due to a number of factors, including the overall elevated level of interest rates, low inventory in the housing market, lower refinance volumes and lower margin on loans sales, we expect revenue from mortgage banking activities to remain at a lesser level as compared to levels we experienced during the lower market rate environment experienced during 2021 and 2020.

Other noninterest income increased $1.9 million for the year ended December 31, 2023 compared to 2022, primarily due to an increase in the fair value of investments related to our deferred compensation plan.

Noninterest Expense

The following table presents noninterest expense for the year ended December 31,:

(In thousands)	2023		2022		2021
Salary and employee benefits	$	133,231	$	134,359	$	151,926
Occupancy and equipment	33,426		31,344		27,628
Amortization of intangible assets	4,822		4,215		1,417
Merger related expenses	—		18,751		3,085
Other (Note 18 - Other noninterest expenses)	51,314		50,457		40,579
Total noninterest expenses	$	222,793	$	239,126	$	224,635

Our noninterest expenses decreased $16.3 million to $222.8 million for the year ended December 31, 2023, from $239.1 million for 2022. The decrease is primarily due to the decrease of $18.8 million in merger related expenses. We incurred no merger related expenses for the year ended December 31, 2023. Our merger with Pioneer was completed on April 1, 2022.

The decrease of $1.1 million in our salary and employee benefits expense for the year ended December 31, 2023, compared to 2022, was driven by a decrease in commissions paid to our mortgage loan officers related to decreased mortgage origination activity during 2023, partially offset by annual compensation increases occurring in 2023.

Occupancy and equipment increased $2.1 million for the year ended December 31, 2023, compared to 2022. This increase was primarily due to having a full year of expenses related to the facilities acquired in the Pioneer merger in 2023 compared to only nine months in 2022.

Income Taxes

We had income tax expense for the year ended December 31, 2023 of $28.0 million, compared to $14.8 million in 2022. The increase in income tax expense was primarily due to our increased income during 2023. Our effective tax rate was 21.3% for the year ended December 31, 2023, compared to 20.0% in 2022. For additional information on our income taxes, see Note 17 - Income Taxes included in our audited consolidated financial statements included elsewhere in this report.

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Financial Condition

Balance Sheet

Our total assets were $7.9 billion at December 31, 2023, compared to $7.4 billion at December 31, 2022. Our total loans held-for-investment, net of deferred fees, costs, premiums and discounts were $6.3 billion at December 31, 2023, an increase of $0.4 billion from 2022, which was due to organic growth.

Investment Securities

Our securities portfolio is used to make various term investments, maintain a source of liquidity and serve as collateral for certain types of deposits and borrowings. We manage our investment portfolio according to written investment policies approved by our board of directors. Investment in our securities portfolio may change over time based on our funding needs and interest rate risk management objectives. Our liquidity levels take into account anticipated future cash flows and other available sources of funds, and are maintained at levels that we believe are appropriate to provide the necessary flexibility to meet our anticipated funding requirements.

Our investment securities portfolio consists of securities classified as available-for-sale and held-to-maturity. There were no trading securities in our investment portfolio as of December 31, 2023 and 2022. All available-for sale securities are carried at fair value and may be used for liquidity purposes should management consider it to be in our best interest.

Our securities available-for-sale decreased by $20.2 million to $516.8 million at December 31, 2023, compared to December 31, 2022. The decrease was primarily due to amortization of the portfolio and a decrease in fair value due to the rising interest rate environment. Securities held-to-maturity decreased $1.9 million to $37.0 million at December 31, 2023, compared to December 31, 2022, due to amortization of the portfolio.

The following table is a summary of our investment portfolio as of December 31,:

	2023				2022
(In thousands)	Carrying Amount		% of Portfolio		Carrying Amount		% of Portfolio
Available-for-sale:
U.S. treasury	$	54,234	10.5	%	$	56,649	10.5	%
U.S. agency	1,839		0.4	%	2,834		0.5	%
Obligations of states and political subdivisions	25,970		5.0	%	24,899		4.6	%
Mortgage backed - residential	106,433		20.6	%	116,135		21.6	%
Collateralized mortgage obligations	181,533		35.1	%	204,265		38.1	%
Mortgage backed - commercial	131,192		25.4	%	117,336		21.9	%
Other debt	15,556		3.0	%	14,855		2.8	%
Total available-for-sale	$	516,757	100	%	$	536,973	100	%
Held-to-maturity:
Obligations of states and political subdivisions	$	25,542	69.1	%	$	25,378	65.2	%
Mortgage backed - residential	7,548		20.4	%	8,705		22.4	%
Collateralized mortgage obligations	3,893		10.5	%	4,818		12.4	%
Total held-to-maturity	$	36,983	100	%	$	38,901	100	%

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The following tables show the weighted average yield to average life of each category of investment securities as of December 31, 2023:

(In thousands)	One year or less				One to five years				Five to ten years				After ten years
	Carrying Amount		Average Yield		Carrying Amount		Average Yield		Carrying Amount		Average Yield		Carrying Amount		Average Yield
Available-for-sale:
U.S. treasury	$	19,863	1.97	%	$	34,371	1.29	%	$	—	—	%	$	—	—	%
U.S. agency	—		—	%	1,016		7.00	%	823		6.00	%	—		—	%
Obligations of states and political subdivisions	—		—	%	—		—	%	11,281		3.00	%	14,689		3.00	%
Mortgage backed - residential	730		2.00	%	27,973		3.00	%	36,127		2.00	%	41,603		3.00	%
Collateralized mortgage obligations	2,633		3.00	%	31,433		3.00	%	133,539		4.00	%	13,928		2.00	%
Mortgage backed - commercial	1,445		3.00	%	40,964		4.00	%	88,783		3.00	%	—		—	%
Other debt	—		—	%	—		—	%	12,674		3.00	%	2,882		4.00	%
Total available-for-sale	$	24,671	2.15	%	$	135,757	2.97	%	$	283,227	3.17	%	$	73,102	2.53	%
Held-to-maturity:
Obligations of states and political subdivisions	$	—	—	%	$	1,018	2.06	%	$	—	—	%	$	24,524	3.52	%
Mortgage backed - residential	—		—	%	4,312		2.50	%	872		2.57	%	2,364		3.24	%
Collateralized mortgage obligations	—		—	%	1,941		2.67	%	1,952		3.13	%	—		—	%
Total held-to-maturity	$	—	—	%	$	7,271	2.49	%	$	2,824	2.95	%	$	26,888	3.50	%

We had no securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

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Loans

Our loan portfolio represents a broad range of borrowers primarily in our markets in Texas, Kansas, Colorado, New Mexico and Arizona, primarily comprised of commercial and industrial, commercial real estate, residential real estate, public finance and consumer financing loans. We have a diversified portfolio across a variety of industries, and the portfolio is generally centered in the states in which we have branch offices. Our lending focus continues to be on operating companies, including commercial and industrial loans and lines-of-credit, as well as owner occupied commercial real estate loans.

Total loans, net of deferred origination fees, premiums and discounts, as of December 31, 2023 and 2022 were $6.3 billion and $5.9 billion, respectively.

The following table sets forth the composition of our loan portfolio, as of December 31,:

	2023				2022
(In thousands)	Amount		% of total loans		Amount		% of total loans
Commercial and industrial	$	2,467,688	39.4	%	$	2,310,929	39.1	%
Commercial real estate:
Non-owner occupied	812,235		13.0	%	779,546		13.2	%
Owner occupied	635,365		10.2	%	636,272		10.8	%
Construction and land	345,430		5.5	%	327,817		5.5	%
Multifamily	103,066		1.6	%	102,068		1.7	%
Total commercial real estate	1,896,096		30.3	%	1,845,703		31.2	%
Residential real estate	1,110,610		17.7	%	1,003,931		17.0	%
Public finance	602,913		9.6	%	590,284		10.0	%
Consumer	36,371		0.6	%	42,588		0.7	%
Other	153,418		2.4	%	118,397		2.0	%
Total loans	$	6,267,096	100.0	%	$	5,911,832	100.0	%

Commercial and industrial loans include loans to commercial customers for use in normal business operations to finance working capital needs, equipment and inventory purchases, and other expansion projects. These loans are made primarily in our market areas and are underwritten on the basis of the borrower’s ability to service the debt from revenue, and are generally extended under our normal credit standards, controls and monitoring systems.

Commercial real estate (“CRE”) loans include owner occupied and non-owner occupied commercial real estate mortgage loans to operating commercial and agricultural businesses, and include both loans for long-term financing of land and buildings and loans made for the initial development or construction of a commercial real estate project. Non-owner occupied CRE loans were 85.2% of the Company’s risk-based capital, or 13.0% of total loans as of December 31, 2023. Non-owner occupied CRE loans associated with office space were $109.3 million, or 1.7% of total loans as of December 31, 2023. Owner occupied CRE loans associated with office space were $149.4 million, or 2.4% of total loans as of December 31, 2023.

Residential real estate loans represent loans to consumers collateralized by a mortgage on a residence and include purchase money, refinancing, secondary mortgages, and home equity loans and lines of credit.

Public finance loans include loans to our charter school and municipal based customers.

Consumer loans include direct consumer installment loans, credit card accounts, overdrafts and other revolving loans.

Other loans consist of loans to nondepository financial institutions, lease financing receivables and loans for agricultural production.

Maturities and Sensitivity of Loans to Changes in Interest Rates

The information in the following tables is based on the contractual maturities of individual loans, including loans that may be subject to renewal at their contractual maturity. Renewal of these loans is subject to review and credit approval, as well as modification of terms upon maturity. Actual repayments of loans may differ from the maturities reflected below because

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borrowers have the right to prepay obligations with or without prepayment penalties. The following tables summarize the loan maturity distribution by type and related interest rate characteristics as of December 31, 2023:

(In thousands)	One year or less		After one  through five years		After five through 15 years		After 15 years		Total
Commercial and industrial	$	365,676	$	1,758,252	$	315,581	$	28,179	$	2,467,688
Commercial real estate	281,637		1,096,504		457,250		60,705		1,896,096
Residential real estate	130,501		36,257		73,939		869,913		1,110,610
Public finance	5,011		86,345		393,174		118,383		602,913
Consumer	7,973		8,962		19,223		213		36,371
Other	34,258		97,971		17,568		3,621		153,418
Total loans	$	825,056	$	3,084,291	$	1,276,735	$	1,081,014	$	6,267,096

(In thousands)	One year or less		After one  through five years		After five through 15 years		After 15 years		Total		Total Loans Maturing After 1 Year
Loans maturing with:
Fixed interest rates
Commercial and industrial	$	14,997	$	301,557	$	204,803	$	550	$	521,907	$	506,910
Commercial real estate	141,231		675,340		96,524		2,665		915,760		774,529
Residential real estate	82,046		20,782		54,700		319,835		477,363		395,317
Public finance	5,011		83,294		389,521		118,383		596,209		591,198
Consumer	6,453		7,685		19,223		—		33,361		26,908
Other	8,992		23,390		17,560		3,621		53,563		44,571
Total fixed interest rate loans	$	258,730	$	1,112,048	$	782,331	$	445,054	$	2,598,163	$	2,339,433
Floating or adjustable interest rates
Commercial and industrial	$	350,679	$	1,456,695	$	110,778	$	27,629	$	1,945,781	$	1,595,102
Commercial real estate	140,406		421,164		360,726		58,040		980,336		839,930
Residential real estate	48,455		15,475		19,239		550,078		633,247		584,792
Public finance	—		3,051		3,653		—		6,704		6,704
Consumer	1,520		1,277		—		213		3,010		1,490
Other	25,266		74,581		8		—		99,855		74,589
Total floating or adjustable interest rate loans	$	566,326	$	1,972,243	$	494,404	$	635,960	$	3,668,933	$	3,102,607
Total loans	$	825,056	$	3,084,291	$	1,276,735	$	1,081,014	$	6,267,096	$	5,442,040

Allowance for Credit Losses

We maintain the allowance for credit losses at a level we believe is sufficient to absorb expected losses in our loan portfolio given the conditions at the time and our estimates of future economic conditions. Events that are not within our control, such as changes in economic factors, could change subsequent to the reporting date and could cause increases or decreases to the allowance. The amount of the allowance is affected by loan charge-offs, which decrease the allowance; recoveries on loans previously charged off, which increase the allowance; and the provision for credit losses charged to earnings, which increases the allowance.

In determining the provision for credit losses, management monitors fluctuations in the allowance resulting from actual charge-offs and recoveries and reviews the size and composition of the loan portfolio in light of current and anticipated economic conditions. This evaluation is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available or as events change.

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The following table presents, by loan type, the changes in the allowance for credit losses for the years ended December 31,:

(In thousands)	2023			2022			2021
Balance, beginning of period	$	65,917		$	47,547		$	47,766
Impact of adopting ASC 326	5,256			—			—
Adjusted beginning balance	$	71,173		$	47,547		$	47,766
Loan charge-offs:
Commercial and industrial	(9,242)			(2,321)			(4,296)
Commercial real estate	(83)			—			(375)
Residential real estate	(13)			(122)			(42)
Public finance	—			—			—
Consumer	(334)			(144)			(148)
Other	—			—			—
Total loan charge-offs	(9,672)			(2,587)			(4,861)
Recoveries of loans previously charged-off:
Commercial and industrial	1,118			2,236			1,547
Commercial real estate	12			388			28
Residential real estate	682			221			24
Public finance	—			—			—
Consumer	50			62			43
Other	—			—			—
Total loan recoveries	1,862			2,907			1,642
Net (charge-offs) recoveries	(7,810)			320			(3,219)
Provision for credit losses (1)	17,035			18,050			3,000
Balance, end of period	$	80,398		$	65,917		$	47,547
Allowance for credit losses to total loans	1.28		%	1.12		%	1.18		%
Ratio of net charge-offs (recoveries) to average loans outstanding	0.13		%	(0.01)		%	0.09		%
(1) For the years ended December 31, 2023, 2022 and 2021 we recorded a provision for credit losses on unfunded commitments of $1,212, $525 and $300, respectively. For further information, see Note 4 - Loans.

The following table presents net charge-offs (recoveries) to average loans outstanding by loan category for the years ended December 31,:

(In thousands)	2023		2022		2021
Commercial and industrial	0.30	%	—	%	0.19	%
Commercial real estate	—	%	(0.03)	%	0.03	%
Residential real estate	(0.07)	%	(0.01)	%	—	%
Public finance	—	%	—	%	—	%
Consumer	0.70	%	0.21	%	0.65	%
Other	—	%	—	%	—	%

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Allocation of Allowance for Credit Losses

The following table presents the allocation of the allowance for credit losses by category and the percentage of the allocation of the allowance for credit losses by category to total loans listed as of December 31,:

	2023				2022
(In thousands)	Allowance Amount		% of loans in each category to total loans		Allowance Amount		% of loans in each category to total loans
Commercial and industrial	$	29,523	39.4	%	$	40,785	39.1	%
Commercial real estate	27,546		30.3	%	19,754		31.2	%
Residential real estate	16,345		17.7	%	2,963		17.0	%
Public finance	5,337		9.6	%	1,664		10.0	%
Consumer	717		0.6	%	352		0.7	%
Other	930		2.4	%	399		2.0	%
Total	$	80,398	100.0	%	$	65,917	100.0	%

Nonperforming Assets

We have established policies and procedures to guide us in originating, monitoring and maintaining the credit quality of our loan portfolio. These policies and procedures are expected to be followed by our bankers and underwriters and exceptions to these policies require elevated levels of approval and are reported to our board of directors.

Nonperforming assets include all loans categorized as nonaccrual, accrual loans greater than 90 days past due, and other real estate owned and other repossessed assets. The accrual of interest on loans is discontinued, or the loan is placed on nonaccrual, when the full collection of principal and interest is in doubt. We do not generally accrue interest on loans that are 90 days or more past due. When a loan is placed on nonaccrual, previously accrued but unpaid interest is reversed and charged against interest income and future accruals of interest are discontinued. Payments by borrowers for loans on nonaccrual are applied to loan principal. Loans are returned to accrual status when, in our judgment, the borrower’s ability to satisfy principal and interest obligations under the loan agreement has improved sufficiently to reasonably assure recovery of principal and the borrower has demonstrated a sustained period of repayment performance. In general, we require a minimum of six consecutive months of timely payments in accordance with the contractual terms before returning a loan to accrual status.

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The following table sets forth our nonperforming assets as of December 31,:

(In thousands)	2023			2022
Nonaccrual loans:
Commercial and industrial	$	8,004		$	9,494
Commercial real estate	4,063			8,283
Residential real estate	22,413			10,628
Consumer	10			93
Other	2,837			471
Total nonaccrual loans	37,327			28,969
Accrual loans greater than 90 days past due (1)	25,816			98
Total nonperforming loans (2)	63,143			29,067
Other real estate owned and foreclosed assets, net	4,100			6,358
Total nonperforming assets	$	67,243		$	35,425
Nonaccrual loans to total loans	0.60		%	0.49		%
Nonperforming loans to total loans (3)	1.01		%	0.49		%
Nonperforming assets to total assets (3)	0.85		%	0.48		%
Allowance for credit losses to nonaccrual loans	215.39		%	227.54		%
(1) Loans greater than 90 days past due, still accruing at December 31, 2023 relates primarily to one borrower relationship where interest was paid current in February 2024. Contractual principal payments related to this borrower relationship were deferred until March 15, 2024. (2) On January 1, 2023, we adopted ASU 2022-02, whereby we no longer recognize or account for TDRs. The loans previously classified as accrual TDRs are no longer considered nonperforming. We have adjusted prior periods to reflect this change in accounting. (3) Nonperforming loans include nonaccrual loans and accrual loans greater than 90 days past due.

Deposits

Deposits represent our primary source of funds. Total deposits increased by $0.6 billion to $6.4 billion at December 31, 2023, compared to December 31, 2022.

We are focused on growing our core deposits through relationship-based banking with our business and consumer clients. The following table presents our deposits by customer type as of December 31,:

($ in thousands)	December 31, 2023		December 31, 2022
Consumer
Noninterest bearing deposit accounts	$	360,168	$	416,709
Interest-bearing deposit accounts:
Demand and NOW deposits	36,162		25,940
Savings deposits	343,291		418,101
Money market deposits	1,196,645		1,375,671
Certificates of deposits	1,437,537		662,831
Total interest-bearing deposit accounts	3,013,635		2,482,543
Total consumer deposits	$	3,373,803	$	2,899,252
Business
Noninterest bearing deposit accounts	$	1,170,338	$	1,403,781
Interest-bearing deposit accounts:
Demand and NOW deposits	555,197		236,641
Savings deposits	80,802		33,753
Money market deposits	825,811		907,379
Certificates of deposits	87,407		40,874
Total interest-bearing deposit accounts	1,549,217		1,218,647
Total business deposits	$	2,719,555	$	2,622,428
Wholesale deposits (1)	$	280,745	$	243,382
Total deposits	$	6,374,103	$	5,765,062
(1) Wholesale deposits consist of brokered deposits included in our consolidated balance sheets within interest-bearing accounts and in Note 10 - Deposits within certificates of deposits and savings and money market accounts.

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	2023				2022
(Dollars in thousands)	Average Balance		Average Rate Paid		Average Balance		Average Rate Paid
Noninterest-bearing demand deposit accounts	$	1,678,240	—	%	$	1,835,578	—	%
Interest-bearing deposit accounts:
Interest-bearing demand accounts	344,242		3.26	%	171,009		0.96	%
Savings accounts and money market accounts	2,576,064		1.20	%	3,024,439		0.25	%
NOW accounts	41,182		0.82	%	43,507		0.32	%
Certificate of deposit accounts	1,512,638		3.89	%	536,325		0.71	%
Total interest-bearing deposit accounts	4,474,126		2.27	%	3,775,280		0.35	%
Total deposits	$	6,152,366	1.65	%	$	5,610,858	0.23	%

As of December 31, 2023 and December 31, 2022, approximately $2.0 billion or 31.2% and $2.4 billion or 41.6%, respectively, of our deposit portfolio was uninsured. As of December 31, 2023 and December 31, 2022, approximately $1.6 billion or 25.1% and $1.7 billion or 28.7%, respectively, of our deposit portfolio was uninsured and uncollateralized. The uninsured and uninsured and uncollateralized amounts are estimates based on the methodologies and assumptions used for the Bank's regulatory reporting requirements.

We actively participate in the IntraFi Cash Service (“ICS”) / Certificate of Deposit Account Registry Service (“CDARS”) program which provides FDIC insurance coverage for clients that maintain larger deposit balances. Deposits in the ICS / CDARS program totaled $0.6 billion, or 9.2% of all deposits as of December 31, 2023, and $0.2 billion, or 4.1% of all deposits as of December 31, 2022.

Maturities of certificates of deposit that are in excess of the FDIC insurance limit of $250,000, by remaining time to maturity are summarized as follows as of December 31,:

(In thousands)	2023		2022
Three months or less	$	87,640	$	22,451
Over three months through twelve months	396,834		310,694
Over twelve months through three years	36,673		75,804
Over three years	592		961
Total	$	521,739	$	409,910

The following table sets forth the portion of the Bank's time deposits, by account, that are in excess of the FDIC insurance limit, by remaining time until maturity, as of December 31,:

(In thousands)	2023
Three months or less	$	54,875
Over three months through six months	30,141
Over six through twelve months	173,642
Over twelve months through three years	20,957
Over three years	439
Total	$	280,054

Liquidity

Liquidity refers to our ability to maintain cash flow that is adequate to fund operations, support asset growth, maintain reserve requirements and meet present and future obligations of deposit withdrawals, lending obligations and other contractual obligations.

FirstSun (Parent Company)

FirstSun has routine funding requirements consisting primarily of operating expenses, debt service, and funds used for acquisitions. FirstSun can obtain funding to meet its obligations from dividends collected from its subsidiaries, primarily the Bank, and through the issuance of varying forms of debt. At December 31, 2023, FirstSun had available cash and cash equivalents of $34.1 million and debt outstanding of $78.9 million. Management believes FirstSun has the ability to generate and obtain adequate amounts of liquidity to meet its requirements in the short-term and the long-term.

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Federal banking laws regulate the amount of dividends that may be paid by banking subsidiaries without prior approval. The Bank may declare dividends without prior regulatory approval that do not exceed the total of retained net income for the current year combined with its retained net income for the preceding two years, subject to maintenance of minimum capital requirements. Prior regulatory approval to pay dividends was not required in 2022 or 2023 and is not currently required. At December 31, 2023, the Bank could pay dividends to FirstSun of approximately $199.0 million without prior regulatory approval. During the year ended December 31, 2023, the Bank paid dividends totaling $26.0 million to FirstSun. During the year ended December 31, 2023, Logia paid dividends totaling $0.6 million to FirstSun.

Bank

The Bank’s liquidity management policy and our asset and liability management policy, or ALM policy, provides the framework that we use to seek to maintain adequate liquidity and sources of available liquidity at levels that will enable us to meet all reasonably foreseeable short-term, long-term and strategic liquidity demands. Our Asset and Liability Management Committee, or ALCO, is responsible for oversight of our liquidity risk management activities in accordance with the provisions of our ALM Policy and applicable bank regulatory capital and liquidity laws and regulations. Our liquidity risk management process includes (i) ongoing analysis and monitoring of our funding requirements under various economic and interest rate scenarios, (ii) review and monitoring of lenders, depositors, brokers and other liability holders to ensure appropriate diversification of funding sources and (iii) liquidity contingency planning to address liquidity needs in the event of unforeseen market disruption, including appropriate allocation of funds to a liquid portfolio of marketable securities and investments. We continuously monitor our liquidity position in order for our assets and liabilities to be managed in a manner that we believe will meet our immediate and long-term funding requirements. We seek to manage our liquidity position to meet the daily cash flow needs of customers, while maintaining an appropriate balance between assets and liabilities to meet the return on investment objectives of our stockholders. We also monitor our liquidity requirements in light of interest rate trends, changes in the economy, and the scheduled maturity and interest rate sensitivity of our securities and loan portfolios and deposits. Liquidity management is made more complicated because different balance sheet components are subject to varying degrees of management control. For example, the timing of maturities of our investment portfolio is fairly predictable and subject to a high degree of control when we make investment decisions. Net deposit inflows and outflows, however, are far less predictable and are not subject to the same degree of certainty.

Our liquidity position is supported by management of our liquid assets and liabilities and access to alternative sources of funds. Our short-term and long-term liquidity requirements are primarily to fund on-going operations, including payment of interest on deposits and debt, extensions of credit to borrowers and capital expenditures. These liquidity requirements are met primarily through our deposits, FHLB advances and the principal and interest payments we receive on loans and investment securities. Cash, interest-bearing deposits in third-party banks, securities available for sale and maturing or prepaying balances in our investment and loan portfolios are our most liquid assets. Other sources of liquidity that are available to us include the sale of loans we hold for investment, the ability to acquire additional national market non-core deposits, borrowings through the Federal Reserve’s discount window and the issuance of debt or equity securities.

At December 31, 2023, our liquid assets, which consist of cash and amounts due from banks and interest-bearing deposits in other financial institutions, amounted to $473.0 million, or 6.0% of total assets, compared to $307.9 million, or 4.1% of total assets, at December 31, 2022. The increase in our liquid assets was primarily due to an increase in cash held at the Federal Reserve. At December 31, 2023, approximately 85% of the investment securities portfolio was pledged as collateral to secure public deposits and repurchase agreements. Our unencumbered available-for-sale securities at December 31, 2023 were $81.5 million, or 1.0% of total assets, compared to $120.4 million, or 1.6% of total assets, at December 31, 2022.

The liability portion of our balance sheet serves as a primary source of liquidity. We plan to meet our future cash needs primarily through the generation of deposits. Customer deposits have historically provided a sizeable source of relatively stable and low-cost funds. At December 31, 2023, loans as a percentage of customer deposits were 98.3%, compared with 102.5% at December 31, 2022. For additional information related to our deposits, see Deposits section above. We are also a member of the FHLB and FRB, from which we can borrow for leverage or liquidity purposes. The FHLB and FRB requires that securities and qualifying loans be pledged to secure any advances. Liquidity sources available to us for immediate funding at December 31, 2023, are as follows:

FHLB borrowings available	$	706,367
Fed Funds lines	2,028,410
Unused lines with other financial institutions	309,917
Immediate funding availability	$	3,044,694

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Management believes the Bank has the ability to generate and obtain adequate amounts of liquidity to meet its requirements in the short-term and the long-term.

Capital

Stockholders’ equity at December 31, 2023 was $877.2 million, compared to $774.5 million at 2022, an increase of $102.7 million, or 13.3%. The increase in stockholders’ equity relates primarily to net income for the year ended December 31, 2023. We did not pay a dividend to our common shareholders during the years ended December 31, 2023 or 2022.

Capital Adequacy

We are subject to various regulatory capital requirements administered by the federal banking agencies. Management routinely analyzes our capital to seek to ensure an optimized capital structure. For further information on capital adequacy see Note 19 - Regulatory Capital Matters to the consolidated financial statements.

Material Contractual Obligations, Commitments, and Contingent Liabilities

We have entered into contractual obligations in the normal course of business that involve elements of credit risk, interest rate risk and liquidity risk.

The following table summarizes our material contractual obligations as of December 31, 2023. Further discussion of each obligation or commitment is included in the referenced note to the consolidated financial statements.

(In thousands)	Note Reference	Total		Less than 1 Year		1 - 3 Years		3 - 5 Years		More than 5 Years
Deposits:
Deposits without a stated maturity	10	$	4,597,534	$	4,597,534	$	—	$	—	$	—
Certificates of deposit	10	1,776,569		1,347,310		418,262		8,038		2,959
Securities sold under agreements to repurchase	11	24,693		24,693		—		—		—
Short-term debt:
FHLB LOC	12	389,468		389,468		—		—		—
Long-term debt:
Subordinated debt	12	78,919		—		—		—		78,919
Operating leases	25	28,122		7,146		10,531		5,158		5,287

We are party to various derivative contracts as a means to manage the balance sheet and our related exposure to changes in interest rates, to manage our residential real estate loan origination and sale activity, and to provide derivative contracts to our clients. Since the derivative liabilities recorded on the balance sheet change frequently and do not represent the amounts that may ultimately be paid under these contracts, these liabilities are not included in the table of contractual obligations presented above. Further discussion of derivative instruments is included in Note 8 - Derivative Financial Instruments to the consolidated financial statements.

In the normal course of business, various legal actions and proceedings are pending against us and our affiliates which are incidental to the business in which they are engaged. Further discussion of contingent liabilities is included in Note 24 - Commitments and Contingencies to the consolidated financial statements.

We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit, commercial letters of credit and standby letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the consolidated statements of financial condition. The contractual or notional amounts of those instruments reflect the extent of involvement we have in particular classes of financial instruments. Further discussion of contingent liabilities is included in Note 24 - Commitments and Contingencies to the consolidated financial statements.

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Item 7A. Quantitative and Qualitative Disclosures About Market Risk

Market risk is the risk of reduced earnings and/or declines in the net market value of the balance sheet due to changes in market rates. Our primary market risk is interest rate risk which impacts our net interest income, fee income related to interest sensitive activities such as mortgage origination and servicing income and loan and deposit demand.

We are subject to interest rate risk due to:

•the maturity or repricing of assets and liabilities at different times or for different amounts;

•differences in short-term and long-term market interest rate changes; and

•the remaining maturity of various assets or liabilities may shorten or lengthen as interest rates change.

Our Asset Liability Committee, or ALCO, which is composed of our executive officers and certain other members of management, monitors interest rate risk on an ongoing basis in accordance with policies approved by our board of directors. The ALCO reviews interest rate positions and considers the impact projected interest rate scenarios have on earnings, liquidity, business strategies and other factors. However, management has the latitude to change interest rate positions within certain limits if, in management’s judgment, the change will enhance profitability or minimize risk.

To assess and manage interest rate risk, sensitivity analysis is used to determine the impact on earnings and the net market value of the balance sheet across various interest rate scenarios, balance sheet trends, and strategies.

Management uses a simulation model to analyze the sensitivity of net interest income to changes in interest rates across various interest rate scenarios, which seeks to demonstrate the level of interest rate risk inherent in the existing balance sheet. The analysis holds the current balance sheet values constant and does not take into account management intervention.

Additionally our simulation model incorporates various key assumptions, which we believe are reasonable, but may have an impact on the results such as: (1) we assume certain correlation rates, often referred to as “deposit beta,” for interest-bearing deposits, wherein the rates paid to customers change relative to changes in benchmark interest rates, (2) cash flows and maturities of interest sensitive assets and liabilities, (3) re-pricing characteristics for market rate sensitive instruments, (4) prepayment rates and product mix of assets and liabilities, and (5) simulations do not contemplate any actions management may undertake in response to changes in interest rates. Because of limitations in any approach used to measure interest rate risk, simulation results are not intended to forecast actual results driven by the effect of a change in market rates but to better plan and execute appropriate asset-liability management strategies and manage our interest rate risk.

The primary impact of inflation on operations is reflected in increasing operating costs and non-interest expense. Our interest-bearing assets and liabilities are monetary in nature and changes in interest rates will impact our performance on net interest margin more than changes in the general rate of inflation.

The effect on net interest income over a 12-month time horizon due to hypothetical changes in market interest rates is presented in the table below. In this interest rate shock simulation, as of the periods presented, interest rates have been adjusted by instantaneous parallel changes rather than in a ramp simulation, which applies interest rate changes over time. All rates, short-term and long-term, are changed by the same amount (e.g., plus or minus 100 basis points) resulting in the shape of the yield curve remaining unchanged.

	% Change in Net Interest Income As of December 31,				% Change in Economic Value of Equity As of December 31,
Changes in Interest Rate (Basis Points)	2023		2022		2023		2022
+300	4.3	%	6.8	%	(13.2)	%	(10.3)	%
+200	2.9	%	4.6	%	(8.9)	%	(6.8)	%
+100	1.3	%	2.2	%	(4.7)	%	(3.5)	%
Base	—	%	—	%	—	%	—	%
-100	0.3	%	(0.3)	%	3.5	%	2.8	%
-200	0.7	%	(4.9)	%	6.4	%	3.4	%
-300	(0.9)	%	(10.5)	%	8.0	%	3.6	%

83

Item 8. Financial Statements

Index to Consolidated Financial Statements

	Page
Report of Independent Registered Public Accounting Firm (PCAOB ID: 173)	85
Consolidated Balance Sheets	86
Consolidated Statements of Income and Comprehensive Income	87
Consolidated Statements of Stockholders' Equity	88
Consolidated Statements of Cash Flows	89
Notes to Consolidated Financial Statements	91
Note 1 - Basis of Presentation, Description of Business and Summary of Significant Accounting Policies	91
Note 2 - Merger with Pioneer Bancshares, Inc.	103
Note 3 - Securities	105
Note 4 - Loans	108
Note 5 - Mortgage Servicing Rights	117
Note 6 - Premises and Equipment	118
Note 7 - Core Deposits and Other Intangible Assets	118
Note 8 - Derivative Financial Instruments	119
Note 9 - Prepaid Expenses and Other Assets	121
Note 10 - Deposits	122
Note 11 - Securities Sold Under Agreements to Repurchase	123
Note 12 - Debt	123
Note 13 - Accrued Expenses and Other Liabilities	125
Note 14 - Earnings Per Share	126
Note 15 - Accumulated Other Comprehensive Income	126
Note 16 - Stockholders' Equity	127
Note 17 - Income Taxes	130
Note 18 - Other Noninterest Expenses	132
Note 19 - Regulatory Capital Matters	132
Note 20 - Transactions with Related Parties	134
Note 21 - Fair Value Measurements	134
Note 22 - Parent Company Only Condensed Financial Information	138
Note 23 - Segment Information	140
Note 24 - Commitments and Contingencies	144
Note 25 - Leases	146
Note 26 - Revenue from Contracts with Customers	147
Note 27 - Subsequent Events	148

84

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Stockholders and the Board of Directors of FirstSun Capital Bancorp and Subsidiaries

Denver, Colorado

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of FirstSun Capital Bancorp and Subsidiaries (the "Company") as of December 31, 2023 and 2022, the related consolidated statements of income and comprehensive income, stockholders’ equity, and cash flows for each of the three years in the period ended December 31, 2023, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2023, in conformity with accounting principles generally accepted in the United States of America.

Explanatory Paragraph - Change in Accounting Principle

As discussed in Note 1 to the financial statements, the Company has changed its method of accounting for credit losses effective January 1, 2023 due to the adoption of ASU 2016-13 Financial Instruments – Credit Losses (ASC Topic 326). The Company adopted the new credit loss standard using the modified retrospective method such that prior period amounts are not adjusted and continue to be reported in accordance with previously applicable generally accepted accounting principles.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) ("PCAOB") and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Crowe LLP

                                Crowe LLP

We have served as the Company's auditor since 2014.

Dallas, Texas

March 7, 2024

85

FIRSTSUN CAPITAL BANCORP

and Subsidiaries

Consolidated Balance Sheets

As of December 31,

(In thousands, except par and share amounts)	2023		2022
Assets
Cash and cash equivalents	$	479,362	$	343,526
Securities available-for-sale, at fair value	516,757		536,973
Securities held-to-maturity, fair value of $32,181 and $33,218, respectively	36,983		38,901
Loans held-for-sale, at fair value	54,212		57,323
Loans, net of allowance for credit losses of $80,398 and $65,917, respectively	6,186,698		5,845,915
Mortgage servicing rights, at fair value	76,701		74,097
Premises and equipment, net	84,842		88,114
Other real estate owned and foreclosed assets, net	4,100		6,358
Bank-owned life insurance	79,851		77,923
Restricted equity securities	38,072		50,215
Goodwill	93,483		93,483
Core deposits and other intangible assets, net	10,984		15,806
Accrued interest receivable	37,099		28,543
Deferred tax assets, net	46,259		48,355
Prepaid expenses and other assets	134,321		124,790
Total assets	$	7,879,724	$	7,430,322
Liabilities and Stockholders’ Equity
Liabilities:
Deposits:
Noninterest-bearing accounts	$	1,530,506	$	1,820,490
Interest-bearing accounts	4,843,597		3,944,572
Total deposits	6,374,103		5,765,062
Securities sold under agreements to repurchase	24,693		36,721
Federal Home Loan Bank advances	389,468		643,885
Convertible notes payable, net	—		5,355
Subordinated debt, net	75,313		74,880
Accrued interest payable	13,580		5,798
Accrued expenses and other liabilities	125,370		124,085
Total liabilities	7,002,527		6,655,786
Commitments and contingencies (Note 24)
Stockholders’ equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued or outstanding, respectively	—		—
Common stock, $0.0001 par value; 50,000,000 shares authorized; 24,960,639 and 24,920,984 shares issued; 24,960,639 and 24,920,984 shares outstanding, respectively	2		2
Additional paid-in capital	462,680		460,720
Retained earnings	457,522		357,797
Accumulated other comprehensive loss, net	(43,007)		(43,983)
Total stockholders’ equity	877,197		774,536
Total liabilities and stockholders’ equity	$	7,879,724	$	7,430,322

The accompanying notes are an integral part of these consolidated financial statements.

86

FIRSTSUN CAPITAL BANCORP

and Subsidiaries

Consolidated Statements of Income and Comprehensive Income

For the years ended December 31,

(In thousands, except per share amounts)	2023		2022		2021
Interest income:
Interest and fee income on loans:
Taxable	$	366,523	$	228,967	$	137,669
Tax exempt	19,114		19,021		21,634
Interest and dividend income on securities:
Taxable	17,014		13,176		7,964
Tax exempt	18		9		15
Other interest income	11,015		5,644		2,072
Total interest income	413,684		266,817		169,354
Interest expense:
Interest expense on deposits	101,355		13,154		8,544
Interest expense on securities sold under agreements to repurchase	225		119		59
Interest expense on other borrowed funds	18,673		11,912		5,518
Total interest expense	120,253		25,185		14,121
Net interest income	293,431		241,632		155,233
Provision for credit losses	18,247		18,050		3,000
Net interest income after credit loss expense	275,184		223,582		152,233
Noninterest income:
Service charges on deposit accounts	21,345		18,211		12,504
Credit and debit card fees	12,000		11,511		9,596
Trust and investment advisory fees	5,693		6,806		7,795
Income from mortgage banking services, net	31,384		46,285		86,410
(Loss) gain on other real estate owned and foreclosed assets activity, net	(106)		164		766
Other noninterest income	8,776		6,589		7,173
Total noninterest income	79,092		89,566		124,244
Noninterest expense:
Salary and employee benefits	133,231		134,359		151,926
Occupancy and equipment	33,426		31,344		27,628
Amortization of intangible assets	4,822		4,215		1,417
Merger related expenses	—		18,751		3,085
Other noninterest expenses	51,314		50,457		40,579
Total noninterest expense	222,793		239,126		224,635
Income before income taxes	131,483		74,022		51,842
Provision for income taxes	27,950		14,840		8,678
Net income	$	103,533	$	59,182	$	43,164
Other comprehensive income, net of tax:
Gain (loss) on securities available-for-sale	758		(47,821)		(7,455)
Gain on fair value hedges of securities available-for-sale	218		2,174		—
Other comprehensive income (loss), net of tax	976		(45,647)		(7,455)
Comprehensive income	$	104,509	$	13,535	$	35,709
Earnings per share:
Net income available to common stockholders	$	103,533	$	59,182	$	43,164
Basic	$	4.15	$	2.55	$	2.36
Diluted	$	4.08	$	2.48	$	2.30

The accompanying notes are an integral part of these consolidated financial statements.

87

FIRSTSUN CAPITAL BANCORP

and Subsidiaries

Consolidated Statements of Stockholders’ Equity

For the years ended December 31,

(in thousands, except share amounts)	Issued shares of common stock	Common stock		Additional paid-in capital		Treasury stock		Retained earnings		Accumulated other comprehensive income (loss)		Total stockholders’ equity
Balance as of January 1, 2021	19,878,713	$	2	$	259,363	$	(38,148)	$	255,451	$	9,119	$	485,787
Issuance of common stock on restricted stock grants	24,629	—		812		—		—		—		812
Share-based compensation, net of forfeitures	—	—		1,730		—		—		—		1,730
Net income	—	—		—		—		43,164		—		43,164
Other comprehensive income	—	—		—		—		—		(7,455)		(7,455)
Balance as of December 31, 2021	19,903,342	$	2	$	261,905	$	(38,148)	$	298,615	$	1,664	$	524,038
Merger with Pioneer Bancshares, Inc. (Issuance of treasury stock (1,557,054 shares)	4,910,412	—		197,946		38,148		—		—		236,094
Issuance of common stock on restricted stock grants	11,344	—		270		—		—		—		270
Stock option exercises	95,886	—		(579)		—		—		—		(579)
Share-based compensation, net of forfeitures	—	—		1,178		—		—		—		1,178
Net income	—	—		—		—		59,182		—		59,182
Other comprehensive loss	—	—		—		—		—		(45,647)		(45,647)
Balance as of December 31, 2022	24,920,984	$	2	$	460,720	$	—	$	357,797	$	(43,983)	$	774,536
Cumulative effect of accounting change	—	—		—		—		(3,808)		—		(3,808)
Adjusted beginning balance	24,920,984	2		460,720		—		353,989		(43,983)		770,728
Issuance of common stock on restricted stock grants	15,007	—		371		—		—		—		371
Stock option exercises	24,648	—		(167)		—		—		—		(167)
Share-based compensation, net of forfeitures	—	—		1,756		—		—		—		1,756
Net income	—	—		—		—		103,533		—		103,533
Other comprehensive income	—	—		—		—		—		976		976
Balance as of December 31, 2023	24,960,639	$	2	$	462,680	$	—	$	457,522	$	(43,007)	$	877,197

The accompanying notes are an integral part of these consolidated financial statements.

88

FIRSTSUN CAPITAL BANCORP

and Subsidiaries

Consolidated Statements of Cash Flows

For the year ended December 31,

(In thousands)	2023		2022		2021
Cash flows from operating activities:
Net income	$	103,533	$	59,182	$	43,164
Adjustments to reconcile income to net cash provided by operating activities:
Provision for credit losses	18,247		18,050		3,000
Depreciation and amortization on premises and equipment	7,420		7,953		7,181
Deferred tax expense	3,012		9,203		3,145
Amortization of net premium on securities	1,004		2,076		3,399
Accretion of net discount on acquired loans	(3,204)		(1,308)		(1,142)
Net change in deferred loan origination fees and costs	(1,178)		1,182		617
Amortization of core deposits and other intangible assets	4,822		4,215		1,417
Amortization of premium on acquired deposits	(966)		(1,052)		(45)
Accretion of discount on subordinated debt	286		254		256
Amortization of issuance costs on subordinated debt	147		145		93
Accretion of discount on convertible notes payable	101		1,131		746
Accretion of discount on Federal Home Loan Bank advances	—		76		—
Increase in cash surrender value of bank-owned life insurance	(1,928)		(1,682)		(1,276)
Impairment of premises and equipment	—		720		—
Impairment of other real estate owned and foreclosed assets	286		94		217
Federal Home Loan Bank stock dividends	(1,560)		(712)		(407)
Share-based compensation expense	2,127		1,448		2,998
Decrease (increase) in fair value of mortgage servicing rights	6,649		(12,418)		5,606
Net loss on sales of loans held-for-investment	—		—		701
Net loss on disposal of premises and equipment	120		86		76
Net loss (gain) on other real estate owned and foreclosed assets activity	106		(164)		(824)
Net gain on sales of loans held-for-sale	(3,491)		(11,782)		(61,403)
Origination of loans held-for-sale	(791,017)		(1,090,759)		(2,165,255)
Proceeds from sales of loans held-for-sale	788,367		1,137,793		2,292,828
Changes in operating assets and liabilities:
Lease right-of-use assets	(660)		3,282		—
Accrued interest receivable	(8,556)		(9,835)		655
Prepaid expenses and other assets	(11,397)		(22,992)		(6,769)
Accrued interest payable	7,782		3,022		(223)
Accrued expenses and other liabilities	5,124		(293)		(15,646)
Net cash provided by operating activities	$	125,176	$	96,915	$	113,109

The accompanying notes are an integral part of these consolidated financial statements.

89

FIRSTSUN CAPITAL BANCORP

and Subsidiaries

Consolidated Statements of Cash Flows (continued)

For the years ended December 31,

(In thousands)	2023		2022		2021
Cash flows from operating activities: (previous page)	$	125,176	$	96,915	$	113,109
Cash flows from investing activities:
Cash acquired in excess of cash paid in connection with Pioneer Merger	—		444,542		—
Purchases of held-to-maturity securities	—		(335)		—
Proceeds from maturities of held-to-maturity securities	2,007		3,626		13,835
Purchases of available-for-sale securities	(21,555)		(66,606)		(248,736)
Proceeds from sale or maturities of available-for-sale securities	41,669		170,410		131,899
Loan originations, net of repayments	(362,778)		(1,064,293)		(215,281)
Proceeds from the sale of loans held-for-sale previously classified as held-for-investment	—		—		18,544
Purchases of premises and equipment	(4,268)		(2,196)		(3,455)
Proceeds from the sale of premises and equipment	—		2		5
Proceeds from sales of other real estate owned and foreclosed assets	5,952		867		2,089
Purchases of restricted equity securities	(51,076)		(39,785)		(57)
Proceeds from the sale or redemption of restricted equity securities	64,779		15,842		7,400
Purchase of other investments	(2,677)		(939)		(686)
Proceeds from the sale or redemption of other investments	668		745		519
Net cash used in investing activities	(327,279)		(538,120)		(293,924)
Cash flows from financing activities:
Net change in deposits	610,007		(280,914)		701,444
Net change in securities sold under agreements to repurchase	(12,028)		(55,372)		(23,278)
Proceeds from Federal Home Loan Bank advances	2,041,468		760,885		—
Repayments of Federal Home Loan Bank advances	(2,295,885)		(317,000)		(30,411)
Proceeds from subordinated debt, net	—		24,466		—
Proceeds from issuance of common stock, net of issuance costs	(167)		(579)		(456)
Repayments of convertible notes payable	(5,456)		(15,217)		—
Net cash provided by financing activities	337,939		116,269		647,299
Net increase (decrease) in cash and cash equivalents	135,836		(324,936)		466,484
Cash and cash equivalents, beginning of period	343,526		668,462		201,978
Cash and cash equivalents, end of period	$	479,362	$	343,526	$	668,462
Supplemental disclosures of cash flow information:
Interest paid on deposits	$	92,085	$	12,040	$	8,753
Interest paid on borrowed funds	$	20,459	$	14,118	$	5,667
Cash paid for income taxes, net	$	28,459	$	6,183	$	6,601
Non-cash investing and financing activities:
Assets acquired from merger with Pioneer Bancshares, Inc.	$	—	$	1,085,506	$	—
Liabilities assumed from merger with Pioneer Bancshares, Inc.	$	—	$	1,354,387	$	—
Right-of-use lease assets obtained in exchange for lessee operating lease liabilities	$	2,696	$	35,212	$	—
Net change in unrealized loss on available-for-sale securities and unrealized gain on fair value hedges of securities available-for-sale	$	1,291	$	(45,647)	$	(9,870)
Loan charge-offs	$	9,672	$	2,587	$	4,861
Premises and equipment transferred to other real estate owned and foreclosed assets	$	—	$	338	$	1,038
Loans transferred to other real estate owned and foreclosed assets	$	4,086	$	1,331	$	2,577
Mortgage servicing rights resulting from sale or securitization of mortgage loans	$	9,253	$	14,287	$	23,854

The accompanying notes are an integral part of these consolidated financial statements.

90

FIRSTSUN CAPITAL BANCORP and Subsidiaries

Notes to Consolidated Financial Statements

($ in thousands, except share and per share amounts)

NOTE 1 - Basis of Presentation, Description of Business and Summary of Significant Accounting Policies

a.Principles of Consolidation - The consolidated financial statements include the accounts of FirstSun Capital Bancorp (“FirstSun” or “Parent Company”) and its wholly-owned subsidiaries, Sunflower Bank, N.A. (the “Bank”), Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC, and have been prepared using U.S. generally accepted accounting principles (“U.S. GAAP”) and prevailing practices in the banking industry. All significant intercompany balances and transactions have been eliminated. These entities are collectively referred to as “our”, “us”, “we”, or “the Company”.

b.Nature of Operations - The Bank’s headquarters were relocated to Dallas, Texas from Denver, Colorado in 2023. The Bank primarily operates throughout Texas, Kansas, Colorado, New Mexico and Arizona providing a full range of commercial and consumer banking and financial services to small and medium-sized companies. Its primary deposit products are checking, savings and term certificate accounts. Its primary wealth management and trust products are personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. Its primary lending products are residential mortgage, commercial and consumer loans. Substantially all loans are secured by specific items of collateral, including business assets, consumer assets, and commercial and residential real estate. Commercial and industrial loans are generally expected to be repaid from the borrower’s cash flow from operations.

c.Business Combinations - On April 1, 2022, FirstSun completed its merger with Pioneer Bancshares, Inc. (“Pioneer”). Pursuant to the terms of the merger agreement, at the Effective Time, each Pioneer shareholder had the right to receive 1.0443 shares of FirstSun common stock, for each share of Pioneer common stock owned by the shareholder, with cash paid in lieu of fractional shares. Each outstanding share of FirstSun common stock remained outstanding and was unaffected by the merger. Further information is presented in Note 2 - Merger with Pioneer Bancshares, Inc. On January 16, 2024, we announced a proposed merger with HomeStreet, Inc. For additional information regarding our proposed merger with HomeStreet, Inc. see Note 27 - Subsequent Events.

d.Subsequent Events - We evaluate events occurring subsequent to the balance sheet date to determine whether the events required recognition or disclosure in the financial statements. If conditions of a subsequent event existed as of the balance sheet date, depending on materiality, the effects may be required to be recognized and disclosed in the financial statements. If conditions of a subsequent event arose after the balance sheet date, the effects are not required to be recognized in the financial statements, but depending on materiality, may need to be disclosed in the financial statements.

e.Use of Estimates - The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions based on available information. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

These estimates are based on historical experience and on various assumptions about the future that are believed to be reasonable based on all available information. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to critical accounting policies. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

91

f.Concentration of Credit Risk - We have a significant concentration in residential real estate and commercial and industrial loans within Texas, Kansas, Colorado, New Mexico and Arizona. When necessary, we perform credit evaluations on our customers' financial condition and often request additional guarantees and forms of collateral from our customers. These financial evaluations require significant judgment and are based on a variety of factors including, but not limited to, current economic trends, historical payment patterns, cash flow needs and deposit balances (particularly in light of recent developments in the banking industry) and bad debt write-off experience. Declines in the local or statewide economies could have an adverse impact on our borrowers’ financial condition. Specifically, inflation and higher interest rates, along with monetary events, can cause some of our business customers who have greater operating cash needs to draw on their deposits with us to meet expenses. Adverse developments affecting real estate values in one or more of our markets could increase our credit risk associated with our loan portfolio. Additionally, if loans are not repaid according to their terms, the collateral securing the loans, in those cases where real estate serves as the primary collateral, may not have value equal to the amounts owed under the loan. We did not exceed regulatory concentration monitoring levels as of December 31, 2023 or 2022.

g.Reclassifications - Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior years net income or stockholders’ equity.

h.Adoption of New Accounting Standards and Change in Accounting Principle - As an “emerging growth company” under Section 107 of the JOBS Act, we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, we can delay the adoption of certain accounting standards until those standards would otherwise apply to non-public business entities. We intend to take advantage of the benefits of this extended transition period for an “emerging growth company” for as long as it is available to us. For standards that we have delayed adoption, we may lack comparability to other companies who have adopted such standards.

In June of 2016, the FASB issued ASU 2016-13, Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments, which significantly changes the way that entities are required to measure credit losses. The new standard requires that the estimated credit loss be based upon an “expected credit loss” approach rather than the “incurred loss” approach previously required. The new approach requires entities to measure all expected credit losses for financial assets over their expected lives based on historical experience, current conditions, and reasonable and supportable forecasts of collectability. The expected credit loss model requires earlier recognition of credit losses than the incurred loss approach. We expect ongoing changes in the allowance for credit losses will be driven primarily by the growth of our loan portfolio, credit quality, and the economic environment and related projections at that time. In addition, the ASU developed a new accounting treatment for purchased financial assets with credit deterioration.

The ASU also modifies the other-than-temporary impairment model for available-for-sale debt securities and held-to-maturity debt securities by requiring companies to record an allowance for credit impairment rather than write-downs of such assets.

Management has reviewed this update and other ASUs that were subsequently issued to further clarify the implementation guidance outlined in ASU 2016-13. We adopted the amendments of these ASUs as of January 1, 2023.

Upon adoption, we recorded an increase to the allowance for credit losses on loans held-for-investment of $5.3 million, a reduction in the allowance for credit losses on unfunded commitments of $0.2 million, an increase to deferred tax assets of $1.2 million, and a corresponding one-time cumulative reduction to retained earnings, net of tax, of $3.8 million in the consolidated balance sheet as of January 1, 2023.

The adoption of this ASU, as it relates to available-for-sale debt securities and held-to-maturity debt securities, did not have a material impact on the consolidated financial statements as of January 1, 2023.

In March of 2022, the FASB issued ASU 2022-02, Financial Instruments - Credit Losses: Troubled Debt Restructurings and Vintage Disclosures, which eliminates the accounting for troubled debt restructurings by creditors while enhancing the disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty. The amendment also requires disclosure of gross charge-offs by year of origination for finance receivables. We adopted the amendments in this ASU as of January 1, 2023 prospectively.

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As a result of the adoption of ASU 2016-13 and ASU 2022-02, several of our significant accounting policies have changed as of January 1, 2023 to reflect the requirements of the new standard.

i.Fair Value Measurement - Fair value is determined in accordance with Accounting Standards Codification (ASC) Topic 820, Fair Value Measurement. ASC Topic 820 establishes a fair value hierarchy which requires the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 describes three levels of inputs that may be used to measure fair value:

Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

Level 3: Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity’s own beliefs about the assumptions that market participants would use in pricing the assets or liabilities.

j.Cash and Cash Equivalents - Cash and cash equivalents include cash, cash items in process of collection, deposits with other financial institutions and federal funds sold. For purposes of the consolidated statements of cash flows, we consider all federal funds sold and interest-bearing deposits at other financial institutions to be cash and cash equivalents, all with original maturities of less than 90 days. Cash held at depository institutions at times may be in excess of the Federal Deposit Insurance Corporation (FDIC) insurance limit. Cash deposits are with financial institutions that we believe to be reputable and we do not anticipate realizing any losses from these cash deposits. As of December 31, 2023 and 2022, we have complied with all regulatory cash reserve and clearing requirements. Cash and cash equivalents were as follows as of December 31,:

	2023		2022
Federal Reserve Bank	$	437,855	$	247,015
Federal Home Loan Bank	1,173		1,335
Other	10,870		8,799
Total cash due from depository institutions	449,898		257,149
Cash on hand and noninterest-bearing accounts	29,464		86,377
Total cash and cash equivalents	$	479,362	$	343,526

k.Securities - The Bank classifies debt securities as either available-for-sale or held-to-maturity. Held-to-maturity securities are those which the Bank has the positive intent and ability to hold to maturity. All other debt securities are classified as available-for-sale.

Held-to-maturity securities are recorded at amortized cost. Available-for-sale securities are recorded at fair value. Unrealized holding gains and losses on available-for-sale securities are excluded from earnings and are reported as a separate component of stockholders’ equity (accumulated other comprehensive income/loss) until realized. Realized gains and losses on securities classified as available-for-sale are included in earnings and recorded on trade date. The specific identification method is used to determine the cost of the securities sold.

Purchased premiums and discounts on debt securities are amortized or accreted into interest income using the yield-to-maturity method based upon the remaining contractual maturity of the asset, adjusted for any expected prepayments or call features for securities purchased at a premium.

For available-for-sale debt securities in an unrealized loss position, management first assesses whether it intends to sell, or it is more likely than not that it will be required to sell, the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is

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written down to fair value. Any previously recognized allowance for credit losses (“ACL”) should be written off and the write-down in excess of such ACL would be recorded through a charge to the provision for credit losses. For available-for-sale debt securities that do not meet the aforementioned criteria, management evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the cash position of the issuer and its cash and capital generation capacity, which could increase or diminish the issuer’s ability to repay its bond obligations, the extent to which the fair value is less than the amortized cost basis, any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information about the financial condition of the issuer, credit ratings, the failure of the issuer to make scheduled principal or interest payments, recent legislation and government actions affecting the issuer’s industry, and actions taken by the issuer to deal with the economic climate. Management also takes into consideration changes in the near-term prospects of the underlying collateral of a security, if any, such as changes in default rates, loss severity given default, and significant changes in prepayment assumptions and the level of cash flow generated from the underlying collateral, if any, supporting the principal and interest payments on the debt securities. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security is compared to the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and management records an ACL for the credit loss, limited to the amount by which the fair value is less than the amortized cost basis. Management recognizes in accumulated other comprehensive income/loss (“AOCI”) any impairment that has not been recorded through an ACL, net of tax. Non-credit-related impairments result from other factors, including changes in interest rates.

Management records changes in the ACL as a provision for (or reversal of) credit loss expense. Losses are charged against the allowance when management believes the uncollectibility of an available-for-sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Management has elected not to measure an ACL on accrued interest related to available-for-sale debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

The ACL on held-to-maturity debt securities is based on an expected loss methodology referred to as current expected credit loss (“CECL”) methodology by major security type. Any expected credit loss is provided through the ACL on held-to-maturity debt securities and is deducted from the amortized cost basis of the security so the statement of financial condition reflects the net amount management expects to collect. For the ACL of held-to-maturity securities, management considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts.

Management has elected not to measure an ACL on accrued interest related to held-to-maturity debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

Equity securities are carried at fair value, with changes in fair values reported in net income. Equity securities without readily determinable fair values are carried at cost, minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment. Equity securities are included as a component of “prepaid expenses and other assets” in our consolidated balance sheets.

l.Loans Held-for-sale - Mortgage loans originated and intended for sale in the secondary market are classified as loans held-for-sale and recorded at fair value. Most of these loans are sold with servicing rights retained. The changes in fair value of loans held-for-sale are measured and recorded in income from mortgage banking services. Loan origination fees are recorded in the period of origination.

m.Loans Receivable - Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff, are reported at the principal balance outstanding, net of purchase premiums and discounts, deferred loan fees and costs, and an allowance for credit losses.

Interest on loans receivable is accrued and credited to income based upon the principal amount outstanding using primarily a simple interest calculation. Loan origination fees and related direct loan origination costs for a given loan are offset and only the net amount is deferred and amortized and recognized in interest income over the life of the loan using the interest method without anticipating prepayments. The accrual of interest income on loans is discontinued when, in management’s judgment, the interest is uncollectible in the normal course of business, and a loan is moved to nonaccrual status in accordance with the Bank’s policy, typically after 90 or 120 days of non-payment, as follows: interest income on consumer, commercial real estate and commercial and industrial loans is typically discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in the process

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of collection; interest income on residential real estate loans is typically discontinued at the time the loan is 120 days delinquent unless the loan is well-secured and in the process of collection. Consumer and credit card loans are typically charged off no later than 120 days past due. Past due status is based on the contractual terms of the loan. In all cases, loans are placed on nonaccrual or charged-off at an earlier date if collection of principal or interest in full is considered doubtful. Nonaccrual loans and loans past due 90 days still on accrual include both smaller homogenous loans that are collectively evaluated for impairment and individually classified impaired loans.

When discontinued, all unpaid interest is reversed. Interest is included in income after the date the loan is placed on nonaccrual status only after all principal has been paid or when the loan is returned to accrual status. The loan is returned to accrual status only when the borrower has brought all past-due principal and interest payments current and, in the opinion of management, has demonstrated the ability to make future payments of principal and interest as scheduled.

Acquired Loans – Loans acquired through a purchase or a business combination are recorded at their fair value as of the acquisition date. Management performs an assessment of acquired loans to first determine if such loans have experienced a more than insignificant deterioration in credit quality since their origination and thus should be classified and accounted for as purchased credit deteriorated (“PCD”) loans. For loans that have not experienced a more than insignificant deterioration in credit quality since origination, referred to as non-PCD loans, management records such loans at fair value, with any resulting discount or premium accreted or amortized into interest income over the remaining life of the loan using the interest method. Additionally, upon the purchase or acquisition of non-PCD loans, management measures and records an ACL based on the Bank’s methodology for determining the ACL. The ACL for non-PCD loans is recorded through a charge to the provision for credit losses in the period in which the loans are purchased or acquired.

Acquired loans that are classified as PCD are recognized at fair value, which includes any premiums or discounts resulting from the difference between the initial amortized cost basis and the par value. Premiums and non-credit loss related discounts are amortized or accreted into interest income over the remaining life of the loan using the interest method. Unlike non-PCD loans, the initial ACL for PCD loans is established through an adjustment to the acquired loan balance and not through a charge to the provision for credit losses in the period in which the loans are acquired. At acquisition, the ACL for PCD loans, which represents the fair value credit discount, is determined using a discounted cash flow method that considers the probability of default and loss-given default used in the Bank’s ACL methodology. Characteristics of PCD loans include the following: delinquency, payment history since origination, credit scores migration and/or other factors the Bank may become aware of through its initial analysis of acquired loans that may indicate there has been a more than insignificant deterioration in credit quality since a loan’s origination.

Subsequent to acquisition, the ACL for both non-PCD and PCD loans is determined pursuant to the Bank ACL methodology in the same manner as all other loans.

n.Allowance for Credit Losses - The ACL for loans held for investment is a valuation account that is deducted from the loans’ amortized cost basis to present the net amount expected to be collected on loans. Loans are charged-off against the allowance when management confirms the loan balance is uncollectible.

Management estimates the allowance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Internal and industry historical credit loss experience is a significant input for the estimation of expected credit losses. Additionally, management’s assessment involves evaluating key factors, which include credit and macroeconomic indicators, such as changes in economic growth levels, unemployment rates, property values, and other relevant factors, to account for current and forecasted market conditions that are likely to cause estimated credit losses over the life of the loans to differ from historical credit losses. Expected credit losses are generally estimated over the contractual term of the loans, adjusted by prepayments when appropriate.

Management estimates the ACL primarily based on a probability of default (“PD”), loss-given default (“LGD”), and exposure at default (“EAD”) modeled approach, or individually for collateral dependent loans. Management evaluates the need for changes to the ACL by portfolio segments and classes of loans within certain of those portfolio segments. Factors such as the credit risk inherent in a portfolio and how management monitors the related quality, as well as the estimation approach to estimate credit losses, are considered in the determination of such portfolio segments and classes. The Bank believes it has a diversified portfolio across a variety of industries,

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and the portfolio is generally centered in the states in which the Bank has offices. Management has identified the following portfolio segments:

Commercial and industrial loans include commercial and industrial loans to commercial customers for use in normal business operations to finance working capital needs, equipment and inventory purchases, and other expansion projects. These loans are made primarily in the Bank’s market areas, are underwritten on the basis of the borrower’s ability to service the debt from revenue, and extended under the Bank’s normal credit standards, controls, and monitoring systems. Collateral is often represented by liens on accounts receivable, inventory, equipment, and other forms of general non-real estate business assets. The Bank often obtains some form of credit enhancement through a personal guaranty of the borrower, principals and/or others. The global cash flow capability of commercial and industrial loan customers is generally evaluated both at underwriting and during the life of the loan. Commercial and industrial loans may involve increased risk due to the expectation that repayments for such loans generally come from the operation of the business activity and those operations may be unsuccessful. A disruption in the operating cash flows from a business, sometimes influenced by events not under the control of the borrower such as changing business environment, changes in regulations and political climate, rising interest rates, unexpected natural events, or competition could also impact the borrower’s capacity to repay the loan. Assets collateralizing commercial and industrial loans may also decline in value more quickly than anticipated. Commercial and industrial loans require increased underwriting and monitoring to offset these risks, for which the Bank’s systems have been designed to provide.

Commercial real estate loans include owner occupied and non-owner occupied commercial real estate mortgage loans to operating commercial and agricultural businesses, and include both loans for long-term financing of land and buildings and loans made for the initial development or construction of a commercial real estate project.

Residential real estate loans represent loans to consumers collateralized by a mortgage on a residence and include purchase money, refinancing, secondary mortgages, and home equity loans and lines of credit.

Public finance loans include loans to our charter school and municipal based customers.

Consumer loans include direct consumer installment loans, credit card accounts, overdrafts and other revolving loans.

Other loans consist of loans to nondepository financial institutions, lease financing receivables and loans for agricultural production.

The ACL is measured using a PD/LGD with EAD model that is calculated based on the product of a cumulative PD and LGD. PD and LGD estimates are assigned based upon the periodic completion of credit risk scorecards. Remaining EAD is derived based on inherent loan characteristics and like-kind loan prepayment trends. Under this approach, management calculates losses for each loan for all future periods using the PD and LGD rates derived from the term structure curves applied to the estimated remaining balance of the loans.

For the ACL determination of all portfolios, the expectations for relevant macroeconomic variables consider an initial reasonable and supportable period of four years and a reversion period of one year, utilizing a straight-line approach and reverting back to the historical loss rates.

Management periodically considers the need to make qualitative adjustments to the ACL. Qualitative adjustments may be related to and include, but not be limited to factors such as the following: (i) management’s assessment of economic forecasts used in the model and how those forecasts align with management’s overall evaluation of current and expected economic conditions; (ii) organization specific risks such as credit concentrations, collateral specific risks, nature and size of the portfolio and external factors that may ultimately impact credit quality, and (iii) other limitations associated with factors such as changes in underwriting and loan resolution strategies, among others.

Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially

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through the operation or sale of the collateral, management has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of the collateral, with selling costs considered in the event sale of the collateral is expected.

Management has elected not to measure an ACL on accrued interest related to held for investment loans, as uncollectible accrued interest receivables are written off in a timely manner.

Loan credit quality and the adequacy of the allowance are also subject to periodic examination by regulatory agencies. Such agencies may require adjustments to the allowance based upon their judgements about information available at the time of their examination.

Management estimates expected credit losses over the contractual period in which the Bank is exposed to credit risk via a contractual obligation to extend credit unless the obligation is unconditionally cancellable by the Bank. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes the consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life.

o.Mortgage Servicing Rights (MSRs) - MSRs arise from contractual agreements between us and investors in mortgage loans. Pursuant to ASC Topic 860-50, Servicing Assets and Liabilities, we record MSR assets when we sell loans on a servicing-retained basis, at the time of a securitization that qualifies and meets requirements for sale accounting or through the acquisition or assumption of the right to service a financial asset. Under these contracts, we perform loan servicing functions in exchange for fees and other remuneration.

Our MSRs are initially recorded and subsequently measured at fair value. The fair value of the MSRs is based upon the present value of the expected future net cash flows related to servicing these loans. We receive a base servicing fee, generally ranging from 0.25% to 0.50% annually on the remaining outstanding principal balances of the loans. The servicing fees are collected from investors. We determine the fair value of the MSRs by the use of a discounted cash flow model that incorporates prepayment speeds, delinquencies, discount rate, ancillary revenues and other assumptions (including costs to service) that management believes are consistent with the assumptions other market participants use in valuing MSRs. The nature of the loans underlying the MSRs affects the assumptions used in the cash flow models. We obtain third-party valuations quarterly to assess the reasonableness of the fair value calculated by the cash flow model. Changes in the fair value of MSRs are charged or credited to income from mortgage banking services, net.

As a part of our mortgage servicing responsibilities, we advance funds when the borrower fails to meet contractual payments (e.g. principal, interest, property taxes, and insurance). We also advance funds to maintain, report, and market foreclosed real estate properties on behalf of investors. These advances are collectively known as servicer related advances. Such advances are recovered from borrowers for reinstated and performing loans and from investors for foreclosed loans. We record an ACL on outstanding servicer advances when we determine that based on all available information, that a credit loss is expected, and that all contractual amounts due will not be recovered. There was no ACL on outstanding servicer advances as of December 31, 2023 and 2022, respectively.

p.Premises and Equipment - Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization is computed on the straight-line or declining balance method depending upon the type of asset with useful lives ranging from one to 39 years. Depreciation and amortization expense has been included in occupancy and equipment expense in the accompanying consolidated statements of income and comprehensive income.

Maintenance and repair costs are charged to expense as incurred. Major betterments are considered individually and are capitalized or expensed depending on facts and circumstances.

q.Other Real Estate Owned and Foreclosed Assets - Assets acquired through, or in lieu of, foreclosure or repossession or otherwise are being held for disposal or to be sold are adjusted upon transfer to fair value less estimated costs to sell, establishing a new cost basis. Physical possession of residential real estate property collateralizing a consumer mortgage loan occurs when legal title is obtained upon completion of foreclosure or when the borrower conveys all interest in the property to satisfy the loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Subsequent to foreclosure/repossession, management periodically performs valuations, and an allowance for losses is established by a charge against earnings if the carrying value of a property exceeds the fair value less estimated costs to sell. Revenue and expenses from

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operation and changes in the valuation allowance are included in other noninterest expense on the consolidated statements of income and comprehensive income.

r.Bank-owned Life Insurance (BOLI) - We have purchased life insurance policies on certain key current and former executives as a method to offset the cost of employee benefit plans. We record BOLI at the estimated contractual amount that would be realized if the life insurance policy is surrendered prior to maturity or death of the insured, which is the cash surrender value adjusted for other charges and amounts due that are probable at settlement. Changes in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in noninterest income and are not subject to income taxes.

s.Restricted Equity Securities - Restricted equity securities consist of capital stock of the Federal Home Loan Bank of Topeka (FHLB) and the Federal Reserve Bank of Kansas City (FRB). Such stock is not readily marketable, and accordingly, is carried at cost. Members of the FHLB are required to own a certain amount of stock based on the level of borrowings and other factors. As a national banking association, the Bank is required to own stock of its regional FRB. FRB and FHLB stock are periodically evaluated for impairment based on ultimate recovery of par value. Both cash and stock dividends are reported as income.

Restricted equity securities consisted of the following:

	2023		2022
Federal Home Loan Bank stock	$	20,945	$	33,137
Federal Reserve Bank stock	17,127		17,078
Total restricted equity securities	$	38,072	$	50,215

As a result of the relocation of our Bank headquarters to Dallas, Texas in 2023, we will be required to liquidate our capital stock in the FHLB of Topeka and the FRB of Kansas City and acquire capital stock in the FHLB of Dallas and the FRB of Dallas. We expect to complete this activity in early 2024 with no gain or loss on the liquidation of the capital stock.

t.Goodwill - The excess purchase price of acquired businesses over the fair value of identifiable assets acquired and liabilities assumed is recognized as goodwill. Goodwill is evaluated for impairment on an annual basis, or more frequently if events and circumstances exist that indicate that a goodwill impairment test should be performed. Our evaluation may consist of performing a qualitative assessment of impairment to determine whether any further quantitative testing for impairment is necessary. Factors considered in the qualitative assessment include general economic conditions, conditions of the industry and markets in which we operate, regulatory developments, cost factors, and our overall financial performance. We performed our most recent annual goodwill impairment test as of December 31, 2023 and concluded that no impairment existed. No impairment losses have been recognized during the years ended December 31, 2023, 2022 and 2021.

u.Core Deposits and Other Intangible Assets - Core deposits related to the depositor relationship of customers acquired from our business combinations are recognized in the value of core deposits. Our core deposits were valued based on the expected future benefit or earnings capacity attributable to the acquired deposits. These assets have been assigned 10 year lives from the date of acquisition. Other intangible assets include the trade names of First National 1870 and Guardian Mortgage. These trade names provide a source of market recognition to attract potential clients/relationships and retain existing customers. Management has indicated that portions of the business will utilize these trade names into perpetuity; therefore, these trade names have been classified as indefinite-lived assets. Further, we have acquired certain customer relationships relating to wealth management. These customer relationships have been assigned amortization periods of 10 to 16 years. We had a non-competition agreement for a former employee. This agreement was fully amortized in 2023.

v.Impairment of Long-lived Assets - Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. When events or changes in circumstances indicate an asset may not be recoverable, we estimate the future cash flows expected to result from the use of the asset. If impairment is indicated, an adjustment is made to reduce the carrying amount based on the difference between the future cash flows expected and the carrying amount of the asset. During the years ended December 31, 2023 and 2021, we recorded no impairment of long-lived assets, respectively. During the year ended December 31, 2022, we recorded impairment of $720 of long-lived assets.

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w.Transfers of Financial Assets - Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

x.Loan Commitments and Related Financial Instruments - Financial instruments include off-balance sheet credit instruments, such as commitments to make loans, commercial letters of credit, and standby letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

y.Derivative Instruments and Hedging Activities - Derivatives and Hedging (ASC Topic 815), provides the disclosure requirements for derivatives and hedging activities with the intent to provide users of financial statements with an enhanced understanding of: (a) how and why an entity uses derivative instruments, (b) how the entity accounts for derivative instruments and related hedged items, and (c) how derivative instruments and related hedged items affect an entity’s financial position, financial performance, and cash flows. Further, qualitative disclosures are required that explain our objectives and strategies for using derivatives, as well as quantitative disclosures about the fair value of and gains and losses on derivative instruments, and disclosures about credit-risk-related contingent features in derivative instruments.

As required by ASC Topic 815, we record all derivatives on the consolidated balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether we have elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Derivatives may also be designated as hedges of the foreign currency exposure of a net investment in a foreign operation. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge. We may enter into derivative contracts that are intended to economically hedge certain of our risks, even though hedge accounting does not apply or we do not elect to apply hedge accounting. We do not have any cash flow or foreign currency hedges.

In accordance with the fair value measurement guidance in ASU Topic 2011-04, Fair Value Measurement (Topic 820), we made an accounting policy election to measure the credit risk of our derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

The FASB has issued standards associated with the cessation of LIBOR, including ASU 2022-06 that further defers the sunset date of ASU 2020-04 and ASU 2021-01 Reference Rate Reform (Topic 848) from December 31, 2022 to December 31, 2024, after which entities will no longer be permitted to apply the relief in Topic 848. We have elected to apply the contract modification guidance included within Topic 848. Since December 31, 2021, we have not issued debt indexed to USD-LIBOR and as of December 31, 2023, we have fully transitioned from the use of LIBOR on all contracts.

Risk Management Objective of Using Derivatives

Banking Activities - We are exposed to certain risks arising from both our business operations and economic conditions. We principally manage our exposures to a wide variety of business and operational risks through management of our core business activities. We manage economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of our assets and liabilities and the use of derivative financial instruments. Specifically, we enter into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Our derivative financial instruments are used to manage differences in the amount, timing, and duration of our known or expected cash receipts and our known or expected cash payments principally related to our loan portfolio. The initial and subsequent changes in value, as well as the offsetting gain or loss of banking derivative financial instruments that qualify as fair value hedges, and

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any fees income generated are recorded as a component of interest and fee income on loans in our consolidated statements of income and comprehensive income.

Mortgage Banking Activities - Our mortgage bankers enter into interest rate lock commitments (IRLC) with prospective borrowers. An IRLC represents an agreement to purchase loans from a third-party originator or an agreement to extend credit to a mortgage applicant, whereby the interest rate is set prior to funding. The loan commitment binds us (subject to the loan approval process) to fund the loan at the specified rate, regardless of whether interest rates have changed between the commitment date and the loan funding date. Outstanding interest rate lock commitments are subject to interest rate risk and related price risk during the period from the date of the commitment through the loan funding date or expiration date. The borrower is not obligated to obtain the loan; thus, we are subject to fallout risk related to IRLCs, which is realized if approved borrowers choose not to close on the loans within the terms of the IRLC. Our interest rate exposure on these derivative loan commitments is hedged with forward sales of mortgage-based securities as described below. Our IRLCs are carried at fair value in accordance with ASC Topic 815, and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. ASC Topic 815 clarifies that the expected net future cash flows related to the associated servicing of a loan should be included in the measurement of all written loan commitments that are accounted for at fair value through earnings. The estimated fair values of IRLCs are based on the fair value of the related mortgage loans which is based upon observable market data. The initial and subsequent changes in value of IRLCs are recorded as a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We actively manage the risk profiles of our IRLCs and mortgage loans held-for-sale on a daily basis. To manage the price risk associated with IRLCs, we enter into forward sales of mortgage-backed securities (MBS) in an amount equal to the portion of the IRLC expected to close, assuming no change in mortgage interest rates. In addition, to manage the interest rate risk associated with mortgage loans held-for-sale, we enter into forward sales of MBS to deliver mortgage loans to third-party investors. The estimated fair values of forward sales of MBS and forward sales commitments are based on exchange prices or the dealer market price. The initial and subsequent changes in value on forward sales of MBS and forward sales commitments are a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We also occasionally enter into contracts with other mortgage bankers to purchase residential mortgage loans at a future date, which we refer to as Loan Purchase Commitments (LPCs). LPCs are accounted for as derivatives under ASC Topic 815 and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. Subsequent changes in LPCs are recorded as a charge or credit to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We utilize derivative instruments to help manage the fair value changes in our MSRs. These derivative instruments are intended to economically hedge certain risks related to our MSRs. As such, these derivative instruments are not designated as accounting hedges. These derivatives may include To Be Announced (TBA) MBS, interest rate swaps, and options contracts and are valued based on quoted prices for similar assets in an active market with inputs that are observable. These derivative products are accounted for and recorded at fair value in prepaid expenses and other assets or accrued expenses and other liabilities on our consolidated balance sheets. Subsequent changes are recorded to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

z.Lease Commitments - We determine if an arrangement is a lease or contains a lease at inception. Leases result in the recognition of right of use (“ROU”) assets and lease liabilities on our consolidated balance sheets. ROU assets represent the right to use an underlying asset for the lease term and are included in prepaid expenses and other assets in our consolidated balance sheets. Lease liabilities represent the obligation to make lease payments arising from the lease, measured on a discounted basis, and are included in accrued expenses and other liabilities in our consolidated balance sheets. We determine lease classification as operating or finance at the lease commencement date. We combine lease and non-lease components, such as common area and other maintenance costs, in calculating the ROU assets and lease liabilities for our office buildings.

At lease inception, the lease liability is measured at the present value of the lease payments over the lease term. The ROU asset equals the lease liability adjusted for any initial direct costs, prepaid or deferred rent, and lease incentives. We use the implicit rate when readily determinable, however, as most of the leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the commencement date, which is based on our collateralized borrowing capabilities over a similar term as the related lease payments.

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The lease term may include options to extend or to terminate the lease that we are reasonably certain to exercise. Lease expense is generally recognized on a straight-line basis over the lease term.

We have elected not to record leases with an initial term of 12 months or less on our consolidated balance sheets. Lease expense on such leases is recognized on a straight-line basis over the lease term. Further information is presented in Note 25 - Lease Commitments.

aa.Revenue Recognition - Noninterest income within the scope of ASC Topic 606, Revenue From Contracts With Customers is recognized by us when performance obligations, under the terms of the contract, are satisfied. This income is measured as the amount of consideration expected to be received in exchange for the providing of services. The majority of our applicable noninterest income continues to be recognized at the time when services are provided to our customers. Further information is presented in Note 26 - Revenue from Contracts with Customers.

ab.Advertising - Advertising costs are expensed as incurred and recorded within other noninterest expense.

ac.Earnings Per Share - Basic and diluted earnings per share are computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period.

ad.Share-Based Compensation - Compensation cost is recognized for stock options, non-vested restricted stock awards/stock units, and performance share units issued to employees and directors, based on the fair value of these awards at the date of the grant. A Black-Scholes model is utilized to estimate the fair value of stock options. The fair value of non-vested stock awards/stock units and performance share units is generally the market price of our stock on the date of grant.

Compensation cost is recognized over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recognized on a straight-line basis over the requisite service period for the entire award. We recognize forfeitures as they occur.

ae.Retirement Plan - We have an employee savings plan and trust (the Plan) which qualifies under Section 401(k) of the Internal Revenue Service Code. The Bank’s Trust and Wealth Management department is the Trustee. Substantially all of our full-time employees are eligible to participate in the Plan. Eligible employees may contribute up to 100% of their compensation subject to certain limits based on federal tax laws. Additional contributions are allowed per the Internal Revenue Service Code for participants who have attained age 50 before the end of the Plan year. We make a matching contribution for each eligible participant equal to 100% of the participant’s elective deferrals which does not exceed 6% of the participant’s compensation. Participants are immediately vested in the matching contribution. Matching contributions to the Plan charged to salary and employee benefits amounted to $5.3 million, $5.2 million and $4.9 million in 2023, 2022 and 2021, respectively.

af.Income Taxes - The Company files a consolidated federal income tax return. Deferred taxes are provided on a liability method whereby deferred tax assets are recognized for deductible temporary differences and operating loss and tax credit carryforwards; deferred tax liabilities are recognized for taxable temporary differences. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax assets will not be realized. The effect on deferred tax assets and liabilities for subsequent changes in tax rates are recognized in income in the period that includes the tax rate changes.

We recognize the financial effects of a tax position only when we believe it can “more likely than not” support the position upon a tax examination by the relevant taxing authority, with a tax examination being presumed to occur. We are no longer subject to examination by taxing authorities for years before 2020. The Company recognizes interest and/or penalties related to income tax matters in income tax expense.

ag.Comprehensive income - Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on securities available-for-sale and designated fair value hedges, net of tax, which are recognized as a separate component of equity.

ah.Loss Contingencies - Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be

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reasonably estimated. Management does not believe there are such matters that will have a material effect on these consolidated financial statements.

In addition, we generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, or there are early payment defaults, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. In addition, if loans pay off within a specified time frame, we may be required to refund a portion of the sales proceeds to the investors. We have established reserves for potential losses related to these representations and warranties which is recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry. Further information is presented in Note 24 - Commitments and Contingencies.

ai.Equity - Treasury stock, if any, is carried at cost.

Dividend Restriction - Banking regulations require maintaining certain capital levels and may limit the dividends paid by the Bank to the Parent Company or by the Parent Company to stockholders.

aj.Recent Accounting Pronouncements Not Yet Adopted - ASU No. 2023-02, “Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method.” ASU 2023-02 is intended to improve the accounting and disclosures for investments in tax credit structures. ASU 2023-02 allows entities to elect to account for qualifying tax equity investments using the proportional amortization method, regardless of the program giving rise to the related income tax credits. Previously, this method was only available for qualifying tax equity investments in low-income housing tax credit structures. ASU 2023-02 will be effective for us on January 1, 2025 and its adoption is not expected to have a significant effect on our financial statements.

ASU 2023-06, “Disclosure Improvements - Codification Amendments in Response to the SEC’s Disclosure Update and Simplification Initiative.” ASU 2023-06 amends the ASC to incorporate certain disclosure requirements from SEC Release No. 33-10532 - Disclosure Update and Simplification that was issued in 2018. The effective date for each amendment will be the date on which the SEC’s removal of that related disclosure from Regulation S-X or Regulation S-K becomes effective, with early adoption prohibited. ASU 2023-06 is not expected to have a significant impact on our financial statements.

ASU No. 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures.” ASU 2023-07 expands segment disclosure requirements for public entities to require disclosure of significant segment expenses and other segment items on an annual and interim basis and to provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. ASU 2023-07 is not expected to have a significant impact on our financial statements.

ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” ASU 2023-09 requires public business entities to disclose in their rate reconciliation table additional categories of information about federal, state and foreign income taxes and to provide more details about the reconciling items in some categories if items meet a quantitative threshold. ASU 2023-09 also requires all entities to disclose income taxes paid, net of refunds, disaggregated by federal, state and foreign taxes for annual periods and to disaggregate the information by jurisdiction based on a quantitative threshold, among other things. ASU 2023-09 is effective for us on January 1, 2026, though early adoption is permitted. ASU 2023-09 is not expected to have a significant impact on our financial statements.

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NOTE 2 - Merger with Pioneer Bancshares, Inc.

As described under the title “Business Combination” in Note 1 - Basis of Presentation, Description of Business and Summary of Significant Accounting Policies, we completed our merger with Pioneer on April 1, 2022. We accounted for the Pioneer merger under the acquisition method in accordance with ASC Topic 805, Business Combinations. Accordingly, the purchase price was allocated to the fair value of the assets acquired, including identifiable intangible assets, and the liabilities assumed as of the closing date of the merger. Goodwill resulting from the difference between the fair value of the assets acquired and the fair value of the liabilities assumed is not amortizable for book or tax purposes. This goodwill resulted from the combination of expected operational synergies, the increase in our market share in Texas and other factors. Although the merger was nontaxable, the merger gave rise to certain temporary differences for which deferred taxes have been recognized. The results of operations for the Pioneer merger have been included in our consolidated financial results beginning on the April 1, 2022 closing date.

Consideration

Under the terms of the merger agreement, each outstanding share of Pioneer common stock was converted into 1.0443 shares of FirstSun common stock (except for shareholders who properly exercised their dissenters’ rights) with cash paid in lieu of fractional shares. Accordingly, we issued 6,467,466 shares of our common stock to Pioneer shareholders in the merger valued at $230,760 based on a third-party valuation of our common stock in accordance with ASC Topic 820, Fair Value Measurements as of the closing date. We also converted Pioneer stock options into 431,645 options to purchase shares of FirstSun common stock. This conversion was valued at $5,334. We also paid cash to certain Pioneer shareholders of $4,736. Total aggregate consideration paid in the Pioneer merger was $240,830.

Fair Value

We recorded the fair value of assets acquired and liabilities assumed based on valuations at April 1, 2022. The determination of fair value required management to make assumptions related to discount rates, expected future cash flows, market conditions and other future events that are subjective in nature.

Fair values of the assets acquired and liabilities assumed in this transaction are as follows:

	April 1, 2022
Cash and cash equivalents	$	449,278
Investment securities	157,859
Loans held-for-sale	2,923
Loans	811,300
Premises and equipment	39,935
Bank-owned life insurance	21,382
Restricted equity securities	9,320
Core deposits and other intangible assets	11,771
Accrued interest receivable	3,947
Deferred tax assets	19,752
Prepaid expenses and other assets	7,317
Total assets acquired	1,534,784
Deposits	1,192,081
Federal Home Loan Bank advances	159,924
Accrued interest payable	407
Accrued expenses and other liabilities	1,975
Total liabilities assumed	1,354,387
Fair value of net assets acquired	180,397
Purchase price	240,830
Goodwill	$	60,433

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Acquired loans and purchased credit impaired loans

Acquired loans were recorded at fair value based on a discounted cash flow valuation methodology that considered, among other things, projected default rates, loss given default rates and recovery rates. No allowance for credit losses was carried over from Pioneer.

We identified certain acquired loans as purchased credit impaired (PCI). PCI loan identification considered payment history and past due status, debt service coverage, loan grading, collateral values and other factors that may be an indication of a deterioration of credit quality since origination. Although we identified certain acquired loans as PCI, the amount was determined to be insignificant. The following table discloses the fair value and contractual value of loans acquired from Pioneer on April 1, 2022.

	Acquired Loans		Contractual Principal Balance
Commercial	$	98,351	$	98,752
Commercial real estate	509,173		516,341
Residential real estate	173,094		174,763
Consumer	30,682		31,982
Total fair value	$	811,300	$	821,838

Supplemental pro forma information

The following unaudited pro forma summary presents consolidated information of FirstSun as if the business combination had occurred on January 1, 2021.

	(Unaudited) Pro forma for the years ended December 31,
	2022		2021
Net interest income	$	251,783	$	201,501
Provision for credit losses	17,200		350
Net interest income after provision for credit losses	234,583		201,151
Noninterest income	90,993		129,373
Noninterest expenses	229,307		258,544
Income before income taxes	96,269		71,980
Provision for income taxes	19,508		13,413
Net income	$	76,761	$	58,567
Earnings per share:
Net income available to common stockholders	$	76,761	$	58,567
Basic	$	3.09	$	2.36
Diluted	$	3.01	$	2.30

The unaudited pro forma amounts for these periods includes adjustments for interest income on loans and investment securities acquired, amortization of intangibles arising from the transaction, adjustments for interest expense on deposits and Federal Home Loan bank advances acquired, adjustments for merger related expenses incurred, and the related income tax effects of all these items and the income tax costs or benefits derived from the income or loss before taxes of Pioneer. The unaudited pro forma amounts are not necessarily indicative of the results of operations that would have occurred had the transaction been effected on the assumed date.

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NOTE 3 - Securities

The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated  Fair  Value
2023
Available-for-sale:
U.S. treasury	$	58,468	$	—	$	(4,234)	$	54,234
U.S. agency	1,872		—		(33)		1,839
Obligations of states and political subdivisions	29,979		—		(4,009)		25,970
Mortgage backed - residential	121,288		119		(14,974)		106,433
Collateralized mortgage obligations	203,394		—		(21,861)		181,533
Mortgage backed - commercial	145,062		497		(14,367)		131,192
Other debt	16,792		—		(1,236)		15,556
Total available-for-sale	$	576,855	$	616	$	(60,714)	$	516,757
Held-to-maturity:
Obligations of states and political subdivisions	$	25,542	$	3	$	(3,987)	$	21,558
Mortgage backed - residential	7,548		2		(560)		6,990
Collateralized mortgage obligations	3,893		—		(260)		3,633
Total held-to-maturity	$	36,983	$	5	$	(4,807)	$	32,181
2022
Available-for-sale:
U.S. treasury	62,010		—		(5,361)		56,649
U.S. agency	$	2,881	$	—	$	(47)	$	2,834
Obligations of states and political subdivisions	29,897		—		(4,998)		24,899
Mortgage backed - residential	129,955		6		(13,826)		116,135
Collateralized mortgage obligations	225,559		—		(21,294)		204,265
Mortgage backed - commercial	130,997		—		(13,661)		117,336
Other debt	16,774		—		(1,919)		14,855
Total available-for-sale	$	598,073	$	6	$	(61,106)	$	536,973
Held-to-maturity:
Obligations of states and political subdivisions	25,378		5		(4,891)		20,492
Mortgage backed - residential	8,705		4		(511)		8,198
Collateralized mortgage obligations	4,818		—		(290)		4,528
Total held-to-maturity	$	38,901	$	9	$	(5,692)	$	33,218

There was no allowance for credit losses related to our investment securities as of December 31, 2023.

As of December 31, 2023 and 2022, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

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Fair value and unrealized losses on debt securities by type and length of time in a continuous unrealized loss position without an allowance for credit losses were as follows as of December 31,:

	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2023
Available-for-sale:
U.S. treasury	$	—	$	—	$	54,234	$	(4,234)	$	54,234	$	(4,234)	9
U.S. agency	—		—		1,839		(33)		1,839		(33)		7
Obligations of states and political subdivisions	—		—		25,970		(4,009)		25,970		(4,009)		19
Mortgage backed - residential	—		—		100,571		(14,974)		100,571		(14,974)		83
Collateralized mortgage obligations	—		—		181,533		(21,861)		181,533		(21,861)		65
Mortgage backed - commercial	4,721		(27)		114,625		(14,340)		119,346		(14,367)		24
Other debt	—		—		15,556		(1,236)		15,556		(1,236)		9
Total available-for-sale	$	4,721	$	(27)	$	494,328	$	(60,687)	$	499,049	$	(60,714)	216
Held-to-maturity:
Obligations of states and political subdivisions	$	—	$	—	$	21,223	$	(3,987)	$	21,223	$	(3,987)	8
Mortgage backed - residential	—		—		6,845		(560)		6,845		(560)		10
Collateralized mortgage obligations	—		—		3,633		(260)		3,633		(260)		5
Total held-to-maturity	$	—	$	—	$	31,701	$	(4,807)	$	31,701	$	(4,807)	23

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	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2022
Available-for-sale:
U.S. treasury	$	25,702	$	(967)	$	30,947	$	(4,394)	$	56,649	$	(5,361)	10
U.S. agency	—		—		2,834		(47)		2,834		(47)		7
Obligations of states and political subdivisions	21,676		(3,784)		2,753		(1,214)		24,429		(4,998)		18
Mortgage backed - residential	51,921		(2,939)		63,691		(10,887)		115,612		(13,826)		87
Collateralized mortgage obligations	111,360		(4,631)		92,905		(16,663)		204,265		(21,294)		66
Mortgage backed - commercial	70,710		(6,475)		46,626		(7,186)		117,336		(13,661)		22
Other debt	14,855		(1,919)		—		—		14,855		(1,919)		9
Total available-for-sale	$	296,224	$	(20,715)	$	239,756	$	(40,391)	$	535,980	$	(61,106)	219
Held-to-maturity:
Obligations of states and political subdivisions	$	20,153	$	(4,891)	$	—	$	—	$	20,153	$	(4,891)	8
Mortgage backed - residential	7,993		(511)		—		—		7,993		(511)		10
Collateralized mortgage obligations	4,127		(275)		401		(15)		4,528		(290)		5
Total held-to-maturity	$	32,273	$	(5,677)	$	401	$	(15)	$	32,674	$	(5,692)	23

We do not consider the unrealized losses to be credit-related, as these unrealized losses primarily relate to changes in interest rates and market spreads subsequent to purchase. We do not have plans to sell any of the available-for-sale debt securities with unrealized losses as of December 31, 2023, and we believe it is more likely than not that we would not be required to sell such available-for-sale debt securities before recovery of their amortized cost.

We continue to monitor unrealized loss positions for potential credit impairments. During the year ended December 31, 2023, there were no credit impairments related to our investment securities.

The amortized cost and fair value of our debt securities by contractual maturity as of December 31, 2023 are summarized in the following table. Maturities are based on the final contractual payment dates and do not reflect the impact of prepayments or earlier redemptions that may occur.

	Amortized Cost		Estimated Fair Value
Available-for-sale:
Due within 1 year	$	23,215	$	22,802
Due after 1 year through 5 years	55,359		50,882
Due after 5 years through 10 years	152,454		138,464
Due after 10 years	345,827		304,609
Total available-for-sale	$	576,855	$	516,757
Held-to-maturity:
Due after 1 year through 5 years	$	988	$	963
Due after 5 years through 10 years	737		713
Due after 10 years	35,258		30,505
Total held-to-maturity	$	36,983	$	32,181

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Securities with a carrying value of $468,679 and $428,721 were pledged to secure public deposits, securities sold under agreements to repurchase and borrowed funds at December 31, 2023 and 2022, respectively.

There were no proceeds from sales and calls of securities for the year ended December 31, 2023. There were proceeds from sales and calls of securities of $81,016 for the year ended December 31, 2022. For the years ended December 31, 2023, 2022 and 2021 there were no gross investment gains or losses resulting from the sale of securities.

NOTE 4 - Loans

Loans held-for-investment by portfolio type consist of the following as of December 31,:

	2023		2022
Commercial and industrial	$	2,467,688	$	2,310,929
Commercial real estate:
Non-owner occupied	812,235		779,546
Owner occupied	635,365		636,272
Construction and land	345,430		327,817
Multifamily	103,066		102,068
Total commercial real estate	1,896,096		1,845,703
Residential real estate	1,110,610		1,003,931
Public finance	602,913		590,284
Consumer	36,371		42,588
Other	153,418		118,397
Total loans	$	6,267,096	$	5,911,832
Allowance for credit losses	(80,398)		(65,917)
Loans, net of allowance for credit losses	$	6,186,698	$	5,845,915

As of December 31, 2023 and 2022, we had net deferred fees, costs, premiums and discounts of $12,859 and $17,101, respectively, on our loan portfolio.

Accrued interest receivable on loans totaled $34,879 and $26,494 at December 31, 2023 and 2022, respectively, and is included in accrued interest receivable in the accompanying consolidated balance sheets.

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The following table presents the activity in the allowance for credit losses by portfolio type for the years ended December 31,:

	Commercial and Industrial		Commercial Real Estate		Residential Real Estate		Public Finance		Consumer		Other		Total
2023
Allowance for credit losses:
Balance, beginning of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
Impact of adopting ASC 326	(13,583)		3,867		10,256		3,890		249		577		5,256
Provision for (benefit from) credit losses	10,445		3,996		2,457		(217)		400		(46)		17,035
Loans charged-off	(9,242)		(83)		(13)		—		(334)		—		(9,672)
Recoveries	1,118		12		682		—		50		—		1,862
Balance, end of period	$	29,523	$	27,546	$	16,345	$	5,337	$	717	$	930	$	80,398
2022
Allowance for credit losses:
Balance, beginning of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547
Provision for (benefit from) credit losses	9,248		6,168		2,028		120		199		287		18,050
Loans charged-off	(2,321)		—		(122)		—		(144)		—		(2,587)
Recoveries	2,236		388		221		—		62		—		2,907
Balance, end of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
2021
Allowance for credit losses:
Balance, beginning of period	$	29,235	$	14,033	$	1,435	$	2,604	$	288	$	171	$	47,766
Provision for credit losses	5,136		(488)		(581)		(1,060)		52		(59)		3,000
Loans charged-off	(4,296)		(375)		(42)		—		(148)		—		(4,861)
Recoveries	1,547		28		24		—		43		—		1,642
Balance, end of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547

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We determine the allowance for credit losses estimate on at least a quarterly basis.

As of December 31, 2023 and 2022, we had an allowance for credit losses on unfunded commitments of $2,309 and $1,313, respectively. For the years ended December 31, 2023, 2022 and 2021, we recorded a provision for credit losses on unfunded commitments of $1,212, $525 and $300, respectively.

The following table presents our loan portfolio aging analysis as of December 31,:

	Loans Not Past Due		Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Greater than 90 Days Past Due, Still Accruing		Nonaccrual		Total
2023
Commercial and industrial (1)	$	2,420,775	$	10,117	$	3,782	$	25,010	$	8,004	$	2,467,688
Commercial real estate:
Non-owner occupied	796,477		1,063		10,851		—		3,844		812,235
Owner occupied	626,424		8,269		—		638		34		635,365
Construction and land	345,245		—		—		—		185		345,430
Multifamily	103,066		—		—		—		—		103,066
Total commercial real estate	1,871,212		9,332		10,851		638		4,063		1,896,096
Residential real estate	1,065,438		19,261		3,330		168		22,413		1,110,610
Public Finance	602,913		—		—		—		—		602,913
Consumer	36,357		4		—		—		10		36,371
Other	141,794		8,787		—		—		2,837		153,418
Total loans	$	6,138,489	$	47,501	$	17,963	$	25,816	$	37,327	$	6,267,096
2022
Commercial and industrial	$	2,298,207	$	2,409	$	819	$	—	$	9,494	$	2,310,929
Commercial real estate:
Non-owner occupied	773,042		4,356		—		—		2,148		779,546
Owner occupied	630,335		—		—		—		5,937		636,272
Construction and land	324,888		2,632		99		—		198		327,817
Multifamily	102,068		—		—		—		—		102,068
Total commercial real estate	1,830,333		6,988		99		—		8,283		1,845,703
Residential real estate	974,450		17,231		1,524		98		10,628		1,003,931
Public Finance	590,284		—		—		—		—		590,284
Consumer	42,434		58		3		—		93		42,588
Other	117,926		—		—		—		471		118,397
Total loans	$	5,853,634	$	26,686	$	2,445	$	98	$	28,969	$	5,911,832
(1) Loans greater than 90 days past due, still accruing relates primarily to one borrower relationship where interest was paid current in February 2024. Contractual principal payments related to this borrower relationship were deferred until March 15, 2024. This deferral was not significant.

Interest income recorded on nonperforming loans was not material for the years ended December 31, 2023, 2022 and 2021.

Credit risk monitoring and management is a continuous process to manage the quality of the loan portfolio. We segment loans into risk categories based on relevant borrower risk profile information, including the ability to service their debt based on current financial information, historical payment experience, credit documentation, public information and current economic trends among other factors. The risk rating system is used as a tool to analyze and monitor movements in loan portfolio quality.

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Risk ratings meeting an internally specified exposure threshold are updated annually, or more frequently upon the occurrence of a circumstance that affects the credit risk of the loan. We use the following definitions for risk ratings:

Pass – Loans classified as Pass have a well-defined primary source of repayment, an acceptable financial position profile (including capitalization), profitability and minimal operating risk.

Pass/Watch – Pass/Watch loans require close attention by bank management and enhanced monitoring due to quantitative or qualitative concerns linked to adverse trends or near-term uncertainty. A covenant default or other type of requirement shortfall may have arisen subsequent to a loan's booking or borrower now shows signs of weakness in the overall base of confirmable financial resources available to repay the loan. However, overall financial capacity & performance are considered sufficient to support an expectation of continued payment performance and / or mitigating factors exist that are expected to limit the risk of near term default and loss.

Special Mention – Special Mention loans have identified potential weaknesses that are of sufficient materiality to require management’s (persistent) close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or in the bank's credit position under normal business operations. Special Mention loans contain greater than acceptable risk to warrant increases in credit exposure and are thus considered “criticized”, non-pass rated credits. They may contain weaknesses (that have arisen due to deteriorating conditions since origination) and / or underwriting exceptions that are not currently offset by mitigating factors. However, these weaknesses, while sufficient to constitute significantly elevated credit risk, are not sufficient to support a conclusion that the liquidation of the debt is in significant jeopardy.

Substandard - Accruing – Substandard - Accruing loans are inadequately protected by the current sound net worth and paying capacity of the obligor(s). Loans classified as Substandard - Accruing possess one or more well-defined weaknesses that are expected to jeopardize their liquidation but the weaknesses have not progressed to a point where recent late payments on the loan have become more than 90 days past due. These loans are characterized by the distinct possibility that the bank may sustain up to a moderate but not significant level of loss if such weaknesses are not corrected. Losses for Substandard - Accruing loans are moderated by the lower likelihood of ultimate default and the existence of relatively favorable secondary repayment protection. These loans are considered “nonperforming”.

Substandard - Nonaccrual – Substandard - Nonaccrual loans are inadequately protected by the current sound net worth and paying capacity of the obligor or the collateral pledged, if any. Loans classified as Substandard - Nonaccrual possess material, well-defined weaknesses that are expected to jeopardize their liquidation and have progressed to a point where consistently late payments on the loan have become more than 90 or more days past due. These loans are characterized by the distinct possibility that the bank may sustain a material level of loss if such weaknesses are not corrected. Losses for Substandard - Nonaccrual loans are prone to being elevated based on the strong likelihood of the loan remaining in payment default and an undesirable level of secondary repayment protection. These loans are considered “nonperforming”.

Doubtful – Loans classified as Doubtful possess all of the weaknesses inherent in loans classified as Substandard - Nonaccrual with the added characteristic that the weaknesses make collection or liquidation in full highly questionable or improbable based on currently existing facts, conditions and values. A high probability of substantial loss or possible total loss exists. Loans rated as doubtful are not rated as loss because certain events may occur that could salvage at least a portion of the debt. These events include injections of capital, additions of pledged collateral or possible mezzanine debt refinancing options. However, without the occurrence of such events, total loss may be possible. No definite repayment schedule exists for these loans. The Doubtful grade is a temporary grade. If a near term recovery of a portion of the loan balance is indeterminable or unlikely to occur, the remaining balance of the loan should be written off and possible future recoveries may partially offset the full write-off of the loan. These loans are considered “nonperforming”.

Loss – Loans classified as Loss are defaulted loans with limited or immaterial recovery prospects. No loan that has not yet defaulted should be classified at this grade level. This rating level tends to be very short lived as the full balance of the loan tends to be fully written off nearly immediately after a change to this rating level. These loans are considered “nonperforming”.

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The following table present the amortized costs by segment of loans by risk category and origination date as of December 31, 2023:

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Commercial and industrial:
Pass	$	384,720	$	432,903	$	342,394	$	143,636	$	41,667	$	39,972	$	39,098	$	786,059	$	2,210,449
Pass/Watch	4,052		2,543		18,832		4,595		1,603		2,441		1,273		93,951		129,290
Special Mention	3,759		47,071		2,253		2,281		659		731		3,334		6,729		66,817
Substandard - Accruing	2,992		362		33,625		4,316		1,338		3,542		3,044		3,909		53,128
Substandard - Nonaccrual	—		—		690		4,122		1,110		364		96		248		6,630
Doubtful	—		—		—		490		547		33		304		—		1,374
Total commercial and industrial	$	395,523	$	482,879	$	397,794	$	159,440	$	46,924	$	47,083	$	47,149	$	890,896	$	2,467,688
Gross charge-offs	$	—	$	—	$	2,786	$	3,096	$	—	$	368	$	2,992	$	—	$	9,242
Commercial real estate:
Non-owner occupied:
Pass	$	55,581	$	117,162	$	136,361	$	116,402	$	60,535	$	176,308	$	19,256	$	71,322	$	752,927
Pass/Watch	—		—		—		3,791		6,342		24,620		1,277		—		36,030
Special Mention	2,717		—		—		—		—		—		1,582		—		4,299
Substandard - Accruing	—		3,561		—		1,880		—		9,694		—		—		15,135
Substandard - Nonaccrual	—		—		—		—		—		3,844		—		—		3,844
Total non-owner occupied	$	58,298	$	120,723	$	136,361	$	122,073	$	66,877	$	214,466	$	22,115	$	71,322	$	812,235
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Owner occupied:
Pass	$	87,167	$	83,308	$	105,935	$	102,885	$	64,134	$	123,199	$	2,961	$	6,103	$	575,692
Pass/Watch	600		902		—		15,541		2,896		2,520		—		1,615		24,074
Special Mention	—		493		5,745		306		1,092		2,834		—		—		10,470
Substandard - Accruing	2,295		460		1,204		3,027		2,259		15,850		—		—		25,095
Substandard - Nonaccrual	—		—		—		—		—		34		—		—		34
Total owner occupied	$	90,062	$	85,163	$	112,884	$	121,759	$	70,381	$	144,437	$	2,961	$	7,718	$	635,365
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Construction & land:
Pass	$	44,496	$	171,411	$	32,176	$	28,221	$	13,459	$	8,718	$	21,600	$	1,913	$	321,994
Pass/Watch	—		—		13,036		6,541		—		15		—		—		19,592
Special Mention	—		—		1,381		2,278		—		—		—		—		3,659
Substandard - Nonaccrual	—		—		—		185		—		—		—		—		185
Total construction & land	$	44,496	$	171,411	$	46,593	$	37,225	$	13,459	$	8,733	$	21,600	$	1,913	$	345,430
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Multifamily:
Pass	$	1,359	$	36,852	$	36,537	$	12,838	$	2,716	$	5,885	$	—	$	5,574	$	101,761
Special Mention	—		—		—		—		1,305		—		—		—		1,305
Total multifamily	$	1,359	$	36,852	$	36,537	$	12,838	$	4,021	$	5,885	$	—	$	5,574	$	103,066
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

112

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Total commercial real estate:
Pass	$	188,603	$	408,733	$	311,009	$	260,346	$	140,844	$	314,110	$	43,817	$	84,912	$	1,752,374
Pass/Watch	600		902		13,036		25,873		9,238		27,155		1,277		1,615		79,696
Special Mention	2,717		493		7,126		2,584		2,397		2,834		1,582		—		19,733
Substandard - Accruing	2,295		4,021		1,204		4,907		2,259		25,544		—		—		40,230
Substandard - Nonaccrual	—		—		—		185		—		3,878		—		—		4,063
Total commercial real estate:	$	194,215	$	414,149	$	332,375	$	293,895	$	154,738	$	373,521	$	46,676	$	86,527	$	1,896,096
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Residential real estate:
Pass	$	153,327	$	573,624	$	116,695	$	38,309	$	38,121	$	141,216	$	1,857	$	13,540	$	1,076,689
Pass/Watch	155		1,181		28		—		269		4,667		176		—		6,476
Special Mention	—		—		—		—		254		1,465		—		—		1,719
Substandard - Accruing	—		3,199		—		—		—		114		—		—		3,313
Substandard - Nonaccrual	—		6,704		3,169		2,214		4,009		6,267		16		34		22,413
Total residential real estate	$	153,482	$	584,708	$	119,892	$	40,523	$	42,653	$	153,729	$	2,049	$	13,574	$	1,110,610
Gross charge-offs	$	—	$	—	$	—	$	13	$	—	$	—	$	—	$	—	$	13
Public Finance:
Pass	$	37,074	$	—	$	43,512	$	174,907	$	201,575	$	135,326	$	—	$	3,051	$	595,445
Substandard - Accruing	—		—		—		—		7,468		—		—		—		7,468
Total public finance	$	37,074	$	—	$	43,512	$	174,907	$	209,043	$	135,326	$	—	$	3,051	$	602,913
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer:
Pass	$	3,232	$	2,183	$	5,347	$	9,414	$	3,482	$	2,555	$	2	$	9,491	$	35,706
Pass/Watch	—		53		108		99		145		153		1		46		605
Special Mention	—		—		13		7		—		—		—		—		20
Substandard - Accruing	—		—		—		—		—		—		30		—		30
Substandard - Nonaccrual	—		4		6		—		—		—		—		—		10
Total consumer	$	3,232	$	2,240	$	5,474	$	9,520	$	3,627	$	2,708	$	33	$	9,537	$	36,371
Gross charge-offs	$	—	$	—	$	11	$	8	$	111	$	32	$	3	$	169	$	334
Other:
Pass	$	5,890	$	7,802	$	13,198	$	806	$	282	$	10,227	$	4,859	$	100,183	$	143,247
Pass/Watch	—		—		7,334		—		—		—		—		—		7,334
Substandard - Nonaccrual	—		—		—		—		2,391		—		446		—		2,837
Total other	$	5,890	$	7,802	$	20,532	$	806	$	2,673	$	10,227	$	5,305	$	100,183	$	153,418
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total loans:
Pass	$	772,846	$	1,425,245	$	832,155	$	627,418	$	425,971	$	643,406	$	89,633	$	997,236	$	5,813,910
Pass/Watch	4,807		4,679		39,338		30,567		11,255		34,416		2,727		95,612		223,401
Special Mention	6,476		47,564		9,392		4,872		3,310		5,030		4,916		6,729		88,289
Substandard - Accruing	5,287		7,582		34,829		9,223		11,065		29,200		3,074		3,909		104,169
Substandard - Nonaccrual	—		6,708		3,865		6,521		7,510		10,509		558		282		35,953
Doubtful	—		—		—		490		547		33		304		—		1,374
Total loans	$	789,416	$	1,491,778	$	919,579	$	679,091	$	459,658	$	722,594	$	101,212	$	1,103,768	$	6,267,096
Gross charge-offs	$	—	$	—	$	2,797	$	3,117	$	111	$	483	$	2,995	$	169	$	9,672

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The following table presents the credit risk profile of our loan portfolio, gross of deferred costs, fees, premiums and discounts, based on our rating categories as of December 31, 2022, which is prior to the adoption of ASU 2016-13 on January 1, 2023 and continue to be reported under ASC 310, Receivables. We categorized loans into risk categories based on relevant information about the ability of borrowers to service their debt including current financial information, historical payment experience, credit documentation, public information and current economic trends among other factors. This risk rating system was used as a tool to analyze and monitor loan portfolio quality. Risk ratings meeting an internally specified exposure threshold were updated annually, or more frequently upon the occurrence of a circumstance that affected the credit risk of the loan. We use the following definitions for risk ratings:

Substandard - loans are considered “classified” and have a well-defined weakness, or weaknesses, such as loans that are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard loans are also characterized by the distinct possibility of loss in the future if the deficiencies are not corrected.

Doubtful - loans are considered “classified” and have all the weaknesses inherent in those classified as Substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. There were loans totaling $45 categorized as doubtful as of December 31, 2022.

	Non-Classified		Classified		Total
Commercial and industrial	$	2,969,786	$	55,288	$	3,025,074
Commercial real estate	1,715,415		37,945		1,753,360
Residential real estate	1,096,108		10,685		1,106,793
Consumer	43,592		114		43,706
Total loans	$	5,824,901	$	104,032	$	5,928,933

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The following table presents information about collateral dependent loans that were individually evaluated for purposes of determining the ACL as of December 31,:

	Collateral Dependent Loans With Allowance				Collateral Dependent Loans With No Related Allowance		Total Collateral Dependent Loans
	Amortized Cost		Related Allowance		Amortized Cost		Amortized Cost		Related Allowance
2023
Commercial & industrial	$	5,084	$	2,328	$	2,920	$	8,004	$	2,328
Commercial real estate:
Non-owner occupied	—		—		3,844		3,844		—
Owner occupied	—		—		34		34		—
Construction and land	—		—		185		185		—
Total commercial real estate	—		—		4,063		4,063		—
Residential real estate	1,551		103		20,862		22,413		103
Consumer	10		10		—		10		10
Other	2,391		102		446		2,837		102
Total loans	$	9,036	$	2,543	$	28,291	$	37,327	$	2,543
2022
Commercial & industrial	$	6,330	$	1,101	$	3,164	$	9,494	$	1,101
Commercial real estate:
Non-owner occupied	115		36		2,033		2,148		36
Owner occupied	681		153		5,256		5,937		153
Construction and land	—		—		198		198		—
Total commercial real estate	796		189		7,487		8,283		189
Residential real estate	836		34		9,779		10,615		34
Consumer	91		88		—		91		88
Other	—		—		475		475		—
Total loans	$	8,053	$	1,412	$	20,905	$	28,958	$	1,412

The allowance related to collateral dependent loans reported in the tables above includes qualitative adjustments applied to the loan portfolio that consider possible changes in circumstances that could ultimately impact credit losses and might not be reflected in historical data or forecasted data incorporated in the quantitative models.

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Loan Modifications Made to Borrowers Experiencing Financial Difficulty:

The allowance for credit losses incorporates an estimate of lifetime expected credit losses and is recorded on each asset upon origination. The starting point for the estimate of the allowance for credit losses is historical loss information, which includes losses from modifications of receivables to borrowers experiencing financial difficulty. The Company uses a PD/LGD model to determine the allowance for credit losses. An assessment of whether a borrower is experiencing financial difficulty is made at the time of a modification. The loan modifications in the table below did not significantly impact our determination of the allowance for credit losses on loans during 2023.

Because the effect of most modifications made to borrowers experiencing financial difficulty is already included in the allowance for credit losses, a change to the allowance for credit losses is generally not recorded upon modification. Occasionally, the Company modifies loans by providing principal forgiveness that is deemed to be uncollectible; therefore, that portion of the loan is written-off, resulting in a reduction of the amortized cost basis and a corresponding adjustment to the allowance for credit losses. Additionally, the Company may allow a loan to go interest only for a specified period of time.

The following table presents loan modifications that were experiencing financial difficulty during 2023, segregated by modification type, regardless of whether such modifications resulted in a new loan.

	Payment Delay		Interest Rate Reduction		% of Total Class of Loans
Commercial and industrial	$	292	$	—	—	%
Commercial real estate:
Non-owner occupied	—		—		—	%
Owner occupied	—		1,145		0.2	%
Construction and land	—		—		—	%
Multifamily	—		—		—	%
Total commercial real estate	—		1,145		0.2	%
Residential real estate	—		—		—	%
Public finance	—		—		—	%
Consumer	—		—		—	%
Other	—		—		—	%
Total loans	$	292	$	1,145	0.2	%

There were no commitments to lend additional funds to these borrowers at December 31, 2023.

The financial effects of our loan modifications made to borrowers experiencing financial difficulty during 2023 were not significant.

We closely monitor the performance of loan modifications made to borrowers experiencing financial difficulty to understand the effectiveness of the modification efforts. There were no loans past due that have been modified in the last 12 months. There is one commercial and industrial loan totaling $292 on nonaccrual status that has been modified in the last 12 months.

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NOTE 5 - Mortgage Servicing Rights

The unpaid principal loan balance of our servicing portfolio is presented in the following table as of December 31,:

	2023		2022
Federal National Mortgage Association	$	2,478,732	$	2,517,434
Federal Home Loan Mortgage Corporation	1,736,329		1,630,403
Government National Mortgage Association	1,094,438		916,455
Federal Home Loan Bank	105,702		111,699
Other	1,258		1,413
Total	$	5,416,459	$	5,177,404

The activity of MSRs carried at fair value is as follows for the years ended December 31,:

	2023		2022		2021
Balance, beginning of period	$	74,097	$	47,392	$	29,144
Additions:
Servicing resulting from transfers of financial assets	9,253		14,287		23,854
Changes in fair value:
Due to changes in valuation inputs or assumptions used in the valuation model	30		20,350		6,093
Changes in fair value due to pay-offs, pay-downs, and runoff	(6,679)		(7,932)		(11,699)
Balance, end of period	$	76,701	$	74,097	$	47,392

The following represents the weighted-average key assumptions used to estimate the fair value of MSRs as of December 31,:

	2023		2022		2021
Discount rate	10.06	%	9.85	%	9.22	%
Total prepayment speeds	7.79	%	7.40	%	11.52	%
Cost of servicing each loan	$90/per loan		$88/per loan		$85/per loan

Total servicing and ancillary fees earned from the mortgage servicing portfolio is presented in the following table for the years ended December 31,:

	2023		2022		2021
Servicing fees	$	14,913	$	14,675	$	12,092
Late and ancillary fees	761		413		433
Total	$	15,674	$	15,088	$	12,525

117

NOTE 6 - Premises and Equipment

A summary of premises and equipment is as follows:

	Estimated Useful Lives	2023		2022
Land	N/A	$	18,903	$	18,903
Buildings and improvements	5 - 39 years	80,948		80,565
Equipment	3 - 10 years	27,080		25,987
Automobiles	5 years	223		166
Software	1 - 7 years	9,092		7,200
Construction in progress	N/A	1,207		1,360
Premises and equipment		137,453		134,181
Less: Accumulated depreciation and amortization		(52,611)		(46,067)
Premises and equipment, net		$	84,842	$	88,114

We had depreciation and amortization expense as follows for the years ended December 31,:

	2023		2022		2021
Depreciation expense	$	6,553	$	7,118	$	6,118
Software amortization expense	$	867	$	835	$	1,063
Total depreciation and amortization expense	$	7,420	$	7,953	$	7,181

NOTE 7 - Core Deposits and Other Intangible Assets

Activity in our core deposits and other intangible assets was as follows as of and for the years ended December 31,:

	Indefinite-Lived Assets		Finite Lived Assets
	Tradenames		Core Deposits Intangibles		Customer Relationships		Non-compete Agreements		Total
2023
Balance, beginning of year	$	1,800	$	13,159	$	748	$	99	$	15,806
Amortization	—		(4,538)		(185)		(99)		(4,822)
Balance, end of year	$	1,800	$	8,621	$	563	$	—	$	10,984
2022
Balance, beginning of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250
Additions	—		11,327		—		444		11,771
Amortization	—		(3,167)		(703)		(345)		(4,215)
Balance, end of year	$	1,800	$	13,159	$	748	$	99	$	15,806
2021
Balance, beginning of year	$	1,800	$	6,211	$	1,656	$	—	$	9,667
Amortization	—		(1,212)		(205)		—		(1,417)
Balance, end of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250

During the years ended December 31, 2023, 2022 and 2021, there was no indication of impairment of our core deposits and other intangible assets.

118

Future amortization expense of our core deposits and other intangible assets is as follows:

2024	$	2,605
2025	2,312
2026	2,006
2027	1,142
2028	920
Thereafter	199
Total future amortization	$	9,184

NOTE 8 - Derivative Financial Instruments

Banking Derivative Financial Instruments:

We are exposed to changes in the fair value of certain of our fixed-rate assets due to changes in benchmark interest rates. We use interest rate swaps to manage our exposure to changes in fair value on these instruments attributable to changes a designated benchmark interest rate, such as SOFR. Interest rate swaps designated as fair value hedges involve the receipt of variable-rate amounts from a counterparty in exchange for us making fixed-rate payments over the life of the agreements without the exchange of the underlying notional amount. The carrying amount of hedged loans receivable and available-for-sale securities as of December 31, 2023 and 2022 was $184,829 and $181,377, respectively. The cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged loans receivable as of December 31, 2023 and 2022 was $(9,567) and $(12,752), respectively. The cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged available-for-sale securities as of December 31, 2023 and 2022 was $3,168 and $2,879, respectively. The hedges were determined to be effective during all periods presented and we expect the hedges to remain effective during their remaining terms.

Derivatives not designated as hedges are not speculative and result from a service we provide to certain customers. We execute interest rate swaps with banking customers to facilitate their respective risk management strategies. Those interest rate swaps are simultaneously hedged by offsetting derivatives that we execute with a third-party, such that we minimize our net risk exposure resulting from such transactions. As the interest rate derivatives associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings. These instruments are a component of prepaid expenses and other assets and accrued expenses and other liabilities.

119

The components of our banking derivative financial instruments consisted of the following as of December 31,:

	Number of Transactions	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028 - 2036	$	195,935	$	12,737
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,931
Other	1	2025	$	14,638	$	7
Liabilities:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,869
Other	2	2028	$	6,168	$	30
2022
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028-2036	$	201,906	$	15,636
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	41	2024-2037	$	338,770	$	24,615
Other	1	2025	$	14,638	$	—
Liabilities:
Interest Rate Products	41	2024-2037	$	338,770	$	24,242

We recorded gains and losses on banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded gain (loss) on banking derivative assets	$	4,482	$	28,783	$	(777)
Recorded (loss) gain on banking derivative liabilities	$	(4,820)	$	(27,973)	$	1,172

For the years ended December 31, 2023, 2022 and 2021 our banking derivative financial instruments not designated as hedging instruments generated fee income of $1,451, $2,152 and $2,309, respectively.

Credit-risk-related Contingent Features:

We have agreements with each of our derivative counterparties that contain a provision where if we either default or are capable of being declared in default on any of our indebtedness, then we could also be declared in default on our derivative obligations.

We also have agreements with our derivative counterparties that contain a provision where if we fail to maintain our status as a well-capitalized institution, then our derivative counterparties have the right, but not the obligation to terminate existing swaps. As of December 31, 2023 and 2022, the fair value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $20,508 and $24,677, respectively. As of December 31, 2023 and 2022, we have minimum collateral posting thresholds with our derivative counterparties and have posted collateral of $9,040 and $8,790, respectively. If we had breached any of these provisions at December 31, 2023, we could have been required to settle our obligations under the agreements at their termination value of $20,508.

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Mortgage Banking Derivative Financial Instruments:

The components of our mortgage banking derivative financial instruments consisted of the following as of December 31,:

	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments
Assets:
Futures	2024	$	28,700	$	2,153
Interest rate lock commitments (IRLC)	2024	$	41,404	$	252
Liabilities:
Forward MBS trades	2024	$	77,000	$	606
2022
Derivative financial instruments
Assets:
Futures	2023	$	85,000	$	36
Liabilities:
Forward MBS trades	2023	$	21,800	$	225
Interest rate lock commitments (IRLC)	2023	$	52,533	$	60

We recorded gains and losses on mortgage banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded (loss) gain on mortgage banking derivative     assets	$	(857)	$	233	$	(9,655)
Recorded (loss) gain on mortgage banking derivative liabilities	$	(642)	$	(15,863)	$	246

NOTE 9 - Prepaid Expenses and Other Assets

The components of prepaid expenses and other assets consisted of the following as of December 31,:

	2023		2022
Derivative financial instruments	$	35,080	$	40,287
Right-of-use asset on leased property	24,227		28,404
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
Fiserv ATM compensating balance	11,308		9,865
Prepaid expenses	7,617		7,691
CRA investments	4,370		2,357
Federal and state tax receivables, net	3,640		1,101
Artwork	944		944
SBA servicing rights	163		236
Other	23,542		21,681
Total prepaid expenses and other assets	$	134,321	$	124,790

For additional information regarding our right-of-use asset on leased property, see Note 25 - Lease Commitments.

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NOTE 10 - Deposits

The composition of our deposits is as follows as of December 31,:

	2023		2022
Noninterest-bearing demand deposit accounts	$	1,530,506	$	1,820,490
Interest-bearing deposit accounts:
Interest-bearing demand accounts	534,540		212,357
Savings accounts and money market accounts	2,446,632		2,759,969
NOW accounts	56,819		50,224
Certificate of deposit accounts:
Less than $100	714,171		241,322
$100 through $250	569,696		270,790
Greater than $250	521,739		409,910
Total interest-bearing deposit accounts	4,843,597		3,944,572
Total deposits	$	6,374,103	$	5,765,062

The following table summarizes the interest expense incurred on our deposits for the years ended December 31,:

	2023		2022		2021
Interest-bearing deposit accounts:
Interest-bearing demand accounts	$	11,235	$	1,637	$	379
Savings accounts and money market accounts	30,977		7,569		4,752
NOW accounts	339		138		377
Certificate of deposit accounts	58,804		3,810		3,036
Total interest-bearing deposit accounts	$	101,355	$	13,154	$	8,544

The remaining maturity on certificate of deposit accounts is as follows as of December 31, 2023:

2024	$	1,667,847
2025	118,408
2026	9,440
2027	3,926
2028	3,153
Thereafter	2,832
Total certificate of deposit accounts	$	1,805,606

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NOTE 11 - Securities Sold Under Agreements to Repurchase

Information concerning securities sold under agreements to repurchase is as follows as of and for years ended December 31,:

	2023			2022
Amount outstanding at period-end	$	24,693		$	36,721
Average daily balance during the period	$	28,316		$	54,335
Average interest rate during the period	0.84		%	0.27		%
Maximum month-end balance during the period	$	40,432		$	70,838
Weighted average interest rate at period-end	0.91		%	0.42		%

At December 31, 2023 and 2022, such agreements were secured by investment and mortgage-related securities with an approximate carrying amount of $30,810 and $48,931, respectively. Pledged securities are maintained by safekeeping agents at the direction of the Bank. Our agreements to repurchase generally mature daily, and are considered to be in an overnight and continuous position.

NOTE 12 - Debt

FHLB advances:

The following is a breakdown of our FHLB advances and other borrowings outstanding as of December 31,:

	2023				2022
	Amount		Rate	Weighted Average Rate	Amount		Rate	Weighted Average Rate
Variable rate line-of-credit advance	$	389,468	5.55%	N/A	$	643,885	4.48%	N/A

The advances were collateralized by $1,674,096 and $1,630,939 of loans pledged to the FHLB as of December 31, 2023 and 2022, respectively. All FHLB advances as of December 31, 2023 consisted of overnight borrowings with a maturity of January 1, 2024.

As of December 31, 2023 and 2022, the Bank had total borrowing capacity with the FHLB that is based on qualified collateral lending values of $1,192,022 and $1,139,356, respectively. Our additional borrowing availability with the FHLB at December 31, 2023 was $706,367. These borrowings can be in the form of additional term advances or a line-of-credit.

FRB advances:

We also had a $2,028,410 line-of-credit with the FRB. The agreement bears interest at the Fed Funds target rate and is secured by municipal, agency, mortgage-related and corporate securities. The entire line was available at December 31, 2023.

Other borrowings:

We have lines-of-credit with certain other financial institutions totaling $110,000 as of December 31, 2023. No amounts were drawn on these lines-of-credit in 2023.

Convertible Notes Payable:

On August 31, 2023, the convertible notes of $5,456 matured and were repaid in full. As of December 31, 2022, we had outstanding convertible notes of $5,456. The annual interest rate on these convertible notes was 3.29% with quarterly interest payments. With respect to conversion, each $1 (in thousands) principal amount of the convertible notes was convertible to 15.6717 shares of Parent Company common stock at any time prior to maturity. The conversion feature was not exercised at maturity. Accretion expense for the years ended December 31, 2023, 2022 and 2021 was $101, $1,131 and $746, respectively.

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Subordinated Debt:

Subordinated Notes - 2020:

In June and August 2020, we issued a total of $40,000 subordinated notes. The notes pay interest at a fixed rate of 6.00% through June 30, 2025 and subsequently, until maturity, pay interest at a floating rate of three month term SOFR plus 5.89% reset quarterly. Interest is payable on July 1 and January 1 of each year. Such notes are due on July 1, 2030. The notes are not redeemable within the first five years of issuance, except under certain very limited conditions. After five years, we may redeem the notes at our discretion.

We incurred and capitalized $933 of costs related to the issuance of the subordinated notes. As of and for the years ended December 31, 2023, 2022 and 2021, the amortization associated with the debt issuance costs totaled $93, $94 and $93, respectively. Future amortization of the debt issuance costs is expected as follows:

2024	$	93
2025	93
2026	93
2027	93
2028	93
Thereafter	143
Total future amortization	$	608

Subordinated Note - 2022:

On January 13, 2022, we issued a subordinated note totaling $25,000. The note pays interest at a fixed rate of 3.375% through January 15, 2027 and subsequently, until maturity, pay interest at a floating rate of three month term SOFR plus 2.03% reset quarterly. Interest is payable on July 15 and January 15 of each year. Such note is due on January 15, 2032. The note is not redeemable within the first five years of issuance, except under certain very limited conditions. After five years, we may redeem the note at our discretion.

We incurred and capitalized $534 of costs related to the issuance of the subordinated note. As of and for the years ended December 31, 2023 and 2022 the amortization associated with the debt issuance costs totaled $54 and $51, respectively. Future amortization of the debt issuance costs is expected as follows:

2024	$	53
2025	53
2026	53
2027	53
2028	53
Thereafter	164
Total future amortization	$	429

Trust preferred securities:

We have issued $9,279 in trust preferred securities through a special-purpose trust, New Mexico Banquest Capital Trust I (“NMBCT I”). In addition, we have issued $4,640 in trust preferred securities through a special purpose trust, New Mexico Banquest Capital Trust II (“NMBCT II”, and together with NMBCT I, collectively referred to as “NMBCT Trusts”). Interest is payable quarterly at a rate of three-month LIBOR (which was amended to three-month term SOFR as of June 30, 2023) plus 3.35% (8.94% and 7.02% as of December 31, 2023 and 2022, respectively) for the trust preferred securities issued through NMBCT I and at a rate of three-month LIBOR(which was amended to three-month SOFR as of June 30, 2023) plus 2.00% (7.64% and 6.69% as of December 31, 2023 and 2022, respectively) for the trust preferred securities issued through NMBCT II.

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This subordinated debt of $13,919 was originally recorded at a discount of $4,293. As of and for the years ended December 31, 2023, 2022 and 2021, accretion associated with the fair value discount totaled $286, $254 and $256, respectively. Future accretion of the valuation discount is expected as follows:

2024	$	382
2025	271
2026	241
2027	246
2028	241
Thereafter	1,189
Total future accretion	$	2,570

The Parent Company fully and unconditionally guarantees the obligations of the NMBCT Trusts on a subordinated basis. The trust preferred securities issued through the NMBCT Trusts are mandatorily redeemable upon the maturity of the debentures on December 19, 2032 and November 23, 2034, respectively, and are optionally redeemable, in part or in whole, by the Parent Company at each quarterly interest payment date. The Parent Company owns all of the outstanding common securities of the NMBCT Trusts, which have an aggregate liquidation valuation amount of $419 and is recorded in prepaid expenses and other assets on the consolidated balance sheet. The NMBCT Trusts are considered variable interest entities. Since the Parent Company is not the primary beneficiary of the NMBCT Trusts, the financial statements of the NMBCT Trusts are not included in our consolidated financial statements.

NOTE 13 - Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities consisted of the following as of December 31,:

	2023		2022
Lease liability	$	26,431	$	31,267
Salary and employee benefits	30,549		29,834
Derivative financial instruments	20,505		24,527
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
FRB courtesy inclearings	6,139		6,821
Professional fees	1,607		1,757
Property taxes payable	1,260		886
MPF servicing principal and interest payable	522		885
Other	14,927		15,884
Total accrued expenses and other liabilities	$	125,370	$	124,085

For additional information regarding our lease liability, see Note 25 - Lease Commitments.

For certain loans that we have sold to Ginnie Mae, we as the issuer have the unilateral right to repurchase without Ginnie Mae’s prior authorization any individual loan in a Ginnie Mae securitization pool if that loan meets certain criteria, including being delinquent greater than 90 days. Once we have the unilateral right to repurchase a delinquent loan, we have effectively regained control over the loan, and under U.S. GAAP, must re-recognize the loan on our consolidated balance sheet and establish a corresponding repurchase liability regardless of our intention to repurchase the loan.

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NOTE 14 - Earnings Per Share

Basic earnings per share, excluding dilution, is computed by dividing earnings available to common stockholders’ by the weighted average number of shares of common stock outstanding during the period. Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised and converted into common stock or resulted in the issuance of common stock that could then share in our earnings.

The following table sets forth the computation of basic and diluted earnings per share of common stock as of and for the years ended December 31,:

	2023		2022		2021
Net income applicable to common stockholders	$	103,533	$	59,182	$	43,164
Weighted Average Shares
Weighted average common shares outstanding	24,938,359		23,245,598		18,321,794
Effect of dilutive securities
Stock-based awards	448,837		592,873		448,991
Weighted average diluted common shares	25,387,196		23,838,471		18,770,785
Earnings per common share
Basic earnings per common share	$	4.15	$	2.55	$	2.36
Effect of dilutive securities
Stock-based awards	(0.07)		(0.07)		(0.06)
Diluted earnings per common share	$	4.08	$	2.48	$	2.30

There were no antidilutive securities for the year ended December 31, 2023. Convertible notes payable for 85,500 shares of common stock and stock-based awards for 1,699 were not considered in computing diluted earnings per share for the year ended December 31, 2022, because they were antidilutive. Convertible notes payable for 323,984 shares of common stock were not considered in computing diluted earnings per share for the year ended December 31, 2021 because they were antidilutive.

NOTE 15 - Accumulated Other Comprehensive Income

The following table sets forth the components in accumulated other comprehensive income for the years ended December 31,:

	2023		2022		2021
Securities available-for-sale:
Balance, beginning of year	$	(46,157)	$	1,664	$	9,119
Unrealized loss	1,002		(63,302)		(9,870)
Income tax effect	(244)		15,481		2,415
Net unrealized loss	758		(47,821)		(7,455)
Reclassifications out of AOCI (1)	—		—		—
Other comprehensive loss, net of tax	758		(47,821)		(7,455)
Balance, end of year	$	(45,399)	$	(46,157)	$	1,664
Fair value hedges of securities available-for-sale:
Balance, beginning of year	$	2,174	$	—	$	—
Unrealized gain	289		2,879		—
Income tax effect	(71)		(705)		—
Net unrealized gain	218		2,174		—
Balance, end of year	$	2,392	$	2,174	$	—
(1) Reclassifications are reported in noninterest income on the Consolidated Statements of Income and Comprehensive Income

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NOTE 16 - Stockholders’ Equity

As of December 31, 2023 and 2022, the Company has 10,000,000 shares of preferred stock authorized, $0.0001 par value, of which none were issued or outstanding, respectively.

As of December 31, 2023 and 2022, the Company has 50,000,000 shares of common stock authorized, $0.0001 par value, of which 24,960,639 and 24,920,984 shares were issued and 24,960,639 and 24,920,984 shares were outstanding, respectively.

Treasury stock:

Activity in treasury stock is as follows for the years ended December 31,:

	2023			2022
	Shares	Amount		Shares	Amount
Balance, beginning of year	—	$	—	1,557,054	$	38,148
Purchases	—	—		—	—
Issuances	—	—		(1,557,054)	(38,148)
Balance, end of year	—	$	—	—	$	—

All purchases were in conjunction with the stock repurchase program that expired in 2022, and shares were held-in-treasury at $24.50 per share.

Dividends:

Dividends paid by the Company, if any, are substantially provided from Bank dividends. The Bank may declare dividends without prior regulatory approval that do not exceed the total of retained net income for the current year combined with its retained net income for the preceding two years, subject to maintenance of minimum capital requirements. During 2023 and 2022, the Bank paid dividends totaling $26,000 and $8,000, respectively, to the Parent Company. During 2023 and 2022, Logia paid dividends totaling $595 and $700, respectively, to the Parent Company. The Bank and Logia did not declare or pay any dividends in 2021. The Parent Company did not declare or pay any dividend in 2023, 2022 or 2021.

Equity Incentive Plans:

2017 Equity Incentive Plan

The 2017 Equity Incentive Plan (the “2017 Plan”) provides for the grant of stock options, stock appreciation rights, restricted stock and other stock awards to its employees, directors and consultants for up to 1,977,292 shares of FirstSun common stock in the aggregate.

Option awards are generally granted with an exercise price of not less than the fair value of a share of the Company’s common stock at the date of grant, they vest 25% on the first, second, third and fourth anniversaries following the date of grant and have 10 year contractual terms. The fair value of each stock option award is estimated on the date of grant utilizing the Black-Scholes option pricing model. Expected volatility was determined based on the median historical volatility of 25 to 30 comparable companies that were publicly traded for a period commensurate with the expected term of the options. The expected term of the options was estimated to be the average of the contractual vesting term and time to contractual expiration. The risk-free rate for the expected term of the stock options was based on the U.S. Treasury yield curve in effect at the date of grant.

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The following table presents stock options outstanding as of and for the years ended December 31,:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	1,307,915	$	20.23
Exercised	(62,915)	19.72
Outstanding, end of period	1,245,000	$	20.25	4.29
Options vested or expected to vest	1,245,000	$	20.25
Options exercisable, end of period	1,198,624	$	20.13	4.21
2022
Outstanding, beginning of period	1,412,900	$	20.19
Exercised	(104,985)	19.72
Outstanding, end of period	1,307,915	$	20.23	5.26
Options vested or expected to vest	1,307,915	$	20.23
Options exercisable, end of period	1,191,032	$	20.03	5.05

At December 31, 2023, there was $136 of total unrecognized compensation cost related to non-vested stock options. The unrecognized compensation cost at December 31, 2023 is expected to be recognized over the following two years. At December 31, 2023 and 2022, the intrinsic value of the stock options was $16,392 and $21,216, respectively.

2021 Equity Incentive Plan

The FirstSun Capital Bancorp 2021 Equity Incentive Plan (the “2021 Plan”) provides for the grant of stock options, stock appreciation rights, restricted stock and other stock awards to its employees, directors and consultants for up to 2,476,571 shares of FirstSun common stock in the aggregate. Additionally, we established the FirstSun Capital Bancorp Long-Term Incentive Plan (“LTIP”), which became effective April 1, 2022. The LTIP is intended to qualify as a “top-hat” plan under ERISA that is unfunded and provides benefits only to a select group of management or highly compensated employees of FirstSun or the Bank.

In May 2022, we issued 11,344 shares of restricted stock that were fully vested in May 2023. In May 2023, we issued 15,007 shares of restricted stock that will fully vest in May 2024. At December 31, 2023, there was $135 of total unrecognized compensation cost related to the non-vested restricted stock.

In May 2023, we issued performance-based restricted stock under the LTIP that, subject to the achievement of performance conditions, will fully vest in April 2026. At December 31, 2023, we determined it is probable that 97,694 shares will be issued based upon the probability that the performance conditions will be achieved. At December 31, 2023, there was $2,052 of total unrecognized compensation cost related to the non-vested restricted stock granted on these probable shares.

In May 2022, we issued performance-based restricted stock under the LTIP that, subject to the achievement of performance conditions, will fully vest in April 2025. At December 31, 2023, we determined it is probable that 59,099 shares will be issued based upon the probability that the performance conditions will be achieved. At December 31, 2023, there was $879 of total unrecognized compensation cost related to the non-vested restricted stock granted on these probable shares.

For the years ended December 31, 2023, 2022 and 2021, we recorded total compensation cost from the 2017 and 2021 Plans of $2,127, $1,448 and $2,998, respectively.

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Acquired Equity Incentive Plans

In conjunction with the Pioneer merger, we assumed certain options that had been granted under Pioneer’s option plans. All assumed options were fully vested and exercisable. No further options will be granted under the Pioneer plans. The following table presents option activity:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	170,711	$	23.19
Exercised	(40,719)	23.88
Forfeited	(8,091)	18.76
Outstanding, vested, and exercisable, end of period	121,901	$	23.26	3.87
2022
Outstanding, beginning of period	—	$	—
Options assumed from Pioneer Bancshares, Inc.	431,645	23.32
Exercised	(259,890)	23.40
Forfeited	(1,044)	24.90
Outstanding, vested, and exercisable, end of period	170,711	$	23.19	5.62

At December 31, 2023 and 2022, the intrinsic value of the stock options was $1,239 and $2,263, respectively.

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NOTE 17 - Income Taxes

The provision for income tax is summarized as follows for the years ended December 31,:

	2023		2022		2021
Current	$	24,938	$	5,637	$	5,533
Deferred	3,012		9,203		3,145
Total income tax expense	$	27,950	$	14,840	$	8,678

A reconciliation of the provision for income taxes, with the amount computed by applying the statutory U.S. federal income tax rates to income before provision for income taxes is as follows for the years ended December 31,:

	2023		2022		2021
Income tax provision computed at U.S. federal statutory rate	$	27,611	$	15,545	$	10,887
State tax expense, net of U.S. federal effect	3,718		2,359		1,836
Tax exempt interest	(4,017)		(4,011)		(4,562)
Net increase in cash surrender value of BOLI	(405)		(353)		(268)
Non-deductible professional fees	—		216		648
Executive compensation	301		727		—
Other	742		357		137
Income tax provision	$	27,950	$	14,840	$	8,678
Effective tax provision rate	21.3%		20.0%		16.7%

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Significant components of deferred tax assets and liabilities are as follows as of December 31,:

	2023		2022
Deferred tax assets:
Federal and state net operating loss	$	22,852	$	25,118
Allowance for credit losses	18,950		15,537
Unrealized loss on securities	13,920		14,235
Deferred compensation	3,005		4,756
Fair value adjustments on loans	1,626		2,428
Share-based compensation	2,529		2,208
Accrued expenses	881		1,320
Deferred loan fees	826		1,044
Lease liability	519		1,044
Fair value adjustments on deposits	99		326
Other real estate owned and foreclosed assets	—		7
Other	5,437		4,559
Total deferred tax assets	70,644		72,582
Deferred tax liabilities:
Mortgage servicing rights	18,079		17,465
Fair value adjustments on intangible assets	2,889		3,596
Prepaid expenses	1,193		1,143
Premises and equipment	1,281		918
Fair value adjustments on debt	606		700
FHLB stock	144		196
Other	193		209
Total deferred tax liabilities	24,385		24,227
Total deferred tax assets, net	$	46,259	$	48,355

As of December 31, 2023, we had net operating loss carryforwards for U.S. federal income tax purposes of approximately $105,392 which begin to expire in 2030. As of December 31, 2023, we had net operating loss carryforwards for state tax purposes of approximately $12,206 which begin to expire in 2024. Utilization of a portion of the net operating losses may be subject to a substantial annual limitation due to the ownership change limitations set forth in Internal Revenue Code Section 382 and similar state provisions. Such an annual limitation could result in the expiration of the net operating loss carryforwards before utilization. We believe that all of the net operating loss carryforwards will be used prior to expiration.

We evaluate uncertain tax positions at the end of each reporting period. We may recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefit recognized in the financial statements from any such position is measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate settlement. As of December 31, 2023 and 2022, we concluded there were no material uncertain tax positions.

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NOTE 18 - Other Noninterest Expenses

Significant components of other noninterest expenses are as follows for the years ended December 31,:

	2023		2022		2021
Data processing expenses	$	14,933	$	14,722	$	12,889
Office expenses	4,698		5,203		4,396
Loan appraisal, servicing, and collection expenses	4,179		4,914		4,043
Professional fees	7,663		6,918		4,506
Advertising and marketing expenses	2,810		2,592		3,124
Insurance expenses	6,422		5,050		3,537
Travel and entertainment	3,873		3,750		2,526
Automated teller machine (ATM) and interchange expenses	1,495		1,494		1,176
Deposit expenses and other operational losses	1,894		2,057		1,024
Other	3,347		3,757		3,358
Total other noninterest expenses	$	51,314	$	50,457	$	40,579

NOTE 19 - Regulatory Capital Matters

Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and, additionally for banks, prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can initiate regulatory action.

Under the Basel III rules, the Parent Company and the Bank must hold a capital conservation buffer above the adequately capitalized risk-based capital ratios. The fully phased in capital conservation buffer is 2.50% for all periods presented.

The net unrealized gain or loss on available for sale securities is not included in computing regulatory capital. As of December 31, 2023, both the Parent Company and the Bank met all capital adequacy requirements to which they were subject.

Prompt corrective action regulations provide five classifications: well-capitalized, adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized, although these terms are not used to represent overall financial condition. If adequately capitalized, regulatory approval is required to accept brokered deposits. If undercapitalized, capital distributions are limited, as is asset growth and expansion, and capital restoration plans are required. As of December 31, 2023 and 2022, the most recent regulatory notifications categorized the Bank as well-capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

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Actual and required capital amounts for the Parent Company are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount	Ratio
2023
Total risk-based capital to risk-weighted assets:	$	953,331	13.25	%	$	575,434	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	798,167	11.10	%	$	431,575	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	798,167	11.10	%	$	323,682	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	798,167	10.52	%	$	303,410	4.00	%	N/A	N/A
2022
Total risk-based capital to risk-weighted assets:	$	829,712	11.99	%	$	553,440	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	687,602	9.94	%	$	415,080	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	687,602	9.94	%	$	311,310	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	687,602	9.71	%	$	283,353	4.00	%	N/A	N/A

Actual and required capital amounts for the Bank are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
2023
Total risk-based capital to risk-weighted assets:	$	918,050	12.79	%	$	574,280	8.00	%	$	717,850	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	838,199	11.68	%	$	430,710	6.00	%	$	574,280	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	838,199	11.68	%	$	323,033	4.50	%	$	466,603	6.50	%
Tier 1 leverage capital to average assets:	$	838,199	11.05	%	$	303,321	4.00	%	$	379,151	5.00	%
2022
Total risk-based capital to risk-weighted assets:	$	815,335	11.81	%	$	552,237	8.00	%	$	690,296	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	748,105	10.84	%	$	414,177	6.00	%	$	552,237	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	748,105	10.84	%	$	310,633	4.50	%	$	448,692	6.50	%
Tier 1 leverage capital to average assets:	$	748,105	10.56	%	$	283,245	4.00	%	$	354,056	5.00	%

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NOTE 20 - Transactions with Related Parties

We have and may be expected to have in the future, banking transactions in the ordinary course of business with directors, significant stockholders, principal officers and their immediate families and affiliated companies in which they are principal stockholders (commonly referred to as related parties).

Loans:

As of December 31, 2023 and 2022, outstanding loans with related parties totaled $2,601 and $2,940, respectively. As of December 31, 2023, there were unused lines of credit with directors or officers totaling $1,231.

Deposits:

As of December 31, 2023 and 2022, deposits with related parties totaled $51,759 and $4,662, respectively.

Director Fees:

Fees paid to directors of the Company and the Bank for the year ended December 31, 2023, 2022 and 2021 totaled $535, $488 and $310, respectively.

Principal Officers:

On November 8, 2023, FirstSun acquired all membership interests of FEIF Capital Partners, LLC, a Delaware limited liability company (“FEIF”) from our chief executive officer for $150 and assumed liabilities of $11. FEIF currently has no operations. FEIF owns FEIF GP, LLC, a limited liability company with no assets. These entities will provide investment management services and are related to a future business activity of the Company.

NOTE 21 - Fair Value Measurements

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

A description of the valuation methodologies used for the assets measured at fair value on a recurring basis, as well as the general classification of such assets pursuant to the fair value hierarchy, is set forth below.

Available-for-sale securities - Where quoted market prices are available in an active market, securities are classified within Level 1 of the valuation hierarchy. Level 1 securities would include highly liquid exchange traded equities and mutual funds. If quoted market prices are not available, then fair values are estimated by using pricing models or quoted prices of securities with similar characteristics. Level 2 securities include U.S. treasury and agency securities, mortgage-related agency securities, mortgage-related private label securities, obligations of states and political subdivisions and asset backed and other securities.

Loans held-for-sale - Mortgage loans originated and intended for sale in the secondary market are classified as mortgage loans held-for-sale and recorded at fair value. The changes in fair value of mortgage loans held-for-sale are measured and recorded as a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income. Since estimated fair value is based on sale, exchange, or dealer market prices, these assets are classified within Level 2 of the valuation hierarchy.

Mortgage servicing rights - We estimate the fair value of our MSRs using a process that combines the use of a discounted cash flow model and analysis of current market data to arrive at an estimate of fair value. The cash flow assumptions and prepayment assumptions used in the model are based on various factors, with the key assumptions being mortgage prepayment speeds, discount rates, and cost to service. These assumptions are generated and applied based on collateral stratifications including product type, remittance type, geography, delinquency, and coupon dispersion. These assumptions require the use of judgment by management and can have a significant impact on the fair value of the MSRs. We use a third-party consulting firm to assist us with the valuation of MSRs. Because of the nature of the valuation inputs, we classify these valuations as Level 3 in the fair value disclosures. For further details on our level 3 inputs related to MSRs, see Note 5 - Mortgage Servicing Rights.

Derivative financial instruments:

Banking Activities - Interest rate swaps are valued based on quoted prices for similar assets in an active market with inputs that are observable. These instruments are a component of prepaid expenses and other assets and accrued expenses and

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other liabilities. The initial and subsequent changes in fair value of the interest rate swaps and the economic hedge derivatives are a component of other noninterest income.

Mortgage Banking Activities - The estimated fair value of forward mortgage sales of mortgage-backed securities and forward sale commitments are based on exchange prices or the dealer market price and are recorded as a component of prepaid expenses and other assets, mortgage loans held-for-sale, and/or accrued expenses and other liabilities on the consolidated balance sheet. The initial and subsequent changes in value on forward sales of mortgage-based securities and forward sale commitments are a component of gain on mortgage loans held-for-sale. The estimated fair value of IRLCs is based on the fair value of the related mortgage loans which is based on observable market data for similar loan product type. We adjust the outstanding IRLCs with prospective borrowers based on an expectation that it will be exercised and the loan will be funded. The initial and subsequent changes in the value of IRLCs are a component of gain on mortgage loans held-for-sale.

Derivative financial instruments are classified within Level 2 of the valuation hierarchy.

The following table sets forth our assets and liabilities measured at fair value on a recurring basis as of December 31,:

	Level 1		Level 2		Level 3
	Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs		Total Estimated Fair Value
2023
Available-for-sale securities	$	54,234	$	462,523	$	—	$	516,757
Loans held-for-sale	—		54,212		—		54,212
Mortgage servicing rights	—		—		76,701		76,701
Derivative financial instruments - assets	—		35,080		—		35,080
Derivative financial instruments - liabilities	—		(20,505)		—		(20,505)
Total	$	54,234	$	531,310	$	76,701	$	662,245
2022
Available-for-sale securities	$	56,649	$	480,324	$	—	$	536,973
Loans held-for-sale	—		57,323		—		57,323
Mortgage servicing rights	—		—		74,097		74,097
Derivative financial instruments - assets	—		40,287		—		40,287
Derivative financial instruments - liabilities	—		(24,527)		—		(24,527)
Total	$	56,649	$	553,407	$	74,097	$	684,153

There were not any transfers between Level 2 and Level 3 during the years ended December 31, 2023 and 2022.

The following table presents a reconciliation for our Level 3 assets measured at fair value on a recurring basis as of and for the years ended December 31,:

	2023		2022		2020
Balance, beginning of year	$	74,097	$	47,392	$	29,144
Total (losses) gains included in earnings	(6,649)		12,418		(5,606)
Purchases, issuances, sales and settlements:
Issuances	9,253		14,287		23,854
Balance, end of year	$	76,701	$	74,097	$	47,392

Certain financial assets and financial liabilities are regularly measured at fair value on a nonrecurring basis; that is, the instruments are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment). Assets and liabilities measured at fair value on a nonrecurring basis include the following:

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Collateral dependent loans - Loan impairment is reported when full payment under the loan terms is not expected. Fair value is generally based on recent third-party appraisals which are updated on a periodic basis. Impaired loans are carried at the fair value of collateral if the loan is collateral dependent. A portion of the allowance for loan loss is allocated to impaired loans if the value of such loans is deemed to be less than the unpaid balance. If these allocations cause the allowance for loan loss to require an increase, such increase is reported as a component of the provision for credit losses. Credit losses are charged against the allowance for credit losses when management believes the uncollectibility of a loan is confirmed. When loans are partially charged off, the resulting valuation would be considered Level 3, consisting of appraisals of underlying collateral.

Other Real Estate Owned and Foreclosed Assets - Other real estate owned is valued at the time the property is acquired and initially recorded at fair value less costs to sell, establishing a new cost basis. Fair value is generally based on recent third-party real estate appraisals which are updated on a periodic basis. These appraisals may take a single valuation approach using the comparable sales method or use a combination of approaches including the income approach. Adjustments are routinely made by the appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are typically significant and result in a Level 3 classification of the inputs for determining fair value.

The following table sets forth our assets and liabilities that were measured at fair value on a non-recurring basis as of December 31,:

	Level 3
	2023		2022
Collateral dependent loans:
Commercial and industrial	$	2,756	$	5,229
Commercial real estate	—		607
Residential real estate	1,448		802
Consumer	—		3
Other	2,289		—
Total collateral dependent loans	$	6,493	$	6,641
Other real estate owned and foreclosed assets, net:
Commercial real estate	$	3,133	$	5,391
Residential real estate	967		967
Total other real estate owned and foreclosed assets, net:	$	4,100	$	6,358

The fair value of the financial assets in the table above utilize the market approach valuation technique, with discount adjustments for differences between comparable sales.

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Fair value of financial instruments not carried at fair value:

The carrying amounts and estimated fair values of financial instruments not carried at fair value are as follows as of December 31,:

			Estimated Fair Value
	Carrying Value		Total		Level 1		Level 2		Level 3
2023
Assets:
Cash and cash equivalents	$	479,362	$	479,362	$	479,362	$	—	$	—
Securities held-to-maturity	36,983		32,181		—		32,181		—
Loans (excluding collateral dependent loans at fair value)	6,260,603		6,121,749		—		—		6,121,749
Restricted equity securities	38,072		38,072		—		38,072		—
Accrued interest receivable	37,099		37,099		—		2,220		34,879
Liabilities:
Deposits (excluding demand deposits)	$	4,309,057	$	4,298,164	$	2,503,451	$	1,794,713	$	—
Securities sold under agreements to repurchase	24,693		24,693		—		24,693		—
FHLB advances	389,468		389,468		—		389,468		—
Subordinated debt, net	75,313		72,073		—		72,073		—
Accrued interest payable	13,580		13,580		—		13,580		—
2022
Assets:
Cash and cash equivalents	$	343,526	$	343,526	$	343,526	$	—	$	—
Securities held-to-maturity	38,901		33,218		—		33,218		—
Loans (excluding impaired loans)	5,871,274		5,756,197		—		—		5,756,197
Restricted equity securities	50,215		50,215		—		50,215		—
Accrued interest receivable	28,543		28,543		—		2,049		26,494
Liabilities:
Deposits (excluding demand deposits)	$	3,732,215	$	3,696,438	$	2,810,193	$	886,245	$	—
Securities sold under agreements to repurchase	36,721		36,721		—		36,721		—
FHLB advances	643,885		643,885		—		643,885		—
Convertible notes payable, net	5,355		5,329		—		5,329		—
Subordinated debt, net	74,880		71,618		—		71,618		—
Accrued interest payable	5,798		5,798		—		5,798		—

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NOTE 22 - Parent Company Only Condensed Financial Information

The following are the unconsolidated financial statements for the Parent Company on a stand-alone basis. These condensed financial statements should be read in conjunction with the Consolidated Financial Statements and accompanying Notes. The Parent Company's principal sources of funds are cash dividends paid by the Bank to the Parent Company.

Condensed Balance Sheets

As of December 31,

	2023		2022
Assets
Cash and cash equivalents	$	34,050	$	17,312
Deferred tax assets	11,026		13,791
Prepaid expenses and other assets	16,179		12,996
Investment in and advances to subsidiaries	906,504		823,449
Total assets	$	967,759	$	867,548
Liabilities
Convertible notes payable, net	$	—	$	5,355
Subordinated debt, net	75,313		74,880
Accrued expenses and other liabilities	15,249		12,777
Total liabilities	90,562		93,012
Total stockholders’ equity	877,197		774,536
Total liabilities and stockholders’ equity	$	967,759	$	867,548

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Condensed Statements of Income and Comprehensive Income

For the years ended December 31,

	2023		2022		2021
Income:
Dividends received from subsidiaries	$	26,595	$	8,700	$	—
Interest income, $0, $2 and $44 from subsidiaries, respectively	36		22		56
Total income	26,631		8,722		56
Expense:
Interest expense	5,049		5,684		4,609
Salary and employee benefits	1,888		1,143		1,305
Occupancy and equipment	189		83		2
Merger related expenses	—		1,598		1,663
Other noninterest expenses, net	2,039		1,380		778
Total expenses	9,165		9,888		8,357
Income (loss) before income taxes and undistributed earnings from subsidiaries	17,466		(1,166)		(8,301)
Equity in undistributed earnings from subsidiaries	83,837		58,047		49,729
Income before income taxes	101,303		56,881		41,428
Benefit from income taxes	(2,230)		(2,301)		(1,736)
Net income	$	103,533	$	59,182	$	43,164
Other comprehensive income (loss), net	976		(45,647)		(7,455)
Comprehensive income	$	104,509	$	13,535	$	35,709

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Condensed Statements of Cash Flows

For the years ended December 31,

	2023		2022		2021
Cash flows from operating activities:
Net income	$	103,533	$	59,182	$	43,164
Adjustments to reconcile income to net cash provided by (used in) operating activities:
Amortization and accretion	533		1,529		1,095
(Equity) deficit in undistributed income of subsidiaries	(83,837)		(58,047)		(49,729)
Changes in operating assets and liabilities:
Other assets	(419)		(1,442)		(4,250)
Other liabilities	2,911		293		3,479
Net cash provided by (used in) operating activities	22,721		1,515		(6,241)
Cash flows from investing activities:
Payments for investments in and advances to subsidiaries	—		125		500
Cash paid to acquire FEIF Capital Partners, LLC (for further information, see Note 20 - Transactions with Related Parties)	(150)		—		—
Cash paid in excess of cash acquired in connection with Pioneer Merger	—		(4,140)		—
Contributions to subsidiaries	(210)		—		—
Net cash (used in) provided by investing activities	(360)		(4,015)		500
Cash flows from financing activities:
Repayments of convertible notes payable	(5,456)		(15,217)		—
Proceeds from subordinated debt	—		24,466		—
Proceeds from issuance of common stock, net of issuance costs	(167)		(578)		(66)
Net cash (used in) provided by financing activities	(5,623)		8,671		(66)
Net increase (decrease) in cash and cash equivalents	16,738		6,171		(5,807)
Cash and cash equivalents, beginning of year	17,312		11,141		16,948
Cash and cash equivalents, end of year	$	34,050	$	17,312	$	11,141

NOTE 23 - Segment Information

Our operations are conducted through two operating segments: Banking and Mortgage Operations. Corporate represents costs not allocated to the operating segments. Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses are incurred for which discrete financial information is available that is evaluated regularly by executive management in deciding how to allocate resources and in assessing performance. Operating segments have been determined based on the products and services offered and reflect the manner in which financial information is currently evaluated by management. Each segment operates under the same banking charter, but is reported on a segmented basis for this report. Each of the operating segments is complementary to each other and because of the interrelationship of the segments, the information presented is not indicative of how the segments would perform if they operated as independent entities.

The Banking segment originates loans and provides deposits and fee based services to consumer, business, and mortgage lending customers. Products offered include a full range of commercial and consumer banking and financial services. The interest income on loans held-for-investment is recognized in the Banking segment, excluding newly originated residential first mortgages within the Mortgage Operations segment.

The Mortgage Operations segment originates, sells, services, and manages market risk from changes in interest rates on one-to-four family residential mortgage loans to sell or hold on our balance sheet. Loans originated-to-sell comprise the

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majority of the lending activity. The Mortgage Operations segment recognizes interest income on loans that are held-for-sale and newly originated residential mortgages held-for-investment, the gains from one to four family residential mortgage sales, and revenue for servicing loans and other ancillary fees following a sales transaction. Revenue from servicing activities is earned on a contractual fee basis. The Mortgage Operations segment services loans for the held-for-investment portfolio, for which it earns revenue via an intercompany service fee allocation which appears as a cost to Banking in mortgage fees. Forward traded loan purchases and sales settlements as well as mortgage servicing rights and related fair value adjustments are reported in this segment.

Corporate represents miscellaneous other expenses of a corporate nature as well as revenue and expenses not directly assigned or allocated to the Banking or Mortgage Operations segments. The majority of executive management’s time is spent managing operating segments; related costs have been allocated between the operating segments and Corporate.

Revenues are comprised of net interest income before the provision (benefit) for credit losses and noninterest income. Noninterest expenses are allocated to each operating segment. Provision for credit losses is primarily allocated to the Banking segment. Allocation methodologies may be subject to periodic adjustment as management systems evolve and/or the business or product lines within the segments change.

Significant segment totals are reconciled to the financial statements as follows for the year ended December 31,:

	Banking		Mortgage Operations		Corporate		Total Segments
2023
Summary of Operations
Net interest income (expense)	$	292,573	$	5,871	$	(5,013)	$	293,431
Provision for credit losses	15,790		2,457		—		18,247
Noninterest income:
Service charges on deposit accounts	21,345		—		—		21,345
Credit and debit card fees	11,997		3		—		12,000
Trust and investment advisory fees	5,693		—		—		5,693
(Loss) income from mortgage banking services, net	(1,676)		33,060		—		31,384
Other noninterest income	8,670		—		—		8,670
Total noninterest income	46,029		33,063		—		79,092
Noninterest expense:
Salary and employee benefits	106,030		25,313		1,888		133,231
Occupancy and equipment	30,461		2,775		190		33,426
Other noninterest expenses	39,165		14,933		2,038		56,136
Total noninterest expense	175,656		43,021		4,116		222,793
Income (loss) before income taxes	$	147,156	$	(6,544)	$	(9,129)	$	131,483
Other Information
Depreciation expense	$	6,320	$	233	$	—	$	6,553
Identifiable assets	$	6,907,741	$	910,728	$	61,255	$	7,879,724

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	Banking		Mortgage Operations		Corporate		Total Segments
2022
Summary of Operations
Net interest income (expense)	$	241,840	$	5,455	$	(5,663)	$	241,632
Provision for credit losses	14,781		3,269		—		18,050
Noninterest income:
Service charges on deposit accounts	18,211		—		—		18,211
Credit and debit card fees	11,511		—		—		11,511
Trust and investment advisory fees	6,806		—		—		6,806
(Loss) income from mortgage banking services, net	(3,035)		49,320		—		46,285
Other noninterest income	6,762		(9)		—		6,753
Total noninterest income	40,255		49,311		—		89,566
Noninterest expense:
Salary and employee benefits	94,310		38,456		1,593		134,359
Occupancy	27,407		3,854		83		31,344
Other noninterest expenses	57,082		13,814		2,527		73,423
Total noninterest expense	178,799		56,124		4,203		239,126
Income (loss) before income taxes	$	88,515	$	(4,627)	$	(9,866)	$	74,022
Other Information
Depreciation expense	$	6,754	$	364	$	—	$	7,118
Identifiable assets	$	6,633,383	$	752,841	$	44,098	$	7,430,322

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	Banking		Mortgage Operations		Corporate		Total Segments
2021
Summary of Operations
Net interest income (expense)	$	152,515	$	7,270	$	(4,552)	$	155,233
Provision (benefit) for credit losses	3,235		(235)		—		3,000
Noninterest income:
Service charges on deposit accounts	12,504		—		—		12,504
Credit and debit card fees	9,596		—		—		9,596
Trust and investment advisory fees	7,795		—		—		7,795
(Loss) income from mortgage banking services, net	(2,409)		88,819		—		86,410
Other noninterest income	7,946		(7)		—		7,939
Total noninterest income	35,432		88,812		—		124,244
Noninterest expense:
Salary and employee benefits	95,064		55,557		1,305		151,926
Occupancy	24,558		3,067		3		27,628
Other noninterest expenses	30,297		12,341		2,443		45,081
Total noninterest expense	149,919		70,965		3,751		224,635
Income (loss) before income taxes	$	34,793	$	25,352	$	(8,303)	$	51,842
Other Information
Depreciation expense	$	5,728	$	390	$	—	$	6,118
Identifiable assets	$	5,058,281	$	573,552	$	34,981	$	5,666,814

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NOTE 24 - Commitments and Contingencies

Commitments:

We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include loan commitments, standby letters of credit, and documentary letters of credit and involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the financial statements. Our exposure to credit loss in the event of nonperformance by the other party of these loan commitments and standby letters of credit is represented by the contractual amount of those instruments. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet financial instruments.

Undistributed portion of committed loans and unused lines of credit:

Loan commitments are agreements to lend to a customer as long as there is no customer violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require a payment of a fee. As of December 31, 2023 and 2022, commitments included the funding of fixed-rate loans totaling $191,415 and $218,309 and variable-rate loans totaling $1,656,434 and $1,727,246, respectively. The fixed-rate loan commitments have interest rates ranging from 1.00% to 18.00% at December 31, 2023 and 2022, respectively, and maturities ranging from 1 month to 19 years at December 31, 2023 and from 1 month to 15 years at December 31, 2022.

Standby letters of credit:

Standby letters of credit are conditional commitments to guarantee the performance of a customer to a third-party. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Since many of the loan commitments and letters of credit expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. We evaluate each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of credit, is based on our credit evaluation of the counterparty. Collateral held varies but may include accounts receivable, inventory, property, plant and equipment, owner-occupied real estate, and/or income-producing commercial properties. As of December 31, 2023 and 2022, our standby letters of credit commitment totaled $14,490 and $17,426, respectively.

MPF Master Commitments:

The Bank has executed MPF Master Commitments (Commitments) with the FHLB to deliver mortgage loans and to guarantee the payment of any realized losses that exceed the FHLB’s first loss account for mortgages delivered under the Commitments. The Bank receives credit enhancement fees from the FHLB for providing this guarantee and continuing to manage the credit risk of the MPF Program mortgage loans. As of December 31, 2023 and 2022, the Bank considered the amount of any of its liability for the present value of the credit enhancement fees less any expected losses in the mortgages delivered under the Commitments to be immaterial, and had not recorded a liability and offsetting receivable. As of December 31, 2023 and 2022 the maximum potential amount of future payments that the Bank would have been required to make under the Commitments was $3,810 and $3,860 respectively. Under the Commitments, the Bank agrees to service the loans and therefore, is responsible for any necessary foreclosure proceedings. Any future recoveries on any losses would not be paid by the FHLB under the Commitments. The Bank has not experienced any material losses under these guarantees.

Contingencies:

We generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. We establish reserves for potential losses related to these representations and warranties if deemed appropriate and such reserves would be recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry.

From time to time, we are a defendant in various claims, legal actions, and complaints arising in the ordinary course of business. We periodically review all outstanding pending or threatened legal proceedings and determine if such matters will have an adverse effect on our business, financial condition, results of operations or cash flows.

Overdraft Fee Litigation:

On September 13, 2021, Samantha Besser filed a putative class action amended complaint against the Bank in the United States District Court for the District of Colorado. The amended complaint alleges that the Bank improperly charged multiple insufficient funds or overdraft fees. The Plaintiff seeks unspecified restitution, actual and statutory damages, costs,

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attorneys’ fees, pre-judgment interest, and other relief as the Court deems proper. On September 27, 2021, the Bank filed a motion to dismiss the amended complaint. The motion to dismiss has been fully pled and is before the Court for decision. At this time, the Bank is unable to reasonably estimate the outcome of this litigation.

Check Fraud Litigation

Rodeo Electrical Services, Inc. and its owner (“RESI”) filed a civil action against the Bank on June 23, 2020 in the Santa Fe County, New Mexico District Court. The complaint alleged that the Bank conspired with or otherwise aided a former RESI employee’s embezzlement of approximately $0.4 million from RESI. The complaint sought compensatory, exemplary, statutory and punitive damages, as well as payment of RESI’s legal fees and expenses. On January 18, 2024, the jury awarded RESI approximately $2.1 million which included punitive damages. Final judgment, which could potentially include a supplemental award of RESI’s legal fees and expenses, has not been rendered by the Court. We believe the judgment will be covered by insurance; therefore, such outcome will not have a material financial impact on the Bank.

We establish reserves for contingencies, including legal proceedings, when potential losses become probable and can be reasonably estimated. While the ultimate resolution of any legal proceedings, including the matters described above, cannot be determined at this time, based on information presently available, and after consultation with legal counsel, management believes that the ultimate outcome in these above legal proceedings, either individually or in the aggregate, will not have a material adverse effect on our financial statements. It is possible, however, that future developments could result in an unfavorable outcome for or resolution of any of these proceedings, which may be material to our results of operations for a given fiscal period.

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NOTE 25 - Lease Commitments

Our leases relate primarily to office space and bank branches with remaining lease terms of generally 1 to 15 years. Certain lease arrangements contain extension options which typically range from 5 to 10 years at the then fair market rental rates. As these extension options are not generally considered reasonably certain of exercise, they are not included in the lease term. For leases existing during transition from ASC 840 to ASC 842 at January 1, 2022, extension options were not considered in the remaining lease term.

	2023		2022
ROU asset on leased property, gross	$	36,520	$	35,212
Accumulated amortization	(12,293)		(6,808)
ROU asset, net (Note 9)	$	24,227	$	28,404
Lease liability (Note 13)	$	26,431	$	31,267

The following table reconciles future undiscounted lease payments due under non-cancelable operating leases to the aggregate operating lessee lease liability as of December 31, 2023:

2024	$	7,146
2025	6,145
2026	4,386
2027	2,670
2028	2,488
Thereafter	5,287
Total undiscounted operating lease liability	28,122
Imputed interest	1,691
Total operating lease liability included in the accompanying balance sheet	$	26,431
Weighted Average Remaining Life - Operating Leases	5.56
Weighted Average Rate - Operating Leases	2.10		%

The components of total lease expense was as follows for the years ended December 31,:

	2023		2022
Operating leases	$	7,683	$	7,145
Short-term leases	216		476
Sublease income	(229)		(310)
Net lease expense	$	7,670	$	7,311

Total lease expense for the year ended December 31, 2021 was $6,623.

We do not currently have any significant finance leases in which we are the lessee, material related-party leases, leases containing residual value guarantees or restrictive covenants.

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NOTE 26 - Revenue from Contracts with Customers

Under the guidance of the Revenue from Contracts with Customers (Topic 606), an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration received in exchange for those goods or services.

Revenue is recognized when obligations, under the terms of a contract with our customer, are satisfied, which generally occurs when services are performed. Revenue is measured as the amount of consideration we expect to receive in exchange for providing services.

The disaggregation of our revenue from contracts with customers included in our Banking segment is provided below for the years ended December 31,:

	2023		2022		2021
Service charges on deposit accounts	$	21,345	$	18,211	$	12,504
Credit and debit card fees	12,000		11,511		9,596
Trust and investment advisory fees	5,693		6,806		7,795
Other income	4,930		5,464		4,932
Total	$	43,968	$	41,992	$	34,827

A description of our revenue streams accounted for under ASC 606 is as follows:

Service charges on deposit accounts:

We charge depositors various deposit account service fees including those for outgoing wires, overdrafts, stop payment orders, and ATM fees. These fees are generated from a depositor’s option to purchase services offered under the contract and are only considered a contract when the depositor exercises their option to purchase these account services. Therefore, we deem the term of our contracts with depositors to be day-to-day and do not extend beyond the services already provided. Deposit account and other banking fees are recorded at the point in time we perform the requested service.

Credit and debit card fees:

We collect interchange fee income when debit and credit cards that we have issued to our customers, are used in merchant transactions. Our performance obligation is satisfied and revenue is recognized at the point we initiate the payment of funds from a customer’s account to a merchant account.

Trust and investment advisory fees:

We earn trust and investment advisory fees from contracts with our customers to manage assets for investments, and/or transact on their accounts. These fees are primarily earned over time as we provide the contracted monthly, quarterly, or annual services and are generally assessed based on a tiered scale of the market value of assets under management at each month end. Fees that are transaction based are recognized at the point in time that the transaction is executed. Other related services provided include financial planning services and the fees we earn, which are based on a fixed fee schedule, are recognized when the services are rendered.

Other income:

Other income consists of fee income received in connection with administering customer accommodation interest rate swaps, loan syndication fees and miscellaneous charges for services provided to our customers. Customer accommodation interest rate swap fees and loan syndication fees are earned and recognized at the time of loan origination or syndication. Miscellaneous charges for services provided to our customers consists of fees that are generated from a customer’s option to purchase services offered under the contract and are only considered a contract when the customer exercises their option to purchase these services. Therefore, we deem the term of our contracts with these customers to be day-to-day and do not extend beyond the services already provided.

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NOTE 27 - Subsequent Events

The Company has evaluated subsequent events for potential recognition and disclosure through the filing date of this Form 10-K.

Proposed Merger with HomeStreet

On January 16, 2024, FirstSun entered into an Agreement and Plan of Merger, that provides for the combination of FirstSun and HomeStreet. Under the merger agreement, a newly formed wholly-owned subsidiary of FirstSun, will merge with and into HomeStreet, with HomeStreet remaining as the surviving entity and becoming a wholly-owned subsidiary of FirstSun, with FirstSun as the surviving entity, in a transaction we refer to as the “first step merger.” This surviving entity, immediately following the first step merger and as part of a single integrated transaction, will merge with and into FirstSun, in a transaction we refer to as the “second step merger.” Immediately following the completion of the second step merger, HomeStreet Bank will merge with and into Sunflower Bank.

Upon the terms and subject to the conditions set forth in the merger agreement, at the effective time of the merger, each share of common stock of HomeStreet issued and outstanding immediately prior to the merger effective time, subject to certain exceptions, will be converted into the right to receive 0.4345 of a share of FirstSun common stock. Holders of such HomeStreet common stock, subject to certain exceptions, will also be entitled to receive cash in lieu of fractional shares of FirstSun common stock.

Consummation of the proposed HomeStreet merger is subject to the satisfaction of customary closing conditions including receipt of necessary HomeStreet shareholder and regulatory approvals. The merger agreement provides certain termination rights for both FirstSun and HomeStreet and further provides that a termination fee will be payable by either FirstSun or HomeStreet, as applicable, upon termination of the merger agreement under certain circumstances.

The parties to the merger expect to close the merger in the middle of 2024, subject to satisfaction of closing conditions, including receipt of customary required regulatory approvals and the requisite approval by the shareholders of HomeStreet. The combined entity is expected to have total assets of approximately $17 billion and 129 branch locations. The combined entity’s expanded footprint includes, FirstSun’s current presence in the Southwest and Midwest together with HomeStreet’s presence in Southern California, Hawaii and the Pacific Northwest.

Investment Agreements

Upfront Securities Purchase Agreement

Concurrently with entry into the merger agreement, FirstSun entered into an upfront securities purchase agreement (the “Upfront Securities Purchase Agreement”) with certain funds managed by Wellington Management Company, LLP (collectively, the “Wellington Funds”), pursuant to which we issued 2,461,538 shares of our common stock in a private placement for $80.0 million that closed on January 17, 2024.

Under the terms of the Upfront Securities Purchase Agreement, FirstSun is also obligated, concurrently with the closing of the proposed HomeStreet merger, to issue to the Wellington Funds, warrants (the “Warrants”) to purchase approximately 1.15 million shares of FirstSun common stock with such Warrants having an initial exercise price of $32.50 per share. The Warrants will carry a term of three years. In the event the proposed HomeStreet merger is not consummated, no Warrants will be issued.

Acquisition Finance Securities Purchase Agreement

Concurrently with its entry into the HomeStreet merger agreement, FirstSun entered into an acquisition finance securities purchase agreement (the “Acquisition Finance Securities Purchase Agreement,” and together with the Upfront Securities Purchase Agreement, as the “Investment Agreements”), dated January 16, 2024, with the Wellington Funds and certain other institutional investors (who we refer to as “additional institutional investors” and, collectively with the Wellington Funds, as the “institutional investors”). Pursuant to the Acquisition Finance Securities Purchase Agreement, on the terms and subject to the conditions set forth therein, substantially concurrently with the closing of the merger, the institutional investors will invest an aggregate of $95 million in exchange for the sale and issuance, at a purchase price of $32.50 per share, of approximately 2.92 million shares of FirstSun common stock.

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Registration Rights Agreements

In connection with the Upfront Securities Purchase Agreement, FirstSun and the Wellington Funds also entered into a registration rights agreement (the “Upfront Registration Rights Agreement”), dated January 16, 2024, pursuant to which FirstSun agreed to, among other things, provide customary resale registration rights with respect to the shares of our common stock obtained by the Wellington Funds pursuant to the Investment Agreements, including those issued upon exercise of the Warrants.

In addition. the Acquisition Finance Securities Purchase Agreement contemplates that, in connection with the closing of the investments under the Acquisition Finance Securities Purchase Agreement, FirstSun will enter into a resale registration rights agreement with each additional institutional investor (the “Acquisition Finance Registration Rights Agreement”), the material terms and conditions of which are consistent with the terms and conditions of the Upfront Registration Rights Agreement.

Charter Amendment

In connection with the proposed merger, the holders of a majority of the voting power of FirstSun common stock executed a written consent approving and adopting an amendment to our certificate of incorporation (the “Charter Amendment”) which will increase the number of FirstSun’s authorized shares of capital stock from 60,000,000 to 110,000,000, consisting of 100,000,000 shares of FirstSun common stock, and 10,000,000 shares of preferred stock and will become effective upon FirstSun’s filing the Charter Amendment with the Secretary of State of the State of Delaware. We plan to file the Charter Amendment prior to the closing of the proposed merger.

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Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosures

None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Based on our management’s evaluation (with the participation of our principal executive officer and principal financial officer), as of the end of the period covered by this annual report, our principal executive officer and principal financial officer have concluded that our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) are effective to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms and is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There has been no change in our internal control over financial reporting during the year ended December 31, 2023, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Management’s Report on Internal Control over Financial Reporting

The management of FirstSun is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) promulgated under the Exchange Act as a process designed by, or under the supervision of, our principal executive and principal financial officers and affected by our board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that:

•pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the assets of the Company;

•provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with accounting principles generally accepted in the United States of America, and that receipts and expenditures of the Company are being made only in accordance with authorizations of management and directors of the Company; and

•provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the Company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Management has assessed the effectiveness of the internal control over financial reporting as of December 31, 2023. In making this assessment, we used the criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Management also conducted an assessment of requirements pertaining to Section 112 of the Federal Deposit Insurance Corporation Improvement Act. This section relates to management’s evaluation of internal control over financial reporting, including controls over the preparation of financial statements in accordance with the instructions to the Consolidated Financial Statements for Bank Holding Companies (Form FR Y-9C) and in compliance with laws and regulations. Our evaluation included a review of the documentation of controls, evaluations of the design of the internal control system and tests of the effectiveness of internal controls.

Based on our assessment, management concluded that as of December 31, 2023, FirstSun’s internal control over financial reporting is effective based on those criteria.

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Item 9B. Other Information

Given the timing of the following events, the following information is included in this Annual Report on Form 10-K pursuant to Item 1.01 of Form 8-K, “Entry into a Material Definitive Agreements”, and Item 5.02 of Form 8-K, “Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers” in lieu of filing a Form 8-K.

Amendment No. 5 to Stockholders’ Agreement

FirstSun is party to a Stockholders’ Agreement with certain of its stockholders dated as of June 19, 2017, as amended. Effective as of March 6, 2024, the Stockholders’ Agreement was amended to revise the specific board class nomination rights of two stockholders with existing board nomination rights to ensure that its board would consist, as nearly as possible, of classes with one-third of the directors in each class (the “Stockholders’ Agreement Amendment”).

The foregoing description of the Stockholders’ Agreement Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the form of the Amendment No. 5 to Stockholders’ Agreement, which is incorporated herein by reference as Exhibit 4.10.

See “Item 13. Certain Relationships and Related Transactions, and Director Independence,” under the heading “Stockholders’ Agreement” for a description of the Stockholders’ Agreement, as amended.”

2024 Special Restricted Stock Grants

On March 6, 2024, the Compensation and Succession Committee (the “Committee”) of the board of directors of FirstSun, with approval by the board of directors, granted special restricted stock awards (the “Awards”) to certain officers of FirstSun for (i) retention purposes and (ii) to incentivize them in their efforts to work towards both a timely and efficient consummation of our merger with HomeStreet, Inc. and a successful post-closing integration of the two companies. The Awards will be subject to and conditioned upon closing of the merger with HomeStreet, Inc., provided that if the closing of the merger does not occur, the Awards will be cancelled and void ab initio. These actions, to the extent they impacted the compensation of our named executive officers, are described in greater detail below.

The committee granted the following awards to the following named executive officers:

•114,286 shares of restricted stock to Neal E. Arnold, Chief Executive Officer and President of FirstSun and Sunflower Bank and Chief Operating Officer of FirstSun, with a grant date fair value of approximately $4.0 million; and

•57,143 shares of restricted stock to Robert A. Cafera, Jr., Executive Vice President and Chief Financial Officer of FirstSun and Sunflower Bank, with a grant date fair value of approximately $2.0 million.

The Awards will vest one-third per year over a three-year period, provided that the officer continues to provide services to the Company on the applicable vesting date, with accelerated vesting upon death, disability, or termination by the Company without “Cause” or by the officer with “Good Reason” (each as defined in the award agreement).

If, prior to the vesting of the Award shares, there is a change of control (as that term is defined in the 2021 Equity Incentive Plan) with respect to FirstSun, all Award shares will become vested upon the earlier of (i) the vesting of the Award shares in accordance with vesting provisions described above; (ii) the one-year anniversary of such change of control; or (iii) the date of termination of the executive officer’s continuous service with the Company without “Cause” or for “Good Reason” (as defined in the award agreement), in each case, during the one-year period following such change of control, provided that, in all cases such change of control has been consummated. If the conditions set forth in (i)-(iii) above occur prior to the closing of the merger with HomeStreet, such conditions will be automatically extended through the date of the merger with HomeStreet if the merger with HomeStreet closes.

The foregoing description of the Awards does not purport to be complete and is qualified in its entirety by reference to the full text of the form of Restricted Stock Agreement, which is incorporated herein by reference as Exhibit 10.20.

Trading Plans

During the three months ended December 31, 2023, no director or “officer” of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

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Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.

Not applicable.

Part III

Item 10. Directors, Executive Officers and Corporate Governance

The FirstSun board of directors is divided into three classes approximately equal in number, serving staggered three-year terms. As a result, the terms of approximately one-third of FirstSun’s board members expire at each annual meeting. The term of FirstSun’s Class I directors will expire at the 2024 annual meeting, the term of its Class II directors will expire at the 2025 annual meeting and the term of its Class III directors will expire at the 2026 annual meeting.

All of our directors except one currently serve on the board of directors pursuant to the board nomination rights provisions of the stockholders’ agreement, as amended, between us and certain of our stockholders (the “Stockholders’ Agreement”). For the names of each party with board nomination rights under the Stockholders’ Agreement, and their related board designees, see “Item 13. Certain Relationships and Related Transactions, and Director Independence,” under the heading “Stockholders’ Agreement—Corporate Governance Provisions—Board Composition.” In addition, the Stockholders’ Agreement has been amended to: (i) permit the termination of the Stockholders’ Agreement when FirstSun provides additional liquidity for its stockholders by listing FirstSun’s shares of common stock on a national securities exchange; (ii) provide that the Stockholders’ Agreement will terminate automatically and without further action by any party thereto upon the consummation of the proposed merger with HomeStreet, Inc; and (iii) revise the specific board class nomination rights of two stockholders with existing board nomination rights to ensure that its board would consist, as nearly as possible, of classes with one-third of the directors in each class. Following the consummation of the proposed merger with HomeStreet, Inc., which triggers an automatic termination of the Stockholders’ Agreement, generally, a majority of the entire board of directors shall nominate each director; provided, that, effective upon closing of the proposed merger with HomeStreet, Inc. and the termination of the Stockholders’ Agreement, FirstSun has entered into board representative letter agreements with the five following FirstSun stockholders such that the stockholders will retain the right to nominate a director to the combined company board of directors, in each case, so long as certain stock ownership thresholds are maintained: entities affiliated with Lightyear Fund III LP; Twin Meadow VHC Trust dated May 25, 2011 (associated with Mollie Hale Carter); Aquiline SGB Holdings LLC (“Aquiline”); JLL/FCH Holdings I, LLC (“JLL”); and Karen Hale Young Family Irrevocable Trust (associated with Karen Hale Young). See “Item 13. Certain Relationships and Related Transactions, and Director Independence,” under the heading “Stockholders’ Agreement” for a description of the Stockholders’ Agreement, as amended.

Name	Age	Served as Director Since
Class I (term expires 2024)
Neal E. Arnold	64	2017
Mollie H. Carter	61	2017
Beverly O. Elving	70	2021
Isabella Cunningham	81	2022
Class II (term expires 2025)
David W. Levy	67	2017
Diane L. Merdian	64	2017
Kevin T. Hammond	43	2022
Class III (term expires 2023)
Christopher C. Casciato	65	2017
Paul A. Larkins	63	2019

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Biographical Information for Directors

Neal E. Arnold is the current President and Chief Executive Officer of FirstSun and Sunflower Bank and also serves as the Chief Operating Officer of FirstSun. He was appointed as President and Chief Executive Officer of FirstSun on April 1, 2022, and has held the positions of President and Chief Executive Officer of Sunflower Bank and Chief Operating Officer of FirstSun since 2018. Mr. Arnold served as Executive Vice President of Fifth Third Bancorp and Fifth Third Bank from 1998 to 2005, and as Chief Financial Officer of Fifth Third Bancorp and Fifth Third Bank from 1997 to 2005. Before that, he served as Treasurer of Fifth Third Bancorp and Fifth Third Bank, and as Senior Vice President of Fifth Third Bank. Prior to joining Fifth Third, he served as Chief Financial Officer and Chief Operating Officer of Midwestern Community Bank from 1980 to 1989. Mr. Arnold’s qualifications to serve as a director include his substantial c-suite leadership experience and as a chief financial officer of a large public company. Mr. Arnold has over 30 years of experience completing numerous regulatory compliance consulting engagements for bank boards.

Mollie H. Carter is the current Executive Chair of FirstSun and the Bank, a position she has held since April 1, 2022. Prior to being named Executive Chair, she served as Chair of both Company and Bank boards since 1996. Ms. Carter served as President and Chief Executive Officer of FirstSun from 2005 until April 1, 2022, and served as President and Chief Executive Officer of Sunflower Bank from 2005 until 2018. She served as a director of Evergy, Inc. and its predecessor, Westar Energy, a publicly-traded company, from 2003 to 2022, including as Chair of the Compensation Committee. She previously served as a director of Archer-Daniels-Midland Company, a publicly-traded company, from 1996 to 2017. Ms. Carter is also a Director of Lockton Companies and serves on its Nominating and Governance Committee and the Audit Committee. Ms. Carter’s nonprofit service includes the NPR Foundation Board of Trustees since 2020, and the Rocky Mountain Public Media Board of Directors since 2023. Ms. Carter’s qualifications to serve as our Executive Chair include her substantial leadership experience as a chief executive officer, her financial expertise and her significant experience serving as a director of a large public company. Ms. Carter also has extensive experience with corporate governance, compensation matters, and with complicated financial regulatory and banking compliance environments.

Christopher C. Casciato is a Managing Director of Lightyear Capital LLC, a position he has held since 2008. Before that, he spent over 20 years at Goldman, Sachs & Co., where he was elected partner in 2000. His career at Goldman, Sachs & Co. included a number of senior management positions in the firm’s investment banking division, including partner in the Financial Institutions Group, as well as partner and Chief Operating Officer of Goldman Sachs’ worldwide investment banking business. Mr. Casciato's qualifications to serve as a director include his substantial investment banker leadership and experienced financial acumen with a globally recognized investment firm. He also has experience with corporate governance and financial services regulatory matters, as an executive of Lightyear Capital LLC, a private equity firm focused on investing in financial services companies.

Isabella Cunningham joined the Company’s board as a result of the merger with Pioneer effective April 1, 2022. Dr. Cunningham served as a director of Pioneer and Pioneer Bank from 2013 until April 2022. She served as a Director of Viad Corp. and as a member of its Corporate Governance and Nominating Committee and its Human Resources Committee from 2006 until 2019. Dr. Cunningham holds the Stan Richards Chair in Advertising and Public Relations at the University of Texas at Austin. She retired form her position as the Director of the Stan Richards School in 2014 and is now also the Academic Director of the Tower Fellows Program at The University. Dr. Cunningham still serves on a number of academic committees and is a member of the School Budget Council. She also served as a member of the college Administrative Council, the University Curricular Task Force, the UT Presidential Enrollment Task Force and is a member of the Executive Council of the Latin American Studies School. Dr. Cunningham has served as director on public and private companies’ boards, and on a number of non-profit boards and non-profit institutions including St. Edward’s Board of Trustees, the National Museum of Natural History (Smithsonian) and the Susan G. Komen Breast Cancer Foundation. Dr. Cunningham is a nationally recognized expert in advertising and intellectual property. Dr. Cunningham’s qualifications to serve as a director include her leadership and prior extensive board service, with over 30 years of experience and a variety of board engagements.

Beverly O. Elving is the former Director of Corporate Accounting, Vice President & Controller, and Sr. Vice President of Finance at Applebee’s International from 1998 to 2012. She served as the Chief Financial Officer of Integrated Medical Resources from 1996 to 1998, and additionally, Ms. Elving served as Vice President Finance & Accounting for the FDIC/Resolution Trust Corporation from 1990 to 1996. Between 1981 and 1996 Ms. Elving gained senior accounting, auditor, and Certified Public Accountant experience at Jackson County, Missouri, and Arthur Anderson & Co. Ms. Elving’s experience includes her service as a director of several non-profit boards including St. Luke’s Health System-Bishop Spencer Place since 2019 and as board president since 2022, as well as Heart of America Shakespeare Festival as a director since 2019 and as board co-president from 2021 to 2023. Ms. Elving’s qualifications to serve as a director include her accounting, finance, and C-suite leadership experience including oversight of public companies and government entities.

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Kevin T. Hammond joined FirstSun’s board as a result of the merger with Pioneer effective April 1, 2022. Mr. Hammond served as a director of Pioneer from 2016 until April 2022. He is a Managing Director at JLL Partners, which he joined in 2004, where he focuses on new private equity investments and managing the firm’s portfolio of companies. He serves on JLL Partners’ management and investment committees. Prior to JLL, he worked at Greenhill & Co., where he worked in merger advisory and private equity. Mr. Hammond previously served as a director of FC Holdings, Inc. and First Community Bank, N.A. Mr. Hammond’s qualifications to serve as a director include his experience in managing financial transactions and extensive past and current director service on corporate boards.

Paul A. Larkins is a Senior Advisor with Aquiline Capital Partners, a position he has held since 2018. He also serves as a board member of Amur Equipment Finance, since 2019. He previously served as board chair of LERETA, LLC, and as an advisor to Tarsadia Investments, both from 2019 to 2021. Mr. Larkins served as President and director of SquareTwo Financial Corporation, positions he held from 2009 to 2016. SquareTwo Financial Corporation filed for bankruptcy under Chapter 11 in March 2017. From 1998 to 2009, he served as the Chief Executive Officer and President of Key National Finance in Superior, Colorado. His experience includes service as a Senior Executive Vice President of Key Bank USA and KeyCorp Leasing Ltd., and regional and national roles with USL Capital and IBM. Mr. Larkins' qualifications to serve as a director include his extensive external board and leadership experience with bank, specialty finance (leasing, marine, recreational vehicles, education, home equity, and auto dealer finance), as well as private equity institutions.

David W. Levy is a Managing Director at Pickwick Capital Partners, a position he has held since 2012. He serves as a director of Old Dominion National Bank since 2013, and as a director of the holding company ODNB Financial Corp since 2022. He has served as Vice Chairman of Investment Banking and Co-Head of the Financial Institutions Group at Cowen & Company from 2009 to 2010 and served as Senior Managing Director at Bear Stearns from 2005 to 2008. Mr. Levy spent over 23 years at Citigroup Global Markets as a Managing Director and Head of the Bank and Financial Services Group, and Salomon Brothers Inc. as a Managing Director and Co-Head of the Financial Institutions Department. Mr. Levy's qualifications to serve as a director include his leadership experience, managing director positions with globally recognized investment banking firms, and prior service as a member of the Audit and Compensation Committees of another financial institution.

Diane L. Merdian is the former Chief Financial Officer of Redwood Trust, Inc, a position she held from 2010 to 2012, having previously served on Redwood’s board of directors from 2008 to 2009. From 1984 to 2008, Ms. Merdian was an equity analyst covering financial companies, working at Investment Banking firms and Institutional Investment firms. She primarily analyzed banks, focusing on valuation, strategy, and economics vs. accounting. As a Senior Vice President and Managing Director at Keefe, Bruyette & Woods from 2003 to 2008, Ms. Merdian led Bank Strategy and was head of Large-cap banks. She led the bank research effort at Morgan Stanley from 2000 through 2001 and led the bank research team at Montgomery Securities from 1995 to 2000. Ms. Merdian has also held equity analyst positions at Salomon Brothers, Kemper, Wellington Management, and Salomon Smith Barney. She began her financial career as an Economic Research Associate at the Federal Reserve Bank of Kansas City, focused on monetary policy. Ms. Merdian’s qualifications to serve as a director include her c-suite leadership and over 20 years of experience as an equity analyst in the financial industry. Her strengths include her insight into strategy, valuation, management, and economics vs. accounting, with additional experience in Audit and Compensation matters.

Biographical Information for Executive Officers

Our executive officers are:

Name	Age	Position
Mollie H. Carter	61	Executive Chair of the FirstSun and Sunflower Bank Boards
Neal E. Arnold	64	Chief Executive Officer and President of FirstSun and Sunflower Bank and Chief Operating Officer of FirstSun
Robert A. Cafera, Jr.	54	Executive Vice President and Chief Financial Officer of FirstSun and Sunflower Bank
Laura J. Frazier	53	Executive Vice President and Chief Administrative Officer of FirstSun and Sunflower Bank
Jennifer L. Norris	50	Chief Credit Officer of Sunflower Bank

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Because each of Ms. Carter and Mr. Arnold also serves on our board of directors, we have provided biographical information for them above. Biographical information for each of Mr. Cafera, Ms. Frazier and Ms. Norris is provided below:

Robert A. Cafera, Jr. currently serves as Executive Vice President and Chief Financial Officer of FirstSun and Sunflower Bank, positions he has held since 2012. Prior to joining FirstSun and Sunflower Bank, he served in different roles at Fifth Third Bank, including as Senior Vice President and Chief Financial Officer of the Commercial Bank, and before that as its Assistant Controller. Before joining Fifth Third Bank, he was a Senior Manager with Arthur Andersen for about ten years.

Laura J. Frazier currently serves as Executive Vice President, Chief Administrative Officer of FirstSun and Sunflower Bank, positions she has held since 2013. Before that, from 2010 to 2013, Ms. Frazier served as the Deputy Director of Human Resources for the Department of Developmental Disabilities for the State of Ohio. Before that, she spent eight years as the Director of Labor Relations for the same governmental agency.

Jennifer L. Norris currently serves as the Executive Vice President and Chief Credit Officer of Sunflower Bank, a position she has held since 2020. Before that, from 1997 to 2019, Ms. Norris held various roles at Wells Fargo Bank, most recently serving as Loan Team Manager for the Credit Resolution Group, Senior Vice President, a position she held for ten years. Before joining Wells Fargo, Ms. Norris was Vice President, Credit Products Manager at Specialized Industries Risk Management from 2001 to 2004.

Family Relationships

There are no family relationships between any of our directors and executive officers.

Code of Ethics

We expect all of our employees to conduct themselves honestly and ethically. Our board of directors has adopted a Code of Ethics that applies to all employees of FirstSun and Sunflower Bank, including officers and directors. The Code of Ethics is intended to provide guidance to assure compliance with law and promote ethical behavior. The Code of Ethics is available on our website, http://ir.firstsuncb.com, in the “Corporate Governance” section. We intend to disclose future amendments to, or waivers of, our Code of Ethics, as and to the extent required by SEC regulations, on our website http://ir.firstsuncb.com.

Audit Committee

Our board of directors has designated a standing Audit Committee which is currently composed of Ms. Elving (Chair), Mr. Levy and Ms. Merdian. The board has determined that Ms. Elving is an “audit committee financial expert” for purposes of the rules and regulations of the SEC. The board has determined that each member of the committee is “independent” under SEC Rule 10A-3 and under The NASDAQ Capital Market listing standards.

Item 11. Executive Compensation

We are an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act of 2012, or the JOBS Act. As such, we are eligible to take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies. These include, but are not limited to reduced disclosure obligations regarding executive compensation, including the requirement to include a specific form of Compensation Discussion and Analysis. We have elected to comply with the scaled disclosure requirements applicable to emerging growth companies.

Compensation of Executive Officers

In the following section, we refer to the individuals who served as our principal executive officer and our two other most highly compensated executive officers, as the “named executive officers.” Our named executive officers as of December 31, 2023 were:

•Mollie H. Carter, Executive Chair;

•Neal E. Arnold, Chief Executive Officer and President of FirstSun and Sunflower Bank and Chief Operating Officer of FirstSun; and

•Robert A. Cafera, Jr., Executive Vice President and Chief Financial Officer of FirstSun and Sunflower Bank.

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Summary Compensation Table

The following table sets forth information concerning all compensation awarded to, earned by or paid to our named executive officers for all services rendered in all capacities to us and our subsidiaries for the fiscal years ended December 31, 2023, 2022 and 2021.

Name and Principal Position	Year	Salary		Bonus (1)		Stock Awards (2)		Non-Equity Incentive Plan Compensation		Nonqualified Deferred Compensation Earnings (3)		All other Compensation (4)		Total
Mollie H. Carter	2023	$	500,000	$	—	$	—	$	—	$	—	$	24,361	$	524,361
Executive Chair	2022	642,308		—		—		—		—		3,021,652		3,663,960
	2021	1,000,000		—		—		—		—		19,864		1,019,864
Neal E. Arnold	2023	800,000		761,600		—		1,128,961		—		20,400		2,710,961
Chief Executive Officer and President of FirstSun and Sunflower Bank and Chief Operating Officer of FirstSun	2022	856,923		1,000,000		—		—		—		18,900		1,875,823
	2021	1,000,000		1,000,000		949,973		—		—		18,000		2,967,973
Robert A. Cafera, Jr.	2023	425,000		392,224		—		451,584		—		20,400		1,289,208
Executive Vice President and Chief Financial Officer	2022	412,577		400,000		—		—		—		18,900		831,477
	2021	399,999		400,000		199,968		—		—		18,000		1,017,967
(1) See discussion under “Narrative to Summary Compensation Table—Annual Bonus Payment” below.
(2) See discussion under “Narrative to Summary Compensation Table—2021 Equity Awards” below. The amounts in the Stock Awards column are the aggregate grant date fair values computed in accordance with FASB ASC Topic 718. For a discussion of the valuation assumptions, see Note 16 - Stockholders' Equity to our 2023 consolidated financial statements included in this annual report.
(3) There were not above-market or preferential earnings on our nonqualified deferred compensation plan.
(4) For 2023, the amounts set forth in this column include the following:

	Ms. Carter		Mr. Arnold		Mr. Cafera
401(k) match	$	19,800	$	19,800	$	19,800
Use of company car	2,961		—		—
Customer referral	1,000		—		—
Cell phone	600		600		600
Total	$	24,361	$	20,400	$	20,400

Narrative to Summary Compensation Table

Employment Agreements with Named Executive Officers

In 2023, we had an agreement and general release in place with Ms. Carter and employment agreements with each of Mr. Arnold and Mr. Cafera. We have included below descriptions of these agreements for each of these officers.

Agreement and General Release with Ms. Carter

In connection with the management realignment as a result of the merger with Pioneer, and Ms. Carter’s transition to her current role as Executive Chairman, FirstSun entered into an Agreement and General Release with Ms. Carter dated March 24, 2022 pursuant to which she serves as Executive Chairman of the board of FirstSun and Sunflower Bank. Under the Agreement and General Release Ms. Carter is entitled to a base salary of $500,000 and she is eligible to participate in our various employee benefit and incentive programs. Additionally, under the Agreement and General Release, Ms. Carter cancelled her prior employment agreement with FirstSun and the Bank, effective April 1, 2022, in consideration of a lump sum cash payment to her of $3.0 million, representing what she would otherwise have received upon termination of her prior employment agreement in certain termination events, to be paid no later than April 21, 2022. The Agreement and General Release extends certain obligations in Ms. Carter’s prior employment agreement related to key-man insurance, confidentiality, observation of security measures, covenants to protect our business and the return of materials. The foregoing description of the Agreement and General Release does not purport to be complete and is qualified in its entirety by reference to the Agreement and General Release, which is incorporated herein by reference as Exhibit 10.16.

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Employment Agreement with Neal E. Arnold in Effect for 2023

FirstSun entered into an employment agreement with Mr. Arnold, originally effective January 16, 2018, as amended effective February 21, 2019, which was amended and restated effective March 24, 2022, and further amended March 14, 2023, pursuant to which Mr. Arnold serves as President and Chief Executive Officer of FirstSun and the Bank, and Chief Operating Officer of FirstSun. The employment agreement originally had an initial term of two years and now automatically renews each year on January 16 for a successive one year period, unless either party provides written notice to the other of non-renewal at least 90-days before the renewal date.

Under the employment agreement, Mr. Arnold is entitled to an annual base salary of  $800,000. His base salary for 2023 was $800,000. His base salary will be reviewed annually and may be increased, but not decreased, at the discretion of the board, without Mr. Arnold’s written consent. Mr. Arnold is also eligible to earn an annual bonus with a target incentive opportunity of 100% of his base salary, as determined by the FirstSun board of directors, with 20% of any earned bonus to be credited to his deferral account under our Deferred Compensation Plan. He is also eligible to participate in the equity and/or other long-term compensation plans established by the FirstSun board of directors and as determined by the FirstSun compensation committee. We also provide reimbursements to Mr. Arnold for reasonable expenses incurred in connection with his employment, and he is eligible to receive benefits under any employee benefit plans made available by us generally to executive officers.

Mr. Arnold’s employment agreement requires that he keep information about FirstSun and the Bank confidential. He is also subject to provisions related to non-competition and non-solicitation that generally preclude him, for a period of 24 months following his voluntary or involuntary termination, from, among other things, (a) competing with FirstSun or the Bank or otherwise being employed directly or indirectly in any capacity, including as a consultant, for any entity that offers any products or services that are substantially similar to those of FirstSun or the Bank, generally within any city, county or state in which FirstSun or the Bank has an office; (b) soliciting any business relation to purchase or sell any competing products or services; (c) soliciting for employment any person employed by FirstSun or the Bank within the 12 months preceding any employment, engagement or solicitation by him; or (d) urging any person or entity to reduce its business with FirstSun or the Bank.

Under the first amendment to Mr. Arnold’s amended and restated employment agreement, any unvested portion of Mr. Arnold’s outstanding options or other incentive compensation or equity-based awards (including but not limited to phantom equity, or cash or stock payouts under the LTIPs) will immediately fully vest as of the date of certain qualifying terminations of Mr. Arnold’s employment. Additionally, awards issued pursuant to the LTIPs (or any successor plan) shall vest at such dollar value (for cash-based awards) or at such number of performance share units (for equity-based awards) as determined by FirstSun’s compensation committee (or its delegate), in its sole and good faith discretion, based on the level of achievement of any Bank Performance Measures (as defined in the LTIPs) as of the date of such qualifying termination and subject to adjustments (e.g., accounting for transaction expenses) to such Bank Performance Measures as the compensation committee (or its delegate) determines are necessary to carry out their original intent and in a manner that does not materially adversely affect the executive; provided that with respect to any LTIP award for which achievement of the applicable Bank Performance Measures for the full performance period cannot be objectively measured as of immediately prior to any such qualifying termination, such LTIP award will be earned as of such termination at the greater of 100% of target level and the level achieved based on actual performance determined through the last practicable date prior to such termination, as determined by the compensation committee. The first amendment to Mr. Arnold’s amended and restated employment agreement also served as an amendment to the outstanding LTIP award agreements for Mr. Arnold to clarify that all outstanding LTIP awards are amended to provide for full (100%) vesting upon a termination without cause or a termination for good reason, as those terms are defined in the employment agreement.

For a description of the awards made to Mr. Arnold pursuant to the LTIPs (including a description of the Bank Performance Measures and performance periods), see Item 11 below, “ Executive Compensation” under the heading “ Long Term Incentive Plans.”

In addition, under his amended and restated employment agreement, we may terminate Mr. Arnold’s employment with or without cause, and Mr. Arnold may terminate his employment with or without good reason. Mr. Arnold is eligible for certain severance benefits upon termination, as described below under Item 11, “Executive Compensation” under the heading “Potential Payments Upon Termination or Change in Control—Employment Agreements,” which information is incorporated herein by reference. The foregoing description of the amended and restated employment agreement, as amended does not purport to be complete and is qualified in its entirety by reference to the amended and restated employment agreement, as amended which is incorporated herein by reference as Exhibit 10.2 and Exhibit 10.3.

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Employment Agreement with Robert A. Cafera, Jr. in Effect for 2023

FirstSun and Sunflower Bank entered into an employment agreement with Mr. Cafera, originally effective June 19, 2017, as amended on February 21, 2019, March 24, 2022, and further amended March 14, 2023, pursuant to which he serves as Chief Financial Officer of FirstSun and Sunflower Bank. The employment agreement originally had an initial term of two years and now automatically renews each year on June 19 for a successive one year period, unless either party provides written notice to the other of non-renewal at least 90-days before the renewal date.

Under the employment agreement, Mr. Cafera is entitled to an annual base salary of $300,000. His base salary for 2023 was $425,000. His base salary will be reviewed annually and may be increased, but not decreased, at the discretion of the board, without Mr. Cafera’s written consent. For 2023, Mr. Cafera is eligible to earn an annual target bonus of 100% of his base salary, as determined by the FirstSun board of directors, with 20% of any earned bonus to be credited to his deferral account under our Deferred Compensation Plan. He is also eligible to participate in the equity and/or other long-term compensation plans established by the FirstSun board of directors and as determined by the FirstSun compensation committee. We also provide reimbursements to Mr. Cafera for reasonable expenses incurred in connection with his employment, and he is eligible to receive benefits under any employee benefit plans made available by us generally to executive officers.

Mr. Cafera’s employment agreement requires that he keep information about FirstSun and the Bank confidential. He is also subject to provisions related to non-competition and non-solicitation that generally preclude him, for a period of 24 months following his voluntary or involuntary termination, from, among other things, (a) competing with FirstSun or the Bank or otherwise being employed directly or indirectly in any capacity, including as a consultant, for any entity that offers any products or services that are substantially similar to those of FirstSun or the Bank, generally within any city, county or state in which FirstSun or the Bank has an office; (b) soliciting any business relation to purchase or sell any competing products or services; (c) soliciting for employment any person employed by FirstSun or the Bank within the 12 months preceding any employment, engagement or solicitation by him; or (d) urging any person or entity to reduce its business with FirstSun or the Bank.

Under the third amendment to Mr. Cafera’s amended and restated employment agreement, any unvested portion of Mr. Cafera’s outstanding options or other incentive compensation or equity-based awards (including but not limited to phantom equity, or cash or stock payouts under the LTIPs) will immediately fully vest as of the date of certain qualifying terminations of Mr. Cafera’s employment. Additionally, awards issued pursuant to the LTIPs (or any successor plan) shall vest at such dollar value (for cash-based awards) or at such number of performance share units (for equity-based awards) as determined by FirstSun’s compensation committee (or its delegate), in its sole and good faith discretion, based on the level of achievement of any Bank Performance Measures (as defined in the LTIPs) as of the date of such qualifying termination and subject to adjustments (e.g., accounting for transaction expenses) to such Bank Performance Measures as the compensation committee (or its delegate) determines are necessary to carry out their original intent and in a manner that does not materially adversely affect the executive; provided that with respect to any LTIP award for which achievement of the applicable Bank Performance Measures for the full performance period cannot be objectively measured as of immediately prior to any such qualifying termination, such LTIP award will be earned as of such termination at the greater of 100% of target level and the level achieved based on actual performance determined through the last practicable date prior to such termination, as determined by the compensation committee. The third amendment to Mr. Cafera’s amended and restated employment agreement also served as an amendment to the outstanding LTIP award agreements for Mr. Cafera to clarify that all outstanding LTIP awards are amended to provide for full (100%) vesting upon a termination without cause or a termination for good reason, as those terms are defined in the employment agreement.

For a description of the awards made to Mr. Cafera pursuant to the LTIPs (including a description of the Bank Performance Measures and performance periods), see Item 11 below, “ Executive Compensation” under the heading “ Long Term Incentive Plans.”

Under the employment agreement, we may terminate Mr. Cafera’s employment with or without cause, and Mr. Cafera may terminate his employment with or without good reason. Mr. Cafera is eligible for certain severance benefits upon certain termination events, as described below under “Potential Payments Upon Termination or Change in Control.” The foregoing description of the amended and restated employment agreement, as amended does not purport to be complete and is qualified in its entirety by reference to the amended and restated employment agreement, as amended, which is incorporated herein by reference as Exhibit 10.5 and Exhibit 10.17.

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Annual Bonus Payments

Annual bonus compensation is an integral component of our total compensation program that links executive decision-making and performance with our annual strategic objectives. Mr. Arnold and Mr. Cafera participated in our annual bonus program in 2023.

In 2023, the board of directors, in consultation with our Chief Executive Officer, determined that the potential management incentive pool would be funded based on our achievement of the following corporate performance metrics:

•Noninterest Income – Measured as core noninterest income, which excluded OREO and securities gains and losses;

•Net Income – Measurement considers any impact to loan loss provision in event loan growth is short of our annual strategic objectives;

•Total Deposits – Measured upon average total deposits to budget;

•Return on Assets– Measured as the percentage of net income to average outstanding assets; and

•Return on Tangible Equity – Measured as the percentage of net income to average outstanding tangible equity.

Once the funding for the potential management incentive pool was established, each executive’s individual performance was measured and their incentive payment was determined based on the executive’s achievement of the following individual performance metrics, as determined by our compensation committee, as it relates to the chief executive officer, and by our chief executive officer, as it relates to our other executive officers:

•upholding our company culture (15%);

•success in talent management (35%); and

•achievement of individual goals (50%).

In addition, the board determined that any executive that received a bonus payment equal to 25% of their targeted bonus amount or above would automatically have 20% of their bonus payment deferred into our Deferred Compensation Plan, which amount remains subject to claw back for two years (inclusive of the year in which the bonus was derived) and is subject to forfeiture upon termination of employment.

In 2023, based on the board’s assessment of the Company’s performance and their individual performance, each of Mr. Arnold and Mr. Cafera received an annual bonus equal to approximately 95% of their respective base salary.

Long-Term Incentive Plans

We use long-term cash incentive plans (“LTIP Plans”) to attract and retain highly-qualified key management employees and align the interests of those employees with the financial success of FirstSun. For 2023, 2022 and 2021, Mr. Arnold and Mr. Cafera participated in our long-term incentive plans as described below.

2023 Long-Term Incentive Plan

Our 2023 Long-Term Incentive Plan, which we refer to as the “2023 LTIP,” was adopted by the FirstSun board of directors effective April 1, 2023, and is intended to serve as an ongoing plan for future years. The 2023 LTIP permits the compensation committee, with input from our Chief Executive Officer, to make awards in the form of cash and/or equity to be issued under our Equity Incentive Plan, to become payable upon achievement over a three-year performance period (the “Performance Period”) of such company and individual performance measures as the compensation committee shall designate. For 2023, the compensation committee granted Mr. Cafera two 2023 LTIP awards, consisting of a cash award and performance share units entitling the executive to receive a number of shares of FirstSun common stock (PSUs), with the amount of cash or number of shares that becomes payable at the end of the applicable Performance Period (“Realized Value”) to be based on the level of achievement of specified company performance measures (each, a “Bank Performance Measure” and collectively, the “Bank Performance Measures”). For 2023, the compensation committee granted Mr. Arnold a single 2023 LTIP award consisting solely of PSUs with the number of shares that becomes payable at the end of the applicable Performance Period (“Realized Value”) to be based on the level of achievement of specified Bank Performance Measures. For the 2023 PSU awards, the Realized Value is based on the following formula: for threshold performance, Realized Value will be 50% of the “Target Units” (listed in the table below as “Threshold Units”); for target performance, the Realized Value will be 100% of Target Units; and for stretch performance, the Realized Value will be 150% of Target Units (listed in the table below as “Stretch Units”). For 2023 cash awards, the Realized Value is based on the following formula: for threshold performance, Realized Value will be 50% of the “Target Value” (listed in the table

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below as “Threshold Value”); for target performance, the Realized Value will be 100% of the Target Value; and for stretch performance, the Realized Value will be 150% of the Target Value (listed as “Stretch Value” in the table below).

For 2023, the Threshold Units, Target Units and Stretch Units of Mr. Arnold and Mr. Cafera’s Unit-based 2023 LTIP awards were as follows:

Name	Threshold Units	Target Units	Stretch Units
Neal E. Arnold	25,000	50,000	75,000
Robert A. Cafera, Jr.	4,286	8,571	12,857

For 2023, the Threshold Value, Target Value, and Stretch Value of Mr. Cafera’s 2023 cash award were as follows:

Name	Threshold Value		Target Value		Stretch Value
Robert A. Cafera, Jr.	$	80,000	$	160,000	$	240,000

Because the 2023 LTIP awards have a three year Performance Period, no amounts were earned in 2023, and, therefore, no amounts are reflected under the column “Non-Equity Incentive Plan Compensation” in the Summary Compensation Table for 2023. The Realized Value of each executive’s 2023 LTIP awards may be more than the Threshold Units or Threshold Value (as applicable), more or less than the Target Units or Target Value (as applicable), or less than the Stretch Units or Stretch Value (as applicable) and will depend on the level at which we achieve the Bank Performance Measures, each as measured at the end of the Performance Period.

The 2023 PSU awards will be paid in shares of FirstSun common stock within 45 days following the end of the three-year Performance Period, and the 2023 cash awards will be paid in a lump sum cash payment within 45 days following the end of the three-year Performance Period, in each case provided that the executive remains an employee in good standing of FirstSun or Sunflower Bank through the payment date, subject to certain exceptions.

The Bank Performance Measures designated by the board in 2023 are included in the table below. The board established threshold, target and stretch performance goals for each of the metrics, with threshold representing the minimum level of performance for which the executive officer will earn the applicable 2023 LTIP award. If performance is below the threshold level for one of the Bank Performance Measures, the executive officer will not earn an award for that metric; however, the executive officer will earn an award for the other metric if the threshold performance level is achieved. If performance exceeds the stretch level for any Bank Performance Measure, the executive officer will not earn a further award above the stretch incentive for such metric. Actual performance between threshold, target and stretch performance levels is interpolated between the two levels of achievement.

Bank Performance Metric	Weighting	Explanation
Annual Growth in Revenues Per Share	50%	Revenues means net interest income plus total noninterest income as reported by FirstSun, on a fully diluted share equivalent calculation.
Annual Growth in Tangible Book Value Per Share	50%	Tangible Book Value means total stockholders’ equity (excluding accumulated other comprehensive income) less goodwill and intangible assets. Intangible assets does not include mortgage servicing rights. Any impact to total stockholders’ equity from cash dividends to stockholders is also excluded.

The board has the ability to reduce the Bank Performance Measures by up to 50% if our credit risk profile deteriorates, as measured against a group of peer institutions. In addition, if during the Performance Period, we engage in a merger or other corporate restructuring that impacts our performance, the board may make such equitable adjustments following the closing of the transaction as necessary to preserve the original intent of the award and avoid material dilution or enlargement.

2022 Long-Term Incentive Plan

Our 2022 Long-Term Incentive Plan, which we refer to as the “2022 LTIP,” was adopted by the FirstSun board of directors effective April 1, 2022, and is intended to serve as an ongoing plan for future years. The 2022 LTIP permits the compensation committee, with input from our Chief Executive Officer, to make awards in the form of cash and/or equity to be issued under our Equity Incentive Plan, to become payable upon achievement over a three-year performance period (the “Performance Period”) of such company and individual performance measures as the compensation committee shall

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designate. For 2022, the compensation committee granted Mr. Cafera two 2022 LTIP awards, consisting of a cash award and performance share units entitling the executive to receive a number of shares of FirstSun common stock (PSUs), with the amount of cash or number of shares that becomes payable at the end of the applicable Performance Period (“Realized Value”) to be based on the level of achievement of specified company performance measures (each, a “Bank Performance Measure” and collectively, the “Bank Performance Measures”). For 2022, the compensation committee granted Mr. Arnold a single 2022 LTIP award consisting solely of PSUs with the number of shares that becomes payable at the end of the applicable Performance Period (“Realized Value”) to be based on the level of achievement of specified Bank Performance Measures. For the 2022 PSU awards, the Realized Value is based on the following formula: for threshold performance, Realized Value will be 50% of the “Target Units” (listed in the table below as “Threshold Units”); for target performance, the Realized Value will be 100% of Target Units; and for stretch performance, the Realized Value will be 150% of Target Units (listed in the table below as “Stretch Units”). For 2022 cash awards, the Realized Value is based on the following formula: for threshold performance, Realized Value will be 50% of the “Target Value” (listed in the table below as “Threshold Value”); for target performance, the Realized Value will be 100% of the Target Value; and for stretch performance, the Realized Value will be 150% of the Target Value (listed as “Stretch Value” in the table below).

For 2023, the Threshold Units, Target Units and Stretch Units of Mr. Arnold and Mr. Cafera’s Unit-based 2022 LTIP awards were as follows:

Name	Threshold Units	Target Units	Stretch Units
Neal E. Arnold	20,896	41,791	62,687
Robert A. Cafera, Jr.	3,582	7,164	10,746

For 2022, the Threshold Value, Target Value, and Stretch Value of Mr. Cafera’s 2022 cash award were as follows:

Name	Threshold Value		Target Value		Stretch Value
Robert A. Cafera, Jr.	$	80,000	$	160,000	$	240,000

Because the 2022 LTIP awards have a three year Performance Period, no amounts were earned in 2022 or 2023, and, therefore, no amounts are reflected under the column “Non-Equity Incentive Plan Compensation” in the Summary Compensation Table for 2022 or 2023. The Realized Value of each executive’s 2022 LTIP awards may be more than the Threshold Units or Threshold Value (as applicable), more or less than the Target Units or Target Value (as applicable), or less than the Stretch Units or Stretch Value (as applicable) and will depend on the level at which we achieve the Bank Performance Measures, each as measured at the end of the Performance Period.

The 2022 PSU awards will be paid in shares of FirstSun common stock within 45 days following the end of the three-year Performance Period, and the 2022 cash awards will be paid in a lump sum cash payment within 45 days following the end of the three-year Performance Period, in each case provided that the executive remains an employee in good standing of FirstSun or Sunflower Bank through the payment date, subject to certain exceptions.

The Bank Performance Measures designated by the board in 2022 are included in the table below. The board established threshold, target and stretch performance goals for each of the metrics, with threshold representing the minimum level of performance for which the executive officer will earn the applicable 2022 LTIP award. If performance is below the threshold level for one of the Bank Performance Measures, the executive officer will not earn an award for that metric; however, the executive officer will earn an award for the other metric if the threshold performance level is achieved. If performance exceeds the stretch level for any Bank Performance Measure, the executive officer will not earn a further award above the stretch incentive for such metric. Actual performance between threshold, target and stretch performance levels is interpolated between the two levels of achievement. For 2022, the performance required to achieve threshold, target or stretch settlements is based on performance of FirstSun, adjusted on a pro forma basis to include the acquisition of Pioneer as if it were part of FirstSun starting January 1, 2021 (this acquisition was effective April 1, 2022).

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Bank Performance Metric	Weighting	Explanation
Annual Growth in Revenues Per Share	50%	Revenues means net interest income plus total noninterest income as reported by FirstSun, on a fully diluted share equivalent calculation.
Annual Growth in Tangible Book Value Per Share	50%	Tangible Book Value means total stockholders’ equity (excluding accumulated other comprehensive income) less goodwill and intangible assets. Intangible assets does not include mortgage servicing rights. Any impact to total stockholders’ equity from cash dividends to stockholders is also excluded.

The board has the ability to reduce the Bank Performance Measures by up to 50% if our credit risk profile deteriorates, as measured against a group of peer institutions. In addition, if during the Performance Period, we engage in a merger or other corporate restructuring that impacts our performance, the board may make such equitable adjustments following the closing of the transaction as necessary to preserve the original intent of the award and avoid material dilution or enlargement.

2021 Long-Term Incentive Plan

Our 2021 Long-Term Incentive Plan, which we refer to as the “2021 LTIP,” was adopted by the FirstSun board effective April 1, 2021. The 2021 LTIP awards are unfunded, unsecured promises by FirstSun or Sunflower Bank to provide the participants with a cash payment equal to the “Realized Value” of their applicable award determined at the end of the three year performance period (the “Performance Period”) based on the following formula:

(Target Value x Bank Performance Metrics) x (Individual Performance + Team Factor (0.50))

The 2021 LTIP award agreements set forth the “Target Value” of each participant’s award, which is the expected future value of the award if the Bank Performance Metrics (outlined below) are achieved at the target levels. The Target Value of Mr. Arnold and Mr. Cafera’s 2021 LTIP awards were as follows:

Name	Target Value		Vesting Period
Neal E. Arnold	$	1,000,000	3 year cliff vest
Robert A. Cafera, Jr.	400,000		3 year cliff vest

Because the 2021 LTIP has a three year Performance Period, no amounts were earned in 2021, 2022 or 2023, and, therefore, no amounts are reflected under the column “Non-Equity Incentive Plan Compensation” in the Summary Compensation Table for 2021, 2022 or 2023. The Realized Value of each executive’s award may be more or less than the Target Value and will depend on the level at which we achieve the Bank Performance Metrics, as well as the executive’s individual performance, each as measured at the end of the Performance Period. The 2021 LTIP awards will be paid in a lump sum cash payment within 45 days following the end of the three-year Performance Period, provided that the executive remains an employee in good standing of FirstSun or Sunflower Bank through the payment date, subject to certain exceptions.

The Bank Performance Metrics designated by the board in 2021 are included in the table below. The board established threshold, target and stretch performance goals for each of the metrics, with threshold representing the minimum level of performance for which the executive officer will earn a payment. If performance is below the threshold level for one of the Bank Performance Metrics, the executive officer will not earn a payment for that metric; however, the executive officer will earn a payment for the other metric if the threshold performance level is achieved. Payments for achievement of the threshold, target and stretch performance levels are 50%, 100% and 150% of the Target Value, respectively. If performance exceeds the stretch level for any Bank Performance Metric, the executive officer will not earn a further incentive above the stretch incentive for such metric. Actual performance between threshold, target and stretch performance levels is interpolated between the two levels of achievement.

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Bank Performance Metric	Weighting	Explanation
Cumulative Revenue	35%	Cumulative net interest income plus adjusted noninterest income over the Performance Period. (1)
Fee Income/Revenue	25%	Cumulative adjusted noninterest income over the Performance Period divided by Cumulative Revenue. (1)
Return on Assets	25%	Average of each fiscal year’s net income divided by average assets for the Performance Period.
Compound Tangible Book Value Growth	15%	Tangible book value (not per share) growth from the beginning of the Performance Period to the end using an annual rate of return calculation.
(1) Adjusted noninterest income will exclude extraordinary items, such as gains and losses on securities and other real estate owned.

The board has the ability to reduce the Bank Performance Metrics by up to 50% if our credit risk profile deteriorates, as measured against a group of peer institutions. In addition, if during the Performance Period, we engage in a merger or other corporate restructuring that impacts our performance, the board may make such equitable adjustments following the closing of the transaction as necessary to preserve the original intent of the award and avoid material dilution or enlargement.

2020 Long-Term Incentive Plan

Our 2020 Long-Term Incentive Plan, which we refer to as the “2020 LTIP,” was adopted by the FirstSun board effective April 1, 2020. Awards under the 2020 LTIP consisted of “LTIP Units” which are unfunded, unsecured promises by FirstSun or Sunflower Bank to provide a participant with a cash payment equal to the tangible book value of one share of FirstSun common stock, subject to the terms of the 2020 LTIP and the participant’s award agreement. All awards under the 2020 LTIP have an assigned future value, which we refer to as the “Target Value.” The Target Value is used to determine the number of LTIP Units awarded to the participant based upon the expected tangible book value of our common stock on the date that the participant becomes 100% vested in his or her award. The final value of the LTIP Units will be based on our tangible book value per share determined on the last day of each plan year. In April 2020, Mr. Arnold and Mr. Cafera were granted LTIP Units with a Target Value of $1.0 million and $400,000 respectively. These awards will have a minimum value on the vesting date of no less than 80% of the Target Value and a maximum value of no more than 120% of the Target Value, as reflected in the following table.

Name	Minimum Value		Target Value		Maximum Value		Vesting Period
Neal E. Arnold	$	800,000	$	1,000,000	$	1,200,000	3 year cliff vest
Robert A. Cafera, Jr.	320,000		400,000		480,000		3 year cliff vest

The 2020 LTIP awards granted to Mr. Arnold and Mr. Cafera have a three-year performance period and will be paid in a lump sum cash payment within 45 days following the vesting date of the executive’s award, provided that the executive remains an employee in good standing of FirstSun or Sunflower Bank through the payment date. The three-year performance period for the 2020 LTIP ended on March 31, 2023 with achievement paid in the second quarter of 2023. Therefore, amounts are reflected under the column “Non-Equity Incentive Plan Compensation” in the Summary Compensation Table for 2023.

Deferred Compensation Plan

Our Deferred Compensation Plan was established effective June 30, 2013, to allow eligible employees to defer a portion of their taxable earnings (including annual salaries, commissions, LTIP and annual bonus, and other taxable amounts) until a later specified date. In addition, FirstSun can, in its sole discretion, with respect to any plan year, make contributions on behalf of any or all participants of the plan. Our Deferred Compensation Plan is administered by an officer of FirstSun or Sunflower Bank selected by the FirstSun board. Participation is limited to a select group of management or highly compensated employees of FirstSun or Sunflower Bank approved by the FirstSun board.

The plan is unfunded and participants are unsecured general creditors of FirstSun or Sunflower Bank with respect to amounts deferred. Each participant may elect that his or her account be adjusted for gains and losses as if invested in one or more investment options made available by FirstSun in its discretion. Participants who fail to make an investment election are deemed to have elected to have their account adjusted to reflect the gains and losses of a Vanguard Target Date Retirement Fund with the target date nearest to the date the participant will attain age 65.

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A participant may elect to receive a distribution of his or her plan account in a lump sum or installments in the event of a change in control of FirstSun, termination of employment, retirement, death, disability or a specified date as elected in the participant’s enrollment form, or earlier upon a severe financial hardship. Payments to our named executive officers may be delayed for a period of six months pursuant to the “specified employee delay’ rules under Section 409A of the Code. Amounts deferred within the two years prior to the participant’s termination of employment for any reason are subject to clawback and forfeiture.

Outstanding Equity Awards at 2023 Fiscal Year-End

The following table provides a summary of stock option awards outstanding and PSUs which may be awarded under the 2022 LTIP and 2023 LTIP plans as of December 31, 2023 for the named executive officers. The vesting provisions applicable to each outstanding option and performance based stock award is described in the footnotes to the following table. For a description of the acceleration of vesting provisions applicable to the equity-based awards held by our named executive officers, please see the section titled “Potential Payments Upon Termination or Change in Control” below.

	Option Awards					Stock Awards
	Number of Securities Underlying Options Exercisable	Number of Securities Underlying Options Unexercisable	Option Exercise Price		Option Expiration Date	Number of Shares or Units of Stock That Have Not Vested	Market Value of Shares or Units of Stock That Have Not Vested		Equity Incentive Plan Awards: Number of Unearned Shares or Units That Have Not Vested (1) (2)	Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares or Units That Have Not Vested
Mollie H. Carter	196,375	—	$	19.72	7/20/2027	—	$	—	—	$	—
Neal E. Arnold	187,590	—	20.49		2/14/2028	—	—		91,791	3,345,782
Robert A. Cafera, Jr.	135,952	—	19.72		7/20/2027	—	—		15,735	573,541
(1) Awards of 41,791 (Arnold) and 7,164 (Cafera) vest on the third anniversary of the grant date, April 30, 2025. (2) Awards of 50,000 (Arnold) and 8,571 (Cafera) vest on the third anniversary of the grant date, April 1. 2026.

Potential Payments Upon Termination or Change in Control

Employment Agreements in Effect in 2023

Each of our employment agreements with, Mr. Arnold’s and Mr. Cafera’s in effect in 2023 included certain severance payments upon termination of employment, including in certain circumstances following a change in control, as described below.

If Mr. Arnold’s or Mr. Cafera’s employment is terminated without “Cause” or at his election for “Good Reason,” each as defined in his employment agreement, each is entitled to receive:

•the amount of his target annual bonus (100% of base salary) for the fiscal year that includes his termination, payable in a lump sum within 30 days;

•subject to his execution of a general release:

◦a lump sum within 65 days equal to (a) 24 months of base salary and target annual bonus, plus (b) 18 months of COBRA premiums;

◦full vesting of his account under our Deferred Compensation Plan; and

◦except where termination for Good Reason is triggered by his decision not to renew his employment agreement,

▪full vesting of any outstanding options or other incentive compensation or equity-based awards, and

▪the right to elect to cancel any outstanding options granted to him under his initial option grant in return for a payment of their spread value (i.e., the difference between the aggregate fair market value and the aggregate exercise price) as of the date of his election. The “initial option grant” refers to the option grant of 187,590 options made to Mr. Arnold on January 31, 2018 and the option grant of 135,952 options made to Mr. Cafera on July 20, 2017. If the executive fails to timely make an election to cancel such options, the options will remain outstanding and exercisable until 18 months following such termination or, if earlier, the end of the initial option grant’s original term (i.e., January 31, 2028 for Mr. Arnold and July 20, 2027 for Mr. Cafera).

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Effective March 14, 2023, Mr. Arnold’s and Mr. Cafera’s employment agreements were amended to make clear that the “other incentive compensation or equity-based awards” that become vested (as described above) include the cash and performance-based stock awards made under our LTIP Plan, with vesting of performance-based stock awards to be determined by the compensation committee of the FirstSun board based on the level of achievement of Bank Performance Measures as of the date of the executive’s termination, subject to adjustments, such as to account for transaction expenses, as the compensation committee determines are necessary to carry out the original intent of the award and in a manner that does not materially adversely affect the executive. If the compensation committee determines that the level of achievement of Bank Performance Measures cannot be objectively measured as of the executive’s termination date, then vesting will occur at the greater of target or the level achieved based on actual performance through the last practicable date prior to the executive’s termination.

In addition, under their respective employment agreements, any decision by Mr. Arnold or Mr. Cafera not to renew their respective employment agreement that occurs within one year after a “Change in Control” (as defined in their respective employment Agreement) will be treated as a termination for Good Reason.

If the total amounts due to Mr. Arnold or Mr. Cafera in connection with a change in control exceed the parachute payment limits imposed under Code Section 280G, such amounts are subject to reduction if a reduction would result in a better net benefit to the executive than if he were to incur an excise tax on his parachute payments.

Long-Term Incentive Plans

Under our LTIP Plans, if a named executive officer terminates his employment prior to the third anniversary of the grant date due to his or her retirement, death, disability, or involuntary termination without cause, the award will vest on a pro-rata schedule based on the number of full plan years following the grant date that the executive remained an employee.

In addition, in the event of a “change in control” of FirstSun (as defined in the 2021 or 2020 LTIP, as applicable), if the executive’s award is continued by FirstSun or Sunflower Bank or assumed by the purchaser and if the executive is thereafter involuntarily terminated without cause within 12 months following the change in control, then, under the 2021 LTIP, the executive is entitled to pro rata accelerated vesting of his award, and under the 2020 LTIP, the executive is entitled to accelerated vesting of his award at the Target Value. In addition, under the 2020 LTIP, if the executive’s award is not continued by FirstSun or Sunflower Bank or assumed by the purchaser, then the executive is entitled to accelerated vesting pro-rata at Target Value upon the consummation of the change in control, provided the executive remains an employee through such date.

Equity Incentive Plan

All outstanding stock options issued to our executive officers under our Equity Incentive Plans were issued pursuant to awards providing that they vest ratably over a four year period on each anniversary of the grant date, and all such outstanding stock options are currently vested in full. Pursuant to the applicable award agreements, except where termination is for “cause” (as defined in the Equity Incentive Plan) or in the case of Mr. Arnold or Mr. Cafera the termination is due to the executive officer’s decision not to renew his employment agreement, these outstanding vested stock options will continue under their current terms even following the executive officer’s termination of employment and service with FirstSun and its subsidiaries, provided that they will be cancelled if not exercised within 3 months following such termination, or in the case of death or disability within 12 months following such termination, or if earlier the original expiration of their term. However, in the first calendar year in which the executive officer is no longer employed with the FirstSun or its subsidiaries due to a termination of his or her employment and service with FirstSun and its subsidiaries without “cause” or for “good reason” (as each such term is defined in the applicable employment agreement or the applicable award agreement), the executive officer may elect to cancel each such option that remains outstanding but unexercised in return for an immediate payment equal to the difference between the aggregate fair market value of a share and the aggregate exercise price. If the executive officer fails to timely make an election to cancel his or her outstanding shares, the options will continue to remain outstanding and exercisable for a period of 18-months following the termination, or if earlier, the original option term. In the event of a change in control, unless each of the executive officers’ outstanding stock option awards are assumed, continued or a similar award is substituted by the surviving or acquiring entity, our Board may choose to either cancel the award in exchange for a payment to the executive officer of its value or allow the executive officer a limited period of time to exercise the option and any unexercised options will terminate.

The 2023 LTIP and 2022 LTIP award agreements PSUs issued to executive officers under our 2021 Equity Incentive Plan vest on the third anniversary of the grant date, subject to the achievement of the Bank Performance Measures. Under Mr. Arnold’s and Mr. Cafera’s employment agreements, if the executive officer is terminated without “cause” or the executive officer terminates his employment for “good reason” (as each such term is defined in the applicable employment

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agreement), except where such termination is triggered by the executive officer’s decision not to renew his employment agreement, any unvested portion of these PSUs will immediately vest as of the date of such termination. Amendments were made to Mr. Arnold’s and Mr. Cafera’s employment agreements in March 2023 to clarify that vesting of performance-based equity awards (such as these PSUs) made under the LTIPs (or any successor plan) will be based on the level of achievement of any Bank Performance Measures (as defined in the LTIPs) as of the date of such termination, as determined by our compensation committee and subject to adjustments (e.g., accounting for transaction expenses) to such Bank Performance Measures as the compensation committee (or its delegate) determines are necessary to carry out their original intent and in a manner that does not materially adversely affect the executive. If, however, the compensation committee determines that achievement of the applicable Bank Performance Measures for the full performance period cannot be objectively measured as of such termination, vesting will occur at the greater of 100% of target level and the level achieved based on actual performance determined through the last practicable date prior to such termination. The foregoing full vesting supersedes the standard provisions in our form PSU awards, which provided that if the participant terminates without “cause” (as defined in the LTIP) within 12 months following a change in control and is otherwise determined to be “in good standing”, unless the award was continued or assumed on substantially the same terms by the surviving or acquiring entity, the PSUs will vest pro rata based on whole one-year periods completed following date of grant and our compensation committee’s determination of the level of achievement of the applicable Performance Measures as of the end of the most recent calendar month or quarter, as designated by the compensation committee.

Compensation of Directors for Fiscal Year 2023

We do not pay our “inside” employee-directors any additional compensation for their service as directors.

For 2023, we provided the following annual compensation to our non-employee directors for their service as directors:

•an annual cash retainer of $35,000, payable quarterly;

•an additional annual retainer for the chair and members of the nominating and governance committee of $10,000 and $5,000, respectively;

•an additional annual retainer for the chair and members of the compensation and succession committee of $15,000 and $7,500, respectively;

•an additional annual retainer for the chair and members of the audit committee of $20,000 and $10,000, respectively; and

•an annual equity component consisting of an award of restricted stock with a grant date fair value of approximately $35,000, which we grant on the first business day following our annual meeting of stockholders, which such award cliff vests on the first anniversary of the grant date.

We also provide compensation to Ms. Cunningham, Ms. Elving, Mr. Levy and Ms. Merdian for their service on the Sunflower Bank board of directors and for bank-level committee service. Mr. Casciato, Mr. Hammond and Mr. Larkins do not serve on the Sunflower Bank board of directors or any of the bank-level committees.

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The following table sets forth, for the fiscal year ended December 31, 2023, certain information regarding the compensation of each non-employee director of FirstSun.

Name and Principal Position	Fees Earned or Paid in Cash		Stock Awards (1)		Option Awards (2)		All other Compensation		Total
Christopher C. Casciato (3)	$	35,000	$	35,000	$	—	$	—	$	70,000
Isabella Cunningham (4)	67,500		55,000		—		—		122,500
Beverly O. Elving (5)	78,000		55,000		—		—		133,000
Kevin T. Hammond (6)	35,000		35,000		—		—		70,000
Paul A. Larkins	35,000		35,000		—		—		70,000
David W. Levy (7)	82,500		55,000		—		—		137,500
Diane L. Merdian (8)	85,000		55,000		—		—		140,000
(1) This amount represents the grant date fair value of stock awards computed in accordance with FASB ASC Topic 718. For a discussion of the valuation assumptions, see Note 16 - Stockholders' Equity to our 2023 consolidated financial statements included in this annual report.
(2) This amount represents the grant date fair value of option awards computed in accordance with FASB ASC Topic 718. For a discussion of the valuation assumptions, see Note 16 - Stockholders' Equity to our 2023 consolidated financial statements included in this annual report. The per share exercise price of each option award was equal to the market value of our common stock on the date each option award was granted.
(3) The director compensation for Mr. Casciato is not paid to him directly, but is paid to Lightyear Capital LLC or its affiliated entities.
(4) Dr. Cunningham is also a member for the Sunflower Bank board of directors. The cash component of her compensation includes $20,000 for service as a director of the Bank during 2023, and the stock award component of her compensation includes an award of restricted stock with a grant date fair value of approximately $20,000 for her service on the Bank board. Dr. Cunningham does not serve on any of the Bank-level committees.
(5) Ms. Elving is also a member of the Sunflower Bank board of directors. The cash component of her compensation includes $23,000 for service as a director of the Bank and on Bank-level committees during 2023, and the stock award component of her compensation includes an award of restricted stock with a grant date fair value of approximately $20,000 for her service on the Bank board.
(6) The director compensation for Mr. Hammond is not paid to him directly but is paid to JLL Partners Fund FCH LP or its affiliated entities.
(7) Mr. Levy is also a member of the Sunflower Bank board of directors and the cash component of his compensation includes $20,000 for service as a director of the Bank during 2023, and the stock award component of his compensation includes an award of restricted stock with a grant date fair value of approximately $20,000 for his service on the Bank board.
(8) Ms. Merdian is also a member of the Sunflower Bank board of directors. The cash component of her compensation includes $20,000 for service as a director of the Bank during 2023, and the stock award component of her compensation includes an award of restricted stock with a grant date fair value of approximately $20,000 for her service on the bank board.

Compensation of Directors for Fiscal Year 2024

We have modified our non-employee director compensation arrangements for 2024, which now currently include the following:

•an annual cash retainer of $35,000, payable quarterly;

•an annual equity component consisting of an award of restricted stock with a grant date fair value of approximately $40,000, to be granted on the first business day following our annual meeting of stockholders, with such award cliff vesting on the first anniversary of the grant date;

•an additional annual retainer for the chair and members of the audit committee of $20,000 and $10,000, respectively;

•an additional annual retainer for the chair and members of the compensation and succession committee of $15,000 and $7,500, respectively; and

•an additional annual retainer for the chair of and members of the nominating and governance committee of $10,000 and $5,000, respectively.

Compensation Committee Interlocks and Insider Participation

None of the members of our compensation committee is or has been an officer or employee of FirstSun or any of our subsidiaries. In addition, none of our executive officers serves or has served as a member of the board of directors, compensation committee or other board committee performing equivalent functions of any entity that has one or more executive officers serving as one of our directors or on our compensation committee.

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Item 12. Security Ownership of Certain Beneficial Owner and Management and Related Stockholder Matters

The following table sets forth information about the beneficial ownership of FirstSun common stock as of March 6, 2024:

•each person known to FirstSun to be the beneficial owner of more than 5% of its common stock;

•each named executive officer of FirstSun;

•each director of FirstSun; and

•all of FirstSun’s executive officers and directors as a group.

Unless otherwise noted in the footnotes below, the address of each beneficial owner listed in the table is c/o FirstSun Capital Bancorp, 1400 16th Street, Suite 250, Denver, Colorado 80202. Except as indicated by the footnotes below, FirstSun believes, based on the information furnished to it, that the persons and entities named in the table below have sole voting and investment power with respect to all shares of our common stock that they beneficially own, subject to applicable community property laws. FirstSun has based its calculation of the percentage of beneficial ownership on 27,430,682 shares of its common stock outstanding as of March 6, 2024.

In computing the number of shares of FirstSun common stock beneficially owned by a person and the percentage ownership of that person, it deemed outstanding shares of its common stock subject to options held by that person that are currently exercisable or are exercisable within 60 days of March 6, 2024. FirstSun, however, did not deem these shares outstanding for the purpose of computing the percentage ownership of any other person.

	Amount of Shares Owned	Right to Acquire (1)	Total	Percent of Class
Directors and Named Executive Officers
Mollie H. Carter (2)	2,051,000	196,375	2,247,375	8.13	%
Neal E. Arnold	232,348	187,590	419,938	1.52	%
Robert A. Cafera, Jr.	125,267	135,952	261,219	*
Isabella Cunningham	55,751	19,837	75,588	*
Diane L. Merdian	3,679	43,369	47,048	*
David W. Levy	3,679	40,597	44,276	*
Paul A. Larkins (3)	2,277	13,385	15,662	*
Beverly O. Elving	4,209	10,880	15,089	*
Kevin T. Hammond	—	—	—	—	%
Christopher C. Casciato (4)	—	—	—	—	%
All directors and executive officers as a group (12 persons)	2,479,110	770,639	3,249,749	11.52	%
5% Stockholders
JLL / FCH Holdings I LLC	3,483,258	45,685	3,528,943	12.84	%
Wellington Management (5)	2,461,538	—	2,461,538	8.97	%
John J. Hale Trusts (6)	1,816,100	—	1,816,100	6.62	%
Karen Hale Young Trusts (7)	1,970,100	—	1,970,100	7.18	%
Max Alan Hale Trusts (8)	1,816,100	—	1,816,100	6.62	%
Dana Hale Nelson Trusts (9)	1,685,200	—	1,685,200	6.14	%
Entities Affiliated with Lightyear Capital LLC (10)	1,442,983	32,489	1,475,472	5.37	%
Aquiline SGB Holdings LLC (11)	1,443,066	—	1,443,066	5.26	%
•Indicates ownership of less than 1%.
(1) The shares in this column represent stock options of FirstSun held by that person or entity that are currently exercisable or exercisable within 60 days of March 6, 2024.
(2) Ms. Carter may be considered to exercise sole voting and investment power with respect to all 2,051,000 of the listed shares, which are held either by her individually or by trusts for which she serves as trustee.

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(3) Mr. Larkins serves as the director designee for Aquiline SGB Holdings LLC. Mr. Larkins has no voting or investment power over any shares held by Aquiline SGB Holdings LLC and disclaims any beneficial ownership of such shares.

(4) Mr. Casciato serves as the director designee for Lightyear Fund III, LP. Mr. Casciato is a Managing Director of Lightyear Capital LLC and has no voting or investment power over any shares held by Lightyear Capital LLC or its affiliates and disclaims any beneficial ownership of such shares.

(5) Consists of 440,609 shares held by Bay Pond Investors (Bermuda) L.P.; 1,508,542 shares held by Bay Pond Partners, L.P.; 408,232 shares held by Ithan Creek Master Investors (Cayman), L.P.; 2,8152 shares held by Wellington Global Multi-Strategy Master Fund (Cayman) L.P.; 3,176 shares held by Wellington Institutional Multi-Strategy Master Fund (Cayman) L.P.; 22,361 shares held by Wellington Pagosa Fund (Cayman) II, Ltd.; 9,208 shares held by Wellington-CIS Diversifying Strategies Fund (Cayman) L.P.; 44,521 shares held by Wolf Creek Investors (Bermuda) L.P.; and 22,077 shares held by Wolf Creek Partners, L.P., collectively, (the “Wellington Group”). Wellington Management Company LLP ("WMC") has the power to vote and dispose of these securities pursuant to WMC's capacity as investment adviser on behalf of the Wellington Group. WMC is a subsidiary of Wellington Management Group LLP (“WMG”). WMG is a Massachusetts limited liability partnership, privately held by 204 partners (as of January 1, 2024). There are no external entities with any ownership interest in the firm. No single partner owns or has the right to vote more than 5% of the partnership's capital. Additional information about WMC is available in its Form ADV filed with the SEC. The address for the Wellington Group is c/o Wellington Management Company LLP 280 Congress Street, Boston, MA 02210.

(6) John J. Hale has sole voting and dispositive power with respect to the shares held by a trust for which he serves as trustee.

(7) Karen Hale Young has sole voting and dispositive power with respect to these shares held by trusts for which she serves as trustee.

(8) Max Alan Hale has sole voting and dispositive power with respect to these shares held by trusts for which he serves as trustee.

(9) Dana Hale Nelson has sole voting and dispositive power with respect to these shares held by trusts for which she serves as trustee.

(10) Consists of (a) 1,436,728 shares held by Lightyear Fund III, L.P. (“Lightyear Fund III”) over which Lightyear Fund III GP, L.P., Lightyear Fund III GP Holdings, LLC, LY Holdings, LLC and Mark F. Vassallo have shared voting and dispositive power, and (b) 3,978 shares held by Lightyear Co-Invest Partnership III, L.P. over which Lightyear Fund III GP Holdings, LLC, LY Holdings, LLC and Mark F. Vassallo have shared voting and dispositive power. The address for Lightyear Capital and its affiliates is 9 West 57th Street, 31st Floor, New York, New York 10019.

(11) The address for Aquiline SGB Holdings LLC is 535 Madison Ave, New York, New York 10022. Aquiline SGB Holdings LLC is wholly owned by Aquiline Financial Services Fund II L.P. (the “Fund”). The Fund is managed by its general partner, Aquiline Capital Partners II GP (Offshore) Ltd. (the “GP”). The GP is wholly owned by Aquiline Holdings (Offshore) II L.P., which is managed by its general partner, Aquiline Holdings GP (Offshore) Ltd (“GP Offshore”). Jeffrey W. Greenberg is the sole holder of the Class A shares of GP Offshore. Under the articles of association of GP Offshore, the holders of the Class B shares of GP Offshore (of whom there are 11, excluding Mr. Greenberg, and none of whom holds more than 9% of the Class B shares) are entitled to vote only on “Designated Matters,” which is narrowly defined as “any matter of a Portfolio Company formed in a jurisdiction outside the United States that requires the approval of holders of voting interests of such entity or similar control persons of such entity.” The effect of this ownership structure is that Mr. Greenberg effectively controls GP Offshore and, in turn, the Fund.

Equity Compensation Plan Information

The following table provides certain information with respect to all of our equity compensation plans in effect as of December 31, 2023.

Plan Category	Number of Shares to be issued upon Exercise of Outstanding Options, Warrants and Rights (a)	Weighted Average Exercise Price of Outstanding Options, Warrants and Rights (b)		Number of Shares Remaining Available for Future Issuance under Equity Compensation Plans (Excluding Shares Reflected in Column (a)) (c)
Equity compensation plans approved by security holders (1)	1,538,701	$	21.64	2,406,101
Equity compensation plans not approved by security holders	N/A	N/A		N/A
Total	1,538,701	$	21.64	2,406,101
(1) Column (a) consists of the following shares of our common stock issuable upon the exercise; 1,245,000 stock options issued under our 2017 Equity Incentive Plan; 121,901 under the Pioneer Plans; 15,007 shares of restricted stock issued under our 2021 Equity Incentive Plan; 59,099 probable restricted shares from the 2022 LTIP issued under our 2021 Equity Incentive Plan; and 97,694 probable restricted shares from the 2023 LTIP issued under our 2021 Equity Incentive Plan. Column (c) consists of an aggregate of 97,667 shares reserved for future issuance under our 2017 Equity Incentive Plan, which was approved by our stockholders on May 9, 2018, and 2,308,434 shares reserved for future issuance under our 2021 Equity Incentive Plan, which was approved by our stockholders on October 29, 2021.

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Item 13. Certain Relationships and Related Transactions, and Director Independence

Certain Relationships and Related Transactions

The following section summarizes the material provisions of certain agreements entered into by FirstSun with its related parties. The summaries of agreements in this section are qualified in their entirety by reference to the forms of such agreements, which have been filed as exhibits to this Annual Report on Form 10-K.

Stockholders’ Agreement

Under the merger agreement dated July 28, 2016, by and among FirstSun, Strategic Growth Bank Incorporated, Strategic Growth Bancorp Incorporated and First National Bancorp Incorporated, which entities we collectively refer to herein as the “SGB parties,” FirstSun entered into a Stockholders’ Agreement with its stockholders dated June 19, 2017, the closing date of the mergers with the SGB parties.

Following the Pioneer merger, JLL became a party to the Stockholders’ Agreement and was designated as a Significant Stockholder. Certain FirstSun stockholders, defined as “Significant Stockholders” under the agreement, have additional rights and obligations under the Stockholders’ Agreement. These Significant Stockholders include, among others, the following:

•Aquiline SGB Holdings LLC (“Aquiline”);

•JLL/FCH Holdings I, LLC (“JLL”)

•entities affiliated with Lightyear Capital LLC;

•Ohio Public Employees Retirement System;

•Southwest Banking Partners, L.P. (“SWBP”);

•the following stockholders that are members of the Hale family:

◦the John J. Hale Trust dated December 1, 1996;

◦the Dana Hale Nelson Trust dated December 8, 1995 and the Dana Hale Nelson Family Irrevocable Trust dated May 25, 2011;

◦the Karen Hale Young Trust dated February 23, 1996 and the Karen Hale Young Family Irrevocable Trust;

◦the Max Alan Hale Trust dated June 1, 1996 and the Max Alan Hale Family Irrevocable Trust dated June 1, 2011; and

◦the Mollie Hale Carter Trust dated December 19, 1995 and the Twin Meadow VHC Trust dated May 25, 2011 (together with the “Mollie Hale Carter Trust, the “Mollie Hale Carter Stockholder Group”).

The Stockholders’ Agreement contains various provisions relating to, among other things, representation on the FirstSun board of directors; certain corporate governance provisions; restrictions on transfer; tag-along rights, rights of first refusal and preemptive rights; and certain information rights.

Each of the above-referenced Significant Stockholders, other than SWBP, own 5% or more of the shares of FirstSun common stock. See “Security Ownership of Certain Beneficial Owners and Management of FirstSun.” We have three additional Significant Stockholders under the Stockholders’ Agreement that each own less than 5% of the outstanding shares of FirstSun common stock.

Amendments to Stockholder’ Agreement

The Stockholders’ Agreement remained in effect following the closing of the Pioneer merger. Under the merger agreement, the Stockholders’ Agreement was amended further (such amendment, “Amendment No. 2”), effective upon the merger, to among other things, increase the size of the FirstSun board of directors from eight to ten members. In addition, JLL, Pioneer’s largest shareholder, became a party to the agreement, and was designated as a Significant Stockholder and has the right to designate one nominee, who is a Class II director, to the FirstSun board of directors. Other than JLL, no other Pioneer shareholder became a party to the Stockholders’ Agreement as a result of the merger. The Stockholders’ Agreement was further amended in contemplation of the proposed merger with HomeStreet, Inc. and the additional liquidity that would be provided to FirstSun stockholders upon the listing of its shares of common stock (which listing is required pursuant to FirstSun’s obligations under the Upfront Securities Purchase Agreement described below). Specifically, the Stockholders’ Agreement was amended on January 2, 2024, to permit the termination of the Stockholders’ Agreement (other than certain governance and board nomination rights) upon the listing of FirstSun common stock on a national securities exchange (such amendment, “Amendment No. 3”), and on January 16, 2024, to provide for the complete

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termination (including with respect to governance and board nomination rights), of the Stockholders’ Agreement upon the closing of the proposed merger with HomeStreet, Inc. (such amendment, “Amendment No. 4”).

In addition, the Stockholders Agreement was amended on March 6, 2024, to revise the specific board class nomination rights of two stockholders with existing board nomination rights to ensure that its board would consist, as nearly as possible, of classes with one-third of the directors in each class (such amendment, “Amendment No. 5”).

The below description of the Stockholders’ Agreement is a description of the agreement, as amended by Amendments No. 1 through 5 to the Stockholders’ Agreement (which will automatically terminate upon consummation of the proposed merger with HomeStreet, Inc.).

Corporate Governance Provisions

Board Composition

The Stockholders’ Agreement (which will automatically terminate upon consummation of the proposed merger with HomeStreet, Inc.) provides that FirstSun will have a ten-member classified board of directors, divided into three classes, with each class consisting (as nearly as possible) of one-third of the total number of directors, with each director elected for a staggered three-year term. Under the Stockholders’ Agreement, the following stockholder groups are entitled to designate one nominee for election as a director as follows:

•Aquiline (whose current nominee is Paul A. Larkins);

•JLL (whose current nominee is Kevin T. Hammond);

•Lightyear (whose current nominee is Chris C. Casciato);

•SWBP (currently SWBP has elected not to exercise its right to nominate a director for election and, therefore, such director seat is vacant);

•the Dana Hale Nelson Trusts (whose current nominee is Neal E. Arnold);

•the Karen Hale Young Trusts (whose current nominee is Beverly O. Elving);

•the John J. Hale Trust (whose current nominee is David W. Levy).

•the Max Alan Hale Trusts (whose current nominee is Diane L. Merdian); and

•the Mollie Hale Carter Stockholder Group (whose current nominee is Mollie H. Carter).

Under the Stockholders’ Agreement, the Mollie Hale Carter Stockholder Group designee (currently Ms. Carter) will serve as Chair of the FirstSun board of directors.

Under the Stockholders’ Agreement, if any stockholder (or group of stockholders) with a director designation right, each a “designating stockholder,” ceases to own at least 40% of the amount of FirstSun common stock owned at the closing of the SGB mergers, or with respect to JLL, common stock owned at the time of the closing of the Pioneer Merger, it will lose its designation right, and the director nominated under such designation right must resign from the board and the size of the board will be reduced accordingly; provided, that, if such designating stockholder increases its ownership of FirstSun common stock to an amount equal to or greater than 40% of the amount of FirstSun common stock owned at the closing of the SGB mergers, or with respect to JLL, common stock owned at the time of the closing of the Pioneer Merger, within 90-days after losing such designation right, the designating stockholder’s designation right will be reinstated. In addition, if a Hale trust group loses a designation right and the other Hale trust group that had not held a designation right before that time still holds at least 40% of the amount of FirstSun common stock it owned at the closing of the SGB mergers, the other Hale trust group may succeed to the designation right. As such, when the Lisa K. Hale Trusts transferred its ownership below 40% in 2020, resulting in the loss of its designation right, such designation right was transferred to the John J. Hale Trust.

If there is a vacancy on the FirstSun board as the result of a director’s death, disability, retirement, resignation, removal or otherwise, the applicable designating stockholder will have the exclusive right to designate a nominee to fill such vacancy.

The Stockholders’ Agreement requires that the FirstSun board hold at least four regularly scheduled meetings each calendar year, which must occur approximately every 90-days.

Charter and Bylaw Provisions

The Stockholders’ Agreement requires that FirstSun’s governing documents, including its certificate of incorporation and bylaws, provide (a) for the elimination of the liability of each director to the maximum extent permitted by law and (b) indemnification of, and advancement of expenses for, each director for acts on behalf of FirstSun to the maximum extent

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permitted by law. In addition, for the Lightyear, JLL and Aquiline designees, FirstSun acknowledges that such directors may have indemnification rights provided by their respective designating stockholder, and FirstSun has agreed, among other things, that it is the indemnitor of first resort.

ERISA Matters

Each of Lightyear, JLL and Aquiline, and their respective affiliates, each referred to as a “VCOC Investor” were (or will be) granted “venture capital operating company” rights that were not provided to the other stockholders, including the right to receive quarterly and annual financial statements, the right to visit and inspect the offices and properties of FirstSun, consultation rights with management of FirstSun and, in the event that the board designee for Lightyear, JLL, or Aquiline no longer has a right to serve on the FirstSun board of directors, or if such designee is unable to attend a board meeting, non-voting board observer rights, each subject to their agreement to maintain the confidentiality of any non-public information provided to them and to comply with applicable securities laws. These rights will terminate when the VCOC Investor holds less than 1% of FirstSun common stock.

Bank Board

The Stockholders’ Agreement also provides that the board of directors of Sunflower Bank will be composed of 13 directors. Pursuant to Amendment No. 3, this provision will terminate upon the listing of FirstSun common stock on a national securities exchange.

Regulatory Compliance on Listing Event

The Stockholders’ Agreement contains an initial public offering preparedness provision that requires the board to be reconstituted in conjunction with the listing of FirstSun common stock on NASDAQ or the New York Stock Exchange to the extent regulatory standards so require (subject to a maximum of 12 directors). Pursuant to Amendment No. 3, this provision will terminate upon the listing of FirstSun common stock on a national securities exchange.

Share Transfer Provisions

General Transfer Restrictions and Exceptions

The Stockholders’ Agreement (which will automatically terminate upon consummation of the proposed merger with HomeStreet, Inc.) contains customary provisions for a private company restricting the transfer of shares, as discussed below. Notwithstanding the transfer restrictions, stockholders may transfer to “Permitted Transferees,” as defined in the agreement, which include family and affiliated entities and trusts, among other things. Any transfer to a Permitted Transferee requires that such transferee agrees to be bound by the terms of the Stockholders’ Agreement by executing a joinder to the agreement.

Right of First Refusal

Prior to an initial underwritten public offering, if a stockholder wishes to sell all or any portion of its position in FirstSun to a third-party, it must provide written notice of the terms of the offer to FirstSun, and FirstSun will provide notice to the other stockholders’ party to the agreement. Such other stockholders would then have the opportunity to participate in the purchase (pro rata in proportion to their ownership) of the selling stockholder’s shares. The right of first refusal does not apply to sales that do not exceed $250,000 in a one year period.

Tag-Along Rights

The Stockholders’ Agreement grants “tag-along rights” to stockholders party to the agreement that apply when any Significant Stockholders, which we refer to as a “Tag-Along Seller,” wishes to sell to any third-party other than a Permitted Transferee, which we refer to as a “Tag-Along Sale.” These tag-along rights require the Tag-Along Seller to provide written notice of the terms of such Tag-Along Sale to FirstSun and each other stockholder party to the agreement and provide such other stockholders with the opportunity to join in the Tag-Along Sale (a “Tagging Person”). The right to participate in the Tag-Along Sale is pro-rated based on ownership, if the maximum amount of shares the purchaser is willing to purchase is less than the number of shares the Tag-Along Seller and each Tagging Person wishes to sell. The sale is first governed by the right of first refusal discussed above, if applicable.

The requirements related to a Tag-Along Sale do not apply to the following by a Tag-Along Seller (a) sales in an underwritten public offering in which a such seller participates under the registration rights agreement described below, (b)

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transfers to a Permitted Transferee, (c) a sale under Rule 144 of the Securities Act following an underwritten public offering, or (d) sales or transfers of less than 3% of FirstSun common stock over any 12-month period.

Amendment No. 2 to the Stockholders’ Agreement provides that these “tag-along rights” will terminate immediately prior to the consummation by FirstSun of an initial underwritten public offering.

Preemptive Rights

FirstSun has granted preemptive rights to Significant Stockholders to purchase any securities or subsidiary securities that FirstSun or any subsidiary may propose to issue, other than:

•an issuance to employees, officers, directors or consultants of FirstSun and its subsidiaries pursuant to employee benefit or other compensatory arrangements;

•to debt financing sources in connection with any bona fide, arm’s length restructuring of outstanding debt of FirstSun or its subsidiaries approved by the board;

•in connection with the exercise or conversion of outstanding securities or securities of a subsidiary or any interest payment, dividend or distribution in respect of outstanding securities or subsidiary securities;

•as consideration in connection with any bona fide, arm’s-length direct or indirect merger, acquisition or similar transaction;

•in the case of debt securities issued by FirstSun or any subsidiaries (that is not a security or a security of a subsidiary) pursuant to a bona fide underwritten public offering;

•pursuant to a written requirement to raise additional capital issued by the Federal Reserve or any other regulatory authority; or

•any sale by a CFS Pledgee of any CFS Pledged Shares (each as defined in the Stockholders’ Agreement).

The preemptive rights provisions in the Stockholders’ Agreement, like the right of first refusal and tag-along rights, contain an allocation methodology based on pro rata ownership. This provision automatically terminates immediately prior to FirstSun’s consummation of an initial underwritten public offering.

Pursuant to Amendment No. 3, all of the provisions described above under the heading “Share Transfer Provisions” will terminate upon the listing of FirstSun common stock on a national securities exchange.

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Miscellaneous Stockholders’ Agreement Provisions

Information Rights; Confidentiality

Under the Stockholders’ Agreement (which will automatically terminate upon consummation of the proposed merger with HomeStreet, Inc.), FirstSun is required to furnish stockholders party to the agreement with quarterly and annual financial statements, and stockholders are generally required to maintain the confidentiality of non-public information provided to them by FirstSun. These information rights will terminate when FirstSun becomes subject to the reporting requirements under the Exchange Act. Pursuant to Amendment No. 3, this provision will terminate upon the listing of FirstSun common stock on a national securities exchange.

U.S. Real Property Interests

FirstSun has agreed that, as and when requested by a Significant Stockholder, it will provide reasonable assistance in connection with determinations by such Significant Stockholder of whether FirstSun common stock held by such Significant Stockholder constitutes a United States real property interest under Section 897 of Code. FirstSun must also comply with the notice requirement to the IRS described in Treasury Regulation Section 1.897-2(h)(2), and maintain its status as an association taxable as a corporation for U.S. federal income tax purposes. Pursuant to Amendment No. 3, this provision will terminate upon the listing of FirstSun common stock on a national securities exchange.

Amendment; Termination

The Stockholders’ Agreement may be amended or waived only by the written consent of FirstSun stockholders holding two-thirds of the outstanding shares of FirstSun common stock party to the agreement. Pursuant to Amendment No. 3, all provisions of the Stockholders’ Agreement terminate upon the earlier of a listing on a national stock exchange, an initial underwritten public offering or Change of Control of FirstSun (as defined in the agreement); provided, however, that certain governance provisions will remain in effect following a listing on a national stock exchange or an initial underwritten public offering, including certain director designation rights and VCOC rights of Lightyear, JLL and Aquiline, which will be in effect until such designating stockholder loses such designation right or the earlier to occur of the closing of the proposed merger with HomeStreet, Inc., a Change of Control or the 25th anniversary of the dated of the agreement. Pursuant to Amendment No. 4, the Stockholders’ Agreement will be completely terminated (including with respect to governance and board nomination rights), upon the closing of the proposed merger with HomeStreet, Inc.

Registration Rights Agreement (2017)

Under the SGB merger agreement, on June 19, 2017, FirstSun entered into a Registration Rights Agreement with its stockholders, including the Significant Stockholders referenced above (which Significant Stockholders are referred to as “Significant Investors” in the Registration Rights Agreement). Under the Registration Rights Agreement, FirstSun is obligated to register the sale of shares of FirstSun common stock owned by the stockholders party to the agreement under certain circumstances, as described below.

The Registration Rights Agreement remained in effect following the merger. Under the merger agreement, the Registration Rights Agreement was amended, effective as of the closing date of the Pioneer Merger, to among other things, add JLL, Pioneer’s largest shareholder, as a “Significant Investor” to the agreement. Other than JLL, no other Pioneer shareholder became a party to the Registration Rights Agreement as a result of the merger. Resale registration statements with respect to the registrable shares held by parties to the Registration Rights Amendments are currently on file and effective with the SEC.

Demand Rights

At any time beginning on or after June 19, 2019, each Significant Investor, subject to the limitations set forth in the Registration Rights Agreement, will have the right to require FirstSun by written notice to prepare and file a registration statement registering the offer and sale of a number of their shares of FirstSun common stock. Each Significant Investor has the right to up to five demand notices.

FirstSun will not be obligated to effect any demand registration unless (a) the aggregate number of shares joining in the demand is at least 20% of the total number of issued and outstanding shares of FirstSun common stock (if the demand is before an initial public offering of FirstSun), or 10% of the total number of issued and outstanding shares of FirstSun common stock (if the demand is after the initial public offering of FirstSun), and (b) either (i) the aggregate offering price of securities to be included in the registration, net of underwriting discounts and commissions, equals or exceeds $25.0

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million, or (ii) the aggregate number of shares of FirstSun common stock to be included in the registration equals or exceeds 10% of the total number of issued and outstanding shares of FirstSun common stock. In addition, FirstSun will not be obligated to file a registration statement within a period of 180 days after the effective date of any other demand registration statement.

FirstSun will also be permitted to postpone filing a registration statement or facilitating an offering relating to a demand registration request if the registration process would, among other things, materially and adversely affect a pending or proposed material financing or material acquisition, merger, recapitalization, consolidation, reorganization or similar transaction.

Piggyback Rights

If FirstSun proposes to register an offering of FirstSun common stock (subject to certain exceptions) for its own account or for the account of any third-party (including a demand registration), then it must give written notice to the holders under the Registration Rights Agreement and allow them to include their shares in that registration statement. There is no limitation on the number of such piggyback registrations that FirstSun is required to effect.

Conditions and Limitations

These registration rights are subject to certain conditions and limitations, including the right of the underwriters to limit the number of shares to be included in a registration and FirstSun’s right to delay an offering or registration statement or withdraw a registration statement under certain circumstances.

Expenses and Indemnification

FirstSun will generally pay all registration expenses in connection with its obligations under the Registration Rights Agreement, regardless of whether a registration statement becomes effective or the offering is consummated, including legal expenses of one counsel for the holders party to the agreement. However, the holders must pay all underwriting discounts and commissions in connection with sales by them of any of their shares of FirstSun common stock.

The Registration Rights Agreement also contains customary indemnification provisions pursuant to which FirstSun will be required to indemnify each holder and its affiliates against certain liabilities that may arise, including those under the Securities Act.

Investment-Related Agreements 2024

Upfront Securities Purchase Agreement

Concurrent with its entry into the merger agreement with HomeStreet, FirstSun entered into an upfront securities purchase agreement (the “Upfront Securities Purchase Agreement”), dated January 16, 2024, with certain funds managed by Wellington Management Company, LLP (collectively, the “Wellington Funds”), pursuant to which, on the terms and subject to the conditions set forth therein, FirstSun sold, and the Wellington Funds purchased, for $32.50 per share and an aggregate purchase price of $80 million, approximately 2.46 million shares of FirstSun Common Stock. This transaction closed on January 17, 2024. Under the terms of the Upfront Securities Purchase Agreement, FirstSun committed to listing FirstSun’s common stock on a national securities exchange within 120 days of closing, subject to a right to extend upon mutual consent for an additional 60 days, regardless of whether the merger is consummated. Under the terms of the Upfront Securities Purchase Agreement, FirstSun is obligated to issue to the Wellington Funds, upon consummation of the merger, warrants to purchase approximately 1.15 million shares of FirstSun Common Stock with such warrants having an initial exercise price of $32.50 per share (the “Warrants”). The Warrants will carry a term of three years, and may be settled on a “net share” basis by applying shares otherwise issuable under the Warrants in satisfaction of the exercise price. In the event the Merger is not consummated, no Warrants will be issued. The Upfront Securities Purchase Agreement contains customary representations, warranties and agreements of each party.

Upfront Registration Rights Agreement

In connection with the Upfront Securities Purchase Agreement, FirstSun and the Wellington Funds also entered into a Registration Rights Agreement (the “Upfront Registration Rights Agreement”), dated January 16, 2024, pursuant to which FirstSun agreed to provide customary resale registration rights with respect to the shares of FirstSun common stock obtained by the Wellington Funds pursuant to the Investment Agreements (as defined below), including those issued upon exercise of the Warrants. Under the Upfront Registration Rights Agreement, the Wellington Funds will be entitled to resale

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registration rights and rights to request a certain number of underwritten shelf takedowns, in each case, subject to certain limitations as set forth in the Upfront Registration Rights Agreement. Failure to meet the resale registration statement filings or effectiveness deadlines, and certain other events, set forth in the Upfront Registration Rights Agreement may result in FirstSun’s payment to the Wellington Funds of liquidated damages in the amount of 1% of the purchase price per month pending effective registration.

Acquisition Finance Securities Purchase Agreement and Acquisition Finance Registration Rights Agreement

Concurrently with its entry into the merger agreement with HomeStreet, FirstSun entered into an acquisition finance securities purchase agreement (the “Acquisition Finance Securities Purchase Agreement,” and together with the Upfront Securities Purchase Agreement, the “Investment Agreements”), dated January 16, 2024, with the Wellington Funds and certain other institutional accredited investors (each, an “additional institutional investor” and, collectively with the Wellington Funds, the “institutional investors”). Pursuant to the Acquisition Finance Securities Purchase Agreement, on the terms and subject to the conditions set forth therein, substantially concurrently with the closing of the merger, the institutional investors will invest an aggregate of $95 million in exchange for the sale and issuance, at a purchase price of $32.50 per share, approximately 2.92 million shares of FirstSun common stock.

The Acquisition Finance Securities Purchase Agreement contains customary representations, warranties and agreements of each party, including an obligation of FirstSun to provide customary resale registration rights to the additional institutional investors. The Acquisition Finance Securities Purchase Agreement contemplates that, in connection with the closing of the investments under the Acquisition Finance Securities Purchase Agreement, FirstSun will enter into a resale registration rights agreement with each additional institutional investor (the “Acquisition Finance Registration Rights Agreement”), the material terms and conditions of which are consistent with the terms and conditions of the Upfront Registration Rights Agreement. Under the terms of the Acquisition Finance Securities Purchase Agreement, FirstSun is obligated to undertake reasonable best efforts to consummate the merger and may not amend, modify, or agree to waive certain terms under the Merger Agreement without the consent of the institutional investors. The closing of the investments under the Acquisition Finance Securities Purchase Agreement is conditioned on the substantially concurrent closing of the merger and other customary closing conditions.

Board Representative Right

Pursuant to the Acquisition Finance Securities Purchase Agreement, FirstSun and Castle Creek Capital Partners VIII, L.P. (“Castle Creek”), an additional institutional investor, have entered into an agreement to provide certain governance and other rights to Castle Creek upon consummation of the closing of the merger. Among other rights, upon closing of the merger, Castle Creek will initially appoint an observer to the board of directors of FirstSun, and, upon Castle Creek’s request after the earlier of six months or an existing private equity investor losing a board nomination right pursuant to its agreements with FirstSun, Castle Creek will receive the right, so long as Castle Creek maintains beneficial ownership of at least 40% of the shares of FirstSun common stock acquired pursuant to the Acquisition Finance Securities Purchase Agreement, to nominate an individual for election or appointment to the board of directors of FirstSun.

Related Party Transaction Policy

Transactions by us with related parties are subject to regulatory requirements and restrictions. These requirements and restrictions include Sections 23A and 23B of the Federal Reserve Act (which govern certain transactions by us with our affiliates) and the Federal Reserve’s Regulation O (which governs certain loans by us to our executive officers, directors and principal stockholders). We have also adopted policies to comply with these regulatory requirements and restrictions, including policies governing the approval of related party transactions. Under our policies, all transactions between us and our directors, officers and 5% stockholders are subject to the approval of a majority of the independent and disinterested outside directors and are conducted on terms no less favorable than could be obtained from unaffiliated third parties on an arm’s-length basis. In addition, we conduct an appropriate review of all related person transactions for potential conflicts of interest on an ongoing basis, and all such transactions must be approved by the Audit Committee (or another independent body of the board).

On November 8, 2023, FirstSun acquired all membership interests of FEIF Capital Partners, LLC, a Delaware limited liability company (“FEIF”) from our chief executive officer for $0.15 million and assumed liabilities of $0.01 million. FEIF currently has no operations. FEIF owns FEIF GP, LLC, a limited liability company with no assets. These entities will provide investment management services and are related to a future business activity of the Company.

Director Independence

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Our securities are not listed on a national securities exchange or any inter-dealer quotation system which has a requirement that a majority of directors be independent. Our board has undertaken a review of the independence of each director on the FirstSun board of directors under the standards for director independence set forth in the NASDAQ Marketplace Rules. Under these rules, our board has affirmatively determined that Mr. Casciato, Ms. Cunningham, Ms. Elving, Mr. Hammond, Mr. Larkins, Mr. Levy and Ms. Merdian are “independent directors.”

In addition, the members of our audit committee, nominating and governance committee and compensation and succession committee are comprised solely of independent directors under the NASDAQ Marketplace Rules.

We have determined that Ms. Carter and Mr. Arnold do not qualify as independent directors because of Ms. Carter’s service as the Executive Chair of FirstSun and Sunflower Bank and because Mr. Arnold is an executive officer of both FirstSun and Sunflower Bank.

Item 14. Principal Accounting Fees and Services

Our independent registered public accounting firm for the years ended December 31, 2023 and 2022 was Crowe LLP.

The following table shows the fees that we paid for services performed in the years ended December 31, 2023 and 2022 to Crowe LLP:

(in thousands)
Type of Fees	2023		2022
Audit fees	$	1,103	$	1,228
Audit-related fees	26		101
Tax fees	—		—
All other fees	7		6
Total fees	$	1,136	$	1,335

Audit Fees. Audit fees consist primarily of fees for the integrated audit of our consolidated financial statements, review of our quarterly reports on Form 10-Q and annual report on Form 10-K. Audit fees are those billed or expected to be billed for audit services related to each fiscal year.

Audit Related Fees. This category includes the aggregate fees billed for non-audit services, exclusive of the fees disclosed relating to audit fees. These services principally include the procedures performed for various filings with the SEC and due diligence services related to acquisition activity.

All Other Fees. This category consists of services not applicable to the first two categories for agreed-upon procedures.

Pre-Approval Policy. The Audit Committee has a policy to pre-approve all audit and non-audit and tax services performed by our independent registered public accounting firm. All services provided by the independent registered public accounting firm are either within general pre-approved limits or specifically approved by the Audit Committee. The Pre-Approval Policy requires the Audit Committee to be informed of the services provided under the pre-approval guidelines at the next regularly scheduled Audit Committee meeting. All services provided by Crowe LLP, and all fees related thereto, were approved pursuant to the pre-approval policy.

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Part IV

Item 15. Exhibits

Exhibit No.	Description
2.1	Agreement and Plan of Merger by and between FirstSun Capital Bancorp, Pioneer Bancshares, Inc. and FSCB Merger Subsidiary, Inc. dated as of May 11, 2021, as amended (incorporated by reference to Annex A of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).*
2.2	Agreement and Plan of Merger, dated January 16, 2024, by and among HomeStreet, Inc., FirstSun Capital Bancorp, and Dynamis Subsidiary, Inc. (incorporated by reference to Exhibit 2.1 of the Company's Current Report on Form 8-K filed on January 19, 2024).*
3.1	Amended and Restated Certificate of Incorporation of FirstSun Capital Bancorp, as amended (incorporated by reference to Exhibit 3.1 to the proxy statement/prospectus contained in the Registration Statement on Form S-4 (File No. 333-258176) filed with the SEC on July 26, 2021).
3.2	Certificate of Amendment dated November 3, 2021 to the Amended and Restated Certificate of Incorporation of FirstSun (incorporated by reference to Exhibit 3.2 of the Company’s Form 10-Q for the Quarter Ended September 30, 2021).
3.3	Bylaws of FirstSun Capital Bancorp as amended and restated through October 29, 2021 (incorporated by reference to Exhibit 3.3 of the Company’s Form 10-Q for the Quarter Ended September 30, 2021).
4.1	Form of common stock certificate of FirstSun Capital Bancorp (incorporated by reference to Exhibit 4.1 to the proxy statement/prospectus contained in the Registration Statement on Form S-4 (File No. 333-258176) filed with the SEC on July 26, 2021).
4.2	FirstSun Capital Bancorp is a party to long-term debt instruments with respect to subordinated notes, under which the total amount of securities authorized does not exceed 10% of the total assets of FirstSun Capital Bancorp and its subsidiaries on a consolidated basis. Pursuant to paragraph (b)(4)(iii)(A) of Item 601 of Regulation S-K, FirstSun Capital Bancorp agrees to furnish a copy of such instruments to the Securities and Exchange Commission upon request.
4.3	Form of Stockholders’ Agreement dated as of June 19, 2017, by and among FirstSun Capital Bancorp and the parties signatories thereto (incorporated by reference to Exhibit 4.3 to the proxy statement/prospectus contained in the Registration Statement on Form S-4 (File No. 333-258176) filed with the SEC on July 26, 2021).*
4.4	Form of Amendment No. 1 to the Stockholders’ Agreement dated March 14, 2018 by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 4.4 to the proxy statement/prospectus contained in the Registration Statement on Form S-4 (File No. 333-258176) filed with the SEC on July 26, 2021).
4.5	Form of Amendment No. 2 to the Stockholders’ Agreement by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit B to Annex A of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).
4.6	Form of Registration Rights Agreement dated as of June 19, 2017 by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 4.6 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).*
4.7	Form of Amendment No. 1 to Registration Rights Agreement by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit C to Annex A of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).
4.8	Form of Amendment No. 3 to the Stockholders’ Agreement by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 4.1 of the Company’s Form 8-K filed on January 9, 2024).
4.9	Form of Amendment No. 4 to the Stockholders’ Agreement by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 4.1 of the Company’s Form 8-K filed on January 19, 2024).
4.10	Form of Amendment No. 5 to the Stockholders’ Agreement by and among FirstSun and the parties signatories thereto.
4.11	Form of Upfront Registration Rights Agreement, dated as of January 16, 2024, by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 10.5 of the Company's Current Report on Form 8-K filed on January 19, 2024).*
10.1	Amended and Restated Employment Agreement dated as of May 13, 2020 by and among Mollie Hale Carter, FirstSun Capital Bancorp and Sunflower Bank, N.A. (incorporated by reference to Exhibit 10.1 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.2	Amended and Restated Employment Agreement dated as of March 24, 2022 by and among Neal E. Arnold, FirstSun Capital Bancorp and Sunflower Bank, N.A (incorporated by reference to Exhibit 10.17 to the Company’s Form 10-K for the year ended December 31, 2021).^
10.3	First Amendment to Amended and Restated Employment Agreement dated March 14, 2023 by and Neal E. Arnold, FirstSun Capital Bancorp and Sunflower Bank, N.A (incorporated by reference to Exhibit 10.17 to the Company’s Form 10-K for the year ended December 31, 2022).^
10.4	Amended and Restated Employment Agreement dated as of June 19, 2017 by and among Robert A. Cafera, Jr., FirstSun Capital Bancorp and Sunflower Bank, N.A. (incorporated by reference to Exhibit 10.4 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.5	2019 Amendment to Amended and Restated Employment Agreement dated as of February 21, 2019 by and among Robert A. Cafera, Jr., FirstSun Capital Bancorp and Sunflower Bank, N.A. (incorporated by reference to Exhibit 10.5 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.6	FirstSun Capital Bancorp 2017 Equity Incentive Plan (incorporated by reference to Exhibit 10.6 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.7	Form of FirstSun Capital Bancorp Stock Option Agreement (incorporated by reference to Exhibit 10.7 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^

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Exhibit No.	Description
10.8	FirstSun Capital Bancorp 2020 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.8 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.9	Form of FirstSun Capital Bancorp 2020 Long-Term Incentive Plan Award Agreement (incorporated by reference to Exhibit 10.9 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.10	FirstSun Capital Bancorp Deferred Compensation Plan Amended as of January 1, 2019 (incorporated by reference to Exhibit 10.10 of the Company’s Registration Statement on Form S-4 (File No. 333-258176) filed on July 26, 2021).^
10.11	FirstSun Capital Bancorp 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.1 of the Company’s Form 10-Q for the Quarter Ended September 30, 2021).^
10.12	FirstSun Capital Bancorp 2021 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.12 of the Company’s Form 10-K for the Year Ended December 31, 2021).^†
10.13	Form of FirstSun Capital Bancorp 2021 Long-Term Incentive Plan Award Agreement (incorporated by reference to Exhibit 10.13 of the Company’s Form 10-K for the Year Ended December 31, 2021).^
10.14	FirstSun Capital Bancorp Long-Term Incentive Plan, effective April 1, 2022 (incorporated by reference to Exhibit 10.14 of the Company’s Form 10-K for the Year Ended December 31, 2021).^
10.15	Form of FirstSun Capital Bancorp Long-Term Incentive Plan Award Agreement (incorporated by reference to Exhibit 10.15 of the Company’s Form 10-K for the Year Ended December 31, 2021).^
10.16	Agreement and General Release dated March 24, 2022 between Mollie Hale Carter and FirstSun Capital Bancorp (incorporated by reference to Exhibit 10.16 of the Company’s Form 10-K for the Year Ended December 31, 2021).^
10.17	2023 Amendment to Amended and Restated Employment Agreement dated as of March 14, 2023 by and among Robert A. Cafera, Jr., FirstSun Capital Bancorp and Sunflower Bank, N.A. (incorporated by reference to Exhibit 10.18 of the Company’s Form 10-K for the Year Ended December 31, 2022).^
10.18	Form of Upfront Securities Purchase Agreement, dated as of January 16, 2024, by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 10.3 of the Company's Current Report on Form 8-K filed on January 19, 2024).*
10.19	Form of Acquisition Finance Securities Purchase Agreement, dated as of January 16, 2024, by and among FirstSun and the parties signatories thereto (incorporated by reference to Exhibit 10.4 of the Company's Current Report on Form 8-K filed on January 19, 2024).*
10.20	Form of 2024 Special Restricted Stock Grant Agreement.^
14.1	Code of Ethics (incorporated by reference to Exhibit 14.1 of the Company’s Form 10-K for the Year Ended December 31, 2021).
21.1	Subsidiaries of FirstSun Capital Bancorp.
23.1	Consent of Crowe LLP. (Independent Registered Public Accounting Firm)
31.1	Certification of Chief Executive Officer Pursuant to Rule 13a-14(a)/15d-14(a).
31.2	Certification of Chief Financial Officer Pursuant to Rule 13a-14(a)/15d-14(a).
32.1	Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	Interactive data files pursuant to Rule 405 of Regulation S-T: (i) Consolidated Balance Sheets as of December 31, 2023 and December 31, 2022; (ii) Consolidated Statements of Income and Comprehensive Income for the Years Ended December 31, 2023, 2022 and 2021; (iii) Consolidated Statements of Stockholders’ Equity for the Years Ended December 31, 2023, 2022 and 2021; (iv) Consolidated Statements of Cash Flows for the Years Ended December 31, 2023, 2022 and 2021; and (v) Notes to Consolidated Financial Statements, tagged as blocks of text and in detail.
104	The cover page from the Company’s Annual Report on Form 10-K Report for the year ended December 31, 2023, formatted in inline XBRL and contained in Exhibit 101.

*Annexes, schedules, and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. FirstSun agrees to furnish supplementally a copy of any omitted attachment to the Securities and Exchange Commission on a confidential basis upon request.

^     Management contract or compensatory plan or arrangement.

†    Confidential portions of this Exhibit were redacted pursuant to Item 601(b)(10) of Regulation S-K. FirstSun agrees to furnish supplementally a copy of any redacted information to the Securities and Exchange Commission upon request.

179

Item 16. Form 10-K Summary

Not Applicable.

Supplemental Information to be Furnished With Reports Filed Pursuant to Section 15(d) of the Act by Registrants Which Have Not Registered Securities Pursuant to Section 12 of the Act

No annual report or proxy material has been sent to our stockholders as of the date of this Annual Report on Form 10-K (this “Annual Report”). A copy of this Annual Report and proxy material will be sent to our stockholders subsequent to the filing of this Annual Report, copies of which will be furnished to the SEC on or about the time such materials are sent to our stockholders.

180

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		FIRSTSUN CAPITAL BANCORP
		(Registrant)
		/s/ Neal E. Arnold
Date:	March 7, 2024
		Neal E. Arnold
		Chief Executive Officer and President

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Mollie H. Carter and Neal E. Arnold, his or her true and lawful attorney‑in‑fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments to this Annual Report on Form 10‑K, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto attorney‑in‑fact and agent full power and authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that attorney‑in‑fact and agent, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

181

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/ Neal E. Arnold	Chief Executive Officer and President	March 7, 2024
Neal E. Arnold	(Principal Executive Officer)
/s/ Robert A. Cafera, Jr.	Executive Vice President and Chief Financial Officer	March 7, 2024
Robert A. Cafera, Jr.	(Principal Financial Officer & Principal Accounting Officer)
/s/ Mollie H. Carter	Executive Chair of the Board	March 7, 2024
Mollie H. Carter
/s/ Christopher C. Casciato	Director	March 7, 2024
Christopher C. Casciato
/s/ Isabella Cunningham	Director	March 7, 2024
Isabella Cunningham
/s/ Beverly O. Elving	Director	March 7, 2024
Beverly O. Elving
/s/ Kevin T. Hammond	Director	March 7, 2024
Kevin T. Hammond
/s/ Paul A. Larkins	Director	March 7, 2024
Paul A. Larkins
/s/ David W. Levy	Director	March 7, 2024
David W. Levy
/s/ Diane L. Merdian	Director	March 7, 2024
Diane L. Merdian

182

EX-4.10

Exhibit 4.10

AMENDMENT NO. 5

TO

STOCKHOLDERS’ AGREEMENT

THIS AMENDMENT NO. 5 TO STOCKHOLDERS’ AGREEMENT (this “Amendment”) is made and entered into as of March 6, 2024, by and among FIRSTSUN CAPITAL BANCORP, a Delaware corporation (the “Corporation”), and the Persons executing the signature pages hereto.

WITNESSETH:

WHEREAS, the Corporation and the Stockholders entered into that certain Stockholders’ Agreement, dated as of June 19, 2017 (as amended by that certain Amendment No. 1 to the Stockholders’ Agreement dated as of March 14, 2018, as further amended by that certain Amendment No. 2 to the Stockholders’ Agreement dated as of June 1, 2021, as further amended by that certain Amendment No. 3 to the Stockholders’ Agreement dated as of January 2, 2024 and as further amended by that certain Amendment No. 4 to the Stockholders’ Agreement dated as of January 16, 2024 (collectively, as amended, the “Stockholders’ Agreement”);

WHEREAS, pursuant to the Corporation’s Amended and Restated Certificate of Incorporation, as amended, and the Stockholders’ Agreement the Corporation’s Board of Directors (the “Board”) is divided into three classes (Class I, Class II and Class III), which classes are to consist, as nearly as may be possible, of one-third of the total number of directors constituting the Board;

WHEREAS, Section 2.02(a) of the Stockholders’ Agreement provides certain Stockholders with the right under the Stockholders’ Agreement to nominate directors to the Board by class;

WHEREAS, the Corporation and the Stockholders signatory hereto desire to amend Section 2.02(a) of the Stockholders’ Agreement to revise the specific class nomination rights for certain Stockholders to ensure that the Board consist, as nearly as possible, of one-third of the total number of directors as further provided in this Amendment;

WHEREAS, the Corporation and the Stockholders signatory hereto, which constitute Stockholders holding at least two-thirds (2/3) of the shares of Common Stock held by Stockholders at the time of such amendment and each affected Stockholder at the time of such amendment, now desire to amend the Stockholders’ Agreement to effect the modifications thereto contemplated herein; and

WHEREAS, capitalized terms not otherwise defined herein shall have the meanings ascribed to such terms in the Stockholders’ Agreement.

NOW, THEREFORE, in consideration of the premises and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Stockholders’ Agreement is hereby amended as follows:

1.Amendment to Section 2.02(a)(vi) and (viii). Sections 2.02(a)(vi) and (viii) of the Stockholders’ Agreement are hereby amended such that (1) the phrase “nominee for Class I Director” in Section 2.02(a)(vi) shall be deleted and replaced with “nominee for Class II

1

Director”, and (2) the phrase “nominee for Class II Director” in Section 2.02(a)(viii) shall be deleted and replaced with “nominee for Class III Director.”

2.No Other Amendments. Except as expressly modified or amended hereby, the Stockholders’ Agreement is and shall remain in full force and effect. For the avoidance of doubt, Amendment No. 3 to Stockholders’ Agreement (permitting the termination of the Stockholders’ Agreement when the Corporation provides additional liquidity for the Stockholders by listing the Corporation’s shares of common stock on a national securities exchange), and Amendment No. 4 to Stockholders’ Agreement (providing for the automatic termination of the Stockholders’ Agreement immediately upon the closing of the HomeStreet Merger) shall remain in full force and effect and shall not be deemed to be modified pursuant to the Amendment.

3.Governing Law. This Amendment shall be governed by and construed and interpreted in accordance with the laws of the State of Delaware, without regard to conflicts of laws principles.

4.Counterparts. This Amendment may be executed in two or more counterparts, each of which shall be deemed to be an original but all of which together shall constitute one and the same instrument. The execution of this Amendment may be by actual or facsimile signature.

[Signature page follows]

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IN WITNESS WHEREOF, the undersigned have executed this Amendment No. 5 as of the day and year first set forth above.

FIRSTSUN CAPITAL BANCORP

                    By:

                    Name:

                    Title:

EX-10.11

Exhibit 10.20

Restricted Stock Agreement

FirstSun Capital Bancorp
2021 Equity Incentive Plan

Participant: _______________

No. of Shares: _______________

Date of Grant: _______________

This Restricted Stock Agreement (the “Agreement”) evidences the grant to the Participant named above (“you” or “Participant”) of the number of restricted shares set forth above (each, an “Award Share,” and collectively, the “Award Shares”) of the common stock of FirstSun Capital Bancorp, a Delaware corporation (the “Company”) as of the date of grant set forth above (the “Date of Grant”), pursuant to the FirstSun Capital Bancorp 2021 Equity Incentive Plan, as may be amended from time to time (the “Plan”) and conditioned upon your agreement and compliance with the terms set forth below. All of the provisions of the Plan are expressly incorporated into this Agreement.

1.Terminology. Capitalized words used in this Agreement and not defined herein shall have the meaning set forth in the Plan.

2.Vesting.

(a)As of the Date of Grant, all Award Shares are unvested. All Award Shares shall become vested following the Date of Grant, unless vested or forfeited earlier in accordance with this Agreement, as follows:

•One-third (1/3) of Award Shares will vest on the first anniversary of the Date of Grant if the closing of the merger with HomeStreet, Inc. (the “Merger”) has occurred prior to the first anniversary of the Date of Grant; otherwise, if the closing of the Merger occurs after the first anniversary of the Date of Grant, one-third (1/3) of Award Shares will vest on the date of closing of the Merger (rounding down to the next whole Award Share);

•One-third (1/3) of Award Shares will vest on the second anniversary of the Date of Grant (subject to the closing of the Merger) (rounding down to the next whole Award Share); and

•The remainder of Award Shares will vest on the third anniversary of the Date of Grant (subject to the closing of the Merger).

provided that, in each case, except as otherwise specifically provided otherwise in a written agreement between you and the Company, your Continuous Service (as defined in the Plan) does not terminate prior to the applicable vesting date; and

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provided further that, if the merger agreement related to the Merger is terminated for any reason prior to closing of the Merger, all Award Shares shall be forfeited immediately for no consideration due and this Agreement shall immediately terminate.

(b)Notwithstanding anything herein to the contrary, if, prior to the vesting of the Award Shares in accordance with Section 2(a) above, there is a Change of Control, as defined in Section 14 of the Plan, all Award Shares shall become vested upon the earlier of (i) the vesting of the Award Shares in accordance with Section 2(a) above; (ii) the one-year anniversary of such Change of Control; or (iii) the date of termination of your Continuous Service without Cause or by you for Good Reason, in each case, during the one-year period following such Change of Control, provided that, in all cases with respect to 2(b)(i)-(iii) above, the closing of the Merger shall have occurred, and such conditions set forth in 2(b)(i)-(iii) above, if they occur prior to the Merger, shall automatically be extended through the date of the Merger if the Merger closes.

(c)For purposes of this Agreement, “Cause” shall be as set forth in Section 14 of the Plan.

(d)For purposes of this Agreement, “Good Reason” shall have the meaning ascribed to such term in any written agreement between you and the Company defining such term and, in the absence of such agreement, means the occurrence of any of the following events:

(i)a substantial adverse change, not consented to by Participant, in the nature or scope of Participant’s responsibilities, authorities or duties,

(ii)a material involuntary reduction in Participant’s compensation except for an across-the-board and proportional salary reduction similarly affecting all or substantially all employees (provided that the compensation of the Participant shall be increased proportionately at any later time as any other senior executive base salary is thereafter increased), or

(iii)the relocation, without the Participant’s consent, of Participant’s principal place of employment to another location of the Company or any of its wholly-owned subsidiaries outside a 25-mile radius from the location of Participant’s principal place of employment at the time of the Change of Control.

Participant must provide written notice to the Company of the existence of a condition, or conditions, that the Participant believes constitutes Good Reason within thirty (30) days of the initial existence of such condition(s). Upon receipt by the Company of such notice, the Company or its applicable wholly-owned subsidiary will have fifteen (15) days to remedy the condition(s). If the Company or its applicable wholly-owned subsidiary remedies the condition(s) of which it received notice from Participant within fifteen (15) days, then such condition(s) shall not constitute Good Reason. Notwithstanding the foregoing, “Good Reason” shall not include (x) a change in the Participant’s reporting requirements following a Change of Control or (y) a change in the Participant’s title following a Change of Control.

3.Termination of Employment; Performance of Substantial Services. Except for termination of your Continuous Service by the Company (or its applicable wholly-owned subsidiary) (or any of their respective successors) without Cause or by you for Good Reason following such Change of Control as set forth in Section 2(b)(ii), if your Continuous Service with the Company (or its applicable wholly-owned subsidiary) (or any of their respective successors) ceases for any reason, all Award Shares that are not then vested will be immediately and automatically forfeited and cancelled upon the date your Continuous Service terminates. You will be required to perform “substantial services” (within the

2

meaning of the Internal Revenue Code of 1986, as amended, (the “Code”) Section 409A(d)(4)) for the Company (or its applicable wholly-owned subsidiary) (and any applicable successor of the Company or its applicable wholly-owned subsidiary) through the vesting date in order for vesting to occur, if at all, on such date.

4.Restrictions on Transfer.

(a)Until an Award Share becomes vested, you may not sell, pledge, assign or otherwise directly or indirectly dispose of or transfer the Award Shares (whether by operation of law or otherwise) and the Awards Shares shall not be subject to execution, attachment or similar process.

(b)The Company shall not be required to (i) transfer on its books any Award Shares that have been sold or transferred in contravention of this Agreement or (ii) treat as the owner of Award Shares, or otherwise accord voting, dividend or liquidation rights to, any transferee to whom Award Shares have been transferred in contravention of this Agreement.

(c)Upon vesting, an Award Share shall be transferred to you without restrictions on further transfer in accordance with Section 5.

5.Stock Issuance.

(a)The Company shall issue the Award Shares in book entry form, registered in your name with notations regarding the applicable restrictions on transfer imposed under this Agreement; provided, however, that the Company may, in its discretion, elect to issue such shares in certificate form as provided below.

(b)Any certificates representing the Award Shares that may be delivered to you by the Company prior to vesting shall be redelivered to the Company to be held by the Company until the restrictions on such Award Shares have lapsed and the Award Shares shall thereby have become vested or the shares represented thereby have been forfeited hereunder. Such certificates shall bear a legend as contemplated by this Section 5.

(c)Promptly after the vesting of the Award Shares pursuant to this Agreement, the Company shall, as applicable, either remove the notations on any shares issued in book entry form which have vested or deliver to you a certificate or certificates evidencing the number of Award Shares which have vested.

(d)If the Company elects to issue you certificates, you shall be required to execute a stock power, in the form attached as Exhibit A, with respect to the Award Shares. The Company shall not deliver any certificates in accordance with this Agreement unless and until the Company shall have received such stock power executed by you. You, by acceptance of this award, shall be deemed to appoint, and you do so appoint by execution of this Agreement, the Company and each of its authorized representatives as your attorney(s)-in-fact to effect any transfer of unvested forfeited Award Shares (or Award Shares otherwise reacquired by the Company hereunder) to the Company as may be required pursuant to the Plan or this Agreement and to execute such documents as the Company or such representatives deem necessary or advisable in connection with any such transfer.

(e)Until the Award Shares become vested, any share certificates or book entry positions representing such shares will include a legend to the effect that you may sell, pledge, assign or

3

otherwise directly or indirectly dispose of or transfer the Award Shares and the Award Shares are subject to the provisions of this Agreement and the Plan.

6.Taxes: Election and Withholding.

(a)You hereby agree to make adequate provision for foreign, federal, state and local taxes required by law to be withheld, if any, which arise in connection with the grant or vesting of the Award Shares. You may elect, or the Company shall have the right, to deduct from any compensation or any other payment of any kind (including withholding the issuance of Award Shares) due you the amount of any federal, state, local or foreign taxes required by law to be withheld as a result of the grant or vesting of the Award Shares in whole or in part; provided, however, that the value of the Award Shares withheld may not exceed the statutory minimum withholding amount required by law. The Company may report any income to the Internal Revenue Service and any other applicable governmental entity, even if you refuse to make any tax or withholding payments. The value of Award Shares deducted is based on the Fair Market Value of the Award Shares on the applicable date of vesting.

(b)  You hereby acknowledge that you have been advised by the Company to seek independent tax advice from your own advisors regarding the availability and advisability of making an election under Section 83(b) of the Code, and that any such election, if made, must be made within 30 days of the Date of Grant. If you make an election under 83(b) of the Code, you agree to promptly deliver a copy of such election to the Company. You expressly acknowledge that you are solely responsible for filing any such Section 83(b) election with the appropriate governmental authorities, irrespective of the fact that such election is also delivered to the Company. You may not rely on the Company or any of its officers, directors or employees for tax or legal advice regarding this award.

7.Required Forfeitures and Clawbacks. Each Award Share is conditioned on your forfeiting, waiving, or repaying to the Company any amount or Award Share as may be required in compliance with Section 304 of the Sarbanes-Oxley Act, Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and the Company’s clawback compliance policy as in effect from time to time and as directed by the Administrator. You agree to execute any documents to effect any required forfeiture, waiver or clawback. You agree to assign any Award Shares to the Company or pay any cash amount in lieu thereof as may be required for such compliance.

8.Rights as Shareholder. Except as otherwise provided in this Agreement with respect to the Award Shares which have not vested, you are not entitled to any rights of a shareholder of the Company, including the right to vote the Award Shares (subject to any applicable Voting Agreement or similar arrangement to which you may be a party) and receive dividends and/or other distributions declared on the Award Shares until such Award Shares are vested.

9.The Company’s Rights. The existence of the Award Shares shall not affect in any way the right or power of the Company or its shareholders to make or authorize any or all adjustments, recapitalizations, reorganizations or other changes in the Company’s capital structure or its business, or any merger or consolidation of the Company, or any issue of bonds, debentures, preferred or other stocks with preference ahead of or convertible into, or otherwise affecting the Shares or the rights thereof, or the dissolution or liquidation of the Company, or any sale or transfer of all or any part of the Company’s assets or business, or any other corporate act or proceeding, whether of a similar character or otherwise.

10.Non-Guarantee of Employment or Service Relationship. Nothing in the Plan or this Agreement shall alter your at-will or other employment status or other service relationship with the

4

Company or its applicable wholly-owned subsidiary, nor be construed as a contract of employment or service relationship between the Company or its applicable wholly-owned subsidiary and you, or as a contractual right of you to continue in the employ of, or in a service relationship with, the Company for any period of time, or as a limitation of the right of the Company or its applicable wholly-owned subsidiary to discharge you at any time with or without cause or notice and whether or not such discharge results in the forfeiture of any Award Shares or any other adverse effect on your interests under the Plan.

11.Successors.

(a)This Agreement is personal to the Participant and without the prior written consent of the Company shall not be assignable by the Participant.

(b)This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns.

(c)The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business and/or assets of the Company to assume expressly and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform it if no such succession had taken place. As used in this Agreement, “the Bank” shall mean Sunflower Bank, which is also a wholly owned subsidiary of the Company, as hereinbefore defined and any successor to its business and/or assets as aforesaid which assumes and agrees to perform this Agreement by operation of law, or otherwise. As used in this Agreement, “the Company” shall mean FirstSun Capital Bancorp as hereinbefore defined and any successor to its business and/or assets as aforesaid which assumes and agrees to perform this Agreement by operation of law, or otherwise.

12.Miscellaneous.

(a)Notices. All notices and other communications made or given pursuant to this Agreement shall be in writing and shall be sufficiently made or given if hand delivered, mailed by certified mail, transmitted by facsimile or email, addressed to you at the address contained in the records of the Company, or addressed to the Administrator, care of the Company for the attention of its Corporate Secretary at its principal executive office.

(b)Entire Agreement. This Agreement, together with the Plan, contains the entire agreement between the parties with respect to the Award Shares granted hereunder. Any oral or written agreements, representations, warranties, written inducements, or other communications made prior to the execution of this Agreement with respect to the Award Shares granted hereunder shall be void and ineffective for all purposes.

(c)Severability. If one or more provisions of this Agreement are held to be unenforceable under applicable law, the parties agree to renegotiate such provision in good faith. In the event that the parties cannot reach a mutually agreeable and enforceable replacement for such provision, then (i) such provision shall be excluded from this Agreement, (ii) the balance of the Agreement shall be interpreted as if such provision were so excluded and (iii) the balance of the Agreement shall be enforceable in accordance with its terms.

(d)Amendment. This Agreement may be amended from time to time by the Administrator in its discretion; provided, however, that this Agreement may not be modified in a manner that would have an adverse effect on the Award Shares as determined in the discretion of the

5

Administrator, except as provided in the Plan or in a written document signed by each of the parties hereto.

(e)Conformity with Plan. This Agreement is intended to conform in all respects with, and is subject to all applicable provisions of, the Plan. Inconsistencies between this Agreement and the Plan shall be resolved in accordance with the terms of this Agreement. A copy of the Plan has beenprovided to you.

(f)Governing Law. The validity, construction and effect of this Agreement, and of any determinations or decisions made by the Administrator relating to this Agreement, and the rights of any and all persons having or claiming to have any interest under this Agreement, shall be determined exclusively in accordance with the laws of the State of Delaware, without regard to its provisions concerning the applicability of laws of other jurisdictions.

(g)Captions. The captions (i.e., all section headings) used in this Agreement are for convenience only and shall not be deemed to limit, characterize or affect in any way any provisions of the Agreement.

(h)Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

The Parties’ Signatures are Contained on the Following Page.

6

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed by its duly authorized officer.

    FIRSTSUN CAPITAL BANCORP

        By:

        Name:

        Title:

    Date:

    The undersigned hereby acknowledges that he/she has carefully read this Agreement and agrees to be bound by all of the provisions set forth herein.

    PARTICIPANT

    Name:

    Date:

    Address:

    Facsimile:

Enclosure: FirstSun Capital Bancorp 2021 Equity Incentive Plan, as amended

7

{This Stock Power should be signed in blank and deposited with the Company if share certificates are issued and/or delivered to the Participant for Award Shares that are forfeitable.}

STOCK POWER

    FOR VALUE RECEIVED, the undersigned, ___________________________, hereby sells, assigns and transfers unto FirstSun Capital Bancorp, a Delaware corporation (the “Company”), or its successor, _________ shares of restricted common stock of the Company standing in my name on the books of the Company, represented by Certificate No. ___, which is attached hereto, and hereby irrevocably constitutes and appoints ______________________________ as my attorney-in-fact to transfer the said stock on the books of the Company with full power of substitution in the premises.

    This Stock Power may only be used in connection with the forfeiture of Award Shares pursuant to that certain Restricted Stock Agreement between ____________ and the Company, dated ______________.

                            ____________________________________

                            Name:

                            Dated: ______________________________

IF YOU WISH TO MAKE A SECTION 83(B) ELECTION, THE FILING OF SUCH ELECTION IS YOUR RESPONSIBILITY.

YOU MUST FILE THIS FORM WITHIN 30 DAYS OF THE DATE OF GRANT OF THE SHARES.

YOU (AND NOT THE COMPANY OR ANY OF ITS AGENTS) SHALL BE SOLELY RESPONSIBLE FOR FILING SUCH FORM WITH THE IRS, EVEN IF YOU REQUEST THE COMPANY OR ITS AGENTS TO MAKE THIS FILING ON YOUR BEHALF AND EVEN IF THE COMPANY OR ITS AGENTS HAVE PREVIOUSLY MADE THIS FILING ON YOUR BEHALF.

EX-21.1

Exhibit 21.1

SUBSIDIARIES OF FIRSTSUN CAPITAL BANCORP

Parent	Subsidiary	Percentage of Ownership	State of Incorporation or Organization
FirstSun Capital Bancorp	Sunflower Bank, National Association	100%	United States
Sunflower Bank, National Association	Sunflower Agency, Inc.	100%	Kansas
Sunflower Bank, National Association	Sunflower Holdings, Inc.	100%	Kansas
Sunflower Bank, National Association	Sunflower Public Finance, LLC	100%	Colorado
Sunflower Bank, National Association	SPHC, LLC	100%	Kansas
Sunflower Bank, National Association	Crockett Building Group, Inc.	100%	Texas
FirstSun Capital Bancorp	Logia Portfolio Management, LLC	100%	Kansas
FirstSun Capital Bancorp	FEIF Capital Partners, LLC	100%	Delaware
FEIF Capital Partners, LLC	FEIF GP LLC	100%	Delaware
FirstSun Capital Bancorp	New Mexico Banquest Capital Trust I	100%	Delaware
FirstSun Capital Bancorp	New Mexico Banquest Capital Trust II	100%	Delaware

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement on Form S-8 (No 333-258176 and No 333-261809) and on Form S-3 (No 333-275054 and No 333-275055) of FirstSun Capital Bancorp of our report dated March 7, 2024 relating to the financial statements, appearing in this Annual Report on Form 10-K.

/s/ Crowe LLP

Crowe LLP

Dallas, Texas

March 7, 2024

EX-31.1

Exhibit 31.1

Rule 13a-14(a)/15d-14(a) Certification of the Principal Executive Officer

I, Neal E. Arnold, certify that:

1. I have reviewed this annual report on Form 10-K of FirstSun Capital Bancorp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: March 7, 2024

/s/ Neal E. Arnold

_____________________________________

Neal E. Arnold, President and Chief Executive Officer

Principal Executive Officer

EX-31.2

Exhibit 31.2

Rule 13a-14(a)/15d-14(a) Certification of the Principal Financial Officer

I, Robert A. Cafera, Jr., certify that:

1. I have reviewed this annual report on Form 10-K of FirstSun Capital Bancorp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: March 7, 2024

/s/ Robert A. Cafera, Jr.

_____________________________________

Robert A. Cafera, Jr., Chief Financial Officer

Principal Financial Officer and Principal Accounting Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Neal E. Arnold, the President and Chief Executive Officer of FirstSun Capital Bancorp (the “Company”), hereby certify in my capacity as an executive officer of the Company that, to my knowledge:

1. The annual report of the Company on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on this date (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 7, 2024

                        /s/ Neal E. Arnold

                        ________________________________

                        Neal E. Arnold

                        President and Chief Executive Officer

                        (Principal Executive Officer)

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Robert A. Cafera, Jr., the Executive Vice President and Chief Financial Officer of FirstSun Capital Bancorp (the “Company”), hereby certify in my capacity as an executive officer of the Company that, to my knowledge:

1. The annual report of the Company on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on this date (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 7, 2024

                        /s/ Robert A. Cafera, Jr.

________________________________

                        Robert A. Cafera, Jr.

                        Executive Vice President and Chief Financial Officer

                        (Principal Financial Officer and Principal Accounting Officer)

XML

Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 06, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	333-258176
Entity Registrant Name	FIRSTSUN CAPITAL BANCORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	81-4552413
Entity Address, Address Line One	1400 16th Street
Entity Address, Address Line Two	Suite 250
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
City Area Code	303
Local Phone Number	831-6704
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction Flag	false
Entity Shell Company	false
Entity Public Float			$ 212,900,000
Entity Common Stock, Shares Outstanding		27,430,682
Entity Central Index Key	0001709442
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false

XML

Audit Information	12 Months Ended
	Dec. 31, 2023
Audit Information [Abstract]
Auditor Name	Crowe LLP
Auditor Location	Dallas, Texas
Auditor Firm ID	173

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 479,362	$ 343,526
Securities available-for-sale, at fair value	516,757	536,973
Securities held-to-maturity, fair value of $32,181 and $33,218, respectively	36,983	38,901
Loans held-for-sale, at fair value	54,212	57,323
Loans, net of allowance for credit losses of $80,398 and $65,917, respectively	6,186,698	5,845,915
Mortgage servicing rights, at fair value	76,701	74,097
Premises and equipment, net	84,842	88,114
Other real estate owned and foreclosed assets, net	4,100	6,358
Bank-owned life insurance	79,851	77,923
Restricted equity securities	38,072	50,215
Goodwill	93,483	93,483
Core deposits and other intangible assets, net	10,984	15,806
Accrued interest receivable	37,099	28,543
Deferred tax assets, net	46,259	48,355
Prepaid expenses and other assets	134,321	124,790
Total assets	7,879,724	7,430,322
Deposits:
Noninterest-bearing accounts	1,530,506	1,820,490
Interest-bearing accounts	4,843,597	3,944,572
Total deposits	6,374,103	5,765,062
Securities sold under agreements to repurchase	24,693	36,721
Federal Home Loan Bank advances	389,468	643,885
Convertible notes payable, net	0	5,355
Subordinated debt, net	75,313	74,880
Accrued interest payable	13,580	5,798
Accrued expenses and other liabilities	125,370	124,085
Total liabilities	7,002,527	6,655,786
Commitments and contingencies (Note 24)
Stockholders’ equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued or outstanding, respectively	0	0
Common stock, $0.0001 par value; 50,000,000 shares authorized; 24,960,639 and 24,920,984 shares issued; 24,960,639 and 24,920,984 shares outstanding, respectively	2	2
Additional paid-in capital	462,680	460,720
Retained earnings	457,522	357,797
Accumulated other comprehensive loss, net	(43,007)	(43,983)
Total stockholders’ equity	877,197	774,536
Total liabilities and stockholders’ equity	$ 7,879,724	$ 7,430,322

XML

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Securities held-to-maturity, fair value	$ 32,181	$ 33,218
Loans, allowance for credit losses	$ 80,398	$ 65,917	$ 47,547	$ 47,766
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	24,960,639	24,920,984
Common stock, shares outstanding (in shares)	24,960,639	24,920,984

XML

Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest and fee income on loans:
Taxable	$ 366,523	$ 228,967	$ 137,669
Tax exempt	19,114	19,021	21,634
Interest and dividend income on securities:
Taxable	17,014	13,176	7,964
Tax exempt	18	9	15
Other interest income	11,015	5,644	2,072
Total interest income	413,684	266,817	169,354
Interest expense:
Interest expense on deposits	101,355	13,154	8,544
Interest expense on securities sold under agreements to repurchase	225	119	59
Interest expense on other borrowed funds	18,673	11,912	5,518
Total interest expense	120,253	25,185	14,121
Net interest income	293,431	241,632	155,233
Provision for credit losses	18,247	18,050	3,000
Net interest income after credit loss expense	275,184	223,582	152,233
Noninterest income:
Service charges on deposit accounts	21,345	18,211	12,504
Credit and debit card fees	12,000	11,511	9,596
Trust and investment advisory fees	5,693	6,806	7,795
Income from mortgage banking services, net	31,384	46,285	86,410
(Loss) gain on other real estate owned and foreclosed assets activity, net	(106)	164	766
Other noninterest income	8,776	6,589	7,173
Total noninterest income	79,092	89,566	124,244
Noninterest expense:
Salary and employee benefits	133,231	134,359	151,926
Occupancy and equipment	33,426	31,344	27,628
Amortization of intangible assets	4,822	4,215	1,417
Merger related expenses	0	18,751	3,085
Other noninterest expenses	51,314	50,457	40,579
Total noninterest expense	222,793	239,126	224,635
Income (loss) before income taxes	131,483	74,022	51,842
Provision for income taxes	27,950	14,840	8,678
Net income	103,533	59,182	43,164
Other comprehensive income, net of tax:
Gain (loss) on securities available-for-sale	758	(47,821)	(7,455)
Gain on fair value hedges of securities available-for-sale	218	2,174	0
Other comprehensive income (loss), net of tax	976	(45,647)	(7,455)
Comprehensive income	104,509	13,535	35,709
Earnings per share:
Net income available to common stockholders, basic	103,533	59,182	43,164
Net income available to common stockholders, diluted	$ 103,533	$ 59,182	$ 43,164
Basic (in dollars per share)	$ 4.15	$ 2.55	$ 2.36
Diluted (in dollars per share)	$ 4.08	$ 2.48	$ 2.30

XML

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative effect of accounting change	Adjusted beginning balance	Common stock	Common stock Adjusted beginning balance	Additional paid-in capital	Additional paid-in capital Adjusted beginning balance	Treasury stock	Treasury stock Adjusted beginning balance	Retained earnings	Retained earnings Cumulative effect of accounting change	Retained earnings Adjusted beginning balance	Accumulated other comprehensive income (loss)	Accumulated other comprehensive income (loss) Adjusted beginning balance
Balance, beginning of period (in shares) at Dec. 31, 2020				19,878,713
Balance, beginning of period at Dec. 31, 2020	$ 485,787			$ 2		$ 259,363		$ (38,148)		$ 255,451			$ 9,119
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock on restricted stock grants (in shares)				24,629
Issuance of common stock on restricted stock grants	812					812
Share-based compensation, net of forfeitures	1,730					1,730
Net income	43,164									43,164
Other comprehensive (loss) income	(7,455)												(7,455)
Balance, end of period (in shares) at Dec. 31, 2021				19,903,342
Balance, ending of period at Dec. 31, 2021	$ 524,038			$ 2		261,905		(38,148)		298,615			1,664
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Merger with Pioneer Bancshares, Inc. (issuance of treasury stock shares) (in shares)	1,557,054			4,910,412
Merger with Pioneer Bancshares, Inc. (issuance of treasury stock shares)	$ 236,094					197,946		38,148
Issuance of common stock on restricted stock grants (in shares)				11,344
Issuance of common stock on restricted stock grants	$ 270					270
Stock option exercises (in shares)	104,985			95,886
Stock option exercises	$ (579)					(579)
Share-based compensation, net of forfeitures	1,178					1,178
Net income	59,182									59,182
Other comprehensive (loss) income	$ (45,647)												(45,647)
Balance, end of period (in shares) at Dec. 31, 2022	24,920,984			24,920,984	24,920,984
Balance, ending of period at Dec. 31, 2022	$ 774,536	$ (3,808)	$ 770,728	$ 2	$ 2	460,720	$ 460,720	0	$ 0	357,797	$ (3,808)	$ 353,989	(43,983)	$ (43,983)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13
Merger with Pioneer Bancshares, Inc. (issuance of treasury stock shares) (in shares)	0
Issuance of common stock on restricted stock grants (in shares)				15,007
Issuance of common stock on restricted stock grants	$ 371					371
Stock option exercises (in shares)	62,915			24,648
Stock option exercises	$ (167)					(167)
Share-based compensation, net of forfeitures	1,756					1,756
Net income	103,533									103,533
Other comprehensive (loss) income	$ 976												976
Balance, end of period (in shares) at Dec. 31, 2023	24,960,639			24,960,639
Balance, ending of period at Dec. 31, 2023	$ 877,197			$ 2		$ 462,680		$ 0		$ 457,522			$ (43,007)

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Consolidated Statements of Stockholders' Equity (Parentheticals)	12 Months Ended
	Dec. 31, 2022 shares
Statement of Stockholders' Equity [Abstract]
Merger with Pioneer Bancshares, Inc. (issuance of treasury stock shares) (in shares)	1,557,054

XML

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 103,533,000	$ 59,182,000	$ 43,164,000
Adjustments to reconcile income to net cash provided by operating activities:
Provision for credit losses	18,247,000	18,050,000	3,000,000
Depreciation and amortization on premises and equipment	7,420,000	7,953,000	7,181,000
Deferred tax expense	3,012,000	9,203,000	3,145,000
Amortization of net premium on securities	1,004,000	2,076,000	3,399,000
Accretion of net discount on acquired loans	(3,204,000)	(1,308,000)	(1,142,000)
Net change in deferred loan origination fees and costs	(1,178,000)	1,182,000	617,000
Amortization of core deposits and other intangible assets	4,822,000	4,215,000	1,417,000
Amortization of premium on acquired deposits	(966,000)	(1,052,000)	(45,000)
Accretion of discount on subordinated debt	286,000	254,000	256,000
Amortization of issuance costs on subordinated debt	147,000	145,000	93,000
Accretion of discount on convertible notes payable	101,000	1,131,000	746,000
Accretion of discount on Federal Home Loan Bank advances	0	76,000	0
Increase in cash surrender value of bank-owned life insurance	(1,928,000)	(1,682,000)	(1,276,000)
Impairment of premises and equipment	0	720,000	0
Impairment of other real estate owned and foreclosed assets	286,000	94,000	217,000
Federal Home Loan Bank stock dividends	(1,560,000)	(712,000)	(407,000)
Share-based compensation expense	2,127,000	1,448,000	2,998,000
Decrease (increase) in fair value of mortgage servicing rights	6,649,000	(12,418,000)	5,606,000
Net loss on sales of loans held-for-investment	0	0	701,000
Net loss on disposal of premises and equipment	120,000	86,000	76,000
Net loss (gain) on other real estate owned and foreclosed assets activity	106,000	(164,000)	(824,000)
Net gain on sales of loans held-for-sale	(3,491,000)	(11,782,000)	(61,403,000)
Origination of loans held-for-sale	(791,017,000)	(1,090,759,000)	(2,165,255,000)
Proceeds from sales of loans held-for-sale	788,367,000	1,137,793,000	2,292,828,000
Changes in operating assets and liabilities:
Lease right-of-use assets	(660,000)	3,282,000	0
Accrued interest receivable	(8,556,000)	(9,835,000)	655,000
Prepaid expenses and other assets	(11,397,000)	(22,992,000)	(6,769,000)
Accrued interest payable	7,782,000	3,022,000	(223,000)
Accrued expenses and other liabilities	5,124,000	(293,000)	(15,646,000)
Net cash provided by (used in) operating activities	125,176,000	96,915,000	113,109,000
Cash flows from investing activities:
Cash acquired in excess of cash paid in connection with Pioneer Merger	0	444,542,000	0
Purchases of held-to-maturity securities	0	(335,000)	0
Proceeds from maturities of held-to-maturity securities	2,007,000	3,626,000	13,835,000
Purchases of available-for-sale securities	(21,555,000)	(66,606,000)	(248,736,000)
Proceeds from sale or maturities of available-for-sale securities	41,669,000	170,410,000	131,899,000
Loan originations, net of repayments	(362,778,000)	(1,064,293,000)	(215,281,000)
Proceeds from the sale of loans held-for-sale previously classified as held-for-investment	0	0	18,544,000
Purchases of premises and equipment	(4,268,000)	(2,196,000)	(3,455,000)
Proceeds from the sale of premises and equipment	0	2,000	5,000
Proceeds from sales of other real estate owned and foreclosed assets	5,952,000	867,000	2,089,000
Purchases of restricted equity securities	(51,076,000)	(39,785,000)	(57,000)
Proceeds from the sale or redemption of restricted equity securities	64,779,000	15,842,000	7,400,000
Purchase of other investments	(2,677,000)	(939,000)	(686,000)
Proceeds from the sale or redemption of other investments	668,000	745,000	519,000
Net cash used in investing activities	(327,279,000)	(538,120,000)	(293,924,000)
Cash flows from financing activities:
Net change in deposits	610,007,000	(280,914,000)	701,444,000
Net change in securities sold under agreements to repurchase	(12,028,000)	(55,372,000)	(23,278,000)
Proceeds from Federal Home Loan Bank advances	2,041,468,000	760,885,000	0
Repayments of Federal Home Loan Bank advances	(2,295,885,000)	(317,000,000)	(30,411,000)
Proceeds from subordinated debt, net	0	24,466,000	0
Proceeds from issuance of common stock, net of issuance costs	(167,000)	(579,000)	(456,000)
Repayments of convertible notes payable	(5,456,000)	(15,217,000)	0
Net cash provided by financing activities	337,939,000	116,269,000	647,299,000
Net increase (decrease) in cash and cash equivalents	135,836,000	(324,936,000)	466,484,000
Cash and cash equivalents, beginning of period	343,526,000	668,462,000	201,978,000
Cash and cash equivalents, end of period	479,362,000	343,526,000	668,462,000
Supplemental disclosures of cash flow information:
Interest paid on deposits	92,085,000	12,040,000	8,753,000
Interest paid on borrowed funds	20,459,000	14,118,000	5,667,000
Cash paid for income taxes, net	28,459,000	6,183,000	6,601,000
Non-cash investing and financing activities:
Assets acquired from merger with Pioneer Bancshares, Inc.	0	1,085,506,000	0
Liabilities assumed from merger with Pioneer Bancshares, Inc.	0	1,354,387,000	0
Right-of-use lease assets obtained in exchange for lessee operating lease liabilities	2,696,000	35,212,000	0
Net change in unrealized loss on available-for-sale securities and unrealized gain on fair value hedges of securities available-for-sale	1,291,000	(45,647,000)	(9,870,000)
Loan charge-offs	9,672,000	2,587,000	4,861,000
Premises and equipment transferred to other real estate owned and foreclosed assets	0	338,000	1,038,000
Loans transferred to other real estate owned and foreclosed assets	4,086,000	1,331,000	2,577,000
Mortgage servicing rights resulting from sale or securitization of mortgage loans	$ 9,253,000	$ 14,287,000	$ 23,854,000

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Basis of Presentation, Description of Business and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies

a.Principles of Consolidation - The consolidated financial statements include the accounts of FirstSun Capital Bancorp (“FirstSun” or “Parent Company”) and its wholly-owned subsidiaries, Sunflower Bank, N.A. (the “Bank”), Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC, and have been prepared using U.S. generally accepted accounting principles (“U.S. GAAP”) and prevailing practices in the banking industry. All significant intercompany balances and transactions have been eliminated. These entities are collectively referred to as “our”, “us”, “we”, or “the Company”.

b.Nature of Operations - The Bank’s headquarters were relocated to Dallas, Texas from Denver, Colorado in 2023. The Bank primarily operates throughout Texas, Kansas, Colorado, New Mexico and Arizona providing a full range of commercial and consumer banking and financial services to small and medium-sized companies. Its primary deposit products are checking, savings and term certificate accounts. Its primary wealth management and trust products are personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. Its primary lending products are residential mortgage, commercial and consumer loans. Substantially all loans are secured by specific items of collateral, including business assets, consumer assets, and commercial and residential real estate. Commercial and industrial loans are generally expected to be repaid from the borrower’s cash flow from operations.

c.Business Combinations - On April 1, 2022, FirstSun completed its merger with Pioneer Bancshares, Inc. (“Pioneer”). Pursuant to the terms of the merger agreement, at the Effective Time, each Pioneer shareholder had the right to receive 1.0443 shares of FirstSun common stock, for each share of Pioneer common stock owned by the shareholder, with cash paid in lieu of fractional shares. Each outstanding share of FirstSun common stock remained outstanding and was unaffected by the merger. Further information is presented in Note 2 - Merger with Pioneer Bancshares, Inc. On January 16, 2024, we announced a proposed merger with HomeStreet, Inc. For additional information regarding our proposed merger with HomeStreet, Inc. see Note 27 - Subsequent Events.

d.Subsequent Events - We evaluate events occurring subsequent to the balance sheet date to determine whether the events required recognition or disclosure in the financial statements. If conditions of a subsequent event existed as of the balance sheet date, depending on materiality, the effects may be required to be recognized and disclosed in the financial statements. If conditions of a subsequent event arose after the balance sheet date, the effects are not required to be recognized in the financial statements, but depending on materiality, may need to be disclosed in the financial statements.

e.Use of Estimates - The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions based on available information. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

These estimates are based on historical experience and on various assumptions about the future that are believed to be reasonable based on all available information. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to critical accounting policies. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

f.Concentration of Credit Risk - We have a significant concentration in residential real estate and commercial and industrial loans within Texas, Kansas, Colorado, New Mexico and Arizona. When necessary, we perform credit evaluations on our customers' financial condition and often request additional guarantees and forms of collateral from our customers. These financial evaluations require significant judgment and are based on a variety of factors including, but not limited to, current economic trends, historical payment patterns, cash flow needs and deposit balances (particularly in light of recent developments in the banking industry) and bad debt write-off experience. Declines in the local or statewide economies could have an adverse impact on our borrowers’ financial condition. Specifically, inflation and higher interest rates, along with monetary events, can cause some of our business customers who have greater operating cash needs to draw on their deposits with us to meet expenses. Adverse developments affecting real estate values in one or more of our markets could increase our credit risk associated with our loan portfolio. Additionally, if loans are not repaid according to their terms, the collateral securing the loans, in those cases where real estate serves as the primary collateral, may not have value equal to the amounts owed under the loan. We did not exceed regulatory concentration monitoring levels as of December 31, 2023 or 2022.

g.Reclassifications - Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior years net income or stockholders’ equity.

h.Adoption of New Accounting Standards and Change in Accounting Principle - As an “emerging growth company” under Section 107 of the JOBS Act, we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, we can delay the adoption of certain accounting standards until those standards would otherwise apply to non-public business entities. We intend to take advantage of the benefits of this extended transition period for an “emerging growth company” for as long as it is available to us. For standards that we have delayed adoption, we may lack comparability to other companies who have adopted such standards.

In June of 2016, the FASB issued ASU 2016-13, Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments, which significantly changes the way that entities are required to measure credit losses. The new standard requires that the estimated credit loss be based upon an “expected credit loss” approach rather than the “incurred loss” approach previously required. The new approach requires entities to measure all expected credit losses for financial assets over their expected lives based on historical experience, current conditions, and reasonable and supportable forecasts of collectability. The expected credit loss model requires earlier recognition of credit losses than the incurred loss approach. We expect ongoing changes in the allowance for credit losses will be driven primarily by the growth of our loan portfolio, credit quality, and the economic environment and related projections at that time. In addition, the ASU developed a new accounting treatment for purchased financial assets with credit deterioration.

The ASU also modifies the other-than-temporary impairment model for available-for-sale debt securities and held-to-maturity debt securities by requiring companies to record an allowance for credit impairment rather than write-downs of such assets.

Management has reviewed this update and other ASUs that were subsequently issued to further clarify the implementation guidance outlined in ASU 2016-13. We adopted the amendments of these ASUs as of January 1, 2023.

Upon adoption, we recorded an increase to the allowance for credit losses on loans held-for-investment of $5.3 million, a reduction in the allowance for credit losses on unfunded commitments of $0.2 million, an increase to deferred tax assets of $1.2 million, and a corresponding one-time cumulative reduction to retained earnings, net of tax, of $3.8 million in the consolidated balance sheet as of January 1, 2023.

The adoption of this ASU, as it relates to available-for-sale debt securities and held-to-maturity debt securities, did not have a material impact on the consolidated financial statements as of January 1, 2023.

In March of 2022, the FASB issued ASU 2022-02, Financial Instruments - Credit Losses: Troubled Debt Restructurings and Vintage Disclosures, which eliminates the accounting for troubled debt restructurings by creditors while enhancing the disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty. The amendment also requires disclosure of gross charge-offs by year of origination for finance receivables. We adopted the amendments in this ASU as of January 1, 2023 prospectively.

As a result of the adoption of ASU 2016-13 and ASU 2022-02, several of our significant accounting policies have changed as of January 1, 2023 to reflect the requirements of the new standard.

i.Fair Value Measurement - Fair value is determined in accordance with Accounting Standards Codification (ASC) Topic 820, Fair Value Measurement. ASC Topic 820 establishes a fair value hierarchy which requires the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 describes three levels of inputs that may be used to measure fair value:

Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

Level 3: Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity’s own beliefs about the assumptions that market participants would use in pricing the assets or liabilities.

j.Cash and Cash Equivalents - Cash and cash equivalents include cash, cash items in process of collection, deposits with other financial institutions and federal funds sold. For purposes of the consolidated statements of cash flows, we consider all federal funds sold and interest-bearing deposits at other financial institutions to be cash and cash equivalents, all with original maturities of less than 90 days. Cash held at depository institutions at times may be in excess of the Federal Deposit Insurance Corporation (FDIC) insurance limit. Cash deposits are with financial institutions that we believe to be reputable and we do not anticipate realizing any losses from these cash deposits. As of December 31, 2023 and 2022, we have complied with all regulatory cash reserve and clearing requirements. Cash and cash equivalents were as follows as of December 31,:

	2023		2022
Federal Reserve Bank	$	437,855	$	247,015
Federal Home Loan Bank	1,173		1,335
Other	10,870		8,799
Total cash due from depository institutions	449,898		257,149
Cash on hand and noninterest-bearing accounts	29,464		86,377
Total cash and cash equivalents	$	479,362	$	343,526

k.Securities - The Bank classifies debt securities as either available-for-sale or held-to-maturity. Held-to-maturity securities are those which the Bank has the positive intent and ability to hold to maturity. All other debt securities are classified as available-for-sale.

Held-to-maturity securities are recorded at amortized cost. Available-for-sale securities are recorded at fair value. Unrealized holding gains and losses on available-for-sale securities are excluded from earnings and are reported as a separate component of stockholders’ equity (accumulated other comprehensive income/loss) until realized. Realized gains and losses on securities classified as available-for-sale are included in earnings and recorded on trade date. The specific identification method is used to determine the cost of the securities sold.

Purchased premiums and discounts on debt securities are amortized or accreted into interest income using the yield-to-maturity method based upon the remaining contractual maturity of the asset, adjusted for any expected prepayments or call features for securities purchased at a premium.

For available-for-sale debt securities in an unrealized loss position, management first assesses whether it intends to sell, or it is more likely than not that it will be required to sell, the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is

written down to fair value. Any previously recognized allowance for credit losses (“ACL”) should be written off and the write-down in excess of such ACL would be recorded through a charge to the provision for credit losses. For available-for-sale debt securities that do not meet the aforementioned criteria, management evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the cash position of the issuer and its cash and capital generation capacity, which could increase or diminish the issuer’s ability to repay its bond obligations, the extent to which the fair value is less than the amortized cost basis, any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information about the financial condition of the issuer, credit ratings, the failure of the issuer to make scheduled principal or interest payments, recent legislation and government actions affecting the issuer’s industry, and actions taken by the issuer to deal with the economic climate. Management also takes into consideration changes in the near-term prospects of the underlying collateral of a security, if any, such as changes in default rates, loss severity given default, and significant changes in prepayment assumptions and the level of cash flow generated from the underlying collateral, if any, supporting the principal and interest payments on the debt securities. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security is compared to the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and management records an ACL for the credit loss, limited to the amount by which the fair value is less than the amortized cost basis. Management recognizes in accumulated other comprehensive income/loss (“AOCI”) any impairment that has not been recorded through an ACL, net of tax. Non-credit-related impairments result from other factors, including changes in interest rates.

Management records changes in the ACL as a provision for (or reversal of) credit loss expense. Losses are charged against the allowance when management believes the uncollectibility of an available-for-sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Management has elected not to measure an ACL on accrued interest related to available-for-sale debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

The ACL on held-to-maturity debt securities is based on an expected loss methodology referred to as current expected credit loss (“CECL”) methodology by major security type. Any expected credit loss is provided through the ACL on held-to-maturity debt securities and is deducted from the amortized cost basis of the security so the statement of financial condition reflects the net amount management expects to collect. For the ACL of held-to-maturity securities, management considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts.

Management has elected not to measure an ACL on accrued interest related to held-to-maturity debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

Equity securities are carried at fair value, with changes in fair values reported in net income. Equity securities without readily determinable fair values are carried at cost, minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment. Equity securities are included as a component of “prepaid expenses and other assets” in our consolidated balance sheets.

l.Loans Held-for-sale - Mortgage loans originated and intended for sale in the secondary market are classified as loans held-for-sale and recorded at fair value. Most of these loans are sold with servicing rights retained. The changes in fair value of loans held-for-sale are measured and recorded in income from mortgage banking services. Loan origination fees are recorded in the period of origination.

m.Loans Receivable - Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff, are reported at the principal balance outstanding, net of purchase premiums and discounts, deferred loan fees and costs, and an allowance for credit losses.

Interest on loans receivable is accrued and credited to income based upon the principal amount outstanding using primarily a simple interest calculation. Loan origination fees and related direct loan origination costs for a given loan are offset and only the net amount is deferred and amortized and recognized in interest income over the life of the loan using the interest method without anticipating prepayments. The accrual of interest income on loans is discontinued when, in management’s judgment, the interest is uncollectible in the normal course of business, and a loan is moved to nonaccrual status in accordance with the Bank’s policy, typically after 90 or 120 days of non-payment, as follows: interest income on consumer, commercial real estate and commercial and industrial loans is typically discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in the process

of collection; interest income on residential real estate loans is typically discontinued at the time the loan is 120 days delinquent unless the loan is well-secured and in the process of collection. Consumer and credit card loans are typically charged off no later than 120 days past due. Past due status is based on the contractual terms of the loan. In all cases, loans are placed on nonaccrual or charged-off at an earlier date if collection of principal or interest in full is considered doubtful. Nonaccrual loans and loans past due 90 days still on accrual include both smaller homogenous loans that are collectively evaluated for impairment and individually classified impaired loans.

When discontinued, all unpaid interest is reversed. Interest is included in income after the date the loan is placed on nonaccrual status only after all principal has been paid or when the loan is returned to accrual status. The loan is returned to accrual status only when the borrower has brought all past-due principal and interest payments current and, in the opinion of management, has demonstrated the ability to make future payments of principal and interest as scheduled.

Acquired Loans – Loans acquired through a purchase or a business combination are recorded at their fair value as of the acquisition date. Management performs an assessment of acquired loans to first determine if such loans have experienced a more than insignificant deterioration in credit quality since their origination and thus should be classified and accounted for as purchased credit deteriorated (“PCD”) loans. For loans that have not experienced a more than insignificant deterioration in credit quality since origination, referred to as non-PCD loans, management records such loans at fair value, with any resulting discount or premium accreted or amortized into interest income over the remaining life of the loan using the interest method. Additionally, upon the purchase or acquisition of non-PCD loans, management measures and records an ACL based on the Bank’s methodology for determining the ACL. The ACL for non-PCD loans is recorded through a charge to the provision for credit losses in the period in which the loans are purchased or acquired.

Acquired loans that are classified as PCD are recognized at fair value, which includes any premiums or discounts resulting from the difference between the initial amortized cost basis and the par value. Premiums and non-credit loss related discounts are amortized or accreted into interest income over the remaining life of the loan using the interest method. Unlike non-PCD loans, the initial ACL for PCD loans is established through an adjustment to the acquired loan balance and not through a charge to the provision for credit losses in the period in which the loans are acquired. At acquisition, the ACL for PCD loans, which represents the fair value credit discount, is determined using a discounted cash flow method that considers the probability of default and loss-given default used in the Bank’s ACL methodology. Characteristics of PCD loans include the following: delinquency, payment history since origination, credit scores migration and/or other factors the Bank may become aware of through its initial analysis of acquired loans that may indicate there has been a more than insignificant deterioration in credit quality since a loan’s origination.

Subsequent to acquisition, the ACL for both non-PCD and PCD loans is determined pursuant to the Bank ACL methodology in the same manner as all other loans.

n.Allowance for Credit Losses - The ACL for loans held for investment is a valuation account that is deducted from the loans’ amortized cost basis to present the net amount expected to be collected on loans. Loans are charged-off against the allowance when management confirms the loan balance is uncollectible.

Management estimates the allowance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Internal and industry historical credit loss experience is a significant input for the estimation of expected credit losses. Additionally, management’s assessment involves evaluating key factors, which include credit and macroeconomic indicators, such as changes in economic growth levels, unemployment rates, property values, and other relevant factors, to account for current and forecasted market conditions that are likely to cause estimated credit losses over the life of the loans to differ from historical credit losses. Expected credit losses are generally estimated over the contractual term of the loans, adjusted by prepayments when appropriate.

Management estimates the ACL primarily based on a probability of default (“PD”), loss-given default (“LGD”), and exposure at default (“EAD”) modeled approach, or individually for collateral dependent loans. Management evaluates the need for changes to the ACL by portfolio segments and classes of loans within certain of those portfolio segments. Factors such as the credit risk inherent in a portfolio and how management monitors the related quality, as well as the estimation approach to estimate credit losses, are considered in the determination of such portfolio segments and classes. The Bank believes it has a diversified portfolio across a variety of industries,

and the portfolio is generally centered in the states in which the Bank has offices. Management has identified the following portfolio segments:

Commercial and industrial loans include commercial and industrial loans to commercial customers for use in normal business operations to finance working capital needs, equipment and inventory purchases, and other expansion projects. These loans are made primarily in the Bank’s market areas, are underwritten on the basis of the borrower’s ability to service the debt from revenue, and extended under the Bank’s normal credit standards, controls, and monitoring systems. Collateral is often represented by liens on accounts receivable, inventory, equipment, and other forms of general non-real estate business assets. The Bank often obtains some form of credit enhancement through a personal guaranty of the borrower, principals and/or others. The global cash flow capability of commercial and industrial loan customers is generally evaluated both at underwriting and during the life of the loan. Commercial and industrial loans may involve increased risk due to the expectation that repayments for such loans generally come from the operation of the business activity and those operations may be unsuccessful. A disruption in the operating cash flows from a business, sometimes influenced by events not under the control of the borrower such as changing business environment, changes in regulations and political climate, rising interest rates, unexpected natural events, or competition could also impact the borrower’s capacity to repay the loan. Assets collateralizing commercial and industrial loans may also decline in value more quickly than anticipated. Commercial and industrial loans require increased underwriting and monitoring to offset these risks, for which the Bank’s systems have been designed to provide.

Commercial real estate loans include owner occupied and non-owner occupied commercial real estate mortgage loans to operating commercial and agricultural businesses, and include both loans for long-term financing of land and buildings and loans made for the initial development or construction of a commercial real estate project.

Residential real estate loans represent loans to consumers collateralized by a mortgage on a residence and include purchase money, refinancing, secondary mortgages, and home equity loans and lines of credit.

Public finance loans include loans to our charter school and municipal based customers.

Consumer loans include direct consumer installment loans, credit card accounts, overdrafts and other revolving loans.

Other loans consist of loans to nondepository financial institutions, lease financing receivables and loans for agricultural production.

The ACL is measured using a PD/LGD with EAD model that is calculated based on the product of a cumulative PD and LGD. PD and LGD estimates are assigned based upon the periodic completion of credit risk scorecards. Remaining EAD is derived based on inherent loan characteristics and like-kind loan prepayment trends. Under this approach, management calculates losses for each loan for all future periods using the PD and LGD rates derived from the term structure curves applied to the estimated remaining balance of the loans.

For the ACL determination of all portfolios, the expectations for relevant macroeconomic variables consider an initial reasonable and supportable period of four years and a reversion period of one year, utilizing a straight-line approach and reverting back to the historical loss rates.

Management periodically considers the need to make qualitative adjustments to the ACL. Qualitative adjustments may be related to and include, but not be limited to factors such as the following: (i) management’s assessment of economic forecasts used in the model and how those forecasts align with management’s overall evaluation of current and expected economic conditions; (ii) organization specific risks such as credit concentrations, collateral specific risks, nature and size of the portfolio and external factors that may ultimately impact credit quality, and (iii) other limitations associated with factors such as changes in underwriting and loan resolution strategies, among others.

Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially

through the operation or sale of the collateral, management has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of the collateral, with selling costs considered in the event sale of the collateral is expected.

Management has elected not to measure an ACL on accrued interest related to held for investment loans, as uncollectible accrued interest receivables are written off in a timely manner.

Loan credit quality and the adequacy of the allowance are also subject to periodic examination by regulatory agencies. Such agencies may require adjustments to the allowance based upon their judgements about information available at the time of their examination.

Management estimates expected credit losses over the contractual period in which the Bank is exposed to credit risk via a contractual obligation to extend credit unless the obligation is unconditionally cancellable by the Bank. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes the consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life.

o.Mortgage Servicing Rights (MSRs) - MSRs arise from contractual agreements between us and investors in mortgage loans. Pursuant to ASC Topic 860-50, Servicing Assets and Liabilities, we record MSR assets when we sell loans on a servicing-retained basis, at the time of a securitization that qualifies and meets requirements for sale accounting or through the acquisition or assumption of the right to service a financial asset. Under these contracts, we perform loan servicing functions in exchange for fees and other remuneration.

Our MSRs are initially recorded and subsequently measured at fair value. The fair value of the MSRs is based upon the present value of the expected future net cash flows related to servicing these loans. We receive a base servicing fee, generally ranging from 0.25% to 0.50% annually on the remaining outstanding principal balances of the loans. The servicing fees are collected from investors. We determine the fair value of the MSRs by the use of a discounted cash flow model that incorporates prepayment speeds, delinquencies, discount rate, ancillary revenues and other assumptions (including costs to service) that management believes are consistent with the assumptions other market participants use in valuing MSRs. The nature of the loans underlying the MSRs affects the assumptions used in the cash flow models. We obtain third-party valuations quarterly to assess the reasonableness of the fair value calculated by the cash flow model. Changes in the fair value of MSRs are charged or credited to income from mortgage banking services, net.

As a part of our mortgage servicing responsibilities, we advance funds when the borrower fails to meet contractual payments (e.g. principal, interest, property taxes, and insurance). We also advance funds to maintain, report, and market foreclosed real estate properties on behalf of investors. These advances are collectively known as servicer related advances. Such advances are recovered from borrowers for reinstated and performing loans and from investors for foreclosed loans. We record an ACL on outstanding servicer advances when we determine that based on all available information, that a credit loss is expected, and that all contractual amounts due will not be recovered. There was no ACL on outstanding servicer advances as of December 31, 2023 and 2022, respectively.

p.Premises and Equipment - Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization is computed on the straight-line or declining balance method depending upon the type of asset with useful lives ranging from one to 39 years. Depreciation and amortization expense has been included in occupancy and equipment expense in the accompanying consolidated statements of income and comprehensive income.

Maintenance and repair costs are charged to expense as incurred. Major betterments are considered individually and are capitalized or expensed depending on facts and circumstances.

q.Other Real Estate Owned and Foreclosed Assets - Assets acquired through, or in lieu of, foreclosure or repossession or otherwise are being held for disposal or to be sold are adjusted upon transfer to fair value less estimated costs to sell, establishing a new cost basis. Physical possession of residential real estate property collateralizing a consumer mortgage loan occurs when legal title is obtained upon completion of foreclosure or when the borrower conveys all interest in the property to satisfy the loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Subsequent to foreclosure/repossession, management periodically performs valuations, and an allowance for losses is established by a charge against earnings if the carrying value of a property exceeds the fair value less estimated costs to sell. Revenue and expenses from

operation and changes in the valuation allowance are included in other noninterest expense on the consolidated statements of income and comprehensive income.

r.Bank-owned Life Insurance (BOLI) - We have purchased life insurance policies on certain key current and former executives as a method to offset the cost of employee benefit plans. We record BOLI at the estimated contractual amount that would be realized if the life insurance policy is surrendered prior to maturity or death of the insured, which is the cash surrender value adjusted for other charges and amounts due that are probable at settlement. Changes in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in noninterest income and are not subject to income taxes.

s.Restricted Equity Securities - Restricted equity securities consist of capital stock of the Federal Home Loan Bank of Topeka (FHLB) and the Federal Reserve Bank of Kansas City (FRB). Such stock is not readily marketable, and accordingly, is carried at cost. Members of the FHLB are required to own a certain amount of stock based on the level of borrowings and other factors. As a national banking association, the Bank is required to own stock of its regional FRB. FRB and FHLB stock are periodically evaluated for impairment based on ultimate recovery of par value. Both cash and stock dividends are reported as income.

Restricted equity securities consisted of the following:

	2023		2022
Federal Home Loan Bank stock	$	20,945	$	33,137
Federal Reserve Bank stock	17,127		17,078
Total restricted equity securities	$	38,072	$	50,215

As a result of the relocation of our Bank headquarters to Dallas, Texas in 2023, we will be required to liquidate our capital stock in the FHLB of Topeka and the FRB of Kansas City and acquire capital stock in the FHLB of Dallas and the FRB of Dallas. We expect to complete this activity in early 2024 with no gain or loss on the liquidation of the capital stock.

t.Goodwill - The excess purchase price of acquired businesses over the fair value of identifiable assets acquired and liabilities assumed is recognized as goodwill. Goodwill is evaluated for impairment on an annual basis, or more frequently if events and circumstances exist that indicate that a goodwill impairment test should be performed. Our evaluation may consist of performing a qualitative assessment of impairment to determine whether any further quantitative testing for impairment is necessary. Factors considered in the qualitative assessment include general economic conditions, conditions of the industry and markets in which we operate, regulatory developments, cost factors, and our overall financial performance. We performed our most recent annual goodwill impairment test as of December 31, 2023 and concluded that no impairment existed. No impairment losses have been recognized during the years ended December 31, 2023, 2022 and 2021.

u.Core Deposits and Other Intangible Assets - Core deposits related to the depositor relationship of customers acquired from our business combinations are recognized in the value of core deposits. Our core deposits were valued based on the expected future benefit or earnings capacity attributable to the acquired deposits. These assets have been assigned 10 year lives from the date of acquisition. Other intangible assets include the trade names of First National 1870 and Guardian Mortgage. These trade names provide a source of market recognition to attract potential clients/relationships and retain existing customers. Management has indicated that portions of the business will utilize these trade names into perpetuity; therefore, these trade names have been classified as indefinite-lived assets. Further, we have acquired certain customer relationships relating to wealth management. These customer relationships have been assigned amortization periods of 10 to 16 years. We had a non-competition agreement for a former employee. This agreement was fully amortized in 2023.

v.Impairment of Long-lived Assets - Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. When events or changes in circumstances indicate an asset may not be recoverable, we estimate the future cash flows expected to result from the use of the asset. If impairment is indicated, an adjustment is made to reduce the carrying amount based on the difference between the future cash flows expected and the carrying amount of the asset. During the years ended December 31, 2023 and 2021, we recorded no impairment of long-lived assets, respectively. During the year ended December 31, 2022, we recorded impairment of $720 of long-lived assets.

w.Transfers of Financial Assets - Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

x.Loan Commitments and Related Financial Instruments - Financial instruments include off-balance sheet credit instruments, such as commitments to make loans, commercial letters of credit, and standby letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

y.Derivative Instruments and Hedging Activities - Derivatives and Hedging (ASC Topic 815), provides the disclosure requirements for derivatives and hedging activities with the intent to provide users of financial statements with an enhanced understanding of: (a) how and why an entity uses derivative instruments, (b) how the entity accounts for derivative instruments and related hedged items, and (c) how derivative instruments and related hedged items affect an entity’s financial position, financial performance, and cash flows. Further, qualitative disclosures are required that explain our objectives and strategies for using derivatives, as well as quantitative disclosures about the fair value of and gains and losses on derivative instruments, and disclosures about credit-risk-related contingent features in derivative instruments.

As required by ASC Topic 815, we record all derivatives on the consolidated balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether we have elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Derivatives may also be designated as hedges of the foreign currency exposure of a net investment in a foreign operation. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge. We may enter into derivative contracts that are intended to economically hedge certain of our risks, even though hedge accounting does not apply or we do not elect to apply hedge accounting. We do not have any cash flow or foreign currency hedges.

In accordance with the fair value measurement guidance in ASU Topic 2011-04, Fair Value Measurement (Topic 820), we made an accounting policy election to measure the credit risk of our derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

The FASB has issued standards associated with the cessation of LIBOR, including ASU 2022-06 that further defers the sunset date of ASU 2020-04 and ASU 2021-01 Reference Rate Reform (Topic 848) from December 31, 2022 to December 31, 2024, after which entities will no longer be permitted to apply the relief in Topic 848. We have elected to apply the contract modification guidance included within Topic 848. Since December 31, 2021, we have not issued debt indexed to USD-LIBOR and as of December 31, 2023, we have fully transitioned from the use of LIBOR on all contracts.

Risk Management Objective of Using Derivatives

Banking Activities - We are exposed to certain risks arising from both our business operations and economic conditions. We principally manage our exposures to a wide variety of business and operational risks through management of our core business activities. We manage economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of our assets and liabilities and the use of derivative financial instruments. Specifically, we enter into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Our derivative financial instruments are used to manage differences in the amount, timing, and duration of our known or expected cash receipts and our known or expected cash payments principally related to our loan portfolio. The initial and subsequent changes in value, as well as the offsetting gain or loss of banking derivative financial instruments that qualify as fair value hedges, and

any fees income generated are recorded as a component of interest and fee income on loans in our consolidated statements of income and comprehensive income.

Mortgage Banking Activities - Our mortgage bankers enter into interest rate lock commitments (IRLC) with prospective borrowers. An IRLC represents an agreement to purchase loans from a third-party originator or an agreement to extend credit to a mortgage applicant, whereby the interest rate is set prior to funding. The loan commitment binds us (subject to the loan approval process) to fund the loan at the specified rate, regardless of whether interest rates have changed between the commitment date and the loan funding date. Outstanding interest rate lock commitments are subject to interest rate risk and related price risk during the period from the date of the commitment through the loan funding date or expiration date. The borrower is not obligated to obtain the loan; thus, we are subject to fallout risk related to IRLCs, which is realized if approved borrowers choose not to close on the loans within the terms of the IRLC. Our interest rate exposure on these derivative loan commitments is hedged with forward sales of mortgage-based securities as described below. Our IRLCs are carried at fair value in accordance with ASC Topic 815, and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. ASC Topic 815 clarifies that the expected net future cash flows related to the associated servicing of a loan should be included in the measurement of all written loan commitments that are accounted for at fair value through earnings. The estimated fair values of IRLCs are based on the fair value of the related mortgage loans which is based upon observable market data. The initial and subsequent changes in value of IRLCs are recorded as a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We actively manage the risk profiles of our IRLCs and mortgage loans held-for-sale on a daily basis. To manage the price risk associated with IRLCs, we enter into forward sales of mortgage-backed securities (MBS) in an amount equal to the portion of the IRLC expected to close, assuming no change in mortgage interest rates. In addition, to manage the interest rate risk associated with mortgage loans held-for-sale, we enter into forward sales of MBS to deliver mortgage loans to third-party investors. The estimated fair values of forward sales of MBS and forward sales commitments are based on exchange prices or the dealer market price. The initial and subsequent changes in value on forward sales of MBS and forward sales commitments are a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We also occasionally enter into contracts with other mortgage bankers to purchase residential mortgage loans at a future date, which we refer to as Loan Purchase Commitments (LPCs). LPCs are accounted for as derivatives under ASC Topic 815 and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. Subsequent changes in LPCs are recorded as a charge or credit to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We utilize derivative instruments to help manage the fair value changes in our MSRs. These derivative instruments are intended to economically hedge certain risks related to our MSRs. As such, these derivative instruments are not designated as accounting hedges. These derivatives may include To Be Announced (TBA) MBS, interest rate swaps, and options contracts and are valued based on quoted prices for similar assets in an active market with inputs that are observable. These derivative products are accounted for and recorded at fair value in prepaid expenses and other assets or accrued expenses and other liabilities on our consolidated balance sheets. Subsequent changes are recorded to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

z.Lease Commitments - We determine if an arrangement is a lease or contains a lease at inception. Leases result in the recognition of right of use (“ROU”) assets and lease liabilities on our consolidated balance sheets. ROU assets represent the right to use an underlying asset for the lease term and are included in prepaid expenses and other assets in our consolidated balance sheets. Lease liabilities represent the obligation to make lease payments arising from the lease, measured on a discounted basis, and are included in accrued expenses and other liabilities in our consolidated balance sheets. We determine lease classification as operating or finance at the lease commencement date. We combine lease and non-lease components, such as common area and other maintenance costs, in calculating the ROU assets and lease liabilities for our office buildings.

At lease inception, the lease liability is measured at the present value of the lease payments over the lease term. The ROU asset equals the lease liability adjusted for any initial direct costs, prepaid or deferred rent, and lease incentives. We use the implicit rate when readily determinable, however, as most of the leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the commencement date, which is based on our collateralized borrowing capabilities over a similar term as the related lease payments.

The lease term may include options to extend or to terminate the lease that we are reasonably certain to exercise. Lease expense is generally recognized on a straight-line basis over the lease term.

We have elected not to record leases with an initial term of 12 months or less on our consolidated balance sheets. Lease expense on such leases is recognized on a straight-line basis over the lease term. Further information is presented in Note 25 - Lease Commitments.

aa.Revenue Recognition - Noninterest income within the scope of ASC Topic 606, Revenue From Contracts With Customers is recognized by us when performance obligations, under the terms of the contract, are satisfied. This income is measured as the amount of consideration expected to be received in exchange for the providing of services. The majority of our applicable noninterest income continues to be recognized at the time when services are provided to our customers. Further information is presented in Note 26 - Revenue from Contracts with Customers.

ab.Advertising - Advertising costs are expensed as incurred and recorded within other noninterest expense.

ac.Earnings Per Share - Basic and diluted earnings per share are computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period.

ad.Share-Based Compensation - Compensation cost is recognized for stock options, non-vested restricted stock awards/stock units, and performance share units issued to employees and directors, based on the fair value of these awards at the date of the grant. A Black-Scholes model is utilized to estimate the fair value of stock options. The fair value of non-vested stock awards/stock units and performance share units is generally the market price of our stock on the date of grant.

Compensation cost is recognized over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recognized on a straight-line basis over the requisite service period for the entire award. We recognize forfeitures as they occur.

ae.Retirement Plan - We have an employee savings plan and trust (the Plan) which qualifies under Section 401(k) of the Internal Revenue Service Code. The Bank’s Trust and Wealth Management department is the Trustee. Substantially all of our full-time employees are eligible to participate in the Plan. Eligible employees may contribute up to 100% of their compensation subject to certain limits based on federal tax laws. Additional contributions are allowed per the Internal Revenue Service Code for participants who have attained age 50 before the end of the Plan year. We make a matching contribution for each eligible participant equal to 100% of the participant’s elective deferrals which does not exceed 6% of the participant’s compensation. Participants are immediately vested in the matching contribution. Matching contributions to the Plan charged to salary and employee benefits amounted to $5.3 million, $5.2 million and $4.9 million in 2023, 2022 and 2021, respectively.

af.Income Taxes - The Company files a consolidated federal income tax return. Deferred taxes are provided on a liability method whereby deferred tax assets are recognized for deductible temporary differences and operating loss and tax credit carryforwards; deferred tax liabilities are recognized for taxable temporary differences. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax assets will not be realized. The effect on deferred tax assets and liabilities for subsequent changes in tax rates are recognized in income in the period that includes the tax rate changes.

We recognize the financial effects of a tax position only when we believe it can “more likely than not” support the position upon a tax examination by the relevant taxing authority, with a tax examination being presumed to occur. We are no longer subject to examination by taxing authorities for years before 2020. The Company recognizes interest and/or penalties related to income tax matters in income tax expense.

ag.Comprehensive income - Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on securities available-for-sale and designated fair value hedges, net of tax, which are recognized as a separate component of equity.

ah.Loss Contingencies - Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be

reasonably estimated. Management does not believe there are such matters that will have a material effect on these consolidated financial statements.

In addition, we generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, or there are early payment defaults, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. In addition, if loans pay off within a specified time frame, we may be required to refund a portion of the sales proceeds to the investors. We have established reserves for potential losses related to these representations and warranties which is recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry. Further information is presented in Note 24 - Commitments and Contingencies.

ai.Equity - Treasury stock, if any, is carried at cost.

Dividend Restriction - Banking regulations require maintaining certain capital levels and may limit the dividends paid by the Bank to the Parent Company or by the Parent Company to stockholders.

aj.Recent Accounting Pronouncements Not Yet Adopted - ASU No. 2023-02, “Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method.” ASU 2023-02 is intended to improve the accounting and disclosures for investments in tax credit structures. ASU 2023-02 allows entities to elect to account for qualifying tax equity investments using the proportional amortization method, regardless of the program giving rise to the related income tax credits. Previously, this method was only available for qualifying tax equity investments in low-income housing tax credit structures. ASU 2023-02 will be effective for us on January 1, 2025 and its adoption is not expected to have a significant effect on our financial statements.

ASU 2023-06, “Disclosure Improvements - Codification Amendments in Response to the SEC’s Disclosure Update and Simplification Initiative.” ASU 2023-06 amends the ASC to incorporate certain disclosure requirements from SEC Release No. 33-10532 - Disclosure Update and Simplification that was issued in 2018. The effective date for each amendment will be the date on which the SEC’s removal of that related disclosure from Regulation S-X or Regulation S-K becomes effective, with early adoption prohibited. ASU 2023-06 is not expected to have a significant impact on our financial statements.

ASU No. 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures.” ASU 2023-07 expands segment disclosure requirements for public entities to require disclosure of significant segment expenses and other segment items on an annual and interim basis and to provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. ASU 2023-07 is not expected to have a significant impact on our financial statements.

ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” ASU 2023-09 requires public business entities to disclose in their rate reconciliation table additional categories of information about federal, state and foreign income taxes and to provide more details about the reconciling items in some categories if items meet a quantitative threshold. ASU 2023-09 also requires all entities to disclose income taxes paid, net of refunds, disaggregated by federal, state and foreign taxes for annual periods and to disaggregate the information by jurisdiction based on a quantitative threshold, among other things. ASU 2023-09 is effective for us on January 1, 2026, though early adoption is permitted. ASU 2023-09 is not expected to have a significant impact on our financial statements.

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Merger with Pioneer Bancshares, Inc.

12 Months Ended

Dec. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Merger with Pioneer Bancshares, Inc.

Merger with Pioneer Bancshares, Inc.

As described under the title “Business Combination” in Note 1 - Basis of Presentation, Description of Business and Summary of Significant Accounting Policies, we completed our merger with Pioneer on April 1, 2022. We accounted for the Pioneer merger under the acquisition method in accordance with ASC Topic 805, Business Combinations. Accordingly, the purchase price was allocated to the fair value of the assets acquired, including identifiable intangible assets, and the liabilities assumed as of the closing date of the merger. Goodwill resulting from the difference between the fair value of the assets acquired and the fair value of the liabilities assumed is not amortizable for book or tax purposes. This goodwill resulted from the combination of expected operational synergies, the increase in our market share in Texas and other factors. Although the merger was nontaxable, the merger gave rise to certain temporary differences for which deferred taxes have been recognized. The results of operations for the Pioneer merger have been included in our consolidated financial results beginning on the April 1, 2022 closing date.

Consideration

Under the terms of the merger agreement, each outstanding share of Pioneer common stock was converted into 1.0443 shares of FirstSun common stock (except for shareholders who properly exercised their dissenters’ rights) with cash paid in lieu of fractional shares. Accordingly, we issued 6,467,466 shares of our common stock to Pioneer shareholders in the merger valued at $230,760 based on a third-party valuation of our common stock in accordance with ASC Topic 820, Fair Value Measurements as of the closing date. We also converted Pioneer stock options into 431,645 options to purchase shares of FirstSun common stock. This conversion was valued at $5,334. We also paid cash to certain Pioneer shareholders of $4,736. Total aggregate consideration paid in the Pioneer merger was $240,830.

Fair Value

We recorded the fair value of assets acquired and liabilities assumed based on valuations at April 1, 2022. The determination of fair value required management to make assumptions related to discount rates, expected future cash flows, market conditions and other future events that are subjective in nature.

Fair values of the assets acquired and liabilities assumed in this transaction are as follows:

	April 1, 2022
Cash and cash equivalents	$	449,278
Investment securities	157,859
Loans held-for-sale	2,923
Loans	811,300
Premises and equipment	39,935
Bank-owned life insurance	21,382
Restricted equity securities	9,320
Core deposits and other intangible assets	11,771
Accrued interest receivable	3,947
Deferred tax assets	19,752
Prepaid expenses and other assets	7,317
Total assets acquired	1,534,784
Deposits	1,192,081
Federal Home Loan Bank advances	159,924
Accrued interest payable	407
Accrued expenses and other liabilities	1,975
Total liabilities assumed	1,354,387
Fair value of net assets acquired	180,397
Purchase price	240,830
Goodwill	$	60,433

Acquired loans and purchased credit impaired loans

Acquired loans were recorded at fair value based on a discounted cash flow valuation methodology that considered, among other things, projected default rates, loss given default rates and recovery rates. No allowance for credit losses was carried over from Pioneer.

We identified certain acquired loans as purchased credit impaired (PCI). PCI loan identification considered payment history and past due status, debt service coverage, loan grading, collateral values and other factors that may be an indication of a deterioration of credit quality since origination. Although we identified certain acquired loans as PCI, the amount was determined to be insignificant. The following table discloses the fair value and contractual value of loans acquired from Pioneer on April 1, 2022.

	Acquired Loans		Contractual Principal Balance
Commercial	$	98,351	$	98,752
Commercial real estate	509,173		516,341
Residential real estate	173,094		174,763
Consumer	30,682		31,982
Total fair value	$	811,300	$	821,838

Supplemental pro forma information

The following unaudited pro forma summary presents consolidated information of FirstSun as if the business combination had occurred on January 1, 2021.

	(Unaudited) Pro forma for the years ended December 31,
	2022		2021
Net interest income	$	251,783	$	201,501
Provision for credit losses	17,200		350
Net interest income after provision for credit losses	234,583		201,151
Noninterest income	90,993		129,373
Noninterest expenses	229,307		258,544
Income before income taxes	96,269		71,980
Provision for income taxes	19,508		13,413
Net income	$	76,761	$	58,567
Earnings per share:
Net income available to common stockholders	$	76,761	$	58,567
Basic	$	3.09	$	2.36
Diluted	$	3.01	$	2.30

The unaudited pro forma amounts for these periods includes adjustments for interest income on loans and investment securities acquired, amortization of intangibles arising from the transaction, adjustments for interest expense on deposits and Federal Home Loan bank advances acquired, adjustments for merger related expenses incurred, and the related income tax effects of all these items and the income tax costs or benefits derived from the income or loss before taxes of Pioneer. The unaudited pro forma amounts are not necessarily indicative of the results of operations that would have occurred had the transaction been effected on the assumed date.

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Securities

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated  Fair  Value
2023
Available-for-sale:
U.S. treasury	$	58,468	$	—	$	(4,234)	$	54,234
U.S. agency	1,872		—		(33)		1,839
Obligations of states and political subdivisions	29,979		—		(4,009)		25,970
Mortgage backed - residential	121,288		119		(14,974)		106,433
Collateralized mortgage obligations	203,394		—		(21,861)		181,533
Mortgage backed - commercial	145,062		497		(14,367)		131,192
Other debt	16,792		—		(1,236)		15,556
Total available-for-sale	$	576,855	$	616	$	(60,714)	$	516,757
Held-to-maturity:
Obligations of states and political subdivisions	$	25,542	$	3	$	(3,987)	$	21,558
Mortgage backed - residential	7,548		2		(560)		6,990
Collateralized mortgage obligations	3,893		—		(260)		3,633
Total held-to-maturity	$	36,983	$	5	$	(4,807)	$	32,181
2022
Available-for-sale:
U.S. treasury	62,010		—		(5,361)		56,649
U.S. agency	$	2,881	$	—	$	(47)	$	2,834
Obligations of states and political subdivisions	29,897		—		(4,998)		24,899
Mortgage backed - residential	129,955		6		(13,826)		116,135
Collateralized mortgage obligations	225,559		—		(21,294)		204,265
Mortgage backed - commercial	130,997		—		(13,661)		117,336
Other debt	16,774		—		(1,919)		14,855
Total available-for-sale	$	598,073	$	6	$	(61,106)	$	536,973
Held-to-maturity:
Obligations of states and political subdivisions	25,378		5		(4,891)		20,492
Mortgage backed - residential	8,705		4		(511)		8,198
Collateralized mortgage obligations	4,818		—		(290)		4,528
Total held-to-maturity	$	38,901	$	9	$	(5,692)	$	33,218

There was no allowance for credit losses related to our investment securities as of December 31, 2023.

As of December 31, 2023 and 2022, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

Fair value and unrealized losses on debt securities by type and length of time in a continuous unrealized loss position without an allowance for credit losses were as follows as of December 31,:

	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2023
Available-for-sale:
U.S. treasury	$	—	$	—	$	54,234	$	(4,234)	$	54,234	$	(4,234)	9
U.S. agency	—		—		1,839		(33)		1,839		(33)		7
Obligations of states and political subdivisions	—		—		25,970		(4,009)		25,970		(4,009)		19
Mortgage backed - residential	—		—		100,571		(14,974)		100,571		(14,974)		83
Collateralized mortgage obligations	—		—		181,533		(21,861)		181,533		(21,861)		65
Mortgage backed - commercial	4,721		(27)		114,625		(14,340)		119,346		(14,367)		24
Other debt	—		—		15,556		(1,236)		15,556		(1,236)		9
Total available-for-sale	$	4,721	$	(27)	$	494,328	$	(60,687)	$	499,049	$	(60,714)	216
Held-to-maturity:
Obligations of states and political subdivisions	$	—	$	—	$	21,223	$	(3,987)	$	21,223	$	(3,987)	8
Mortgage backed - residential	—		—		6,845		(560)		6,845		(560)		10
Collateralized mortgage obligations	—		—		3,633		(260)		3,633		(260)		5
Total held-to-maturity	$	—	$	—	$	31,701	$	(4,807)	$	31,701	$	(4,807)	23

	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2022
Available-for-sale:
U.S. treasury	$	25,702	$	(967)	$	30,947	$	(4,394)	$	56,649	$	(5,361)	10
U.S. agency	—		—		2,834		(47)		2,834		(47)		7
Obligations of states and political subdivisions	21,676		(3,784)		2,753		(1,214)		24,429		(4,998)		18
Mortgage backed - residential	51,921		(2,939)		63,691		(10,887)		115,612		(13,826)		87
Collateralized mortgage obligations	111,360		(4,631)		92,905		(16,663)		204,265		(21,294)		66
Mortgage backed - commercial	70,710		(6,475)		46,626		(7,186)		117,336		(13,661)		22
Other debt	14,855		(1,919)		—		—		14,855		(1,919)		9
Total available-for-sale	$	296,224	$	(20,715)	$	239,756	$	(40,391)	$	535,980	$	(61,106)	219
Held-to-maturity:
Obligations of states and political subdivisions	$	20,153	$	(4,891)	$	—	$	—	$	20,153	$	(4,891)	8
Mortgage backed - residential	7,993		(511)		—		—		7,993		(511)		10
Collateralized mortgage obligations	4,127		(275)		401		(15)		4,528		(290)		5
Total held-to-maturity	$	32,273	$	(5,677)	$	401	$	(15)	$	32,674	$	(5,692)	23

We do not consider the unrealized losses to be credit-related, as these unrealized losses primarily relate to changes in interest rates and market spreads subsequent to purchase. We do not have plans to sell any of the available-for-sale debt securities with unrealized losses as of December 31, 2023, and we believe it is more likely than not that we would not be required to sell such available-for-sale debt securities before recovery of their amortized cost.

We continue to monitor unrealized loss positions for potential credit impairments. During the year ended December 31, 2023, there were no credit impairments related to our investment securities.

The amortized cost and fair value of our debt securities by contractual maturity as of December 31, 2023 are summarized in the following table. Maturities are based on the final contractual payment dates and do not reflect the impact of prepayments or earlier redemptions that may occur.

	Amortized Cost		Estimated Fair Value
Available-for-sale:
Due within 1 year	$	23,215	$	22,802
Due after 1 year through 5 years	55,359		50,882
Due after 5 years through 10 years	152,454		138,464
Due after 10 years	345,827		304,609
Total available-for-sale	$	576,855	$	516,757
Held-to-maturity:
Due after 1 year through 5 years	$	988	$	963
Due after 5 years through 10 years	737		713
Due after 10 years	35,258		30,505
Total held-to-maturity	$	36,983	$	32,181

Securities with a carrying value of $468,679 and $428,721 were pledged to secure public deposits, securities sold under agreements to repurchase and borrowed funds at December 31, 2023 and 2022, respectively.

There were no proceeds from sales and calls of securities for the year ended December 31, 2023. There were proceeds from sales and calls of securities of $81,016 for the year ended December 31, 2022. For the years ended December 31, 2023, 2022 and 2021 there were no gross investment gains or losses resulting from the sale of securities.

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Loans

12 Months Ended

Dec. 31, 2023

Receivables [Abstract]

Loans

Loans

Loans held-for-investment by portfolio type consist of the following as of December 31,:

	2023		2022
Commercial and industrial	$	2,467,688	$	2,310,929
Commercial real estate:
Non-owner occupied	812,235		779,546
Owner occupied	635,365		636,272
Construction and land	345,430		327,817
Multifamily	103,066		102,068
Total commercial real estate	1,896,096		1,845,703
Residential real estate	1,110,610		1,003,931
Public finance	602,913		590,284
Consumer	36,371		42,588
Other	153,418		118,397
Total loans	$	6,267,096	$	5,911,832
Allowance for credit losses	(80,398)		(65,917)
Loans, net of allowance for credit losses	$	6,186,698	$	5,845,915

As of December 31, 2023 and 2022, we had net deferred fees, costs, premiums and discounts of $12,859 and $17,101, respectively, on our loan portfolio.

Accrued interest receivable on loans totaled $34,879 and $26,494 at December 31, 2023 and 2022, respectively, and is included in accrued interest receivable in the accompanying consolidated balance sheets.

The following table presents the activity in the allowance for credit losses by portfolio type for the years ended December 31,:

	Commercial and Industrial		Commercial Real Estate		Residential Real Estate		Public Finance		Consumer		Other		Total
2023
Allowance for credit losses:
Balance, beginning of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
Impact of adopting ASC 326	(13,583)		3,867		10,256		3,890		249		577		5,256
Provision for (benefit from) credit losses	10,445		3,996		2,457		(217)		400		(46)		17,035
Loans charged-off	(9,242)		(83)		(13)		—		(334)		—		(9,672)
Recoveries	1,118		12		682		—		50		—		1,862
Balance, end of period	$	29,523	$	27,546	$	16,345	$	5,337	$	717	$	930	$	80,398
2022
Allowance for credit losses:
Balance, beginning of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547
Provision for (benefit from) credit losses	9,248		6,168		2,028		120		199		287		18,050
Loans charged-off	(2,321)		—		(122)		—		(144)		—		(2,587)
Recoveries	2,236		388		221		—		62		—		2,907
Balance, end of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
2021
Allowance for credit losses:
Balance, beginning of period	$	29,235	$	14,033	$	1,435	$	2,604	$	288	$	171	$	47,766
Provision for credit losses	5,136		(488)		(581)		(1,060)		52		(59)		3,000
Loans charged-off	(4,296)		(375)		(42)		—		(148)		—		(4,861)
Recoveries	1,547		28		24		—		43		—		1,642
Balance, end of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547

We determine the allowance for credit losses estimate on at least a quarterly basis.

As of December 31, 2023 and 2022, we had an allowance for credit losses on unfunded commitments of $2,309 and $1,313, respectively. For the years ended December 31, 2023, 2022 and 2021, we recorded a provision for credit losses on unfunded commitments of $1,212, $525 and $300, respectively.

The following table presents our loan portfolio aging analysis as of December 31,:

	Loans Not Past Due		Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Greater than 90 Days Past Due, Still Accruing		Nonaccrual		Total
2023
Commercial and industrial (1)	$	2,420,775	$	10,117	$	3,782	$	25,010	$	8,004	$	2,467,688
Commercial real estate:
Non-owner occupied	796,477		1,063		10,851		—		3,844		812,235
Owner occupied	626,424		8,269		—		638		34		635,365
Construction and land	345,245		—		—		—		185		345,430
Multifamily	103,066		—		—		—		—		103,066
Total commercial real estate	1,871,212		9,332		10,851		638		4,063		1,896,096
Residential real estate	1,065,438		19,261		3,330		168		22,413		1,110,610
Public Finance	602,913		—		—		—		—		602,913
Consumer	36,357		4		—		—		10		36,371
Other	141,794		8,787		—		—		2,837		153,418
Total loans	$	6,138,489	$	47,501	$	17,963	$	25,816	$	37,327	$	6,267,096
2022
Commercial and industrial	$	2,298,207	$	2,409	$	819	$	—	$	9,494	$	2,310,929
Commercial real estate:
Non-owner occupied	773,042		4,356		—		—		2,148		779,546
Owner occupied	630,335		—		—		—		5,937		636,272
Construction and land	324,888		2,632		99		—		198		327,817
Multifamily	102,068		—		—		—		—		102,068
Total commercial real estate	1,830,333		6,988		99		—		8,283		1,845,703
Residential real estate	974,450		17,231		1,524		98		10,628		1,003,931
Public Finance	590,284		—		—		—		—		590,284
Consumer	42,434		58		3		—		93		42,588
Other	117,926		—		—		—		471		118,397
Total loans	$	5,853,634	$	26,686	$	2,445	$	98	$	28,969	$	5,911,832
(1) Loans greater than 90 days past due, still accruing relates primarily to one borrower relationship where interest was paid current in February 2024. Contractual principal payments related to this borrower relationship were deferred until March 15, 2024. This deferral was not significant.

Interest income recorded on nonperforming loans was not material for the years ended December 31, 2023, 2022 and 2021.

Credit risk monitoring and management is a continuous process to manage the quality of the loan portfolio. We segment loans into risk categories based on relevant borrower risk profile information, including the ability to service their debt based on current financial information, historical payment experience, credit documentation, public information and current economic trends among other factors. The risk rating system is used as a tool to analyze and monitor movements in loan portfolio quality.

Risk ratings meeting an internally specified exposure threshold are updated annually, or more frequently upon the occurrence of a circumstance that affects the credit risk of the loan. We use the following definitions for risk ratings:

Pass – Loans classified as Pass have a well-defined primary source of repayment, an acceptable financial position profile (including capitalization), profitability and minimal operating risk.

Pass/Watch – Pass/Watch loans require close attention by bank management and enhanced monitoring due to quantitative or qualitative concerns linked to adverse trends or near-term uncertainty. A covenant default or other type of requirement shortfall may have arisen subsequent to a loan's booking or borrower now shows signs of weakness in the overall base of confirmable financial resources available to repay the loan. However, overall financial capacity & performance are considered sufficient to support an expectation of continued payment performance and / or mitigating factors exist that are expected to limit the risk of near term default and loss.

Special Mention – Special Mention loans have identified potential weaknesses that are of sufficient materiality to require management’s (persistent) close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or in the bank's credit position under normal business operations. Special Mention loans contain greater than acceptable risk to warrant increases in credit exposure and are thus considered “criticized”, non-pass rated credits. They may contain weaknesses (that have arisen due to deteriorating conditions since origination) and / or underwriting exceptions that are not currently offset by mitigating factors. However, these weaknesses, while sufficient to constitute significantly elevated credit risk, are not sufficient to support a conclusion that the liquidation of the debt is in significant jeopardy.

Substandard - Accruing – Substandard - Accruing loans are inadequately protected by the current sound net worth and paying capacity of the obligor(s). Loans classified as Substandard - Accruing possess one or more well-defined weaknesses that are expected to jeopardize their liquidation but the weaknesses have not progressed to a point where recent late payments on the loan have become more than 90 days past due. These loans are characterized by the distinct possibility that the bank may sustain up to a moderate but not significant level of loss if such weaknesses are not corrected. Losses for Substandard - Accruing loans are moderated by the lower likelihood of ultimate default and the existence of relatively favorable secondary repayment protection. These loans are considered “nonperforming”.

Substandard - Nonaccrual – Substandard - Nonaccrual loans are inadequately protected by the current sound net worth and paying capacity of the obligor or the collateral pledged, if any. Loans classified as Substandard - Nonaccrual possess material, well-defined weaknesses that are expected to jeopardize their liquidation and have progressed to a point where consistently late payments on the loan have become more than 90 or more days past due. These loans are characterized by the distinct possibility that the bank may sustain a material level of loss if such weaknesses are not corrected. Losses for Substandard - Nonaccrual loans are prone to being elevated based on the strong likelihood of the loan remaining in payment default and an undesirable level of secondary repayment protection. These loans are considered “nonperforming”.

Doubtful – Loans classified as Doubtful possess all of the weaknesses inherent in loans classified as Substandard - Nonaccrual with the added characteristic that the weaknesses make collection or liquidation in full highly questionable or improbable based on currently existing facts, conditions and values. A high probability of substantial loss or possible total loss exists. Loans rated as doubtful are not rated as loss because certain events may occur that could salvage at least a portion of the debt. These events include injections of capital, additions of pledged collateral or possible mezzanine debt refinancing options. However, without the occurrence of such events, total loss may be possible. No definite repayment schedule exists for these loans. The Doubtful grade is a temporary grade. If a near term recovery of a portion of the loan balance is indeterminable or unlikely to occur, the remaining balance of the loan should be written off and possible future recoveries may partially offset the full write-off of the loan. These loans are considered “nonperforming”.

Loss – Loans classified as Loss are defaulted loans with limited or immaterial recovery prospects. No loan that has not yet defaulted should be classified at this grade level. This rating level tends to be very short lived as the full balance of the loan tends to be fully written off nearly immediately after a change to this rating level. These loans are considered “nonperforming”.

The following table present the amortized costs by segment of loans by risk category and origination date as of December 31, 2023:

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Commercial and industrial:
Pass	$	384,720	$	432,903	$	342,394	$	143,636	$	41,667	$	39,972	$	39,098	$	786,059	$	2,210,449
Pass/Watch	4,052		2,543		18,832		4,595		1,603		2,441		1,273		93,951		129,290
Special Mention	3,759		47,071		2,253		2,281		659		731		3,334		6,729		66,817
Substandard - Accruing	2,992		362		33,625		4,316		1,338		3,542		3,044		3,909		53,128
Substandard - Nonaccrual	—		—		690		4,122		1,110		364		96		248		6,630
Doubtful	—		—		—		490		547		33		304		—		1,374
Total commercial and industrial	$	395,523	$	482,879	$	397,794	$	159,440	$	46,924	$	47,083	$	47,149	$	890,896	$	2,467,688
Gross charge-offs	$	—	$	—	$	2,786	$	3,096	$	—	$	368	$	2,992	$	—	$	9,242
Commercial real estate:
Non-owner occupied:
Pass	$	55,581	$	117,162	$	136,361	$	116,402	$	60,535	$	176,308	$	19,256	$	71,322	$	752,927
Pass/Watch	—		—		—		3,791		6,342		24,620		1,277		—		36,030
Special Mention	2,717		—		—		—		—		—		1,582		—		4,299
Substandard - Accruing	—		3,561		—		1,880		—		9,694		—		—		15,135
Substandard - Nonaccrual	—		—		—		—		—		3,844		—		—		3,844
Total non-owner occupied	$	58,298	$	120,723	$	136,361	$	122,073	$	66,877	$	214,466	$	22,115	$	71,322	$	812,235
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Owner occupied:
Pass	$	87,167	$	83,308	$	105,935	$	102,885	$	64,134	$	123,199	$	2,961	$	6,103	$	575,692
Pass/Watch	600		902		—		15,541		2,896		2,520		—		1,615		24,074
Special Mention	—		493		5,745		306		1,092		2,834		—		—		10,470
Substandard - Accruing	2,295		460		1,204		3,027		2,259		15,850		—		—		25,095
Substandard - Nonaccrual	—		—		—		—		—		34		—		—		34
Total owner occupied	$	90,062	$	85,163	$	112,884	$	121,759	$	70,381	$	144,437	$	2,961	$	7,718	$	635,365
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Construction & land:
Pass	$	44,496	$	171,411	$	32,176	$	28,221	$	13,459	$	8,718	$	21,600	$	1,913	$	321,994
Pass/Watch	—		—		13,036		6,541		—		15		—		—		19,592
Special Mention	—		—		1,381		2,278		—		—		—		—		3,659
Substandard - Nonaccrual	—		—		—		185		—		—		—		—		185
Total construction & land	$	44,496	$	171,411	$	46,593	$	37,225	$	13,459	$	8,733	$	21,600	$	1,913	$	345,430
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Multifamily:
Pass	$	1,359	$	36,852	$	36,537	$	12,838	$	2,716	$	5,885	$	—	$	5,574	$	101,761
Special Mention	—		—		—		—		1,305		—		—		—		1,305
Total multifamily	$	1,359	$	36,852	$	36,537	$	12,838	$	4,021	$	5,885	$	—	$	5,574	$	103,066
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Total commercial real estate:
Pass	$	188,603	$	408,733	$	311,009	$	260,346	$	140,844	$	314,110	$	43,817	$	84,912	$	1,752,374
Pass/Watch	600		902		13,036		25,873		9,238		27,155		1,277		1,615		79,696
Special Mention	2,717		493		7,126		2,584		2,397		2,834		1,582		—		19,733
Substandard - Accruing	2,295		4,021		1,204		4,907		2,259		25,544		—		—		40,230
Substandard - Nonaccrual	—		—		—		185		—		3,878		—		—		4,063
Total commercial real estate:	$	194,215	$	414,149	$	332,375	$	293,895	$	154,738	$	373,521	$	46,676	$	86,527	$	1,896,096
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Residential real estate:
Pass	$	153,327	$	573,624	$	116,695	$	38,309	$	38,121	$	141,216	$	1,857	$	13,540	$	1,076,689
Pass/Watch	155		1,181		28		—		269		4,667		176		—		6,476
Special Mention	—		—		—		—		254		1,465		—		—		1,719
Substandard - Accruing	—		3,199		—		—		—		114		—		—		3,313
Substandard - Nonaccrual	—		6,704		3,169		2,214		4,009		6,267		16		34		22,413
Total residential real estate	$	153,482	$	584,708	$	119,892	$	40,523	$	42,653	$	153,729	$	2,049	$	13,574	$	1,110,610
Gross charge-offs	$	—	$	—	$	—	$	13	$	—	$	—	$	—	$	—	$	13
Public Finance:
Pass	$	37,074	$	—	$	43,512	$	174,907	$	201,575	$	135,326	$	—	$	3,051	$	595,445
Substandard - Accruing	—		—		—		—		7,468		—		—		—		7,468
Total public finance	$	37,074	$	—	$	43,512	$	174,907	$	209,043	$	135,326	$	—	$	3,051	$	602,913
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer:
Pass	$	3,232	$	2,183	$	5,347	$	9,414	$	3,482	$	2,555	$	2	$	9,491	$	35,706
Pass/Watch	—		53		108		99		145		153		1		46		605
Special Mention	—		—		13		7		—		—		—		—		20
Substandard - Accruing	—		—		—		—		—		—		30		—		30
Substandard - Nonaccrual	—		4		6		—		—		—		—		—		10
Total consumer	$	3,232	$	2,240	$	5,474	$	9,520	$	3,627	$	2,708	$	33	$	9,537	$	36,371
Gross charge-offs	$	—	$	—	$	11	$	8	$	111	$	32	$	3	$	169	$	334
Other:
Pass	$	5,890	$	7,802	$	13,198	$	806	$	282	$	10,227	$	4,859	$	100,183	$	143,247
Pass/Watch	—		—		7,334		—		—		—		—		—		7,334
Substandard - Nonaccrual	—		—		—		—		2,391		—		446		—		2,837
Total other	$	5,890	$	7,802	$	20,532	$	806	$	2,673	$	10,227	$	5,305	$	100,183	$	153,418
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total loans:
Pass	$	772,846	$	1,425,245	$	832,155	$	627,418	$	425,971	$	643,406	$	89,633	$	997,236	$	5,813,910
Pass/Watch	4,807		4,679		39,338		30,567		11,255		34,416		2,727		95,612		223,401
Special Mention	6,476		47,564		9,392		4,872		3,310		5,030		4,916		6,729		88,289
Substandard - Accruing	5,287		7,582		34,829		9,223		11,065		29,200		3,074		3,909		104,169
Substandard - Nonaccrual	—		6,708		3,865		6,521		7,510		10,509		558		282		35,953
Doubtful	—		—		—		490		547		33		304		—		1,374
Total loans	$	789,416	$	1,491,778	$	919,579	$	679,091	$	459,658	$	722,594	$	101,212	$	1,103,768	$	6,267,096
Gross charge-offs	$	—	$	—	$	2,797	$	3,117	$	111	$	483	$	2,995	$	169	$	9,672

The following table presents the credit risk profile of our loan portfolio, gross of deferred costs, fees, premiums and discounts, based on our rating categories as of December 31, 2022, which is prior to the adoption of ASU 2016-13 on January 1, 2023 and continue to be reported under ASC 310, Receivables. We categorized loans into risk categories based on relevant information about the ability of borrowers to service their debt including current financial information, historical payment experience, credit documentation, public information and current economic trends among other factors. This risk rating system was used as a tool to analyze and monitor loan portfolio quality. Risk ratings meeting an internally specified exposure threshold were updated annually, or more frequently upon the occurrence of a circumstance that affected the credit risk of the loan. We use the following definitions for risk ratings:

Substandard - loans are considered “classified” and have a well-defined weakness, or weaknesses, such as loans that are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard loans are also characterized by the distinct possibility of loss in the future if the deficiencies are not corrected.

Doubtful - loans are considered “classified” and have all the weaknesses inherent in those classified as Substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. There were loans totaling $45 categorized as doubtful as of December 31, 2022.

	Non-Classified		Classified		Total
Commercial and industrial	$	2,969,786	$	55,288	$	3,025,074
Commercial real estate	1,715,415		37,945		1,753,360
Residential real estate	1,096,108		10,685		1,106,793
Consumer	43,592		114		43,706
Total loans	$	5,824,901	$	104,032	$	5,928,933

The following table presents information about collateral dependent loans that were individually evaluated for purposes of determining the ACL as of December 31,:

	Collateral Dependent Loans With Allowance				Collateral Dependent Loans With No Related Allowance		Total Collateral Dependent Loans
	Amortized Cost		Related Allowance		Amortized Cost		Amortized Cost		Related Allowance
2023
Commercial & industrial	$	5,084	$	2,328	$	2,920	$	8,004	$	2,328
Commercial real estate:
Non-owner occupied	—		—		3,844		3,844		—
Owner occupied	—		—		34		34		—
Construction and land	—		—		185		185		—
Total commercial real estate	—		—		4,063		4,063		—
Residential real estate	1,551		103		20,862		22,413		103
Consumer	10		10		—		10		10
Other	2,391		102		446		2,837		102
Total loans	$	9,036	$	2,543	$	28,291	$	37,327	$	2,543
2022
Commercial & industrial	$	6,330	$	1,101	$	3,164	$	9,494	$	1,101
Commercial real estate:
Non-owner occupied	115		36		2,033		2,148		36
Owner occupied	681		153		5,256		5,937		153
Construction and land	—		—		198		198		—
Total commercial real estate	796		189		7,487		8,283		189
Residential real estate	836		34		9,779		10,615		34
Consumer	91		88		—		91		88
Other	—		—		475		475		—
Total loans	$	8,053	$	1,412	$	20,905	$	28,958	$	1,412

The allowance related to collateral dependent loans reported in the tables above includes qualitative adjustments applied to the loan portfolio that consider possible changes in circumstances that could ultimately impact credit losses and might not be reflected in historical data or forecasted data incorporated in the quantitative models.

Loan Modifications Made to Borrowers Experiencing Financial Difficulty:

The allowance for credit losses incorporates an estimate of lifetime expected credit losses and is recorded on each asset upon origination. The starting point for the estimate of the allowance for credit losses is historical loss information, which includes losses from modifications of receivables to borrowers experiencing financial difficulty. The Company uses a PD/LGD model to determine the allowance for credit losses. An assessment of whether a borrower is experiencing financial difficulty is made at the time of a modification. The loan modifications in the table below did not significantly impact our determination of the allowance for credit losses on loans during 2023.

Because the effect of most modifications made to borrowers experiencing financial difficulty is already included in the allowance for credit losses, a change to the allowance for credit losses is generally not recorded upon modification. Occasionally, the Company modifies loans by providing principal forgiveness that is deemed to be uncollectible; therefore, that portion of the loan is written-off, resulting in a reduction of the amortized cost basis and a corresponding adjustment to the allowance for credit losses. Additionally, the Company may allow a loan to go interest only for a specified period of time.

The following table presents loan modifications that were experiencing financial difficulty during 2023, segregated by modification type, regardless of whether such modifications resulted in a new loan.

	Payment Delay		Interest Rate Reduction		% of Total Class of Loans
Commercial and industrial	$	292	$	—	—	%
Commercial real estate:
Non-owner occupied	—		—		—	%
Owner occupied	—		1,145		0.2	%
Construction and land	—		—		—	%
Multifamily	—		—		—	%
Total commercial real estate	—		1,145		0.2	%
Residential real estate	—		—		—	%
Public finance	—		—		—	%
Consumer	—		—		—	%
Other	—		—		—	%
Total loans	$	292	$	1,145	0.2	%

There were no commitments to lend additional funds to these borrowers at December 31, 2023.

The financial effects of our loan modifications made to borrowers experiencing financial difficulty during 2023 were not significant.

We closely monitor the performance of loan modifications made to borrowers experiencing financial difficulty to understand the effectiveness of the modification efforts. There were no loans past due that have been modified in the last 12 months. There is one commercial and industrial loan totaling $292 on nonaccrual status that has been modified in the last 12 months.

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Mortgage Servicing Rights

12 Months Ended

Dec. 31, 2023

Transfers and Servicing [Abstract]

Mortgage Servicing Rights

Mortgage Servicing Rights

The unpaid principal loan balance of our servicing portfolio is presented in the following table as of December 31,:

	2023		2022
Federal National Mortgage Association	$	2,478,732	$	2,517,434
Federal Home Loan Mortgage Corporation	1,736,329		1,630,403
Government National Mortgage Association	1,094,438		916,455
Federal Home Loan Bank	105,702		111,699
Other	1,258		1,413
Total	$	5,416,459	$	5,177,404

The activity of MSRs carried at fair value is as follows for the years ended December 31,:

	2023		2022		2021
Balance, beginning of period	$	74,097	$	47,392	$	29,144
Additions:
Servicing resulting from transfers of financial assets	9,253		14,287		23,854
Changes in fair value:
Due to changes in valuation inputs or assumptions used in the valuation model	30		20,350		6,093
Changes in fair value due to pay-offs, pay-downs, and runoff	(6,679)		(7,932)		(11,699)
Balance, end of period	$	76,701	$	74,097	$	47,392

The following represents the weighted-average key assumptions used to estimate the fair value of MSRs as of December 31,:

	2023		2022		2021
Discount rate	10.06	%	9.85	%	9.22	%
Total prepayment speeds	7.79	%	7.40	%	11.52	%
Cost of servicing each loan	$90/per loan		$88/per loan		$85/per loan

Total servicing and ancillary fees earned from the mortgage servicing portfolio is presented in the following table for the years ended December 31,:

	2023		2022		2021
Servicing fees	$	14,913	$	14,675	$	12,092
Late and ancillary fees	761		413		433
Total	$	15,674	$	15,088	$	12,525

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Premises and Equipment

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Premises and Equipment

Premises and Equipment

A summary of premises and equipment is as follows:

	Estimated Useful Lives	2023		2022
Land	N/A	$	18,903	$	18,903
Buildings and improvements	5 - 39 years	80,948		80,565
Equipment	3 - 10 years	27,080		25,987
Automobiles	5 years	223		166
Software	1 - 7 years	9,092		7,200
Construction in progress	N/A	1,207		1,360
Premises and equipment		137,453		134,181
Less: Accumulated depreciation and amortization		(52,611)		(46,067)
Premises and equipment, net		$	84,842	$	88,114

We had depreciation and amortization expense as follows for the years ended December 31,:

	2023		2022		2021
Depreciation expense	$	6,553	$	7,118	$	6,118
Software amortization expense	$	867	$	835	$	1,063
Total depreciation and amortization expense	$	7,420	$	7,953	$	7,181

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Core Deposits and Other Intangible Assets

12 Months Ended

Dec. 31, 2023

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Core Deposits and Other Intangible Assets

Core Deposits and Other Intangible Assets

Activity in our core deposits and other intangible assets was as follows as of and for the years ended December 31,:

	Indefinite-Lived Assets		Finite Lived Assets
	Tradenames		Core Deposits Intangibles		Customer Relationships		Non-compete Agreements		Total
2023
Balance, beginning of year	$	1,800	$	13,159	$	748	$	99	$	15,806
Amortization	—		(4,538)		(185)		(99)		(4,822)
Balance, end of year	$	1,800	$	8,621	$	563	$	—	$	10,984
2022
Balance, beginning of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250
Additions	—		11,327		—		444		11,771
Amortization	—		(3,167)		(703)		(345)		(4,215)
Balance, end of year	$	1,800	$	13,159	$	748	$	99	$	15,806
2021
Balance, beginning of year	$	1,800	$	6,211	$	1,656	$	—	$	9,667
Amortization	—		(1,212)		(205)		—		(1,417)
Balance, end of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250

During the years ended December 31, 2023, 2022 and 2021, there was no indication of impairment of our core deposits and other intangible assets.

Future amortization expense of our core deposits and other intangible assets is as follows:

2024	$	2,605
2025	2,312
2026	2,006
2027	1,142
2028	920
Thereafter	199
Total future amortization	$	9,184

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Derivative Financial Instruments

12 Months Ended

Dec. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

Banking Derivative Financial Instruments:

We are exposed to changes in the fair value of certain of our fixed-rate assets due to changes in benchmark interest rates. We use interest rate swaps to manage our exposure to changes in fair value on these instruments attributable to changes a designated benchmark interest rate, such as SOFR. Interest rate swaps designated as fair value hedges involve the receipt of variable-rate amounts from a counterparty in exchange for us making fixed-rate payments over the life of the agreements without the exchange of the underlying notional amount. The carrying amount of hedged loans receivable and available-for-sale securities as of December 31, 2023 and 2022 was $184,829 and $181,377, respectively. The cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged loans receivable as of December 31, 2023 and 2022 was $(9,567) and $(12,752), respectively. The cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged available-for-sale securities as of December 31, 2023 and 2022 was $3,168 and $2,879, respectively. The hedges were determined to be effective during all periods presented and we expect the hedges to remain effective during their remaining terms.

Derivatives not designated as hedges are not speculative and result from a service we provide to certain customers. We execute interest rate swaps with banking customers to facilitate their respective risk management strategies. Those interest rate swaps are simultaneously hedged by offsetting derivatives that we execute with a third-party, such that we minimize our net risk exposure resulting from such transactions. As the interest rate derivatives associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings. These instruments are a component of prepaid expenses and other assets and accrued expenses and other liabilities.

The components of our banking derivative financial instruments consisted of the following as of December 31,:

	Number of Transactions	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028 - 2036	$	195,935	$	12,737
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,931
Other	1	2025	$	14,638	$	7
Liabilities:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,869
Other	2	2028	$	6,168	$	30
2022
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028-2036	$	201,906	$	15,636
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	41	2024-2037	$	338,770	$	24,615
Other	1	2025	$	14,638	$	—
Liabilities:
Interest Rate Products	41	2024-2037	$	338,770	$	24,242

We recorded gains and losses on banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded gain (loss) on banking derivative assets	$	4,482	$	28,783	$	(777)
Recorded (loss) gain on banking derivative liabilities	$	(4,820)	$	(27,973)	$	1,172

For the years ended December 31, 2023, 2022 and 2021 our banking derivative financial instruments not designated as hedging instruments generated fee income of $1,451, $2,152 and $2,309, respectively.

Credit-risk-related Contingent Features:

We have agreements with each of our derivative counterparties that contain a provision where if we either default or are capable of being declared in default on any of our indebtedness, then we could also be declared in default on our derivative obligations.

We also have agreements with our derivative counterparties that contain a provision where if we fail to maintain our status as a well-capitalized institution, then our derivative counterparties have the right, but not the obligation to terminate existing swaps. As of December 31, 2023 and 2022, the fair value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $20,508 and $24,677, respectively. As of December 31, 2023 and 2022, we have minimum collateral posting thresholds with our derivative counterparties and have posted collateral of $9,040 and $8,790, respectively. If we had breached any of these provisions at December 31, 2023, we could have been required to settle our obligations under the agreements at their termination value of $20,508.

Mortgage Banking Derivative Financial Instruments:

The components of our mortgage banking derivative financial instruments consisted of the following as of December 31,:

	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments
Assets:
Futures	2024	$	28,700	$	2,153
Interest rate lock commitments (IRLC)	2024	$	41,404	$	252
Liabilities:
Forward MBS trades	2024	$	77,000	$	606
2022
Derivative financial instruments
Assets:
Futures	2023	$	85,000	$	36
Liabilities:
Forward MBS trades	2023	$	21,800	$	225
Interest rate lock commitments (IRLC)	2023	$	52,533	$	60

We recorded gains and losses on mortgage banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded (loss) gain on mortgage banking derivative     assets	$	(857)	$	233	$	(9,655)
Recorded (loss) gain on mortgage banking derivative liabilities	$	(642)	$	(15,863)	$	246

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Prepaid Expenses and Other Assets

12 Months Ended

Dec. 31, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Assets

Prepaid Expenses and Other Assets

The components of prepaid expenses and other assets consisted of the following as of December 31,:

	2023		2022
Derivative financial instruments	$	35,080	$	40,287
Right-of-use asset on leased property	24,227		28,404
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
Fiserv ATM compensating balance	11,308		9,865
Prepaid expenses	7,617		7,691
CRA investments	4,370		2,357
Federal and state tax receivables, net	3,640		1,101
Artwork	944		944
SBA servicing rights	163		236
Other	23,542		21,681
Total prepaid expenses and other assets	$	134,321	$	124,790

For additional information regarding our right-of-use asset on leased property, see Note 25 - Lease Commitments.

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Deposits

12 Months Ended

Dec. 31, 2023

Statistical Disclosure for Banks [Abstract]

Deposits

Deposits

The composition of our deposits is as follows as of December 31,:

	2023		2022
Noninterest-bearing demand deposit accounts	$	1,530,506	$	1,820,490
Interest-bearing deposit accounts:
Interest-bearing demand accounts	534,540		212,357
Savings accounts and money market accounts	2,446,632		2,759,969
NOW accounts	56,819		50,224
Certificate of deposit accounts:
Less than $100	714,171		241,322
$100 through $250	569,696		270,790
Greater than $250	521,739		409,910
Total interest-bearing deposit accounts	4,843,597		3,944,572
Total deposits	$	6,374,103	$	5,765,062

The following table summarizes the interest expense incurred on our deposits for the years ended December 31,:

	2023		2022		2021
Interest-bearing deposit accounts:
Interest-bearing demand accounts	$	11,235	$	1,637	$	379
Savings accounts and money market accounts	30,977		7,569		4,752
NOW accounts	339		138		377
Certificate of deposit accounts	58,804		3,810		3,036
Total interest-bearing deposit accounts	$	101,355	$	13,154	$	8,544

The remaining maturity on certificate of deposit accounts is as follows as of December 31, 2023:

2024	$	1,667,847
2025	118,408
2026	9,440
2027	3,926
2028	3,153
Thereafter	2,832
Total certificate of deposit accounts	$	1,805,606

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Securities Sold Under Agreements to Repurchase

12 Months Ended

Dec. 31, 2023

Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned [Abstract]

Securities Sold Under Agreements to Repurchase

Securities Sold Under Agreements to Repurchase

Information concerning securities sold under agreements to repurchase is as follows as of and for years ended December 31,:

	2023			2022
Amount outstanding at period-end	$	24,693		$	36,721
Average daily balance during the period	$	28,316		$	54,335
Average interest rate during the period	0.84		%	0.27		%
Maximum month-end balance during the period	$	40,432		$	70,838
Weighted average interest rate at period-end	0.91		%	0.42		%

At December 31, 2023 and 2022, such agreements were secured by investment and mortgage-related securities with an approximate carrying amount of $30,810 and $48,931, respectively. Pledged securities are maintained by safekeeping agents at the direction of the Bank. Our agreements to repurchase generally mature daily, and are considered to be in an overnight and continuous position.

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Debt

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Debt

Debt

FHLB advances:

The following is a breakdown of our FHLB advances and other borrowings outstanding as of December 31,:

	2023				2022
	Amount		Rate	Weighted Average Rate	Amount		Rate	Weighted Average Rate
Variable rate line-of-credit advance	$	389,468	5.55%	N/A	$	643,885	4.48%	N/A

The advances were collateralized by $1,674,096 and $1,630,939 of loans pledged to the FHLB as of December 31, 2023 and 2022, respectively. All FHLB advances as of December 31, 2023 consisted of overnight borrowings with a maturity of January 1, 2024.

As of December 31, 2023 and 2022, the Bank had total borrowing capacity with the FHLB that is based on qualified collateral lending values of $1,192,022 and $1,139,356, respectively. Our additional borrowing availability with the FHLB at December 31, 2023 was $706,367. These borrowings can be in the form of additional term advances or a line-of-credit.

FRB advances:

We also had a $2,028,410 line-of-credit with the FRB. The agreement bears interest at the Fed Funds target rate and is secured by municipal, agency, mortgage-related and corporate securities. The entire line was available at December 31, 2023.

Other borrowings:

We have lines-of-credit with certain other financial institutions totaling $110,000 as of December 31, 2023. No amounts were drawn on these lines-of-credit in 2023.

Convertible Notes Payable:

On August 31, 2023, the convertible notes of $5,456 matured and were repaid in full. As of December 31, 2022, we had outstanding convertible notes of $5,456. The annual interest rate on these convertible notes was 3.29% with quarterly interest payments. With respect to conversion, each $1 (in thousands) principal amount of the convertible notes was convertible to 15.6717 shares of Parent Company common stock at any time prior to maturity. The conversion feature was not exercised at maturity. Accretion expense for the years ended December 31, 2023, 2022 and 2021 was $101, $1,131 and $746, respectively.

Subordinated Debt:

Subordinated Notes - 2020:

In June and August 2020, we issued a total of $40,000 subordinated notes. The notes pay interest at a fixed rate of 6.00% through June 30, 2025 and subsequently, until maturity, pay interest at a floating rate of three month term SOFR plus 5.89% reset quarterly. Interest is payable on July 1 and January 1 of each year. Such notes are due on July 1, 2030. The notes are not redeemable within the first five years of issuance, except under certain very limited conditions. After five years, we may redeem the notes at our discretion.

We incurred and capitalized $933 of costs related to the issuance of the subordinated notes. As of and for the years ended December 31, 2023, 2022 and 2021, the amortization associated with the debt issuance costs totaled $93, $94 and $93, respectively. Future amortization of the debt issuance costs is expected as follows:

2024	$	93
2025	93
2026	93
2027	93
2028	93
Thereafter	143
Total future amortization	$	608

Subordinated Note - 2022:

On January 13, 2022, we issued a subordinated note totaling $25,000. The note pays interest at a fixed rate of 3.375% through January 15, 2027 and subsequently, until maturity, pay interest at a floating rate of three month term SOFR plus 2.03% reset quarterly. Interest is payable on July 15 and January 15 of each year. Such note is due on January 15, 2032. The note is not redeemable within the first five years of issuance, except under certain very limited conditions. After five years, we may redeem the note at our discretion.

We incurred and capitalized $534 of costs related to the issuance of the subordinated note. As of and for the years ended December 31, 2023 and 2022 the amortization associated with the debt issuance costs totaled $54 and $51, respectively. Future amortization of the debt issuance costs is expected as follows:

2024	$	53
2025	53
2026	53
2027	53
2028	53
Thereafter	164
Total future amortization	$	429

Trust preferred securities:

We have issued $9,279 in trust preferred securities through a special-purpose trust, New Mexico Banquest Capital Trust I (“NMBCT I”). In addition, we have issued $4,640 in trust preferred securities through a special purpose trust, New Mexico Banquest Capital Trust II (“NMBCT II”, and together with NMBCT I, collectively referred to as “NMBCT Trusts”). Interest is payable quarterly at a rate of three-month LIBOR (which was amended to three-month term SOFR as of June 30, 2023) plus 3.35% (8.94% and 7.02% as of December 31, 2023 and 2022, respectively) for the trust preferred securities issued through NMBCT I and at a rate of three-month LIBOR(which was amended to three-month SOFR as of June 30, 2023) plus 2.00% (7.64% and 6.69% as of December 31, 2023 and 2022, respectively) for the trust preferred securities issued through NMBCT II.

This subordinated debt of $13,919 was originally recorded at a discount of $4,293. As of and for the years ended December 31, 2023, 2022 and 2021, accretion associated with the fair value discount totaled $286, $254 and $256, respectively. Future accretion of the valuation discount is expected as follows:

2024	$	382
2025	271
2026	241
2027	246
2028	241
Thereafter	1,189
Total future accretion	$	2,570

The Parent Company fully and unconditionally guarantees the obligations of the NMBCT Trusts on a subordinated basis. The trust preferred securities issued through the NMBCT Trusts are mandatorily redeemable upon the maturity of the debentures on December 19, 2032 and November 23, 2034, respectively, and are optionally redeemable, in part or in whole, by the Parent Company at each quarterly interest payment date. The Parent Company owns all of the outstanding common securities of the NMBCT Trusts, which have an aggregate liquidation valuation amount of $419 and is recorded in prepaid expenses and other assets on the consolidated balance sheet. The NMBCT Trusts are considered variable interest entities. Since the Parent Company is not the primary beneficiary of the NMBCT Trusts, the financial statements of the NMBCT Trusts are not included in our consolidated financial statements.

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Accrued Expenses and Other Liabilities

12 Months Ended

Dec. 31, 2023

Payables and Accruals [Abstract]

Accrued Expenses And Other Liabilities

Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities consisted of the following as of December 31,:

	2023		2022
Lease liability	$	26,431	$	31,267
Salary and employee benefits	30,549		29,834
Derivative financial instruments	20,505		24,527
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
FRB courtesy inclearings	6,139		6,821
Professional fees	1,607		1,757
Property taxes payable	1,260		886
MPF servicing principal and interest payable	522		885
Other	14,927		15,884
Total accrued expenses and other liabilities	$	125,370	$	124,085

For additional information regarding our lease liability, see Note 25 - Lease Commitments.

For certain loans that we have sold to Ginnie Mae, we as the issuer have the unilateral right to repurchase without Ginnie Mae’s prior authorization any individual loan in a Ginnie Mae securitization pool if that loan meets certain criteria, including being delinquent greater than 90 days. Once we have the unilateral right to repurchase a delinquent loan, we have effectively regained control over the loan, and under U.S. GAAP, must re-recognize the loan on our consolidated balance sheet and establish a corresponding repurchase liability regardless of our intention to repurchase the loan.

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Earnings Per Share

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic earnings per share, excluding dilution, is computed by dividing earnings available to common stockholders’ by the weighted average number of shares of common stock outstanding during the period. Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised and converted into common stock or resulted in the issuance of common stock that could then share in our earnings.

The following table sets forth the computation of basic and diluted earnings per share of common stock as of and for the years ended December 31,:

	2023		2022		2021
Net income applicable to common stockholders	$	103,533	$	59,182	$	43,164
Weighted Average Shares
Weighted average common shares outstanding	24,938,359		23,245,598		18,321,794
Effect of dilutive securities
Stock-based awards	448,837		592,873		448,991
Weighted average diluted common shares	25,387,196		23,838,471		18,770,785
Earnings per common share
Basic earnings per common share	$	4.15	$	2.55	$	2.36
Effect of dilutive securities
Stock-based awards	(0.07)		(0.07)		(0.06)
Diluted earnings per common share	$	4.08	$	2.48	$	2.30

There were no antidilutive securities for the year ended December 31, 2023. Convertible notes payable for 85,500 shares of common stock and stock-based awards for 1,699 were not considered in computing diluted earnings per share for the year ended December 31, 2022, because they were antidilutive. Convertible notes payable for 323,984 shares of common stock were not considered in computing diluted earnings per share for the year ended December 31, 2021 because they were antidilutive.

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Accumulated Other Comprehensive Income

12 Months Ended

Dec. 31, 2023

AOCI Attributable to Parent [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Income

The following table sets forth the components in accumulated other comprehensive income for the years ended December 31,:

	2023		2022		2021
Securities available-for-sale:
Balance, beginning of year	$	(46,157)	$	1,664	$	9,119
Unrealized loss	1,002		(63,302)		(9,870)
Income tax effect	(244)		15,481		2,415
Net unrealized loss	758		(47,821)		(7,455)
Reclassifications out of AOCI (1)	—		—		—
Other comprehensive loss, net of tax	758		(47,821)		(7,455)
Balance, end of year	$	(45,399)	$	(46,157)	$	1,664
Fair value hedges of securities available-for-sale:
Balance, beginning of year	$	2,174	$	—	$	—
Unrealized gain	289		2,879		—
Income tax effect	(71)		(705)		—
Net unrealized gain	218		2,174		—
Balance, end of year	$	2,392	$	2,174	$	—
(1) Reclassifications are reported in noninterest income on the Consolidated Statements of Income and Comprehensive Income

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Stockholders' Equity

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Stockholders' Equity

Stockholders’ Equity

As of December 31, 2023 and 2022, the Company has 10,000,000 shares of preferred stock authorized, $0.0001 par value, of which none were issued or outstanding, respectively.

As of December 31, 2023 and 2022, the Company has 50,000,000 shares of common stock authorized, $0.0001 par value, of which 24,960,639 and 24,920,984 shares were issued and 24,960,639 and 24,920,984 shares were outstanding, respectively.

Treasury stock:

Activity in treasury stock is as follows for the years ended December 31,:

	2023			2022
	Shares	Amount		Shares	Amount
Balance, beginning of year	—	$	—	1,557,054	$	38,148
Purchases	—	—		—	—
Issuances	—	—		(1,557,054)	(38,148)
Balance, end of year	—	$	—	—	$	—

All purchases were in conjunction with the stock repurchase program that expired in 2022, and shares were held-in-treasury at $24.50 per share.

Dividends:

Dividends paid by the Company, if any, are substantially provided from Bank dividends. The Bank may declare dividends without prior regulatory approval that do not exceed the total of retained net income for the current year combined with its retained net income for the preceding two years, subject to maintenance of minimum capital requirements. During 2023 and 2022, the Bank paid dividends totaling $26,000 and $8,000, respectively, to the Parent Company. During 2023 and 2022, Logia paid dividends totaling $595 and $700, respectively, to the Parent Company. The Bank and Logia did not declare or pay any dividends in 2021. The Parent Company did not declare or pay any dividend in 2023, 2022 or 2021.

Equity Incentive Plans:

2017 Equity Incentive Plan

The 2017 Equity Incentive Plan (the “2017 Plan”) provides for the grant of stock options, stock appreciation rights, restricted stock and other stock awards to its employees, directors and consultants for up to 1,977,292 shares of FirstSun common stock in the aggregate.

Option awards are generally granted with an exercise price of not less than the fair value of a share of the Company’s common stock at the date of grant, they vest 25% on the first, second, third and fourth anniversaries following the date of grant and have 10 year contractual terms. The fair value of each stock option award is estimated on the date of grant utilizing the Black-Scholes option pricing model. Expected volatility was determined based on the median historical volatility of 25 to 30 comparable companies that were publicly traded for a period commensurate with the expected term of the options. The expected term of the options was estimated to be the average of the contractual vesting term and time to contractual expiration. The risk-free rate for the expected term of the stock options was based on the U.S. Treasury yield curve in effect at the date of grant.

The following table presents stock options outstanding as of and for the years ended December 31,:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	1,307,915	$	20.23
Exercised	(62,915)	19.72
Outstanding, end of period	1,245,000	$	20.25	4.29
Options vested or expected to vest	1,245,000	$	20.25
Options exercisable, end of period	1,198,624	$	20.13	4.21
2022
Outstanding, beginning of period	1,412,900	$	20.19
Exercised	(104,985)	19.72
Outstanding, end of period	1,307,915	$	20.23	5.26
Options vested or expected to vest	1,307,915	$	20.23
Options exercisable, end of period	1,191,032	$	20.03	5.05

At December 31, 2023, there was $136 of total unrecognized compensation cost related to non-vested stock options. The unrecognized compensation cost at December 31, 2023 is expected to be recognized over the following two years. At December 31, 2023 and 2022, the intrinsic value of the stock options was $16,392 and $21,216, respectively.

2021 Equity Incentive Plan

The FirstSun Capital Bancorp 2021 Equity Incentive Plan (the “2021 Plan”) provides for the grant of stock options, stock appreciation rights, restricted stock and other stock awards to its employees, directors and consultants for up to 2,476,571 shares of FirstSun common stock in the aggregate. Additionally, we established the FirstSun Capital Bancorp Long-Term Incentive Plan (“LTIP”), which became effective April 1, 2022. The LTIP is intended to qualify as a “top-hat” plan under ERISA that is unfunded and provides benefits only to a select group of management or highly compensated employees of FirstSun or the Bank.

In May 2022, we issued 11,344 shares of restricted stock that were fully vested in May 2023. In May 2023, we issued 15,007 shares of restricted stock that will fully vest in May 2024. At December 31, 2023, there was $135 of total unrecognized compensation cost related to the non-vested restricted stock.

In May 2023, we issued performance-based restricted stock under the LTIP that, subject to the achievement of performance conditions, will fully vest in April 2026. At December 31, 2023, we determined it is probable that 97,694 shares will be issued based upon the probability that the performance conditions will be achieved. At December 31, 2023, there was $2,052 of total unrecognized compensation cost related to the non-vested restricted stock granted on these probable shares.

In May 2022, we issued performance-based restricted stock under the LTIP that, subject to the achievement of performance conditions, will fully vest in April 2025. At December 31, 2023, we determined it is probable that 59,099 shares will be issued based upon the probability that the performance conditions will be achieved. At December 31, 2023, there was $879 of total unrecognized compensation cost related to the non-vested restricted stock granted on these probable shares.

For the years ended December 31, 2023, 2022 and 2021, we recorded total compensation cost from the 2017 and 2021 Plans of $2,127, $1,448 and $2,998, respectively.

Acquired Equity Incentive Plans

In conjunction with the Pioneer merger, we assumed certain options that had been granted under Pioneer’s option plans. All assumed options were fully vested and exercisable. No further options will be granted under the Pioneer plans. The following table presents option activity:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	170,711	$	23.19
Exercised	(40,719)	23.88
Forfeited	(8,091)	18.76
Outstanding, vested, and exercisable, end of period	121,901	$	23.26	3.87
2022
Outstanding, beginning of period	—	$	—
Options assumed from Pioneer Bancshares, Inc.	431,645	23.32
Exercised	(259,890)	23.40
Forfeited	(1,044)	24.90
Outstanding, vested, and exercisable, end of period	170,711	$	23.19	5.62

At December 31, 2023 and 2022, the intrinsic value of the stock options was $1,239 and $2,263, respectively.

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Income Taxes

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The provision for income tax is summarized as follows for the years ended December 31,:

	2023		2022		2021
Current	$	24,938	$	5,637	$	5,533
Deferred	3,012		9,203		3,145
Total income tax expense	$	27,950	$	14,840	$	8,678

A reconciliation of the provision for income taxes, with the amount computed by applying the statutory U.S. federal income tax rates to income before provision for income taxes is as follows for the years ended December 31,:

	2023		2022		2021
Income tax provision computed at U.S. federal statutory rate	$	27,611	$	15,545	$	10,887
State tax expense, net of U.S. federal effect	3,718		2,359		1,836
Tax exempt interest	(4,017)		(4,011)		(4,562)
Net increase in cash surrender value of BOLI	(405)		(353)		(268)
Non-deductible professional fees	—		216		648
Executive compensation	301		727		—
Other	742		357		137
Income tax provision	$	27,950	$	14,840	$	8,678
Effective tax provision rate	21.3%		20.0%		16.7%

Significant components of deferred tax assets and liabilities are as follows as of December 31,:

	2023		2022
Deferred tax assets:
Federal and state net operating loss	$	22,852	$	25,118
Allowance for credit losses	18,950		15,537
Unrealized loss on securities	13,920		14,235
Deferred compensation	3,005		4,756
Fair value adjustments on loans	1,626		2,428
Share-based compensation	2,529		2,208
Accrued expenses	881		1,320
Deferred loan fees	826		1,044
Lease liability	519		1,044
Fair value adjustments on deposits	99		326
Other real estate owned and foreclosed assets	—		7
Other	5,437		4,559
Total deferred tax assets	70,644		72,582
Deferred tax liabilities:
Mortgage servicing rights	18,079		17,465
Fair value adjustments on intangible assets	2,889		3,596
Prepaid expenses	1,193		1,143
Premises and equipment	1,281		918
Fair value adjustments on debt	606		700
FHLB stock	144		196
Other	193		209
Total deferred tax liabilities	24,385		24,227
Total deferred tax assets, net	$	46,259	$	48,355

As of December 31, 2023, we had net operating loss carryforwards for U.S. federal income tax purposes of approximately $105,392 which begin to expire in 2030. As of December 31, 2023, we had net operating loss carryforwards for state tax purposes of approximately $12,206 which begin to expire in 2024. Utilization of a portion of the net operating losses may be subject to a substantial annual limitation due to the ownership change limitations set forth in Internal Revenue Code Section 382 and similar state provisions. Such an annual limitation could result in the expiration of the net operating loss carryforwards before utilization. We believe that all of the net operating loss carryforwards will be used prior to expiration.

We evaluate uncertain tax positions at the end of each reporting period. We may recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefit recognized in the financial statements from any such position is measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate settlement. As of December 31, 2023 and 2022, we concluded there were no material uncertain tax positions.

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Other Noninterest Expenses

12 Months Ended

Dec. 31, 2023

Other Income and Expenses [Abstract]

Other Noninterest Expenses

Other Noninterest Expenses

Significant components of other noninterest expenses are as follows for the years ended December 31,:

	2023		2022		2021
Data processing expenses	$	14,933	$	14,722	$	12,889
Office expenses	4,698		5,203		4,396
Loan appraisal, servicing, and collection expenses	4,179		4,914		4,043
Professional fees	7,663		6,918		4,506
Advertising and marketing expenses	2,810		2,592		3,124
Insurance expenses	6,422		5,050		3,537
Travel and entertainment	3,873		3,750		2,526
Automated teller machine (ATM) and interchange expenses	1,495		1,494		1,176
Deposit expenses and other operational losses	1,894		2,057		1,024
Other	3,347		3,757		3,358
Total other noninterest expenses	$	51,314	$	50,457	$	40,579

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Regulatory Capital Matters

12 Months Ended

Dec. 31, 2023

Regulatory Capital Requirements under Banking Regulations [Abstract]

Regulatory Capital Matters

Regulatory Capital Matters

Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and, additionally for banks, prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can initiate regulatory action.

Under the Basel III rules, the Parent Company and the Bank must hold a capital conservation buffer above the adequately capitalized risk-based capital ratios. The fully phased in capital conservation buffer is 2.50% for all periods presented.

The net unrealized gain or loss on available for sale securities is not included in computing regulatory capital. As of December 31, 2023, both the Parent Company and the Bank met all capital adequacy requirements to which they were subject.

Prompt corrective action regulations provide five classifications: well-capitalized, adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized, although these terms are not used to represent overall financial condition. If adequately capitalized, regulatory approval is required to accept brokered deposits. If undercapitalized, capital distributions are limited, as is asset growth and expansion, and capital restoration plans are required. As of December 31, 2023 and 2022, the most recent regulatory notifications categorized the Bank as well-capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

Actual and required capital amounts for the Parent Company are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount	Ratio
2023
Total risk-based capital to risk-weighted assets:	$	953,331	13.25	%	$	575,434	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	798,167	11.10	%	$	431,575	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	798,167	11.10	%	$	323,682	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	798,167	10.52	%	$	303,410	4.00	%	N/A	N/A
2022
Total risk-based capital to risk-weighted assets:	$	829,712	11.99	%	$	553,440	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	687,602	9.94	%	$	415,080	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	687,602	9.94	%	$	311,310	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	687,602	9.71	%	$	283,353	4.00	%	N/A	N/A

Actual and required capital amounts for the Bank are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
2023
Total risk-based capital to risk-weighted assets:	$	918,050	12.79	%	$	574,280	8.00	%	$	717,850	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	838,199	11.68	%	$	430,710	6.00	%	$	574,280	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	838,199	11.68	%	$	323,033	4.50	%	$	466,603	6.50	%
Tier 1 leverage capital to average assets:	$	838,199	11.05	%	$	303,321	4.00	%	$	379,151	5.00	%
2022
Total risk-based capital to risk-weighted assets:	$	815,335	11.81	%	$	552,237	8.00	%	$	690,296	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	748,105	10.84	%	$	414,177	6.00	%	$	552,237	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	748,105	10.84	%	$	310,633	4.50	%	$	448,692	6.50	%
Tier 1 leverage capital to average assets:	$	748,105	10.56	%	$	283,245	4.00	%	$	354,056	5.00	%

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Transactions with Related Parties

12 Months Ended

Dec. 31, 2023

Related Party Transactions [Abstract]

Transactions with Related Parties

Transactions with Related Parties

We have and may be expected to have in the future, banking transactions in the ordinary course of business with directors, significant stockholders, principal officers and their immediate families and affiliated companies in which they are principal stockholders (commonly referred to as related parties).

Loans:

As of December 31, 2023 and 2022, outstanding loans with related parties totaled $2,601 and $2,940, respectively. As of December 31, 2023, there were unused lines of credit with directors or officers totaling $1,231.

Deposits:

As of December 31, 2023 and 2022, deposits with related parties totaled $51,759 and $4,662, respectively.

Director Fees:

Fees paid to directors of the Company and the Bank for the year ended December 31, 2023, 2022 and 2021 totaled $535, $488 and $310, respectively.

Principal Officers:

On November 8, 2023, FirstSun acquired all membership interests of FEIF Capital Partners, LLC, a Delaware limited liability company (“FEIF”) from our chief executive officer for $150 and assumed liabilities of $11. FEIF currently has no operations. FEIF owns FEIF GP, LLC, a limited liability company with no assets. These entities will provide investment management services and are related to a future business activity of the Company.

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Fair Value Measurements

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

A description of the valuation methodologies used for the assets measured at fair value on a recurring basis, as well as the general classification of such assets pursuant to the fair value hierarchy, is set forth below.

Available-for-sale securities - Where quoted market prices are available in an active market, securities are classified within Level 1 of the valuation hierarchy. Level 1 securities would include highly liquid exchange traded equities and mutual funds. If quoted market prices are not available, then fair values are estimated by using pricing models or quoted prices of securities with similar characteristics. Level 2 securities include U.S. treasury and agency securities, mortgage-related agency securities, mortgage-related private label securities, obligations of states and political subdivisions and asset backed and other securities.

Loans held-for-sale - Mortgage loans originated and intended for sale in the secondary market are classified as mortgage loans held-for-sale and recorded at fair value. The changes in fair value of mortgage loans held-for-sale are measured and recorded as a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income. Since estimated fair value is based on sale, exchange, or dealer market prices, these assets are classified within Level 2 of the valuation hierarchy.

Mortgage servicing rights - We estimate the fair value of our MSRs using a process that combines the use of a discounted cash flow model and analysis of current market data to arrive at an estimate of fair value. The cash flow assumptions and prepayment assumptions used in the model are based on various factors, with the key assumptions being mortgage prepayment speeds, discount rates, and cost to service. These assumptions are generated and applied based on collateral stratifications including product type, remittance type, geography, delinquency, and coupon dispersion. These assumptions require the use of judgment by management and can have a significant impact on the fair value of the MSRs. We use a third-party consulting firm to assist us with the valuation of MSRs. Because of the nature of the valuation inputs, we classify these valuations as Level 3 in the fair value disclosures. For further details on our level 3 inputs related to MSRs, see Note 5 - Mortgage Servicing Rights.

Derivative financial instruments:

Banking Activities - Interest rate swaps are valued based on quoted prices for similar assets in an active market with inputs that are observable. These instruments are a component of prepaid expenses and other assets and accrued expenses and

other liabilities. The initial and subsequent changes in fair value of the interest rate swaps and the economic hedge derivatives are a component of other noninterest income.

Mortgage Banking Activities - The estimated fair value of forward mortgage sales of mortgage-backed securities and forward sale commitments are based on exchange prices or the dealer market price and are recorded as a component of prepaid expenses and other assets, mortgage loans held-for-sale, and/or accrued expenses and other liabilities on the consolidated balance sheet. The initial and subsequent changes in value on forward sales of mortgage-based securities and forward sale commitments are a component of gain on mortgage loans held-for-sale. The estimated fair value of IRLCs is based on the fair value of the related mortgage loans which is based on observable market data for similar loan product type. We adjust the outstanding IRLCs with prospective borrowers based on an expectation that it will be exercised and the loan will be funded. The initial and subsequent changes in the value of IRLCs are a component of gain on mortgage loans held-for-sale.

Derivative financial instruments are classified within Level 2 of the valuation hierarchy.

The following table sets forth our assets and liabilities measured at fair value on a recurring basis as of December 31,:

	Level 1		Level 2		Level 3
	Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs		Total Estimated Fair Value
2023
Available-for-sale securities	$	54,234	$	462,523	$	—	$	516,757
Loans held-for-sale	—		54,212		—		54,212
Mortgage servicing rights	—		—		76,701		76,701
Derivative financial instruments - assets	—		35,080		—		35,080
Derivative financial instruments - liabilities	—		(20,505)		—		(20,505)
Total	$	54,234	$	531,310	$	76,701	$	662,245
2022
Available-for-sale securities	$	56,649	$	480,324	$	—	$	536,973
Loans held-for-sale	—		57,323		—		57,323
Mortgage servicing rights	—		—		74,097		74,097
Derivative financial instruments - assets	—		40,287		—		40,287
Derivative financial instruments - liabilities	—		(24,527)		—		(24,527)
Total	$	56,649	$	553,407	$	74,097	$	684,153

There were not any transfers between Level 2 and Level 3 during the years ended December 31, 2023 and 2022.

The following table presents a reconciliation for our Level 3 assets measured at fair value on a recurring basis as of and for the years ended December 31,:

	2023		2022		2020
Balance, beginning of year	$	74,097	$	47,392	$	29,144
Total (losses) gains included in earnings	(6,649)		12,418		(5,606)
Purchases, issuances, sales and settlements:
Issuances	9,253		14,287		23,854
Balance, end of year	$	76,701	$	74,097	$	47,392

Certain financial assets and financial liabilities are regularly measured at fair value on a nonrecurring basis; that is, the instruments are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment). Assets and liabilities measured at fair value on a nonrecurring basis include the following:

Collateral dependent loans - Loan impairment is reported when full payment under the loan terms is not expected. Fair value is generally based on recent third-party appraisals which are updated on a periodic basis. Impaired loans are carried at the fair value of collateral if the loan is collateral dependent. A portion of the allowance for loan loss is allocated to impaired loans if the value of such loans is deemed to be less than the unpaid balance. If these allocations cause the allowance for loan loss to require an increase, such increase is reported as a component of the provision for credit losses. Credit losses are charged against the allowance for credit losses when management believes the uncollectibility of a loan is confirmed. When loans are partially charged off, the resulting valuation would be considered Level 3, consisting of appraisals of underlying collateral.

Other Real Estate Owned and Foreclosed Assets - Other real estate owned is valued at the time the property is acquired and initially recorded at fair value less costs to sell, establishing a new cost basis. Fair value is generally based on recent third-party real estate appraisals which are updated on a periodic basis. These appraisals may take a single valuation approach using the comparable sales method or use a combination of approaches including the income approach. Adjustments are routinely made by the appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are typically significant and result in a Level 3 classification of the inputs for determining fair value.

The following table sets forth our assets and liabilities that were measured at fair value on a non-recurring basis as of December 31,:

	Level 3
	2023		2022
Collateral dependent loans:
Commercial and industrial	$	2,756	$	5,229
Commercial real estate	—		607
Residential real estate	1,448		802
Consumer	—		3
Other	2,289		—
Total collateral dependent loans	$	6,493	$	6,641
Other real estate owned and foreclosed assets, net:
Commercial real estate	$	3,133	$	5,391
Residential real estate	967		967
Total other real estate owned and foreclosed assets, net:	$	4,100	$	6,358

The fair value of the financial assets in the table above utilize the market approach valuation technique, with discount adjustments for differences between comparable sales.

Fair value of financial instruments not carried at fair value:

The carrying amounts and estimated fair values of financial instruments not carried at fair value are as follows as of December 31,:

			Estimated Fair Value
	Carrying Value		Total		Level 1		Level 2		Level 3
2023
Assets:
Cash and cash equivalents	$	479,362	$	479,362	$	479,362	$	—	$	—
Securities held-to-maturity	36,983		32,181		—		32,181		—
Loans (excluding collateral dependent loans at fair value)	6,260,603		6,121,749		—		—		6,121,749
Restricted equity securities	38,072		38,072		—		38,072		—
Accrued interest receivable	37,099		37,099		—		2,220		34,879
Liabilities:
Deposits (excluding demand deposits)	$	4,309,057	$	4,298,164	$	2,503,451	$	1,794,713	$	—
Securities sold under agreements to repurchase	24,693		24,693		—		24,693		—
FHLB advances	389,468		389,468		—		389,468		—
Subordinated debt, net	75,313		72,073		—		72,073		—
Accrued interest payable	13,580		13,580		—		13,580		—
2022
Assets:
Cash and cash equivalents	$	343,526	$	343,526	$	343,526	$	—	$	—
Securities held-to-maturity	38,901		33,218		—		33,218		—
Loans (excluding impaired loans)	5,871,274		5,756,197		—		—		5,756,197
Restricted equity securities	50,215		50,215		—		50,215		—
Accrued interest receivable	28,543		28,543		—		2,049		26,494
Liabilities:
Deposits (excluding demand deposits)	$	3,732,215	$	3,696,438	$	2,810,193	$	886,245	$	—
Securities sold under agreements to repurchase	36,721		36,721		—		36,721		—
FHLB advances	643,885		643,885		—		643,885		—
Convertible notes payable, net	5,355		5,329		—		5,329		—
Subordinated debt, net	74,880		71,618		—		71,618		—
Accrued interest payable	5,798		5,798		—		5,798		—

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Parent Company Only Condensed Financial Information

12 Months Ended

Dec. 31, 2023

Condensed Financial Information Disclosure [Abstract]

Parent Company Only Condensed Financial Information

Parent Company Only Condensed Financial Information

The following are the unconsolidated financial statements for the Parent Company on a stand-alone basis. These condensed financial statements should be read in conjunction with the Consolidated Financial Statements and accompanying Notes. The Parent Company's principal sources of funds are cash dividends paid by the Bank to the Parent Company.

Condensed Balance Sheets

As of December 31,

	2023		2022
Assets
Cash and cash equivalents	$	34,050	$	17,312
Deferred tax assets	11,026		13,791
Prepaid expenses and other assets	16,179		12,996
Investment in and advances to subsidiaries	906,504		823,449
Total assets	$	967,759	$	867,548
Liabilities
Convertible notes payable, net	$	—	$	5,355
Subordinated debt, net	75,313		74,880
Accrued expenses and other liabilities	15,249		12,777
Total liabilities	90,562		93,012
Total stockholders’ equity	877,197		774,536
Total liabilities and stockholders’ equity	$	967,759	$	867,548

Condensed Statements of Income and Comprehensive Income

For the years ended December 31,

	2023		2022		2021
Income:
Dividends received from subsidiaries	$	26,595	$	8,700	$	—
Interest income, $0, $2 and $44 from subsidiaries, respectively	36		22		56
Total income	26,631		8,722		56
Expense:
Interest expense	5,049		5,684		4,609
Salary and employee benefits	1,888		1,143		1,305
Occupancy and equipment	189		83		2
Merger related expenses	—		1,598		1,663
Other noninterest expenses, net	2,039		1,380		778
Total expenses	9,165		9,888		8,357
Income (loss) before income taxes and undistributed earnings from subsidiaries	17,466		(1,166)		(8,301)
Equity in undistributed earnings from subsidiaries	83,837		58,047		49,729
Income before income taxes	101,303		56,881		41,428
Benefit from income taxes	(2,230)		(2,301)		(1,736)
Net income	$	103,533	$	59,182	$	43,164
Other comprehensive income (loss), net	976		(45,647)		(7,455)
Comprehensive income	$	104,509	$	13,535	$	35,709

Condensed Statements of Cash Flows

For the years ended December 31,

	2023		2022		2021
Cash flows from operating activities:
Net income	$	103,533	$	59,182	$	43,164
Adjustments to reconcile income to net cash provided by (used in) operating activities:
Amortization and accretion	533		1,529		1,095
(Equity) deficit in undistributed income of subsidiaries	(83,837)		(58,047)		(49,729)
Changes in operating assets and liabilities:
Other assets	(419)		(1,442)		(4,250)
Other liabilities	2,911		293		3,479
Net cash provided by (used in) operating activities	22,721		1,515		(6,241)
Cash flows from investing activities:
Payments for investments in and advances to subsidiaries	—		125		500
Cash paid to acquire FEIF Capital Partners, LLC (for further information, see Note 20 - Transactions with Related Parties)	(150)		—		—
Cash paid in excess of cash acquired in connection with Pioneer Merger	—		(4,140)		—
Contributions to subsidiaries	(210)		—		—
Net cash (used in) provided by investing activities	(360)		(4,015)		500
Cash flows from financing activities:
Repayments of convertible notes payable	(5,456)		(15,217)		—
Proceeds from subordinated debt	—		24,466		—
Proceeds from issuance of common stock, net of issuance costs	(167)		(578)		(66)
Net cash (used in) provided by financing activities	(5,623)		8,671		(66)
Net increase (decrease) in cash and cash equivalents	16,738		6,171		(5,807)
Cash and cash equivalents, beginning of year	17,312		11,141		16,948
Cash and cash equivalents, end of year	$	34,050	$	17,312	$	11,141

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Segment Information

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Segment Information

Segment Information

Our operations are conducted through two operating segments: Banking and Mortgage Operations. Corporate represents costs not allocated to the operating segments. Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses are incurred for which discrete financial information is available that is evaluated regularly by executive management in deciding how to allocate resources and in assessing performance. Operating segments have been determined based on the products and services offered and reflect the manner in which financial information is currently evaluated by management. Each segment operates under the same banking charter, but is reported on a segmented basis for this report. Each of the operating segments is complementary to each other and because of the interrelationship of the segments, the information presented is not indicative of how the segments would perform if they operated as independent entities.

The Banking segment originates loans and provides deposits and fee based services to consumer, business, and mortgage lending customers. Products offered include a full range of commercial and consumer banking and financial services. The interest income on loans held-for-investment is recognized in the Banking segment, excluding newly originated residential first mortgages within the Mortgage Operations segment.

The Mortgage Operations segment originates, sells, services, and manages market risk from changes in interest rates on one-to-four family residential mortgage loans to sell or hold on our balance sheet. Loans originated-to-sell comprise the

majority of the lending activity. The Mortgage Operations segment recognizes interest income on loans that are held-for-sale and newly originated residential mortgages held-for-investment, the gains from one to four family residential mortgage sales, and revenue for servicing loans and other ancillary fees following a sales transaction. Revenue from servicing activities is earned on a contractual fee basis. The Mortgage Operations segment services loans for the held-for-investment portfolio, for which it earns revenue via an intercompany service fee allocation which appears as a cost to Banking in mortgage fees. Forward traded loan purchases and sales settlements as well as mortgage servicing rights and related fair value adjustments are reported in this segment.

Corporate represents miscellaneous other expenses of a corporate nature as well as revenue and expenses not directly assigned or allocated to the Banking or Mortgage Operations segments. The majority of executive management’s time is spent managing operating segments; related costs have been allocated between the operating segments and Corporate.

Revenues are comprised of net interest income before the provision (benefit) for credit losses and noninterest income. Noninterest expenses are allocated to each operating segment. Provision for credit losses is primarily allocated to the Banking segment. Allocation methodologies may be subject to periodic adjustment as management systems evolve and/or the business or product lines within the segments change.

Significant segment totals are reconciled to the financial statements as follows for the year ended December 31,:

	Banking		Mortgage Operations		Corporate		Total Segments
2023
Summary of Operations
Net interest income (expense)	$	292,573	$	5,871	$	(5,013)	$	293,431
Provision for credit losses	15,790		2,457		—		18,247
Noninterest income:
Service charges on deposit accounts	21,345		—		—		21,345
Credit and debit card fees	11,997		3		—		12,000
Trust and investment advisory fees	5,693		—		—		5,693
(Loss) income from mortgage banking services, net	(1,676)		33,060		—		31,384
Other noninterest income	8,670		—		—		8,670
Total noninterest income	46,029		33,063		—		79,092
Noninterest expense:
Salary and employee benefits	106,030		25,313		1,888		133,231
Occupancy and equipment	30,461		2,775		190		33,426
Other noninterest expenses	39,165		14,933		2,038		56,136
Total noninterest expense	175,656		43,021		4,116		222,793
Income (loss) before income taxes	$	147,156	$	(6,544)	$	(9,129)	$	131,483
Other Information
Depreciation expense	$	6,320	$	233	$	—	$	6,553
Identifiable assets	$	6,907,741	$	910,728	$	61,255	$	7,879,724

	Banking		Mortgage Operations		Corporate		Total Segments
2022
Summary of Operations
Net interest income (expense)	$	241,840	$	5,455	$	(5,663)	$	241,632
Provision for credit losses	14,781		3,269		—		18,050
Noninterest income:
Service charges on deposit accounts	18,211		—		—		18,211
Credit and debit card fees	11,511		—		—		11,511
Trust and investment advisory fees	6,806		—		—		6,806
(Loss) income from mortgage banking services, net	(3,035)		49,320		—		46,285
Other noninterest income	6,762		(9)		—		6,753
Total noninterest income	40,255		49,311		—		89,566
Noninterest expense:
Salary and employee benefits	94,310		38,456		1,593		134,359
Occupancy	27,407		3,854		83		31,344
Other noninterest expenses	57,082		13,814		2,527		73,423
Total noninterest expense	178,799		56,124		4,203		239,126
Income (loss) before income taxes	$	88,515	$	(4,627)	$	(9,866)	$	74,022
Other Information
Depreciation expense	$	6,754	$	364	$	—	$	7,118
Identifiable assets	$	6,633,383	$	752,841	$	44,098	$	7,430,322

	Banking		Mortgage Operations		Corporate		Total Segments
2021
Summary of Operations
Net interest income (expense)	$	152,515	$	7,270	$	(4,552)	$	155,233
Provision (benefit) for credit losses	3,235		(235)		—		3,000
Noninterest income:
Service charges on deposit accounts	12,504		—		—		12,504
Credit and debit card fees	9,596		—		—		9,596
Trust and investment advisory fees	7,795		—		—		7,795
(Loss) income from mortgage banking services, net	(2,409)		88,819		—		86,410
Other noninterest income	7,946		(7)		—		7,939
Total noninterest income	35,432		88,812		—		124,244
Noninterest expense:
Salary and employee benefits	95,064		55,557		1,305		151,926
Occupancy	24,558		3,067		3		27,628
Other noninterest expenses	30,297		12,341		2,443		45,081
Total noninterest expense	149,919		70,965		3,751		224,635
Income (loss) before income taxes	$	34,793	$	25,352	$	(8,303)	$	51,842
Other Information
Depreciation expense	$	5,728	$	390	$	—	$	6,118
Identifiable assets	$	5,058,281	$	573,552	$	34,981	$	5,666,814

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Commitments:

We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include loan commitments, standby letters of credit, and documentary letters of credit and involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the financial statements. Our exposure to credit loss in the event of nonperformance by the other party of these loan commitments and standby letters of credit is represented by the contractual amount of those instruments. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet financial instruments.

Undistributed portion of committed loans and unused lines of credit:

Loan commitments are agreements to lend to a customer as long as there is no customer violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require a payment of a fee. As of December 31, 2023 and 2022, commitments included the funding of fixed-rate loans totaling $191,415 and $218,309 and variable-rate loans totaling $1,656,434 and $1,727,246, respectively. The fixed-rate loan commitments have interest rates ranging from 1.00% to 18.00% at December 31, 2023 and 2022, respectively, and maturities ranging from 1 month to 19 years at December 31, 2023 and from 1 month to 15 years at December 31, 2022.

Standby letters of credit:

Standby letters of credit are conditional commitments to guarantee the performance of a customer to a third-party. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Since many of the loan commitments and letters of credit expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. We evaluate each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of credit, is based on our credit evaluation of the counterparty. Collateral held varies but may include accounts receivable, inventory, property, plant and equipment, owner-occupied real estate, and/or income-producing commercial properties. As of December 31, 2023 and 2022, our standby letters of credit commitment totaled $14,490 and $17,426, respectively.

MPF Master Commitments:

The Bank has executed MPF Master Commitments (Commitments) with the FHLB to deliver mortgage loans and to guarantee the payment of any realized losses that exceed the FHLB’s first loss account for mortgages delivered under the Commitments. The Bank receives credit enhancement fees from the FHLB for providing this guarantee and continuing to manage the credit risk of the MPF Program mortgage loans. As of December 31, 2023 and 2022, the Bank considered the amount of any of its liability for the present value of the credit enhancement fees less any expected losses in the mortgages delivered under the Commitments to be immaterial, and had not recorded a liability and offsetting receivable. As of December 31, 2023 and 2022 the maximum potential amount of future payments that the Bank would have been required to make under the Commitments was $3,810 and $3,860 respectively. Under the Commitments, the Bank agrees to service the loans and therefore, is responsible for any necessary foreclosure proceedings. Any future recoveries on any losses would not be paid by the FHLB under the Commitments. The Bank has not experienced any material losses under these guarantees.

Contingencies:

We generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. We establish reserves for potential losses related to these representations and warranties if deemed appropriate and such reserves would be recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry.

From time to time, we are a defendant in various claims, legal actions, and complaints arising in the ordinary course of business. We periodically review all outstanding pending or threatened legal proceedings and determine if such matters will have an adverse effect on our business, financial condition, results of operations or cash flows.

Overdraft Fee Litigation:

On September 13, 2021, Samantha Besser filed a putative class action amended complaint against the Bank in the United States District Court for the District of Colorado. The amended complaint alleges that the Bank improperly charged multiple insufficient funds or overdraft fees. The Plaintiff seeks unspecified restitution, actual and statutory damages, costs,

attorneys’ fees, pre-judgment interest, and other relief as the Court deems proper. On September 27, 2021, the Bank filed a motion to dismiss the amended complaint. The motion to dismiss has been fully pled and is before the Court for decision. At this time, the Bank is unable to reasonably estimate the outcome of this litigation.

Check Fraud Litigation

Rodeo Electrical Services, Inc. and its owner (“RESI”) filed a civil action against the Bank on June 23, 2020 in the Santa Fe County, New Mexico District Court. The complaint alleged that the Bank conspired with or otherwise aided a former RESI employee’s embezzlement of approximately $0.4 million from RESI. The complaint sought compensatory, exemplary, statutory and punitive damages, as well as payment of RESI’s legal fees and expenses. On January 18, 2024, the jury awarded RESI approximately $2.1 million which included punitive damages. Final judgment, which could potentially include a supplemental award of RESI’s legal fees and expenses, has not been rendered by the Court. We believe the judgment will be covered by insurance; therefore, such outcome will not have a material financial impact on the Bank.

We establish reserves for contingencies, including legal proceedings, when potential losses become probable and can be reasonably estimated. While the ultimate resolution of any legal proceedings, including the matters described above, cannot be determined at this time, based on information presently available, and after consultation with legal counsel, management believes that the ultimate outcome in these above legal proceedings, either individually or in the aggregate, will not have a material adverse effect on our financial statements. It is possible, however, that future developments could result in an unfavorable outcome for or resolution of any of these proceedings, which may be material to our results of operations for a given fiscal period.

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Lease Commitments

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Lease Commitments

Lease Commitments

Our leases relate primarily to office space and bank branches with remaining lease terms of generally 1 to 15 years. Certain lease arrangements contain extension options which typically range from 5 to 10 years at the then fair market rental rates. As these extension options are not generally considered reasonably certain of exercise, they are not included in the lease term. For leases existing during transition from ASC 840 to ASC 842 at January 1, 2022, extension options were not considered in the remaining lease term.

	2023		2022
ROU asset on leased property, gross	$	36,520	$	35,212
Accumulated amortization	(12,293)		(6,808)
ROU asset, net (Note 9)	$	24,227	$	28,404
Lease liability (Note 13)	$	26,431	$	31,267

The following table reconciles future undiscounted lease payments due under non-cancelable operating leases to the aggregate operating lessee lease liability as of December 31, 2023:

2024	$	7,146
2025	6,145
2026	4,386
2027	2,670
2028	2,488
Thereafter	5,287
Total undiscounted operating lease liability	28,122
Imputed interest	1,691
Total operating lease liability included in the accompanying balance sheet	$	26,431
Weighted Average Remaining Life - Operating Leases	5.56
Weighted Average Rate - Operating Leases	2.10		%

The components of total lease expense was as follows for the years ended December 31,:

	2023		2022
Operating leases	$	7,683	$	7,145
Short-term leases	216		476
Sublease income	(229)		(310)
Net lease expense	$	7,670	$	7,311

Total lease expense for the year ended December 31, 2021 was $6,623.

We do not currently have any significant finance leases in which we are the lessee, material related-party leases, leases containing residual value guarantees or restrictive covenants.

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Revenue from Contracts with Customers

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers

Revenue from Contracts with Customers

Under the guidance of the Revenue from Contracts with Customers (Topic 606), an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration received in exchange for those goods or services.

Revenue is recognized when obligations, under the terms of a contract with our customer, are satisfied, which generally occurs when services are performed. Revenue is measured as the amount of consideration we expect to receive in exchange for providing services.

The disaggregation of our revenue from contracts with customers included in our Banking segment is provided below for the years ended December 31,:

	2023		2022		2021
Service charges on deposit accounts	$	21,345	$	18,211	$	12,504
Credit and debit card fees	12,000		11,511		9,596
Trust and investment advisory fees	5,693		6,806		7,795
Other income	4,930		5,464		4,932
Total	$	43,968	$	41,992	$	34,827

A description of our revenue streams accounted for under ASC 606 is as follows:

Service charges on deposit accounts:

We charge depositors various deposit account service fees including those for outgoing wires, overdrafts, stop payment orders, and ATM fees. These fees are generated from a depositor’s option to purchase services offered under the contract and are only considered a contract when the depositor exercises their option to purchase these account services. Therefore, we deem the term of our contracts with depositors to be day-to-day and do not extend beyond the services already provided. Deposit account and other banking fees are recorded at the point in time we perform the requested service.

Credit and debit card fees:

We collect interchange fee income when debit and credit cards that we have issued to our customers, are used in merchant transactions. Our performance obligation is satisfied and revenue is recognized at the point we initiate the payment of funds from a customer’s account to a merchant account.

Trust and investment advisory fees:

We earn trust and investment advisory fees from contracts with our customers to manage assets for investments, and/or transact on their accounts. These fees are primarily earned over time as we provide the contracted monthly, quarterly, or annual services and are generally assessed based on a tiered scale of the market value of assets under management at each month end. Fees that are transaction based are recognized at the point in time that the transaction is executed. Other related services provided include financial planning services and the fees we earn, which are based on a fixed fee schedule, are recognized when the services are rendered.

Other income:

Other income consists of fee income received in connection with administering customer accommodation interest rate swaps, loan syndication fees and miscellaneous charges for services provided to our customers. Customer accommodation interest rate swap fees and loan syndication fees are earned and recognized at the time of loan origination or syndication. Miscellaneous charges for services provided to our customers consists of fees that are generated from a customer’s option to purchase services offered under the contract and are only considered a contract when the customer exercises their option to purchase these services. Therefore, we deem the term of our contracts with these customers to be day-to-day and do not extend beyond the services already provided.

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Subsequent Events

12 Months Ended

Dec. 31, 2023

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

The Company has evaluated subsequent events for potential recognition and disclosure through the filing date of this Form 10-K.

Proposed Merger with HomeStreet

On January 16, 2024, FirstSun entered into an Agreement and Plan of Merger, that provides for the combination of FirstSun and HomeStreet. Under the merger agreement, a newly formed wholly-owned subsidiary of FirstSun, will merge with and into HomeStreet, with HomeStreet remaining as the surviving entity and becoming a wholly-owned subsidiary of FirstSun, with FirstSun as the surviving entity, in a transaction we refer to as the “first step merger.” This surviving entity, immediately following the first step merger and as part of a single integrated transaction, will merge with and into FirstSun, in a transaction we refer to as the “second step merger.” Immediately following the completion of the second step merger, HomeStreet Bank will merge with and into Sunflower Bank.

Upon the terms and subject to the conditions set forth in the merger agreement, at the effective time of the merger, each share of common stock of HomeStreet issued and outstanding immediately prior to the merger effective time, subject to certain exceptions, will be converted into the right to receive 0.4345 of a share of FirstSun common stock. Holders of such HomeStreet common stock, subject to certain exceptions, will also be entitled to receive cash in lieu of fractional shares of FirstSun common stock.

Consummation of the proposed HomeStreet merger is subject to the satisfaction of customary closing conditions including receipt of necessary HomeStreet shareholder and regulatory approvals. The merger agreement provides certain termination rights for both FirstSun and HomeStreet and further provides that a termination fee will be payable by either FirstSun or HomeStreet, as applicable, upon termination of the merger agreement under certain circumstances.

The parties to the merger expect to close the merger in the middle of 2024, subject to satisfaction of closing conditions, including receipt of customary required regulatory approvals and the requisite approval by the shareholders of HomeStreet. The combined entity is expected to have total assets of approximately $17 billion and 129 branch locations. The combined entity’s expanded footprint includes, FirstSun’s current presence in the Southwest and Midwest together with HomeStreet’s presence in Southern California, Hawaii and the Pacific Northwest.

Investment Agreements

Upfront Securities Purchase Agreement

Concurrently with entry into the merger agreement, FirstSun entered into an upfront securities purchase agreement (the “Upfront Securities Purchase Agreement”) with certain funds managed by Wellington Management Company, LLP (collectively, the “Wellington Funds”), pursuant to which we issued 2,461,538 shares of our common stock in a private placement for $80.0 million that closed on January 17, 2024.

Under the terms of the Upfront Securities Purchase Agreement, FirstSun is also obligated, concurrently with the closing of the proposed HomeStreet merger, to issue to the Wellington Funds, warrants (the “Warrants”) to purchase approximately 1.15 million shares of FirstSun common stock with such Warrants having an initial exercise price of $32.50 per share. The Warrants will carry a term of three years. In the event the proposed HomeStreet merger is not consummated, no Warrants will be issued.

Acquisition Finance Securities Purchase Agreement

Concurrently with its entry into the HomeStreet merger agreement, FirstSun entered into an acquisition finance securities purchase agreement (the “Acquisition Finance Securities Purchase Agreement,” and together with the Upfront Securities Purchase Agreement, as the “Investment Agreements”), dated January 16, 2024, with the Wellington Funds and certain other institutional investors (who we refer to as “additional institutional investors” and, collectively with the Wellington Funds, as the “institutional investors”). Pursuant to the Acquisition Finance Securities Purchase Agreement, on the terms and subject to the conditions set forth therein, substantially concurrently with the closing of the merger, the institutional investors will invest an aggregate of $95 million in exchange for the sale and issuance, at a purchase price of $32.50 per share, of approximately 2.92 million shares of FirstSun common stock.

Registration Rights Agreements

In connection with the Upfront Securities Purchase Agreement, FirstSun and the Wellington Funds also entered into a registration rights agreement (the “Upfront Registration Rights Agreement”), dated January 16, 2024, pursuant to which FirstSun agreed to, among other things, provide customary resale registration rights with respect to the shares of our common stock obtained by the Wellington Funds pursuant to the Investment Agreements, including those issued upon exercise of the Warrants.

In addition. the Acquisition Finance Securities Purchase Agreement contemplates that, in connection with the closing of the investments under the Acquisition Finance Securities Purchase Agreement, FirstSun will enter into a resale registration rights agreement with each additional institutional investor (the “Acquisition Finance Registration Rights Agreement”), the material terms and conditions of which are consistent with the terms and conditions of the Upfront Registration Rights Agreement.

Charter Amendment

In connection with the proposed merger, the holders of a majority of the voting power of FirstSun common stock executed a written consent approving and adopting an amendment to our certificate of incorporation (the “Charter Amendment”) which will increase the number of FirstSun’s authorized shares of capital stock from 60,000,000 to 110,000,000, consisting of 100,000,000 shares of FirstSun common stock, and 10,000,000 shares of preferred stock and will become effective upon FirstSun’s filing the Charter Amendment with the Secretary of State of the State of Delaware. We plan to file the Charter Amendment prior to the closing of the proposed merger.

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Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pay vs Performance Disclosure
Net income	$ 103,533	$ 59,182	$ 43,164

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Insider Trading Arrangements	3 Months Ended
	Dec. 31, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

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Basis of Presentation, Description of Business and Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Principles of Consolidation

The consolidated financial statements include the accounts of FirstSun Capital Bancorp (“FirstSun” or “Parent Company”) and its wholly-owned subsidiaries, Sunflower Bank, N.A. (the “Bank”), Logia Portfolio Management, LLC, and FEIF Capital Partners, LLC, and have been prepared using U.S. generally accepted accounting principles (“U.S. GAAP”) and prevailing practices in the banking industry.

Principles of Consolidation

All significant intercompany balances and transactions have been eliminated. These entities are collectively referred to as “our”, “us”, “we”, or “the Company”.

Nature of Operations

The Bank’s headquarters were relocated to Dallas, Texas from Denver, Colorado in 2023. The Bank primarily operates throughout Texas, Kansas, Colorado, New Mexico and Arizona providing a full range of commercial and consumer banking and financial services to small and medium-sized companies. Its primary deposit products are checking, savings and term certificate accounts. Its primary wealth management and trust products are personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. Its primary lending products are residential mortgage, commercial and consumer loans. Substantially all loans are secured by specific items of collateral, including business assets, consumer assets, and commercial and residential real estate. Commercial and industrial loans are generally expected to be repaid from the borrower’s cash flow from operations.

Subsequent Events

We evaluate events occurring subsequent to the balance sheet date to determine whether the events required recognition or disclosure in the financial statements. If conditions of a subsequent event existed as of the balance sheet date, depending on materiality, the effects may be required to be recognized and disclosed in the financial statements. If conditions of a subsequent event arose after the balance sheet date, the effects are not required to be recognized in the financial statements, but depending on materiality, may need to be disclosed in the financial statements.

Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions based on available information. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

These estimates are based on historical experience and on various assumptions about the future that are believed to be reasonable based on all available information. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to critical accounting policies. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

Concentration of Credit Risk

We have a significant concentration in residential real estate and commercial and industrial loans within Texas, Kansas, Colorado, New Mexico and Arizona. When necessary, we perform credit evaluations on our customers' financial condition and often request additional guarantees and forms of collateral from our customers. These financial evaluations require significant judgment and are based on a variety of factors including, but not limited to, current economic trends, historical payment patterns, cash flow needs and deposit balances (particularly in light of recent developments in the banking industry) and bad debt write-off experience. Declines in the local or statewide economies could have an adverse impact on our borrowers’ financial condition. Specifically, inflation and higher interest rates, along with monetary events, can cause some of our business customers who have greater operating cash needs to draw on their deposits with us to meet expenses. Adverse developments affecting real estate values in one or more of our markets could increase our credit risk associated with our loan portfolio. Additionally, if loans are not repaid according to their terms, the collateral securing the loans, in those cases where real estate serves as the primary collateral, may not have value equal to the amounts owed under the loan.

Reclassifications

Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior years net income or stockholders’ equity.

Adoption of New Accounting Standards and Change in Accounting Principle and Recent Accounting Pronouncements Not Adopted

As an “emerging growth company” under Section 107 of the JOBS Act, we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, we can delay the adoption of certain accounting standards until those standards would otherwise apply to non-public business entities. We intend to take advantage of the benefits of this extended transition period for an “emerging growth company” for as long as it is available to us. For standards that we have delayed adoption, we may lack comparability to other companies who have adopted such standards.

In June of 2016, the FASB issued ASU 2016-13, Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments, which significantly changes the way that entities are required to measure credit losses. The new standard requires that the estimated credit loss be based upon an “expected credit loss” approach rather than the “incurred loss” approach previously required. The new approach requires entities to measure all expected credit losses for financial assets over their expected lives based on historical experience, current conditions, and reasonable and supportable forecasts of collectability. The expected credit loss model requires earlier recognition of credit losses than the incurred loss approach. We expect ongoing changes in the allowance for credit losses will be driven primarily by the growth of our loan portfolio, credit quality, and the economic environment and related projections at that time. In addition, the ASU developed a new accounting treatment for purchased financial assets with credit deterioration.

The ASU also modifies the other-than-temporary impairment model for available-for-sale debt securities and held-to-maturity debt securities by requiring companies to record an allowance for credit impairment rather than write-downs of such assets.

Management has reviewed this update and other ASUs that were subsequently issued to further clarify the implementation guidance outlined in ASU 2016-13. We adopted the amendments of these ASUs as of January 1, 2023.

Upon adoption, we recorded an increase to the allowance for credit losses on loans held-for-investment of $5.3 million, a reduction in the allowance for credit losses on unfunded commitments of $0.2 million, an increase to deferred tax assets of $1.2 million, and a corresponding one-time cumulative reduction to retained earnings, net of tax, of $3.8 million in the consolidated balance sheet as of January 1, 2023.

The adoption of this ASU, as it relates to available-for-sale debt securities and held-to-maturity debt securities, did not have a material impact on the consolidated financial statements as of January 1, 2023.

In March of 2022, the FASB issued ASU 2022-02, Financial Instruments - Credit Losses: Troubled Debt Restructurings and Vintage Disclosures, which eliminates the accounting for troubled debt restructurings by creditors while enhancing the disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty. The amendment also requires disclosure of gross charge-offs by year of origination for finance receivables. We adopted the amendments in this ASU as of January 1, 2023 prospectively.

As a result of the adoption of ASU 2016-13 and ASU 2022-02, several of our significant accounting policies have changed as of January 1, 2023 to reflect the requirements of the new standard.

ASU No. 2023-02, “Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method.” ASU 2023-02 is intended to improve the accounting and disclosures for investments in tax credit structures. ASU 2023-02 allows entities to elect to account for qualifying tax equity investments using the proportional amortization method, regardless of the program giving rise to the related income tax credits. Previously, this method was only available for qualifying tax equity investments in low-income housing tax credit structures. ASU 2023-02 will be effective for us on January 1, 2025 and its adoption is not expected to have a significant effect on our financial statements.

ASU 2023-06, “Disclosure Improvements - Codification Amendments in Response to the SEC’s Disclosure Update and Simplification Initiative.” ASU 2023-06 amends the ASC to incorporate certain disclosure requirements from SEC Release No. 33-10532 - Disclosure Update and Simplification that was issued in 2018. The effective date for each amendment will be the date on which the SEC’s removal of that related disclosure from Regulation S-X or Regulation S-K becomes effective, with early adoption prohibited. ASU 2023-06 is not expected to have a significant impact on our financial statements.

ASU No. 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures.” ASU 2023-07 expands segment disclosure requirements for public entities to require disclosure of significant segment expenses and other segment items on an annual and interim basis and to provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. ASU 2023-07 is not expected to have a significant impact on our financial statements.

ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” ASU 2023-09 requires public business entities to disclose in their rate reconciliation table additional categories of information about federal, state and foreign income taxes and to provide more details about the reconciling items in some categories if items meet a quantitative threshold. ASU 2023-09 also requires all entities to disclose income taxes paid, net of refunds, disaggregated by federal, state and foreign taxes for annual periods and to disaggregate the information by jurisdiction based on a quantitative threshold, among other things. ASU 2023-09 is effective for us on January 1, 2026, though early adoption is permitted. ASU 2023-09 is not expected to have a significant impact on our financial statements.

Fair Value Measurement

Fair value is determined in accordance with Accounting Standards Codification (ASC) Topic 820, Fair Value Measurement. ASC Topic 820 establishes a fair value hierarchy which requires the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 describes three levels of inputs that may be used to measure fair value:

Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

Level 3: Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity’s own beliefs about the assumptions that market participants would use in pricing the assets or liabilities.

Cash and Cash Equivalents

Cash and cash equivalents include cash, cash items in process of collection, deposits with other financial institutions and federal funds sold. For purposes of the consolidated statements of cash flows, we consider all federal funds sold and interest-bearing deposits at other financial institutions to be cash and cash equivalents, all with original maturities of less than 90 days. Cash held at depository institutions at times may be in excess of the Federal Deposit Insurance Corporation (FDIC) insurance limit. Cash deposits are with financial institutions that we believe to be reputable and we do not anticipate realizing any losses from these cash deposits. As of December 31, 2023 and 2022, we have complied with all regulatory cash reserve and clearing requirements.

Securities

The Bank classifies debt securities as either available-for-sale or held-to-maturity. Held-to-maturity securities are those which the Bank has the positive intent and ability to hold to maturity. All other debt securities are classified as available-for-sale.

Held-to-maturity securities are recorded at amortized cost. Available-for-sale securities are recorded at fair value. Unrealized holding gains and losses on available-for-sale securities are excluded from earnings and are reported as a separate component of stockholders’ equity (accumulated other comprehensive income/loss) until realized. Realized gains and losses on securities classified as available-for-sale are included in earnings and recorded on trade date. The specific identification method is used to determine the cost of the securities sold.

Purchased premiums and discounts on debt securities are amortized or accreted into interest income using the yield-to-maturity method based upon the remaining contractual maturity of the asset, adjusted for any expected prepayments or call features for securities purchased at a premium.

For available-for-sale debt securities in an unrealized loss position, management first assesses whether it intends to sell, or it is more likely than not that it will be required to sell, the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is

written down to fair value. Any previously recognized allowance for credit losses (“ACL”) should be written off and the write-down in excess of such ACL would be recorded through a charge to the provision for credit losses. For available-for-sale debt securities that do not meet the aforementioned criteria, management evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the cash position of the issuer and its cash and capital generation capacity, which could increase or diminish the issuer’s ability to repay its bond obligations, the extent to which the fair value is less than the amortized cost basis, any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information about the financial condition of the issuer, credit ratings, the failure of the issuer to make scheduled principal or interest payments, recent legislation and government actions affecting the issuer’s industry, and actions taken by the issuer to deal with the economic climate. Management also takes into consideration changes in the near-term prospects of the underlying collateral of a security, if any, such as changes in default rates, loss severity given default, and significant changes in prepayment assumptions and the level of cash flow generated from the underlying collateral, if any, supporting the principal and interest payments on the debt securities. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security is compared to the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and management records an ACL for the credit loss, limited to the amount by which the fair value is less than the amortized cost basis. Management recognizes in accumulated other comprehensive income/loss (“AOCI”) any impairment that has not been recorded through an ACL, net of tax. Non-credit-related impairments result from other factors, including changes in interest rates.

Management records changes in the ACL as a provision for (or reversal of) credit loss expense. Losses are charged against the allowance when management believes the uncollectibility of an available-for-sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Management has elected not to measure an ACL on accrued interest related to available-for-sale debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

The ACL on held-to-maturity debt securities is based on an expected loss methodology referred to as current expected credit loss (“CECL”) methodology by major security type. Any expected credit loss is provided through the ACL on held-to-maturity debt securities and is deducted from the amortized cost basis of the security so the statement of financial condition reflects the net amount management expects to collect. For the ACL of held-to-maturity securities, management considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts.

Management has elected not to measure an ACL on accrued interest related to held-to-maturity debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

Equity securities are carried at fair value, with changes in fair values reported in net income. Equity securities without readily determinable fair values are carried at cost, minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment. Equity securities are included as a component of “prepaid expenses and other assets” in our consolidated balance sheets.

Loans Held-for-sale

Mortgage loans originated and intended for sale in the secondary market are classified as loans held-for-sale and recorded at fair value. Most of these loans are sold with servicing rights retained. The changes in fair value of loans held-for-sale are measured and recorded in income from mortgage banking services. Loan origination fees are recorded in the period of origination.

Loans Receivable

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff, are reported at the principal balance outstanding, net of purchase premiums and discounts, deferred loan fees and costs, and an allowance for credit losses.

Interest on loans receivable is accrued and credited to income based upon the principal amount outstanding using primarily a simple interest calculation. Loan origination fees and related direct loan origination costs for a given loan are offset and only the net amount is deferred and amortized and recognized in interest income over the life of the loan using the interest method without anticipating prepayments. The accrual of interest income on loans is discontinued when, in management’s judgment, the interest is uncollectible in the normal course of business, and a loan is moved to nonaccrual status in accordance with the Bank’s policy, typically after 90 or 120 days of non-payment, as follows: interest income on consumer, commercial real estate and commercial and industrial loans is typically discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in the process

of collection; interest income on residential real estate loans is typically discontinued at the time the loan is 120 days delinquent unless the loan is well-secured and in the process of collection. Consumer and credit card loans are typically charged off no later than 120 days past due. Past due status is based on the contractual terms of the loan. In all cases, loans are placed on nonaccrual or charged-off at an earlier date if collection of principal or interest in full is considered doubtful. Nonaccrual loans and loans past due 90 days still on accrual include both smaller homogenous loans that are collectively evaluated for impairment and individually classified impaired loans.

When discontinued, all unpaid interest is reversed. Interest is included in income after the date the loan is placed on nonaccrual status only after all principal has been paid or when the loan is returned to accrual status. The loan is returned to accrual status only when the borrower has brought all past-due principal and interest payments current and, in the opinion of management, has demonstrated the ability to make future payments of principal and interest as scheduled.

Acquired Loans – Loans acquired through a purchase or a business combination are recorded at their fair value as of the acquisition date. Management performs an assessment of acquired loans to first determine if such loans have experienced a more than insignificant deterioration in credit quality since their origination and thus should be classified and accounted for as purchased credit deteriorated (“PCD”) loans. For loans that have not experienced a more than insignificant deterioration in credit quality since origination, referred to as non-PCD loans, management records such loans at fair value, with any resulting discount or premium accreted or amortized into interest income over the remaining life of the loan using the interest method. Additionally, upon the purchase or acquisition of non-PCD loans, management measures and records an ACL based on the Bank’s methodology for determining the ACL. The ACL for non-PCD loans is recorded through a charge to the provision for credit losses in the period in which the loans are purchased or acquired.

Acquired loans that are classified as PCD are recognized at fair value, which includes any premiums or discounts resulting from the difference between the initial amortized cost basis and the par value. Premiums and non-credit loss related discounts are amortized or accreted into interest income over the remaining life of the loan using the interest method. Unlike non-PCD loans, the initial ACL for PCD loans is established through an adjustment to the acquired loan balance and not through a charge to the provision for credit losses in the period in which the loans are acquired. At acquisition, the ACL for PCD loans, which represents the fair value credit discount, is determined using a discounted cash flow method that considers the probability of default and loss-given default used in the Bank’s ACL methodology. Characteristics of PCD loans include the following: delinquency, payment history since origination, credit scores migration and/or other factors the Bank may become aware of through its initial analysis of acquired loans that may indicate there has been a more than insignificant deterioration in credit quality since a loan’s origination.

Subsequent to acquisition, the ACL for both non-PCD and PCD loans is determined pursuant to the Bank ACL methodology in the same manner as all other loans.

Allowance for Credit Losses

The ACL for loans held for investment is a valuation account that is deducted from the loans’ amortized cost basis to present the net amount expected to be collected on loans. Loans are charged-off against the allowance when management confirms the loan balance is uncollectible.

Management estimates the allowance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Internal and industry historical credit loss experience is a significant input for the estimation of expected credit losses. Additionally, management’s assessment involves evaluating key factors, which include credit and macroeconomic indicators, such as changes in economic growth levels, unemployment rates, property values, and other relevant factors, to account for current and forecasted market conditions that are likely to cause estimated credit losses over the life of the loans to differ from historical credit losses. Expected credit losses are generally estimated over the contractual term of the loans, adjusted by prepayments when appropriate.

Management estimates the ACL primarily based on a probability of default (“PD”), loss-given default (“LGD”), and exposure at default (“EAD”) modeled approach, or individually for collateral dependent loans. Management evaluates the need for changes to the ACL by portfolio segments and classes of loans within certain of those portfolio segments. Factors such as the credit risk inherent in a portfolio and how management monitors the related quality, as well as the estimation approach to estimate credit losses, are considered in the determination of such portfolio segments and classes. The Bank believes it has a diversified portfolio across a variety of industries,

and the portfolio is generally centered in the states in which the Bank has offices. Management has identified the following portfolio segments:

Commercial and industrial loans include commercial and industrial loans to commercial customers for use in normal business operations to finance working capital needs, equipment and inventory purchases, and other expansion projects. These loans are made primarily in the Bank’s market areas, are underwritten on the basis of the borrower’s ability to service the debt from revenue, and extended under the Bank’s normal credit standards, controls, and monitoring systems. Collateral is often represented by liens on accounts receivable, inventory, equipment, and other forms of general non-real estate business assets. The Bank often obtains some form of credit enhancement through a personal guaranty of the borrower, principals and/or others. The global cash flow capability of commercial and industrial loan customers is generally evaluated both at underwriting and during the life of the loan. Commercial and industrial loans may involve increased risk due to the expectation that repayments for such loans generally come from the operation of the business activity and those operations may be unsuccessful. A disruption in the operating cash flows from a business, sometimes influenced by events not under the control of the borrower such as changing business environment, changes in regulations and political climate, rising interest rates, unexpected natural events, or competition could also impact the borrower’s capacity to repay the loan. Assets collateralizing commercial and industrial loans may also decline in value more quickly than anticipated. Commercial and industrial loans require increased underwriting and monitoring to offset these risks, for which the Bank’s systems have been designed to provide.

Commercial real estate loans include owner occupied and non-owner occupied commercial real estate mortgage loans to operating commercial and agricultural businesses, and include both loans for long-term financing of land and buildings and loans made for the initial development or construction of a commercial real estate project.

Residential real estate loans represent loans to consumers collateralized by a mortgage on a residence and include purchase money, refinancing, secondary mortgages, and home equity loans and lines of credit.

Public finance loans include loans to our charter school and municipal based customers.

Consumer loans include direct consumer installment loans, credit card accounts, overdrafts and other revolving loans.

Other loans consist of loans to nondepository financial institutions, lease financing receivables and loans for agricultural production.

The ACL is measured using a PD/LGD with EAD model that is calculated based on the product of a cumulative PD and LGD. PD and LGD estimates are assigned based upon the periodic completion of credit risk scorecards. Remaining EAD is derived based on inherent loan characteristics and like-kind loan prepayment trends. Under this approach, management calculates losses for each loan for all future periods using the PD and LGD rates derived from the term structure curves applied to the estimated remaining balance of the loans.

For the ACL determination of all portfolios, the expectations for relevant macroeconomic variables consider an initial reasonable and supportable period of four years and a reversion period of one year, utilizing a straight-line approach and reverting back to the historical loss rates.

Management periodically considers the need to make qualitative adjustments to the ACL. Qualitative adjustments may be related to and include, but not be limited to factors such as the following: (i) management’s assessment of economic forecasts used in the model and how those forecasts align with management’s overall evaluation of current and expected economic conditions; (ii) organization specific risks such as credit concentrations, collateral specific risks, nature and size of the portfolio and external factors that may ultimately impact credit quality, and (iii) other limitations associated with factors such as changes in underwriting and loan resolution strategies, among others.

Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially

through the operation or sale of the collateral, management has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of the collateral, with selling costs considered in the event sale of the collateral is expected.

Management has elected not to measure an ACL on accrued interest related to held for investment loans, as uncollectible accrued interest receivables are written off in a timely manner.

Loan credit quality and the adequacy of the allowance are also subject to periodic examination by regulatory agencies. Such agencies may require adjustments to the allowance based upon their judgements about information available at the time of their examination.

Management estimates expected credit losses over the contractual period in which the Bank is exposed to credit risk via a contractual obligation to extend credit unless the obligation is unconditionally cancellable by the Bank. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes the consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life.

Mortgage Servicing Rights (MSRs)

MSRs arise from contractual agreements between us and investors in mortgage loans. Pursuant to ASC Topic 860-50, Servicing Assets and Liabilities, we record MSR assets when we sell loans on a servicing-retained basis, at the time of a securitization that qualifies and meets requirements for sale accounting or through the acquisition or assumption of the right to service a financial asset. Under these contracts, we perform loan servicing functions in exchange for fees and other remuneration.

Our MSRs are initially recorded and subsequently measured at fair value. The fair value of the MSRs is based upon the present value of the expected future net cash flows related to servicing these loans. We receive a base servicing fee, generally ranging from 0.25% to 0.50% annually on the remaining outstanding principal balances of the loans. The servicing fees are collected from investors. We determine the fair value of the MSRs by the use of a discounted cash flow model that incorporates prepayment speeds, delinquencies, discount rate, ancillary revenues and other assumptions (including costs to service) that management believes are consistent with the assumptions other market participants use in valuing MSRs. The nature of the loans underlying the MSRs affects the assumptions used in the cash flow models. We obtain third-party valuations quarterly to assess the reasonableness of the fair value calculated by the cash flow model. Changes in the fair value of MSRs are charged or credited to income from mortgage banking services, net.

As a part of our mortgage servicing responsibilities, we advance funds when the borrower fails to meet contractual payments (e.g. principal, interest, property taxes, and insurance). We also advance funds to maintain, report, and market foreclosed real estate properties on behalf of investors. These advances are collectively known as servicer related advances. Such advances are recovered from borrowers for reinstated and performing loans and from investors for foreclosed loans. We record an ACL on outstanding servicer advances when we determine that based on all available information, that a credit loss is expected, and that all contractual amounts due will not be recovered. There was no ACL on outstanding servicer advances as of December 31, 2023 and 2022, respectively.

Premises and Equipment

Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization is computed on the straight-line or declining balance method depending upon the type of asset with useful lives ranging from one to 39 years. Depreciation and amortization expense has been included in occupancy and equipment expense in the accompanying consolidated statements of income and comprehensive income. Maintenance and repair costs are charged to expense as incurred. Major betterments are considered individually and are capitalized or expensed depending on facts and circumstances.

Other Real Estate Owned and Foreclosed Assets

Assets acquired through, or in lieu of, foreclosure or repossession or otherwise are being held for disposal or to be sold are adjusted upon transfer to fair value less estimated costs to sell, establishing a new cost basis. Physical possession of residential real estate property collateralizing a consumer mortgage loan occurs when legal title is obtained upon completion of foreclosure or when the borrower conveys all interest in the property to satisfy the loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Subsequent to foreclosure/repossession, management periodically performs valuations, and an allowance for losses is established by a charge against earnings if the carrying value of a property exceeds the fair value less estimated costs to sell. Revenue and expenses from

operation and changes in the valuation allowance are included in other noninterest expense on the consolidated statements of income and comprehensive income.

Bank-owned Life Insurance (BOLI)

We have purchased life insurance policies on certain key current and former executives as a method to offset the cost of employee benefit plans. We record BOLI at the estimated contractual amount that would be realized if the life insurance policy is surrendered prior to maturity or death of the insured, which is the cash surrender value adjusted for other charges and amounts due that are probable at settlement. Changes in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in noninterest income and are not subject to income taxes.

Restricted Equity Securities

Restricted equity securities consist of capital stock of the Federal Home Loan Bank of Topeka (FHLB) and the Federal Reserve Bank of Kansas City (FRB). Such stock is not readily marketable, and accordingly, is carried at cost. Members of the FHLB are required to own a certain amount of stock based on the level of borrowings and other factors. As a national banking association, the Bank is required to own stock of its regional FRB. FRB and FHLB stock are periodically evaluated for impairment based on ultimate recovery of par value. Both cash and stock dividends are reported as income.

Goodwill

The excess purchase price of acquired businesses over the fair value of identifiable assets acquired and liabilities assumed is recognized as goodwill. Goodwill is evaluated for impairment on an annual basis, or more frequently if events and circumstances exist that indicate that a goodwill impairment test should be performed. Our evaluation may consist of performing a qualitative assessment of impairment to determine whether any further quantitative testing for impairment is necessary. Factors considered in the qualitative assessment include general economic conditions, conditions of the industry and markets in which we operate, regulatory developments, cost factors, and our overall financial performance.

Core Deposits and Other Intangible Assets

Core deposits related to the depositor relationship of customers acquired from our business combinations are recognized in the value of core deposits. Our core deposits were valued based on the expected future benefit or earnings capacity attributable to the acquired deposits. These assets have been assigned 10 year lives from the date of acquisition. Other intangible assets include the trade names of First National 1870 and Guardian Mortgage. These trade names provide a source of market recognition to attract potential clients/relationships and retain existing customers. Management has indicated that portions of the business will utilize these trade names into perpetuity; therefore, these trade names have been classified as indefinite-lived assets. Further, we have acquired certain customer relationships relating to wealth management. These customer relationships have been assigned amortization periods of 10 to 16 years. We had a non-competition agreement for a former employee. This agreement was fully amortized in 2023.

Impairment of Long-lived Assets

Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. When events or changes in circumstances indicate an asset may not be recoverable, we estimate the future cash flows expected to result from the use of the asset. If impairment is indicated, an adjustment is made to reduce the carrying amount based on the difference between the future cash flows expected and the carrying amount of the asset.

Transfers of Financial Assets

Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

Loan Commitments and Related Financial Instruments

Financial instruments include off-balance sheet credit instruments, such as commitments to make loans, commercial letters of credit, and standby letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

Derivative Instruments and Hedging Activities

Derivatives and Hedging (ASC Topic 815), provides the disclosure requirements for derivatives and hedging activities with the intent to provide users of financial statements with an enhanced understanding of: (a) how and why an entity uses derivative instruments, (b) how the entity accounts for derivative instruments and related hedged items, and (c) how derivative instruments and related hedged items affect an entity’s financial position, financial performance, and cash flows. Further, qualitative disclosures are required that explain our objectives and strategies for using derivatives, as well as quantitative disclosures about the fair value of and gains and losses on derivative instruments, and disclosures about credit-risk-related contingent features in derivative instruments.

As required by ASC Topic 815, we record all derivatives on the consolidated balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether we have elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Derivatives may also be designated as hedges of the foreign currency exposure of a net investment in a foreign operation. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge. We may enter into derivative contracts that are intended to economically hedge certain of our risks, even though hedge accounting does not apply or we do not elect to apply hedge accounting. We do not have any cash flow or foreign currency hedges.

In accordance with the fair value measurement guidance in ASU Topic 2011-04, Fair Value Measurement (Topic 820), we made an accounting policy election to measure the credit risk of our derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

The FASB has issued standards associated with the cessation of LIBOR, including ASU 2022-06 that further defers the sunset date of ASU 2020-04 and ASU 2021-01 Reference Rate Reform (Topic 848) from December 31, 2022 to December 31, 2024, after which entities will no longer be permitted to apply the relief in Topic 848. We have elected to apply the contract modification guidance included within Topic 848. Since December 31, 2021, we have not issued debt indexed to USD-LIBOR and as of December 31, 2023, we have fully transitioned from the use of LIBOR on all contracts.

Risk Management Objective of Using Derivatives

Banking Activities - We are exposed to certain risks arising from both our business operations and economic conditions. We principally manage our exposures to a wide variety of business and operational risks through management of our core business activities. We manage economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of our assets and liabilities and the use of derivative financial instruments. Specifically, we enter into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Our derivative financial instruments are used to manage differences in the amount, timing, and duration of our known or expected cash receipts and our known or expected cash payments principally related to our loan portfolio. The initial and subsequent changes in value, as well as the offsetting gain or loss of banking derivative financial instruments that qualify as fair value hedges, and

any fees income generated are recorded as a component of interest and fee income on loans in our consolidated statements of income and comprehensive income.

Mortgage Banking Activities - Our mortgage bankers enter into interest rate lock commitments (IRLC) with prospective borrowers. An IRLC represents an agreement to purchase loans from a third-party originator or an agreement to extend credit to a mortgage applicant, whereby the interest rate is set prior to funding. The loan commitment binds us (subject to the loan approval process) to fund the loan at the specified rate, regardless of whether interest rates have changed between the commitment date and the loan funding date. Outstanding interest rate lock commitments are subject to interest rate risk and related price risk during the period from the date of the commitment through the loan funding date or expiration date. The borrower is not obligated to obtain the loan; thus, we are subject to fallout risk related to IRLCs, which is realized if approved borrowers choose not to close on the loans within the terms of the IRLC. Our interest rate exposure on these derivative loan commitments is hedged with forward sales of mortgage-based securities as described below. Our IRLCs are carried at fair value in accordance with ASC Topic 815, and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. ASC Topic 815 clarifies that the expected net future cash flows related to the associated servicing of a loan should be included in the measurement of all written loan commitments that are accounted for at fair value through earnings. The estimated fair values of IRLCs are based on the fair value of the related mortgage loans which is based upon observable market data. The initial and subsequent changes in value of IRLCs are recorded as a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We actively manage the risk profiles of our IRLCs and mortgage loans held-for-sale on a daily basis. To manage the price risk associated with IRLCs, we enter into forward sales of mortgage-backed securities (MBS) in an amount equal to the portion of the IRLC expected to close, assuming no change in mortgage interest rates. In addition, to manage the interest rate risk associated with mortgage loans held-for-sale, we enter into forward sales of MBS to deliver mortgage loans to third-party investors. The estimated fair values of forward sales of MBS and forward sales commitments are based on exchange prices or the dealer market price. The initial and subsequent changes in value on forward sales of MBS and forward sales commitments are a component of income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We also occasionally enter into contracts with other mortgage bankers to purchase residential mortgage loans at a future date, which we refer to as Loan Purchase Commitments (LPCs). LPCs are accounted for as derivatives under ASC Topic 815 and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. Subsequent changes in LPCs are recorded as a charge or credit to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We utilize derivative instruments to help manage the fair value changes in our MSRs. These derivative instruments are intended to economically hedge certain risks related to our MSRs. As such, these derivative instruments are not designated as accounting hedges. These derivatives may include To Be Announced (TBA) MBS, interest rate swaps, and options contracts and are valued based on quoted prices for similar assets in an active market with inputs that are observable. These derivative products are accounted for and recorded at fair value in prepaid expenses and other assets or accrued expenses and other liabilities on our consolidated balance sheets. Subsequent changes are recorded to income from mortgage banking services, net, in our consolidated statements of income and comprehensive income.

Lease Commitments

We determine if an arrangement is a lease or contains a lease at inception. Leases result in the recognition of right of use (“ROU”) assets and lease liabilities on our consolidated balance sheets. ROU assets represent the right to use an underlying asset for the lease term and are included in prepaid expenses and other assets in our consolidated balance sheets. Lease liabilities represent the obligation to make lease payments arising from the lease, measured on a discounted basis, and are included in accrued expenses and other liabilities in our consolidated balance sheets. We determine lease classification as operating or finance at the lease commencement date. We combine lease and non-lease components, such as common area and other maintenance costs, in calculating the ROU assets and lease liabilities for our office buildings.

At lease inception, the lease liability is measured at the present value of the lease payments over the lease term. The ROU asset equals the lease liability adjusted for any initial direct costs, prepaid or deferred rent, and lease incentives. We use the implicit rate when readily determinable, however, as most of the leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the commencement date, which is based on our collateralized borrowing capabilities over a similar term as the related lease payments.

The lease term may include options to extend or to terminate the lease that we are reasonably certain to exercise. Lease expense is generally recognized on a straight-line basis over the lease term.

We have elected not to record leases with an initial term of 12 months or less on our consolidated balance sheets. Lease expense on such leases is recognized on a straight-line basis over the lease term.

Revenue Recognition

Noninterest income within the scope of ASC Topic 606, Revenue From Contracts With Customers is recognized by us when performance obligations, under the terms of the contract, are satisfied. This income is measured as the amount of consideration expected to be received in exchange for the providing of services. The majority of our applicable noninterest income continues to be recognized at the time when services are provided to our customers.

Service charges on deposit accounts:

We charge depositors various deposit account service fees including those for outgoing wires, overdrafts, stop payment orders, and ATM fees. These fees are generated from a depositor’s option to purchase services offered under the contract and are only considered a contract when the depositor exercises their option to purchase these account services. Therefore, we deem the term of our contracts with depositors to be day-to-day and do not extend beyond the services already provided. Deposit account and other banking fees are recorded at the point in time we perform the requested service.

Credit and debit card fees:

We collect interchange fee income when debit and credit cards that we have issued to our customers, are used in merchant transactions. Our performance obligation is satisfied and revenue is recognized at the point we initiate the payment of funds from a customer’s account to a merchant account.

Trust and investment advisory fees:

We earn trust and investment advisory fees from contracts with our customers to manage assets for investments, and/or transact on their accounts. These fees are primarily earned over time as we provide the contracted monthly, quarterly, or annual services and are generally assessed based on a tiered scale of the market value of assets under management at each month end. Fees that are transaction based are recognized at the point in time that the transaction is executed. Other related services provided include financial planning services and the fees we earn, which are based on a fixed fee schedule, are recognized when the services are rendered.

Other income:

Other income consists of fee income received in connection with administering customer accommodation interest rate swaps, loan syndication fees and miscellaneous charges for services provided to our customers. Customer accommodation interest rate swap fees and loan syndication fees are earned and recognized at the time of loan origination or syndication. Miscellaneous charges for services provided to our customers consists of fees that are generated from a customer’s option to purchase services offered under the contract and are only considered a contract when the customer exercises their option to purchase these services. Therefore, we deem the term of our contracts with these customers to be day-to-day and do not extend beyond the services already provided

Advertising

Advertising costs are expensed as incurred and recorded within other noninterest expense.

Earnings Per Share

Basic and diluted earnings per share are computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period.

Share-Based Compensation

Compensation cost is recognized for stock options, non-vested restricted stock awards/stock units, and performance share units issued to employees and directors, based on the fair value of these awards at the date of the grant. A Black-Scholes model is utilized to estimate the fair value of stock options. The fair value of non-vested stock awards/stock units and performance share units is generally the market price of our stock on the date of grant.

Compensation cost is recognized over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recognized on a straight-line basis over the requisite service period for the entire award. We recognize forfeitures as they occur.

Retirement Plan

We have an employee savings plan and trust (the Plan) which qualifies under Section 401(k) of the Internal Revenue Service Code. The Bank’s Trust and Wealth Management department is the Trustee. Substantially all of our full-time employees are eligible to participate in the Plan. Eligible employees may contribute up to 100% of their compensation subject to certain limits based on federal tax laws. Additional contributions are allowed per the Internal Revenue Service Code for participants who have attained age 50 before the end of the Plan year. We make a matching contribution for each eligible participant equal to 100% of the participant’s elective deferrals which does not exceed 6% of the participant’s compensation. Participants are immediately vested in the matching contribution.

Income Taxes

The Company files a consolidated federal income tax return. Deferred taxes are provided on a liability method whereby deferred tax assets are recognized for deductible temporary differences and operating loss and tax credit carryforwards; deferred tax liabilities are recognized for taxable temporary differences. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax assets will not be realized. The effect on deferred tax assets and liabilities for subsequent changes in tax rates are recognized in income in the period that includes the tax rate changes.

We recognize the financial effects of a tax position only when we believe it can “more likely than not” support the position upon a tax examination by the relevant taxing authority, with a tax examination being presumed to occur. We are no longer subject to examination by taxing authorities for years before 2020. The Company recognizes interest and/or penalties related to income tax matters in income tax expense.

Comprehensive income

Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on securities available-for-sale and designated fair value hedges, net of tax, which are recognized as a separate component of equity.

Loss Contingencies

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on these consolidated financial statements.

Risks and Uncertainties

In addition, we generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, or there are early payment defaults, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. In addition, if loans pay off within a specified time frame, we may be required to refund a portion of the sales proceeds to the investors. We have established reserves for potential losses related to these representations and warranties which is recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry.

Equity

Treasury stock, if any, is carried at cost.

Dividend Restriction - Banking regulations require maintaining certain capital levels and may limit the dividends paid by the Bank to the Parent Company or by the Parent Company to stockholders.

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Basis of Presentation, Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

Cash and cash equivalents were as follows as of December 31,:

	2023		2022
Federal Reserve Bank	$	437,855	$	247,015
Federal Home Loan Bank	1,173		1,335
Other	10,870		8,799
Total cash due from depository institutions	449,898		257,149
Cash on hand and noninterest-bearing accounts	29,464		86,377
Total cash and cash equivalents	$	479,362	$	343,526

Schedule of Restricted Equity Securities

Restricted equity securities consisted of the following:

	2023		2022
Federal Home Loan Bank stock	$	20,945	$	33,137
Federal Reserve Bank stock	17,127		17,078
Total restricted equity securities	$	38,072	$	50,215

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Merger with Pioneer Bancshares, Inc. (Tables)

12 Months Ended

Dec. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Fair Values of the Assets Acquired and Liabilities Assumed in this Transaction

Fair values of the assets acquired and liabilities assumed in this transaction are as follows:

	April 1, 2022
Cash and cash equivalents	$	449,278
Investment securities	157,859
Loans held-for-sale	2,923
Loans	811,300
Premises and equipment	39,935
Bank-owned life insurance	21,382
Restricted equity securities	9,320
Core deposits and other intangible assets	11,771
Accrued interest receivable	3,947
Deferred tax assets	19,752
Prepaid expenses and other assets	7,317
Total assets acquired	1,534,784
Deposits	1,192,081
Federal Home Loan Bank advances	159,924
Accrued interest payable	407
Accrued expenses and other liabilities	1,975
Total liabilities assumed	1,354,387
Fair value of net assets acquired	180,397
Purchase price	240,830
Goodwill	$	60,433

The following table discloses the fair value and contractual value of loans acquired from Pioneer on April 1, 2022.

	Acquired Loans		Contractual Principal Balance
Commercial	$	98,351	$	98,752
Commercial real estate	509,173		516,341
Residential real estate	173,094		174,763
Consumer	30,682		31,982
Total fair value	$	811,300	$	821,838

Schedule of Supplemental Pro Forma Information

The following unaudited pro forma summary presents consolidated information of FirstSun as if the business combination had occurred on January 1, 2021.

	(Unaudited) Pro forma for the years ended December 31,
	2022		2021
Net interest income	$	251,783	$	201,501
Provision for credit losses	17,200		350
Net interest income after provision for credit losses	234,583		201,151
Noninterest income	90,993		129,373
Noninterest expenses	229,307		258,544
Income before income taxes	96,269		71,980
Provision for income taxes	19,508		13,413
Net income	$	76,761	$	58,567
Earnings per share:
Net income available to common stockholders	$	76,761	$	58,567
Basic	$	3.09	$	2.36
Diluted	$	3.01	$	2.30

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Securities (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities

The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated  Fair  Value
2023
Available-for-sale:
U.S. treasury	$	58,468	$	—	$	(4,234)	$	54,234
U.S. agency	1,872		—		(33)		1,839
Obligations of states and political subdivisions	29,979		—		(4,009)		25,970
Mortgage backed - residential	121,288		119		(14,974)		106,433
Collateralized mortgage obligations	203,394		—		(21,861)		181,533
Mortgage backed - commercial	145,062		497		(14,367)		131,192
Other debt	16,792		—		(1,236)		15,556
Total available-for-sale	$	576,855	$	616	$	(60,714)	$	516,757
Held-to-maturity:
Obligations of states and political subdivisions	$	25,542	$	3	$	(3,987)	$	21,558
Mortgage backed - residential	7,548		2		(560)		6,990
Collateralized mortgage obligations	3,893		—		(260)		3,633
Total held-to-maturity	$	36,983	$	5	$	(4,807)	$	32,181
2022
Available-for-sale:
U.S. treasury	62,010		—		(5,361)		56,649
U.S. agency	$	2,881	$	—	$	(47)	$	2,834
Obligations of states and political subdivisions	29,897		—		(4,998)		24,899
Mortgage backed - residential	129,955		6		(13,826)		116,135
Collateralized mortgage obligations	225,559		—		(21,294)		204,265
Mortgage backed - commercial	130,997		—		(13,661)		117,336
Other debt	16,774		—		(1,919)		14,855
Total available-for-sale	$	598,073	$	6	$	(61,106)	$	536,973
Held-to-maturity:
Obligations of states and political subdivisions	25,378		5		(4,891)		20,492
Mortgage backed - residential	8,705		4		(511)		8,198
Collateralized mortgage obligations	4,818		—		(290)		4,528
Total held-to-maturity	$	38,901	$	9	$	(5,692)	$	33,218

Schedule of Held-to-maturity Securities

The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated  Fair  Value
2023
Available-for-sale:
U.S. treasury	$	58,468	$	—	$	(4,234)	$	54,234
U.S. agency	1,872		—		(33)		1,839
Obligations of states and political subdivisions	29,979		—		(4,009)		25,970
Mortgage backed - residential	121,288		119		(14,974)		106,433
Collateralized mortgage obligations	203,394		—		(21,861)		181,533
Mortgage backed - commercial	145,062		497		(14,367)		131,192
Other debt	16,792		—		(1,236)		15,556
Total available-for-sale	$	576,855	$	616	$	(60,714)	$	516,757
Held-to-maturity:
Obligations of states and political subdivisions	$	25,542	$	3	$	(3,987)	$	21,558
Mortgage backed - residential	7,548		2		(560)		6,990
Collateralized mortgage obligations	3,893		—		(260)		3,633
Total held-to-maturity	$	36,983	$	5	$	(4,807)	$	32,181
2022
Available-for-sale:
U.S. treasury	62,010		—		(5,361)		56,649
U.S. agency	$	2,881	$	—	$	(47)	$	2,834
Obligations of states and political subdivisions	29,897		—		(4,998)		24,899
Mortgage backed - residential	129,955		6		(13,826)		116,135
Collateralized mortgage obligations	225,559		—		(21,294)		204,265
Mortgage backed - commercial	130,997		—		(13,661)		117,336
Other debt	16,774		—		(1,919)		14,855
Total available-for-sale	$	598,073	$	6	$	(61,106)	$	536,973
Held-to-maturity:
Obligations of states and political subdivisions	25,378		5		(4,891)		20,492
Mortgage backed - residential	8,705		4		(511)		8,198
Collateralized mortgage obligations	4,818		—		(290)		4,528
Total held-to-maturity	$	38,901	$	9	$	(5,692)	$	33,218

Schedule of Fair Value and Unrealized Losses on Debt Securities in Continuous Unrealized Loss Position

Fair value and unrealized losses on debt securities by type and length of time in a continuous unrealized loss position without an allowance for credit losses were as follows as of December 31,:

	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2023
Available-for-sale:
U.S. treasury	$	—	$	—	$	54,234	$	(4,234)	$	54,234	$	(4,234)	9
U.S. agency	—		—		1,839		(33)		1,839		(33)		7
Obligations of states and political subdivisions	—		—		25,970		(4,009)		25,970		(4,009)		19
Mortgage backed - residential	—		—		100,571		(14,974)		100,571		(14,974)		83
Collateralized mortgage obligations	—		—		181,533		(21,861)		181,533		(21,861)		65
Mortgage backed - commercial	4,721		(27)		114,625		(14,340)		119,346		(14,367)		24
Other debt	—		—		15,556		(1,236)		15,556		(1,236)		9
Total available-for-sale	$	4,721	$	(27)	$	494,328	$	(60,687)	$	499,049	$	(60,714)	216
Held-to-maturity:
Obligations of states and political subdivisions	$	—	$	—	$	21,223	$	(3,987)	$	21,223	$	(3,987)	8
Mortgage backed - residential	—		—		6,845		(560)		6,845		(560)		10
Collateralized mortgage obligations	—		—		3,633		(260)		3,633		(260)		5
Total held-to-maturity	$	—	$	—	$	31,701	$	(4,807)	$	31,701	$	(4,807)	23

	Less than 12 months				12 months or longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Number of Securities
2022
Available-for-sale:
U.S. treasury	$	25,702	$	(967)	$	30,947	$	(4,394)	$	56,649	$	(5,361)	10
U.S. agency	—		—		2,834		(47)		2,834		(47)		7
Obligations of states and political subdivisions	21,676		(3,784)		2,753		(1,214)		24,429		(4,998)		18
Mortgage backed - residential	51,921		(2,939)		63,691		(10,887)		115,612		(13,826)		87
Collateralized mortgage obligations	111,360		(4,631)		92,905		(16,663)		204,265		(21,294)		66
Mortgage backed - commercial	70,710		(6,475)		46,626		(7,186)		117,336		(13,661)		22
Other debt	14,855		(1,919)		—		—		14,855		(1,919)		9
Total available-for-sale	$	296,224	$	(20,715)	$	239,756	$	(40,391)	$	535,980	$	(61,106)	219
Held-to-maturity:
Obligations of states and political subdivisions	$	20,153	$	(4,891)	$	—	$	—	$	20,153	$	(4,891)	8
Mortgage backed - residential	7,993		(511)		—		—		7,993		(511)		10
Collateralized mortgage obligations	4,127		(275)		401		(15)		4,528		(290)		5
Total held-to-maturity	$	32,273	$	(5,677)	$	401	$	(15)	$	32,674	$	(5,692)	23

Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity

The amortized cost and fair value of our debt securities by contractual maturity as of December 31, 2023 are summarized in the following table. Maturities are based on the final contractual payment dates and do not reflect the impact of prepayments or earlier redemptions that may occur.

	Amortized Cost		Estimated Fair Value
Available-for-sale:
Due within 1 year	$	23,215	$	22,802
Due after 1 year through 5 years	55,359		50,882
Due after 5 years through 10 years	152,454		138,464
Due after 10 years	345,827		304,609
Total available-for-sale	$	576,855	$	516,757
Held-to-maturity:
Due after 1 year through 5 years	$	988	$	963
Due after 5 years through 10 years	737		713
Due after 10 years	35,258		30,505
Total held-to-maturity	$	36,983	$	32,181

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Loans (Tables)

12 Months Ended

Dec. 31, 2023

Receivables [Abstract]

Schedule of Loans Held for Investment

Loans held-for-investment by portfolio type consist of the following as of December 31,:

	2023		2022
Commercial and industrial	$	2,467,688	$	2,310,929
Commercial real estate:
Non-owner occupied	812,235		779,546
Owner occupied	635,365		636,272
Construction and land	345,430		327,817
Multifamily	103,066		102,068
Total commercial real estate	1,896,096		1,845,703
Residential real estate	1,110,610		1,003,931
Public finance	602,913		590,284
Consumer	36,371		42,588
Other	153,418		118,397
Total loans	$	6,267,096	$	5,911,832
Allowance for credit losses	(80,398)		(65,917)
Loans, net of allowance for credit losses	$	6,186,698	$	5,845,915

Schedule of Allowance for Credit Losses by Portfolio Type

The following table presents the activity in the allowance for credit losses by portfolio type for the years ended December 31,:

	Commercial and Industrial		Commercial Real Estate		Residential Real Estate		Public Finance		Consumer		Other		Total
2023
Allowance for credit losses:
Balance, beginning of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
Impact of adopting ASC 326	(13,583)		3,867		10,256		3,890		249		577		5,256
Provision for (benefit from) credit losses	10,445		3,996		2,457		(217)		400		(46)		17,035
Loans charged-off	(9,242)		(83)		(13)		—		(334)		—		(9,672)
Recoveries	1,118		12		682		—		50		—		1,862
Balance, end of period	$	29,523	$	27,546	$	16,345	$	5,337	$	717	$	930	$	80,398
2022
Allowance for credit losses:
Balance, beginning of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547
Provision for (benefit from) credit losses	9,248		6,168		2,028		120		199		287		18,050
Loans charged-off	(2,321)		—		(122)		—		(144)		—		(2,587)
Recoveries	2,236		388		221		—		62		—		2,907
Balance, end of period	$	40,785	$	19,754	$	2,963	$	1,664	$	352	$	399	$	65,917
2021
Allowance for credit losses:
Balance, beginning of period	$	29,235	$	14,033	$	1,435	$	2,604	$	288	$	171	$	47,766
Provision for credit losses	5,136		(488)		(581)		(1,060)		52		(59)		3,000
Loans charged-off	(4,296)		(375)		(42)		—		(148)		—		(4,861)
Recoveries	1,547		28		24		—		43		—		1,642
Balance, end of period	$	31,622	$	13,198	$	836	$	1,544	$	235	$	112	$	47,547

The following table presents information about collateral dependent loans that were individually evaluated for purposes of determining the ACL as of December 31,:

	Collateral Dependent Loans With Allowance				Collateral Dependent Loans With No Related Allowance		Total Collateral Dependent Loans
	Amortized Cost		Related Allowance		Amortized Cost		Amortized Cost		Related Allowance
2023
Commercial & industrial	$	5,084	$	2,328	$	2,920	$	8,004	$	2,328
Commercial real estate:
Non-owner occupied	—		—		3,844		3,844		—
Owner occupied	—		—		34		34		—
Construction and land	—		—		185		185		—
Total commercial real estate	—		—		4,063		4,063		—
Residential real estate	1,551		103		20,862		22,413		103
Consumer	10		10		—		10		10
Other	2,391		102		446		2,837		102
Total loans	$	9,036	$	2,543	$	28,291	$	37,327	$	2,543
2022
Commercial & industrial	$	6,330	$	1,101	$	3,164	$	9,494	$	1,101
Commercial real estate:
Non-owner occupied	115		36		2,033		2,148		36
Owner occupied	681		153		5,256		5,937		153
Construction and land	—		—		198		198		—
Total commercial real estate	796		189		7,487		8,283		189
Residential real estate	836		34		9,779		10,615		34
Consumer	91		88		—		91		88
Other	—		—		475		475		—
Total loans	$	8,053	$	1,412	$	20,905	$	28,958	$	1,412

Schedule of Aging of Loan Portfolio

The following table presents our loan portfolio aging analysis as of December 31,:

	Loans Not Past Due		Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Greater than 90 Days Past Due, Still Accruing		Nonaccrual		Total
2023
Commercial and industrial (1)	$	2,420,775	$	10,117	$	3,782	$	25,010	$	8,004	$	2,467,688
Commercial real estate:
Non-owner occupied	796,477		1,063		10,851		—		3,844		812,235
Owner occupied	626,424		8,269		—		638		34		635,365
Construction and land	345,245		—		—		—		185		345,430
Multifamily	103,066		—		—		—		—		103,066
Total commercial real estate	1,871,212		9,332		10,851		638		4,063		1,896,096
Residential real estate	1,065,438		19,261		3,330		168		22,413		1,110,610
Public Finance	602,913		—		—		—		—		602,913
Consumer	36,357		4		—		—		10		36,371
Other	141,794		8,787		—		—		2,837		153,418
Total loans	$	6,138,489	$	47,501	$	17,963	$	25,816	$	37,327	$	6,267,096
2022
Commercial and industrial	$	2,298,207	$	2,409	$	819	$	—	$	9,494	$	2,310,929
Commercial real estate:
Non-owner occupied	773,042		4,356		—		—		2,148		779,546
Owner occupied	630,335		—		—		—		5,937		636,272
Construction and land	324,888		2,632		99		—		198		327,817
Multifamily	102,068		—		—		—		—		102,068
Total commercial real estate	1,830,333		6,988		99		—		8,283		1,845,703
Residential real estate	974,450		17,231		1,524		98		10,628		1,003,931
Public Finance	590,284		—		—		—		—		590,284
Consumer	42,434		58		3		—		93		42,588
Other	117,926		—		—		—		471		118,397
Total loans	$	5,853,634	$	26,686	$	2,445	$	98	$	28,969	$	5,911,832
(1) Loans greater than 90 days past due, still accruing relates primarily to one borrower relationship where interest was paid current in February 2024. Contractual principal payments related to this borrower relationship were deferred until March 15, 2024. This deferral was not significant.

Schedule of Amortized Costs by Segment of Loans and Credit Risk Profile of Loan Portfolio

The following table present the amortized costs by segment of loans by risk category and origination date as of December 31, 2023:

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Commercial and industrial:
Pass	$	384,720	$	432,903	$	342,394	$	143,636	$	41,667	$	39,972	$	39,098	$	786,059	$	2,210,449
Pass/Watch	4,052		2,543		18,832		4,595		1,603		2,441		1,273		93,951		129,290
Special Mention	3,759		47,071		2,253		2,281		659		731		3,334		6,729		66,817
Substandard - Accruing	2,992		362		33,625		4,316		1,338		3,542		3,044		3,909		53,128
Substandard - Nonaccrual	—		—		690		4,122		1,110		364		96		248		6,630
Doubtful	—		—		—		490		547		33		304		—		1,374
Total commercial and industrial	$	395,523	$	482,879	$	397,794	$	159,440	$	46,924	$	47,083	$	47,149	$	890,896	$	2,467,688
Gross charge-offs	$	—	$	—	$	2,786	$	3,096	$	—	$	368	$	2,992	$	—	$	9,242
Commercial real estate:
Non-owner occupied:
Pass	$	55,581	$	117,162	$	136,361	$	116,402	$	60,535	$	176,308	$	19,256	$	71,322	$	752,927
Pass/Watch	—		—		—		3,791		6,342		24,620		1,277		—		36,030
Special Mention	2,717		—		—		—		—		—		1,582		—		4,299
Substandard - Accruing	—		3,561		—		1,880		—		9,694		—		—		15,135
Substandard - Nonaccrual	—		—		—		—		—		3,844		—		—		3,844
Total non-owner occupied	$	58,298	$	120,723	$	136,361	$	122,073	$	66,877	$	214,466	$	22,115	$	71,322	$	812,235
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Owner occupied:
Pass	$	87,167	$	83,308	$	105,935	$	102,885	$	64,134	$	123,199	$	2,961	$	6,103	$	575,692
Pass/Watch	600		902		—		15,541		2,896		2,520		—		1,615		24,074
Special Mention	—		493		5,745		306		1,092		2,834		—		—		10,470
Substandard - Accruing	2,295		460		1,204		3,027		2,259		15,850		—		—		25,095
Substandard - Nonaccrual	—		—		—		—		—		34		—		—		34
Total owner occupied	$	90,062	$	85,163	$	112,884	$	121,759	$	70,381	$	144,437	$	2,961	$	7,718	$	635,365
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Construction & land:
Pass	$	44,496	$	171,411	$	32,176	$	28,221	$	13,459	$	8,718	$	21,600	$	1,913	$	321,994
Pass/Watch	—		—		13,036		6,541		—		15		—		—		19,592
Special Mention	—		—		1,381		2,278		—		—		—		—		3,659
Substandard - Nonaccrual	—		—		—		185		—		—		—		—		185
Total construction & land	$	44,496	$	171,411	$	46,593	$	37,225	$	13,459	$	8,733	$	21,600	$	1,913	$	345,430
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Multifamily:
Pass	$	1,359	$	36,852	$	36,537	$	12,838	$	2,716	$	5,885	$	—	$	5,574	$	101,761
Special Mention	—		—		—		—		1,305		—		—		—		1,305
Total multifamily	$	1,359	$	36,852	$	36,537	$	12,838	$	4,021	$	5,885	$	—	$	5,574	$	103,066
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

	2023		2022		2021		2020		2019		Prior		Revolving Loans Converted to Term		Revolving		Total
Total commercial real estate:
Pass	$	188,603	$	408,733	$	311,009	$	260,346	$	140,844	$	314,110	$	43,817	$	84,912	$	1,752,374
Pass/Watch	600		902		13,036		25,873		9,238		27,155		1,277		1,615		79,696
Special Mention	2,717		493		7,126		2,584		2,397		2,834		1,582		—		19,733
Substandard - Accruing	2,295		4,021		1,204		4,907		2,259		25,544		—		—		40,230
Substandard - Nonaccrual	—		—		—		185		—		3,878		—		—		4,063
Total commercial real estate:	$	194,215	$	414,149	$	332,375	$	293,895	$	154,738	$	373,521	$	46,676	$	86,527	$	1,896,096
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	83	$	—	$	—	$	83
Residential real estate:
Pass	$	153,327	$	573,624	$	116,695	$	38,309	$	38,121	$	141,216	$	1,857	$	13,540	$	1,076,689
Pass/Watch	155		1,181		28		—		269		4,667		176		—		6,476
Special Mention	—		—		—		—		254		1,465		—		—		1,719
Substandard - Accruing	—		3,199		—		—		—		114		—		—		3,313
Substandard - Nonaccrual	—		6,704		3,169		2,214		4,009		6,267		16		34		22,413
Total residential real estate	$	153,482	$	584,708	$	119,892	$	40,523	$	42,653	$	153,729	$	2,049	$	13,574	$	1,110,610
Gross charge-offs	$	—	$	—	$	—	$	13	$	—	$	—	$	—	$	—	$	13
Public Finance:
Pass	$	37,074	$	—	$	43,512	$	174,907	$	201,575	$	135,326	$	—	$	3,051	$	595,445
Substandard - Accruing	—		—		—		—		7,468		—		—		—		7,468
Total public finance	$	37,074	$	—	$	43,512	$	174,907	$	209,043	$	135,326	$	—	$	3,051	$	602,913
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer:
Pass	$	3,232	$	2,183	$	5,347	$	9,414	$	3,482	$	2,555	$	2	$	9,491	$	35,706
Pass/Watch	—		53		108		99		145		153		1		46		605
Special Mention	—		—		13		7		—		—		—		—		20
Substandard - Accruing	—		—		—		—		—		—		30		—		30
Substandard - Nonaccrual	—		4		6		—		—		—		—		—		10
Total consumer	$	3,232	$	2,240	$	5,474	$	9,520	$	3,627	$	2,708	$	33	$	9,537	$	36,371
Gross charge-offs	$	—	$	—	$	11	$	8	$	111	$	32	$	3	$	169	$	334
Other:
Pass	$	5,890	$	7,802	$	13,198	$	806	$	282	$	10,227	$	4,859	$	100,183	$	143,247
Pass/Watch	—		—		7,334		—		—		—		—		—		7,334
Substandard - Nonaccrual	—		—		—		—		2,391		—		446		—		2,837
Total other	$	5,890	$	7,802	$	20,532	$	806	$	2,673	$	10,227	$	5,305	$	100,183	$	153,418
Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total loans:
Pass	$	772,846	$	1,425,245	$	832,155	$	627,418	$	425,971	$	643,406	$	89,633	$	997,236	$	5,813,910
Pass/Watch	4,807		4,679		39,338		30,567		11,255		34,416		2,727		95,612		223,401
Special Mention	6,476		47,564		9,392		4,872		3,310		5,030		4,916		6,729		88,289
Substandard - Accruing	5,287		7,582		34,829		9,223		11,065		29,200		3,074		3,909		104,169
Substandard - Nonaccrual	—		6,708		3,865		6,521		7,510		10,509		558		282		35,953
Doubtful	—		—		—		490		547		33		304		—		1,374
Total loans	$	789,416	$	1,491,778	$	919,579	$	679,091	$	459,658	$	722,594	$	101,212	$	1,103,768	$	6,267,096
Gross charge-offs	$	—	$	—	$	2,797	$	3,117	$	111	$	483	$	2,995	$	169	$	9,672

The following table presents the credit risk profile of our loan portfolio, gross of deferred costs, fees, premiums and discounts, based on our rating categories as of December 31, 2022, which is prior to the adoption of ASU 2016-13 on January 1, 2023 and continue to be reported under ASC 310, Receivables. We categorized loans into risk categories based on relevant information about the ability of borrowers to service their debt including current financial information, historical payment experience, credit documentation, public information and current economic trends among other factors. This risk rating system was used as a tool to analyze and monitor loan portfolio quality. Risk ratings meeting an internally specified exposure threshold were updated annually, or more frequently upon the occurrence of a circumstance that affected the credit risk of the loan. We use the following definitions for risk ratings:

Substandard - loans are considered “classified” and have a well-defined weakness, or weaknesses, such as loans that are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard loans are also characterized by the distinct possibility of loss in the future if the deficiencies are not corrected.

Doubtful - loans are considered “classified” and have all the weaknesses inherent in those classified as Substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. There were loans totaling $45 categorized as doubtful as of December 31, 2022.

	Non-Classified		Classified		Total
Commercial and industrial	$	2,969,786	$	55,288	$	3,025,074
Commercial real estate	1,715,415		37,945		1,753,360
Residential real estate	1,096,108		10,685		1,106,793
Consumer	43,592		114		43,706
Total loans	$	5,824,901	$	104,032	$	5,928,933

Financing Receivable, Loan Modification

The following table presents loan modifications that were experiencing financial difficulty during 2023, segregated by modification type, regardless of whether such modifications resulted in a new loan.

	Payment Delay		Interest Rate Reduction		% of Total Class of Loans
Commercial and industrial	$	292	$	—	—	%
Commercial real estate:
Non-owner occupied	—		—		—	%
Owner occupied	—		1,145		0.2	%
Construction and land	—		—		—	%
Multifamily	—		—		—	%
Total commercial real estate	—		1,145		0.2	%
Residential real estate	—		—		—	%
Public finance	—		—		—	%
Consumer	—		—		—	%
Other	—		—		—	%
Total loans	$	292	$	1,145	0.2	%

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Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2023

Transfers and Servicing [Abstract]

Schedule of Unpaid Principal Loan Balance of Servicing Portfolio

The unpaid principal loan balance of our servicing portfolio is presented in the following table as of December 31,:

	2023		2022
Federal National Mortgage Association	$	2,478,732	$	2,517,434
Federal Home Loan Mortgage Corporation	1,736,329		1,630,403
Government National Mortgage Association	1,094,438		916,455
Federal Home Loan Bank	105,702		111,699
Other	1,258		1,413
Total	$	5,416,459	$	5,177,404

Schedule of Mortgage Servicing Rights at Fair Value

The activity of MSRs carried at fair value is as follows for the years ended December 31,:

	2023		2022		2021
Balance, beginning of period	$	74,097	$	47,392	$	29,144
Additions:
Servicing resulting from transfers of financial assets	9,253		14,287		23,854
Changes in fair value:
Due to changes in valuation inputs or assumptions used in the valuation model	30		20,350		6,093
Changes in fair value due to pay-offs, pay-downs, and runoff	(6,679)		(7,932)		(11,699)
Balance, end of period	$	76,701	$	74,097	$	47,392

Schedule of Weighted-Average key Assumptions used to estimate Fair Value of Mortgage Servicing Rights

The following represents the weighted-average key assumptions used to estimate the fair value of MSRs as of December 31,:

	2023		2022		2021
Discount rate	10.06	%	9.85	%	9.22	%
Total prepayment speeds	7.79	%	7.40	%	11.52	%
Cost of servicing each loan	$90/per loan		$88/per loan		$85/per loan

Schedule of Servicing and Ancillary Fees from Mortgage Servicing Portfolio

Total servicing and ancillary fees earned from the mortgage servicing portfolio is presented in the following table for the years ended December 31,:

	2023		2022		2021
Servicing fees	$	14,913	$	14,675	$	12,092
Late and ancillary fees	761		413		433
Total	$	15,674	$	15,088	$	12,525

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Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of Premises and Equipment

A summary of premises and equipment is as follows:

	Estimated Useful Lives	2023		2022
Land	N/A	$	18,903	$	18,903
Buildings and improvements	5 - 39 years	80,948		80,565
Equipment	3 - 10 years	27,080		25,987
Automobiles	5 years	223		166
Software	1 - 7 years	9,092		7,200
Construction in progress	N/A	1,207		1,360
Premises and equipment		137,453		134,181
Less: Accumulated depreciation and amortization		(52,611)		(46,067)
Premises and equipment, net		$	84,842	$	88,114

We had depreciation and amortization expense as follows for the years ended December 31,:

	2023		2022		2021
Depreciation expense	$	6,553	$	7,118	$	6,118
Software amortization expense	$	867	$	835	$	1,063
Total depreciation and amortization expense	$	7,420	$	7,953	$	7,181

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Core Deposits and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Indefinite-Lived Intangible Assets

Activity in our core deposits and other intangible assets was as follows as of and for the years ended December 31,:

	Indefinite-Lived Assets		Finite Lived Assets
	Tradenames		Core Deposits Intangibles		Customer Relationships		Non-compete Agreements		Total
2023
Balance, beginning of year	$	1,800	$	13,159	$	748	$	99	$	15,806
Amortization	—		(4,538)		(185)		(99)		(4,822)
Balance, end of year	$	1,800	$	8,621	$	563	$	—	$	10,984
2022
Balance, beginning of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250
Additions	—		11,327		—		444		11,771
Amortization	—		(3,167)		(703)		(345)		(4,215)
Balance, end of year	$	1,800	$	13,159	$	748	$	99	$	15,806
2021
Balance, beginning of year	$	1,800	$	6,211	$	1,656	$	—	$	9,667
Amortization	—		(1,212)		(205)		—		(1,417)
Balance, end of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250

Schedule of Finite-Lived Intangible Assets

Activity in our core deposits and other intangible assets was as follows as of and for the years ended December 31,:

	Indefinite-Lived Assets		Finite Lived Assets
	Tradenames		Core Deposits Intangibles		Customer Relationships		Non-compete Agreements		Total
2023
Balance, beginning of year	$	1,800	$	13,159	$	748	$	99	$	15,806
Amortization	—		(4,538)		(185)		(99)		(4,822)
Balance, end of year	$	1,800	$	8,621	$	563	$	—	$	10,984
2022
Balance, beginning of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250
Additions	—		11,327		—		444		11,771
Amortization	—		(3,167)		(703)		(345)		(4,215)
Balance, end of year	$	1,800	$	13,159	$	748	$	99	$	15,806
2021
Balance, beginning of year	$	1,800	$	6,211	$	1,656	$	—	$	9,667
Amortization	—		(1,212)		(205)		—		(1,417)
Balance, end of year	$	1,800	$	4,999	$	1,451	$	—	$	8,250

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Future amortization expense of our core deposits and other intangible assets is as follows:

2024	$	2,605
2025	2,312
2026	2,006
2027	1,142
2028	920
Thereafter	199
Total future amortization	$	9,184

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Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

The components of our banking derivative financial instruments consisted of the following as of December 31,:

	Number of Transactions	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028 - 2036	$	195,935	$	12,737
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,931
Other	1	2025	$	14,638	$	7
Liabilities:
Interest Rate Products	49	2024 - 2037	$	396,111	$	19,869
Other	2	2028	$	6,168	$	30
2022
Derivative financial instruments designated as hedging instruments:
Assets:
Interest Rate Products	32	2028-2036	$	201,906	$	15,636
Derivative financial instruments not designated as hedging instruments:
Assets:
Interest Rate Products	41	2024-2037	$	338,770	$	24,615
Other	1	2025	$	14,638	$	—
Liabilities:
Interest Rate Products	41	2024-2037	$	338,770	$	24,242

The components of our mortgage banking derivative financial instruments consisted of the following as of December 31,:

	Expiration Dates	Outstanding Notional		Estimated Fair Value
2023
Derivative financial instruments
Assets:
Futures	2024	$	28,700	$	2,153
Interest rate lock commitments (IRLC)	2024	$	41,404	$	252
Liabilities:
Forward MBS trades	2024	$	77,000	$	606
2022
Derivative financial instruments
Assets:
Futures	2023	$	85,000	$	36
Liabilities:
Forward MBS trades	2023	$	21,800	$	225
Interest rate lock commitments (IRLC)	2023	$	52,533	$	60

Schedule of Derivative Instruments, Gain (Loss)

We recorded gains and losses on banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded gain (loss) on banking derivative assets	$	4,482	$	28,783	$	(777)
Recorded (loss) gain on banking derivative liabilities	$	(4,820)	$	(27,973)	$	1,172

We recorded gains and losses on mortgage banking derivatives assets as follows for the years ended December 31,:

	2023		2022		2021
Recorded (loss) gain on mortgage banking derivative     assets	$	(857)	$	233	$	(9,655)
Recorded (loss) gain on mortgage banking derivative liabilities	$	(642)	$	(15,863)	$	246

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Prepaid Expenses and Other Assets (Tables)

12 Months Ended

Dec. 31, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Prepaid Expenses and Other Assets

The components of prepaid expenses and other assets consisted of the following as of December 31,:

	2023		2022
Derivative financial instruments	$	35,080	$	40,287
Right-of-use asset on leased property	24,227		28,404
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
Fiserv ATM compensating balance	11,308		9,865
Prepaid expenses	7,617		7,691
CRA investments	4,370		2,357
Federal and state tax receivables, net	3,640		1,101
Artwork	944		944
SBA servicing rights	163		236
Other	23,542		21,681
Total prepaid expenses and other assets	$	134,321	$	124,790

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Deposits (Tables)

12 Months Ended

Dec. 31, 2023

Statistical Disclosure for Banks [Abstract]

Schedule of Composition of Deposits

The composition of our deposits is as follows as of December 31,:

	2023		2022
Noninterest-bearing demand deposit accounts	$	1,530,506	$	1,820,490
Interest-bearing deposit accounts:
Interest-bearing demand accounts	534,540		212,357
Savings accounts and money market accounts	2,446,632		2,759,969
NOW accounts	56,819		50,224
Certificate of deposit accounts:
Less than $100	714,171		241,322
$100 through $250	569,696		270,790
Greater than $250	521,739		409,910
Total interest-bearing deposit accounts	4,843,597		3,944,572
Total deposits	$	6,374,103	$	5,765,062

Schedule of Interest Expense Incurred on Deposits

The following table summarizes the interest expense incurred on our deposits for the years ended December 31,:

	2023		2022		2021
Interest-bearing deposit accounts:
Interest-bearing demand accounts	$	11,235	$	1,637	$	379
Savings accounts and money market accounts	30,977		7,569		4,752
NOW accounts	339		138		377
Certificate of deposit accounts	58,804		3,810		3,036
Total interest-bearing deposit accounts	$	101,355	$	13,154	$	8,544

Schedule of Remaining Maturity on Certificate of Deposit Accounts

The remaining maturity on certificate of deposit accounts is as follows as of December 31, 2023:

2024	$	1,667,847
2025	118,408
2026	9,440
2027	3,926
2028	3,153
Thereafter	2,832
Total certificate of deposit accounts	$	1,805,606

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Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Dec. 31, 2023

Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned [Abstract]

Schedule of Information Concerning Securities Sold Under Agreements to Repurchase

Information concerning securities sold under agreements to repurchase is as follows as of and for years ended December 31,:

	2023			2022
Amount outstanding at period-end	$	24,693		$	36,721
Average daily balance during the period	$	28,316		$	54,335
Average interest rate during the period	0.84		%	0.27		%
Maximum month-end balance during the period	$	40,432		$	70,838
Weighted average interest rate at period-end	0.91		%	0.42		%

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Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Advances and Other Borrowings Outstanding

The following is a breakdown of our FHLB advances and other borrowings outstanding as of December 31,:

	2023				2022
	Amount		Rate	Weighted Average Rate	Amount		Rate	Weighted Average Rate
Variable rate line-of-credit advance	$	389,468	5.55%	N/A	$	643,885	4.48%	N/A

Schedule Of Future Amortization Of Debt Issuance Cost

Future amortization of the debt issuance costs is expected as follows:

2024	$	93
2025	93
2026	93
2027	93
2028	93
Thereafter	143
Total future amortization	$	608

Future amortization of the debt issuance costs is expected as follows:

2024	$	53
2025	53
2026	53
2027	53
2028	53
Thereafter	164
Total future amortization	$	429

Schedule Of Future Accretion Valuation Discount

Future accretion of the valuation discount is expected as follows:

2024	$	382
2025	271
2026	241
2027	246
2028	241
Thereafter	1,189
Total future accretion	$	2,570

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Accrued Expenses and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2023

Payables and Accruals [Abstract]

Schedule of Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities consisted of the following as of December 31,:

	2023		2022
Lease liability	$	26,431	$	31,267
Salary and employee benefits	30,549		29,834
Derivative financial instruments	20,505		24,527
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430		12,224
FRB courtesy inclearings	6,139		6,821
Professional fees	1,607		1,757
Property taxes payable	1,260		886
MPF servicing principal and interest payable	522		885
Other	14,927		15,884
Total accrued expenses and other liabilities	$	125,370	$	124,085

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share of Common Stock

The following table sets forth the computation of basic and diluted earnings per share of common stock as of and for the years ended December 31,:

	2023		2022		2021
Net income applicable to common stockholders	$	103,533	$	59,182	$	43,164
Weighted Average Shares
Weighted average common shares outstanding	24,938,359		23,245,598		18,321,794
Effect of dilutive securities
Stock-based awards	448,837		592,873		448,991
Weighted average diluted common shares	25,387,196		23,838,471		18,770,785
Earnings per common share
Basic earnings per common share	$	4.15	$	2.55	$	2.36
Effect of dilutive securities
Stock-based awards	(0.07)		(0.07)		(0.06)
Diluted earnings per common share	$	4.08	$	2.48	$	2.30

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Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2023

AOCI Attributable to Parent [Abstract]

Schedule of Components in Accumulated Other Comprehensive Income (Loss)

The following table sets forth the components in accumulated other comprehensive income for the years ended December 31,:

	2023		2022		2021
Securities available-for-sale:
Balance, beginning of year	$	(46,157)	$	1,664	$	9,119
Unrealized loss	1,002		(63,302)		(9,870)
Income tax effect	(244)		15,481		2,415
Net unrealized loss	758		(47,821)		(7,455)
Reclassifications out of AOCI (1)	—		—		—
Other comprehensive loss, net of tax	758		(47,821)		(7,455)
Balance, end of year	$	(45,399)	$	(46,157)	$	1,664
Fair value hedges of securities available-for-sale:
Balance, beginning of year	$	2,174	$	—	$	—
Unrealized gain	289		2,879		—
Income tax effect	(71)		(705)		—
Net unrealized gain	218		2,174		—
Balance, end of year	$	2,392	$	2,174	$	—
(1) Reclassifications are reported in noninterest income on the Consolidated Statements of Income and Comprehensive Income

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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of Treasury Stock Activity

Activity in treasury stock is as follows for the years ended December 31,:

	2023			2022
	Shares	Amount		Shares	Amount
Balance, beginning of year	—	$	—	1,557,054	$	38,148
Purchases	—	—		—	—
Issuances	—	—		(1,557,054)	(38,148)
Balance, end of year	—	$	—	—	$	—

Schedule of Stock Option Activity

The following table presents stock options outstanding as of and for the years ended December 31,:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	1,307,915	$	20.23
Exercised	(62,915)	19.72
Outstanding, end of period	1,245,000	$	20.25	4.29
Options vested or expected to vest	1,245,000	$	20.25
Options exercisable, end of period	1,198,624	$	20.13	4.21
2022
Outstanding, beginning of period	1,412,900	$	20.19
Exercised	(104,985)	19.72
Outstanding, end of period	1,307,915	$	20.23	5.26
Options vested or expected to vest	1,307,915	$	20.23
Options exercisable, end of period	1,191,032	$	20.03	5.05

The following table presents option activity:

	Shares	Weighted-Average Exercise Price, per Share		Weighted-Average Remaining Contractual Term (years)
2023
Outstanding, beginning of period	170,711	$	23.19
Exercised	(40,719)	23.88
Forfeited	(8,091)	18.76
Outstanding, vested, and exercisable, end of period	121,901	$	23.26	3.87
2022
Outstanding, beginning of period	—	$	—
Options assumed from Pioneer Bancshares, Inc.	431,645	23.32
Exercised	(259,890)	23.40
Forfeited	(1,044)	24.90
Outstanding, vested, and exercisable, end of period	170,711	$	23.19	5.62

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The provision for income tax is summarized as follows for the years ended December 31,:

	2023		2022		2021
Current	$	24,938	$	5,637	$	5,533
Deferred	3,012		9,203		3,145
Total income tax expense	$	27,950	$	14,840	$	8,678

Schedule of reconciliation of the statutory u.s. federal income tax rate to income before provision for income taxes

A reconciliation of the provision for income taxes, with the amount computed by applying the statutory U.S. federal income tax rates to income before provision for income taxes is as follows for the years ended December 31,:

	2023		2022		2021
Income tax provision computed at U.S. federal statutory rate	$	27,611	$	15,545	$	10,887
State tax expense, net of U.S. federal effect	3,718		2,359		1,836
Tax exempt interest	(4,017)		(4,011)		(4,562)
Net increase in cash surrender value of BOLI	(405)		(353)		(268)
Non-deductible professional fees	—		216		648
Executive compensation	301		727		—
Other	742		357		137
Income tax provision	$	27,950	$	14,840	$	8,678
Effective tax provision rate	21.3%		20.0%		16.7%

Schedule of Deferred Tax Assets and Liabilities

Significant components of deferred tax assets and liabilities are as follows as of December 31,:

	2023		2022
Deferred tax assets:
Federal and state net operating loss	$	22,852	$	25,118
Allowance for credit losses	18,950		15,537
Unrealized loss on securities	13,920		14,235
Deferred compensation	3,005		4,756
Fair value adjustments on loans	1,626		2,428
Share-based compensation	2,529		2,208
Accrued expenses	881		1,320
Deferred loan fees	826		1,044
Lease liability	519		1,044
Fair value adjustments on deposits	99		326
Other real estate owned and foreclosed assets	—		7
Other	5,437		4,559
Total deferred tax assets	70,644		72,582
Deferred tax liabilities:
Mortgage servicing rights	18,079		17,465
Fair value adjustments on intangible assets	2,889		3,596
Prepaid expenses	1,193		1,143
Premises and equipment	1,281		918
Fair value adjustments on debt	606		700
FHLB stock	144		196
Other	193		209
Total deferred tax liabilities	24,385		24,227
Total deferred tax assets, net	$	46,259	$	48,355

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Other Noninterest Expenses (Tables)

12 Months Ended

Dec. 31, 2023

Other Income and Expenses [Abstract]

Schedule of Other Noninterest Expenses

Significant components of other noninterest expenses are as follows for the years ended December 31,:

	2023		2022		2021
Data processing expenses	$	14,933	$	14,722	$	12,889
Office expenses	4,698		5,203		4,396
Loan appraisal, servicing, and collection expenses	4,179		4,914		4,043
Professional fees	7,663		6,918		4,506
Advertising and marketing expenses	2,810		2,592		3,124
Insurance expenses	6,422		5,050		3,537
Travel and entertainment	3,873		3,750		2,526
Automated teller machine (ATM) and interchange expenses	1,495		1,494		1,176
Deposit expenses and other operational losses	1,894		2,057		1,024
Other	3,347		3,757		3,358
Total other noninterest expenses	$	51,314	$	50,457	$	40,579

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Regulatory Capital Matters (Tables)

12 Months Ended

Dec. 31, 2023

Regulatory Capital Requirements under Banking Regulations [Abstract]

Schedule of Actual and Required Capital Amounts

Actual and required capital amounts for the Parent Company are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount	Ratio
2023
Total risk-based capital to risk-weighted assets:	$	953,331	13.25	%	$	575,434	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	798,167	11.10	%	$	431,575	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	798,167	11.10	%	$	323,682	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	798,167	10.52	%	$	303,410	4.00	%	N/A	N/A
2022
Total risk-based capital to risk-weighted assets:	$	829,712	11.99	%	$	553,440	8.00	%	N/A	N/A
Tier 1 risk-based capital to risk-weighted assets:	$	687,602	9.94	%	$	415,080	6.00	%	N/A	N/A
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	687,602	9.94	%	$	311,310	4.50	%	N/A	N/A
Tier 1 leverage capital to average assets:	$	687,602	9.71	%	$	283,353	4.00	%	N/A	N/A

Actual and required capital amounts for the Bank are as follows as of December 31,:

	Actual				For Capital Adequacy Purposes				To be Well- Capitalized under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
2023
Total risk-based capital to risk-weighted assets:	$	918,050	12.79	%	$	574,280	8.00	%	$	717,850	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	838,199	11.68	%	$	430,710	6.00	%	$	574,280	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	838,199	11.68	%	$	323,033	4.50	%	$	466,603	6.50	%
Tier 1 leverage capital to average assets:	$	838,199	11.05	%	$	303,321	4.00	%	$	379,151	5.00	%
2022
Total risk-based capital to risk-weighted assets:	$	815,335	11.81	%	$	552,237	8.00	%	$	690,296	10.00	%
Tier 1 risk-based capital to risk-weighted assets:	$	748,105	10.84	%	$	414,177	6.00	%	$	552,237	8.00	%
Common Equity Tier 1 (CET 1) to risk-weighted assets:	$	748,105	10.84	%	$	310,633	4.50	%	$	448,692	6.50	%
Tier 1 leverage capital to average assets:	$	748,105	10.56	%	$	283,245	4.00	%	$	354,056	5.00	%

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table sets forth our assets and liabilities measured at fair value on a recurring basis as of December 31,:

	Level 1		Level 2		Level 3
	Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs		Total Estimated Fair Value
2023
Available-for-sale securities	$	54,234	$	462,523	$	—	$	516,757
Loans held-for-sale	—		54,212		—		54,212
Mortgage servicing rights	—		—		76,701		76,701
Derivative financial instruments - assets	—		35,080		—		35,080
Derivative financial instruments - liabilities	—		(20,505)		—		(20,505)
Total	$	54,234	$	531,310	$	76,701	$	662,245
2022
Available-for-sale securities	$	56,649	$	480,324	$	—	$	536,973
Loans held-for-sale	—		57,323		—		57,323
Mortgage servicing rights	—		—		74,097		74,097
Derivative financial instruments - assets	—		40,287		—		40,287
Derivative financial instruments - liabilities	—		(24,527)		—		(24,527)
Total	$	56,649	$	553,407	$	74,097	$	684,153

Schedule of Reconciliation for Level 3 Assets Measured at Fair Value on a Recurring Basis

The following table presents a reconciliation for our Level 3 assets measured at fair value on a recurring basis as of and for the years ended December 31,:

	2023		2022		2020
Balance, beginning of year	$	74,097	$	47,392	$	29,144
Total (losses) gains included in earnings	(6,649)		12,418		(5,606)
Purchases, issuances, sales and settlements:
Issuances	9,253		14,287		23,854
Balance, end of year	$	76,701	$	74,097	$	47,392

Schedule of Assets and Liabilities Measured at Fair Value on a Non-recurring

The following table sets forth our assets and liabilities that were measured at fair value on a non-recurring basis as of December 31,:

	Level 3
	2023		2022
Collateral dependent loans:
Commercial and industrial	$	2,756	$	5,229
Commercial real estate	—		607
Residential real estate	1,448		802
Consumer	—		3
Other	2,289		—
Total collateral dependent loans	$	6,493	$	6,641
Other real estate owned and foreclosed assets, net:
Commercial real estate	$	3,133	$	5,391
Residential real estate	967		967
Total other real estate owned and foreclosed assets, net:	$	4,100	$	6,358

Schedule of Estimated Fair Values of Financial Instruments Not Carried at Fair Value

The carrying amounts and estimated fair values of financial instruments not carried at fair value are as follows as of December 31,:

			Estimated Fair Value
	Carrying Value		Total		Level 1		Level 2		Level 3
2023
Assets:
Cash and cash equivalents	$	479,362	$	479,362	$	479,362	$	—	$	—
Securities held-to-maturity	36,983		32,181		—		32,181		—
Loans (excluding collateral dependent loans at fair value)	6,260,603		6,121,749		—		—		6,121,749
Restricted equity securities	38,072		38,072		—		38,072		—
Accrued interest receivable	37,099		37,099		—		2,220		34,879
Liabilities:
Deposits (excluding demand deposits)	$	4,309,057	$	4,298,164	$	2,503,451	$	1,794,713	$	—
Securities sold under agreements to repurchase	24,693		24,693		—		24,693		—
FHLB advances	389,468		389,468		—		389,468		—
Subordinated debt, net	75,313		72,073		—		72,073		—
Accrued interest payable	13,580		13,580		—		13,580		—
2022
Assets:
Cash and cash equivalents	$	343,526	$	343,526	$	343,526	$	—	$	—
Securities held-to-maturity	38,901		33,218		—		33,218		—
Loans (excluding impaired loans)	5,871,274		5,756,197		—		—		5,756,197
Restricted equity securities	50,215		50,215		—		50,215		—
Accrued interest receivable	28,543		28,543		—		2,049		26,494
Liabilities:
Deposits (excluding demand deposits)	$	3,732,215	$	3,696,438	$	2,810,193	$	886,245	$	—
Securities sold under agreements to repurchase	36,721		36,721		—		36,721		—
FHLB advances	643,885		643,885		—		643,885		—
Convertible notes payable, net	5,355		5,329		—		5,329		—
Subordinated debt, net	74,880		71,618		—		71,618		—
Accrued interest payable	5,798		5,798		—		5,798		—

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Parent Company Only Condensed Financial Information (Tables)

12 Months Ended

Dec. 31, 2023

Condensed Financial Information Disclosure [Abstract]

Schedule of Condensed Balance Sheets

Condensed Balance Sheets

As of December 31,

	2023		2022
Assets
Cash and cash equivalents	$	34,050	$	17,312
Deferred tax assets	11,026		13,791
Prepaid expenses and other assets	16,179		12,996
Investment in and advances to subsidiaries	906,504		823,449
Total assets	$	967,759	$	867,548
Liabilities
Convertible notes payable, net	$	—	$	5,355
Subordinated debt, net	75,313		74,880
Accrued expenses and other liabilities	15,249		12,777
Total liabilities	90,562		93,012
Total stockholders’ equity	877,197		774,536
Total liabilities and stockholders’ equity	$	967,759	$	867,548

Schedule of Condensed Statements of Income and Comprehensive Income

Condensed Statements of Income and Comprehensive Income

For the years ended December 31,

	2023		2022		2021
Income:
Dividends received from subsidiaries	$	26,595	$	8,700	$	—
Interest income, $0, $2 and $44 from subsidiaries, respectively	36		22		56
Total income	26,631		8,722		56
Expense:
Interest expense	5,049		5,684		4,609
Salary and employee benefits	1,888		1,143		1,305
Occupancy and equipment	189		83		2
Merger related expenses	—		1,598		1,663
Other noninterest expenses, net	2,039		1,380		778
Total expenses	9,165		9,888		8,357
Income (loss) before income taxes and undistributed earnings from subsidiaries	17,466		(1,166)		(8,301)
Equity in undistributed earnings from subsidiaries	83,837		58,047		49,729
Income before income taxes	101,303		56,881		41,428
Benefit from income taxes	(2,230)		(2,301)		(1,736)
Net income	$	103,533	$	59,182	$	43,164
Other comprehensive income (loss), net	976		(45,647)		(7,455)
Comprehensive income	$	104,509	$	13,535	$	35,709

Schedule of Condensed Statements of Cash Flows

Condensed Statements of Cash Flows

For the years ended December 31,

	2023		2022		2021
Cash flows from operating activities:
Net income	$	103,533	$	59,182	$	43,164
Adjustments to reconcile income to net cash provided by (used in) operating activities:
Amortization and accretion	533		1,529		1,095
(Equity) deficit in undistributed income of subsidiaries	(83,837)		(58,047)		(49,729)
Changes in operating assets and liabilities:
Other assets	(419)		(1,442)		(4,250)
Other liabilities	2,911		293		3,479
Net cash provided by (used in) operating activities	22,721		1,515		(6,241)
Cash flows from investing activities:
Payments for investments in and advances to subsidiaries	—		125		500
Cash paid to acquire FEIF Capital Partners, LLC (for further information, see Note 20 - Transactions with Related Parties)	(150)		—		—
Cash paid in excess of cash acquired in connection with Pioneer Merger	—		(4,140)		—
Contributions to subsidiaries	(210)		—		—
Net cash (used in) provided by investing activities	(360)		(4,015)		500
Cash flows from financing activities:
Repayments of convertible notes payable	(5,456)		(15,217)		—
Proceeds from subordinated debt	—		24,466		—
Proceeds from issuance of common stock, net of issuance costs	(167)		(578)		(66)
Net cash (used in) provided by financing activities	(5,623)		8,671		(66)
Net increase (decrease) in cash and cash equivalents	16,738		6,171		(5,807)
Cash and cash equivalents, beginning of year	17,312		11,141		16,948
Cash and cash equivalents, end of year	$	34,050	$	17,312	$	11,141

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Segment Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Significant segment totals are reconciled to the financial statements as follows for the year ended December 31,:

	Banking		Mortgage Operations		Corporate		Total Segments
2023
Summary of Operations
Net interest income (expense)	$	292,573	$	5,871	$	(5,013)	$	293,431
Provision for credit losses	15,790		2,457		—		18,247
Noninterest income:
Service charges on deposit accounts	21,345		—		—		21,345
Credit and debit card fees	11,997		3		—		12,000
Trust and investment advisory fees	5,693		—		—		5,693
(Loss) income from mortgage banking services, net	(1,676)		33,060		—		31,384
Other noninterest income	8,670		—		—		8,670
Total noninterest income	46,029		33,063		—		79,092
Noninterest expense:
Salary and employee benefits	106,030		25,313		1,888		133,231
Occupancy and equipment	30,461		2,775		190		33,426
Other noninterest expenses	39,165		14,933		2,038		56,136
Total noninterest expense	175,656		43,021		4,116		222,793
Income (loss) before income taxes	$	147,156	$	(6,544)	$	(9,129)	$	131,483
Other Information
Depreciation expense	$	6,320	$	233	$	—	$	6,553
Identifiable assets	$	6,907,741	$	910,728	$	61,255	$	7,879,724

	Banking		Mortgage Operations		Corporate		Total Segments
2022
Summary of Operations
Net interest income (expense)	$	241,840	$	5,455	$	(5,663)	$	241,632
Provision for credit losses	14,781		3,269		—		18,050
Noninterest income:
Service charges on deposit accounts	18,211		—		—		18,211
Credit and debit card fees	11,511		—		—		11,511
Trust and investment advisory fees	6,806		—		—		6,806
(Loss) income from mortgage banking services, net	(3,035)		49,320		—		46,285
Other noninterest income	6,762		(9)		—		6,753
Total noninterest income	40,255		49,311		—		89,566
Noninterest expense:
Salary and employee benefits	94,310		38,456		1,593		134,359
Occupancy	27,407		3,854		83		31,344
Other noninterest expenses	57,082		13,814		2,527		73,423
Total noninterest expense	178,799		56,124		4,203		239,126
Income (loss) before income taxes	$	88,515	$	(4,627)	$	(9,866)	$	74,022
Other Information
Depreciation expense	$	6,754	$	364	$	—	$	7,118
Identifiable assets	$	6,633,383	$	752,841	$	44,098	$	7,430,322

	Banking		Mortgage Operations		Corporate		Total Segments
2021
Summary of Operations
Net interest income (expense)	$	152,515	$	7,270	$	(4,552)	$	155,233
Provision (benefit) for credit losses	3,235		(235)		—		3,000
Noninterest income:
Service charges on deposit accounts	12,504		—		—		12,504
Credit and debit card fees	9,596		—		—		9,596
Trust and investment advisory fees	7,795		—		—		7,795
(Loss) income from mortgage banking services, net	(2,409)		88,819		—		86,410
Other noninterest income	7,946		(7)		—		7,939
Total noninterest income	35,432		88,812		—		124,244
Noninterest expense:
Salary and employee benefits	95,064		55,557		1,305		151,926
Occupancy	24,558		3,067		3		27,628
Other noninterest expenses	30,297		12,341		2,443		45,081
Total noninterest expense	149,919		70,965		3,751		224,635
Income (loss) before income taxes	$	34,793	$	25,352	$	(8,303)	$	51,842
Other Information
Depreciation expense	$	5,728	$	390	$	—	$	6,118
Identifiable assets	$	5,058,281	$	573,552	$	34,981	$	5,666,814

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Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Schedule of Lease Commitments

For leases existing during transition from ASC 840 to ASC 842 at January 1, 2022, extension options were not considered in the remaining lease term.

	2023		2022
ROU asset on leased property, gross	$	36,520	$	35,212
Accumulated amortization	(12,293)		(6,808)
ROU asset, net (Note 9)	$	24,227	$	28,404
Lease liability (Note 13)	$	26,431	$	31,267

The components of total lease expense was as follows for the years ended December 31,:

	2023		2022
Operating leases	$	7,683	$	7,145
Short-term leases	216		476
Sublease income	(229)		(310)
Net lease expense	$	7,670	$	7,311

Schedule of Future Minimum Leases Payment

The following table reconciles future undiscounted lease payments due under non-cancelable operating leases to the aggregate operating lessee lease liability as of December 31, 2023:

2024	$	7,146
2025	6,145
2026	4,386
2027	2,670
2028	2,488
Thereafter	5,287
Total undiscounted operating lease liability	28,122
Imputed interest	1,691
Total operating lease liability included in the accompanying balance sheet	$	26,431
Weighted Average Remaining Life - Operating Leases	5.56
Weighted Average Rate - Operating Leases	2.10		%

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Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The disaggregation of our revenue from contracts with customers included in our Banking segment is provided below for the years ended December 31,:

	2023		2022		2021
Service charges on deposit accounts	$	21,345	$	18,211	$	12,504
Credit and debit card fees	12,000		11,511		9,596
Trust and investment advisory fees	5,693		6,806		7,795
Other income	4,930		5,464		4,932
Total	$	43,968	$	41,992	$	34,827

XML

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023	Apr. 01, 2022	Dec. 31, 2020
Business Acquisition [Line Items]
Loans, allowance for credit losses	$ 80,398,000	$ 65,917,000	$ 47,547,000			$ 47,766,000
Deferred tax assets, net	46,259,000	48,355,000
Cumulative reduction to retained earnings, net of tax	$ (457,522,000)	$ (357,797,000)
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Income from mortgage banking services, net	Income from mortgage banking services, net	Income from mortgage banking services, net
Allowance for credit loss on outstanding servicer advances	$ 0	$ 0	$ 0
Goodwill impairment loss	0	0	0
Impairment of long-lived assets	$ 0	720,000	0
Defined contribution plan, maximum annual contributions per employee, percent	100.00%
Defined contribution plan, employer matching contribution, percent of employees' elective deferrals	100.00%
Defined contribution plan, employer matching contribution, percent of match	6.00%
Employer discretionary contribution amount	$ 5,300,000	5,200,000	$ 4,900,000
Core Deposits Intangibles
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	10 years
Minimum
Business Acquisition [Line Items]
Mortgage Servicing Rights, base servicing fee as percentage of remaining outstanding principle balances of loans	0.25%
Promises and equipment, useful lives	1 year
Minimum | Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	10 years
Maximum
Business Acquisition [Line Items]
Mortgage Servicing Rights, base servicing fee as percentage of remaining outstanding principle balances of loans	0.50%
Promises and equipment, useful lives	39 years
Maximum | Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	16 years
Unfunded Loan Commitment
Business Acquisition [Line Items]
Loans, allowance for credit losses	$ 2,309,000	$ 1,313,000
Accounting Standards Update 2016-13 | Revision of Prior Period, Adjustment
Business Acquisition [Line Items]
Loans, allowance for credit losses				$ 5,300,000
Deferred tax assets, net				1,200,000
Cumulative reduction to retained earnings, net of tax				3,800,000
Accounting Standards Update 2016-13 | Revision of Prior Period, Adjustment | Unfunded Loan Commitment
Business Acquisition [Line Items]
Loans, allowance for credit losses				$ (200,000)
FirstSun Capital Bancorp and Pioneer Bancshares, Inc. Merger
Business Acquisition [Line Items]
Shares issuable in merger (in shares)					1.0443

XML

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Federal Reserve Bank	$ 437,855	$ 247,015
Federal Home Loan Bank	1,173	1,335
Other	10,870	8,799
Total cash due from depository institutions	449,898	257,149
Cash on hand and noninterest-bearing accounts	29,464	86,377
Total cash and cash equivalents	$ 479,362	$ 343,526

XML

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies - Restricted Equity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Federal Home Loan Bank stock	$ 20,945	$ 33,137
Federal Reserve Bank stock	17,127	17,078
Total restricted equity securities	$ 38,072	$ 50,215

XML

Merger with Pioneer Bancshares, Inc. - Narrative (Details) - FirstSun Capital Bancorp and Pioneer Bancshares, Inc. Merger $ in Thousands	Apr. 01, 2022 USD ($) shares
Business Acquisition [Line Items]
Business acquisition, shares issuable in merger (in shares) | shares	1.0443
Business acquisition, number of shares issued (in shares) | shares	6,467,466
Business acquisition, equity interest issued	$ 230,760
Business acquisition, consideration transferred, stock options converted, number of shares (in shares) | shares	431,645
Business acquisition, consideration transferred, stock options converted	$ 5,334
Payments to acquire businesses	4,736
Business acquisition, aggregate consideration	$ 240,830

XML

Merger with Pioneer Bancshares, Inc. - Fair Values of the Assets Acquired and Liabilities Assumed in this Transaction (Details) - USD ($) $ in Thousands	Apr. 01, 2022	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill		$ 93,483	$ 93,483
FirstSun Capital Bancorp and Pioneer Bancshares, Inc. Merger
Business Acquisition [Line Items]
Cash and cash equivalents	$ 449,278
Investment securities	157,859
Loans held-for-sale	2,923
Loans	811,300
Premises and equipment	39,935
Bank-owned life insurance	21,382
Restricted equity securities	9,320
Core deposits and other intangible assets	11,771
Accrued interest receivable	3,947
Deferred tax assets	19,752
Prepaid expenses and other assets	7,317
Total assets acquired	1,534,784
Deposits	1,192,081
Federal Home Loan Bank advances	159,924
Accrued interest payable	407
Accrued expenses and other liabilities	1,975
Total liabilities assumed	1,354,387
Fair value of net assets acquired	180,397
Purchase price	240,830
Goodwill	$ 60,433

XML

Merger with Pioneer Bancshares, Inc. - Fair Value and Contractual Value of Loans (Details) $ in Thousands	Apr. 01, 2022 USD ($)
Business Acquisition [Line Items]
Acquired Loans	$ 811,300
Contractual Principal Balance	821,838
Commercial and industrial
Business Acquisition [Line Items]
Acquired Loans	98,351
Contractual Principal Balance	98,752
Commercial real estate
Business Acquisition [Line Items]
Acquired Loans	509,173
Contractual Principal Balance	516,341
Residential real estate
Business Acquisition [Line Items]
Acquired Loans	173,094
Contractual Principal Balance	174,763
Consumer
Business Acquisition [Line Items]
Acquired Loans	30,682
Contractual Principal Balance	$ 31,982

XML

Merger with Pioneer Bancshares, Inc. - Supplemental Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Business Combination and Asset Acquisition [Abstract]
Net interest income	$ 251,783	$ 201,501
Provision for credit losses	17,200	350
Net interest income after provision for credit losses	234,583	201,151
Noninterest income	90,993	129,373
Noninterest expenses	229,307	258,544
Income before income taxes	96,269	71,980
Provision for income taxes	19,508	13,413
Net income	76,761	58,567
Earnings per share:
Net income available to common stockholders, basic	76,761	58,567
Net income available to common stockholders, diluted	$ 76,761	$ 58,567
Basic (in dollars per share)	$ 3.09	$ 2.36
Diluted (in dollars per share)	$ 3.01	$ 2.30

XML

Securities - Schedule of Securities by Type (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	$ 576,855	$ 598,073
Gross Unrealized Gains	616	6
Gross Unrealized Losses	(60,714)	(61,106)
Estimated Fair Value	516,757	536,973
Total held-to-maturity	36,983	38,901
Gross Unrealized Gains	5	9
Gross Unrealized Losses	(4,807)	(5,692)
Debt Securities, Held-to-Maturity, Fair Value	32,181	33,218
U.S. treasury
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	58,468	62,010
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,234)	(5,361)
Estimated Fair Value	54,234	56,649
U.S. agency
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	1,872	2,881
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(33)	(47)
Estimated Fair Value	1,839	2,834
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	29,979	29,897
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,009)	(4,998)
Estimated Fair Value	25,970	24,899
Total held-to-maturity	25,542	25,378
Gross Unrealized Gains	3	5
Gross Unrealized Losses	(3,987)	(4,891)
Debt Securities, Held-to-Maturity, Fair Value	21,558	20,492
Mortgage backed - residential
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	121,288	129,955
Gross Unrealized Gains	119	6
Gross Unrealized Losses	(14,974)	(13,826)
Estimated Fair Value	106,433	116,135
Total held-to-maturity	7,548	8,705
Gross Unrealized Gains	2	4
Gross Unrealized Losses	(560)	(511)
Debt Securities, Held-to-Maturity, Fair Value	6,990	8,198
Collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	203,394	225,559
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(21,861)	(21,294)
Estimated Fair Value	181,533	204,265
Total held-to-maturity	3,893	4,818
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(260)	(290)
Debt Securities, Held-to-Maturity, Fair Value	3,633	4,528
Mortgage backed - commercial
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	145,062	130,997
Gross Unrealized Gains	497	0
Gross Unrealized Losses	(14,367)	(13,661)
Estimated Fair Value	131,192	117,336
Other debt
Debt Securities, Available-for-sale [Line Items]
Total available-for-sale	16,792	16,774
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,236)	(1,919)
Estimated Fair Value	$ 15,556	$ 14,855

XML

Securities - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Allowance for credit losses	$ 0
Proceeds from sale and calls of securities	0	$ 81,016,000
Gains (losses) from sale of securities	0	0	$ 0
Asset Pledged as Collateral without Right
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, carrying value	$ 468,679,000	$ 428,721,000

XML

Securities - Fair Value and Unrealized Losses on Debt Securities in Continuous Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Available-for-sale:
Estimated Fair Value	$ 4,721	$ 296,224
Unrealized Losses	(27)	(20,715)
Estimated Fair Value	494,328	239,756
Unrealized Losses	(60,687)	(40,391)
Estimated Fair Value	499,049	535,980
Unrealized Losses	$ (60,714)	$ (61,106)
Number of Securities | security	216	219
Held-to-maturity:
Estimated Fair Value	$ 0	$ 32,273
Unrealized Losses	0	(5,677)
Estimated Fair Value	31,701	401
Unrealized Losses	(4,807)	(15)
Estimated Fair Value	31,701	32,674
Gross Unrealized Losses	$ (4,807)	$ (5,692)
Number of Securities | security	23	23
U.S. treasury
Available-for-sale:
Estimated Fair Value	$ 0	$ 25,702
Unrealized Losses	0	(967)
Estimated Fair Value	54,234	30,947
Unrealized Losses	(4,234)	(4,394)
Estimated Fair Value	54,234	56,649
Unrealized Losses	$ (4,234)	$ (5,361)
Number of Securities | security	9	10
U.S. agency
Available-for-sale:
Estimated Fair Value	$ 0	$ 0
Unrealized Losses	0	0
Estimated Fair Value	1,839	2,834
Unrealized Losses	(33)	(47)
Estimated Fair Value	1,839	2,834
Unrealized Losses	$ (33)	$ (47)
Number of Securities | security	7	7
Obligations of states and political subdivisions
Available-for-sale:
Estimated Fair Value	$ 0	$ 21,676
Unrealized Losses	0	(3,784)
Estimated Fair Value	25,970	2,753
Unrealized Losses	(4,009)	(1,214)
Estimated Fair Value	25,970	24,429
Unrealized Losses	$ (4,009)	$ (4,998)
Number of Securities | security	19	18
Held-to-maturity:
Estimated Fair Value	$ 0	$ 20,153
Unrealized Losses	0	(4,891)
Estimated Fair Value	21,223	0
Unrealized Losses	(3,987)	0
Estimated Fair Value	21,223	20,153
Gross Unrealized Losses	$ (3,987)	$ (4,891)
Number of Securities | security	8	8
Mortgage backed - residential
Available-for-sale:
Estimated Fair Value	$ 0	$ 51,921
Unrealized Losses	0	(2,939)
Estimated Fair Value	100,571	63,691
Unrealized Losses	(14,974)	(10,887)
Estimated Fair Value	100,571	115,612
Unrealized Losses	$ (14,974)	$ (13,826)
Number of Securities | security	83	87
Held-to-maturity:
Estimated Fair Value	$ 0	$ 7,993
Unrealized Losses	0	(511)
Estimated Fair Value	6,845	0
Unrealized Losses	(560)	0
Estimated Fair Value	6,845	7,993
Gross Unrealized Losses	$ (560)	$ (511)
Number of Securities | security	10	10
Collateralized mortgage obligations
Available-for-sale:
Estimated Fair Value	$ 0	$ 111,360
Unrealized Losses	0	(4,631)
Estimated Fair Value	181,533	92,905
Unrealized Losses	(21,861)	(16,663)
Estimated Fair Value	181,533	204,265
Unrealized Losses	$ (21,861)	$ (21,294)
Number of Securities | security	65	66
Held-to-maturity:
Estimated Fair Value	$ 0	$ 4,127
Unrealized Losses	0	(275)
Estimated Fair Value	3,633	401
Unrealized Losses	(260)	(15)
Estimated Fair Value	3,633	4,528
Gross Unrealized Losses	$ (260)	$ (290)
Number of Securities | security	5	5
Mortgage backed - commercial
Available-for-sale:
Estimated Fair Value	$ 4,721	$ 70,710
Unrealized Losses	(27)	(6,475)
Estimated Fair Value	114,625	46,626
Unrealized Losses	(14,340)	(7,186)
Estimated Fair Value	119,346	117,336
Unrealized Losses	$ (14,367)	$ (13,661)
Number of Securities | security	24	22
Other debt
Available-for-sale:
Estimated Fair Value	$ 0	$ 14,855
Unrealized Losses	0	(1,919)
Estimated Fair Value	15,556	0
Unrealized Losses	(1,236)	0
Estimated Fair Value	15,556	14,855
Unrealized Losses	$ (1,236)	$ (1,919)
Number of Securities | security	9	9

XML

Securities - Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized Cost
Due within 1 year	$ 23,215
Due after 1 year through 5 years	55,359
Due after 5 years through 10 years	152,454
Due after 10 years	345,827
Total available-for-sale	576,855	$ 598,073
Estimated Fair Value
Due within 1 year	22,802
Due after 1 year through 5 years	50,882
Due after 5 years through 10 years	138,464
Due after 10 years	304,609
Total available-for-sale	516,757	536,973
Amortized Cost
Due after 1 year through 5 years	988
Due after 5 years through 10 years	737
Due after 10 years	35,258
Total held-to-maturity	36,983	38,901
Estimated Fair Value
Due after 1 year through 5 years	963
Due after 5 years through 10 years	713
Due after 10 years	30,505
Total held-to-maturity	$ 32,181	$ 33,218

XML

Loans - Loans Held for Investment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	$ 6,267,096	$ 5,928,933
Allowance for credit losses	(80,398)	(65,917)	$ (47,547)	$ (47,766)
Loans, net of allowance for credit losses	6,186,698	5,845,915
Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		5,911,832
Allowance for credit losses		(65,917)
Loans, net of allowance for credit losses		5,845,915
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	2,467,688	3,025,074
Allowance for credit losses	(29,523)	(40,785)	(31,622)	(29,235)
Commercial and industrial | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		2,310,929
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	1,896,096	1,753,360
Allowance for credit losses	(27,546)	(19,754)	(13,198)	(14,033)
Commercial real estate | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		1,845,703
Commercial real estate | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	812,235
Commercial real estate | Non-owner occupied | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		779,546
Commercial real estate | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	635,365
Commercial real estate | Owner occupied | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		636,272
Commercial real estate | Construction and land
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	345,430
Commercial real estate | Construction and land | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		327,817
Commercial real estate | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	103,066
Commercial real estate | Multifamily | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		102,068
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	1,110,610	1,106,793
Allowance for credit losses	(16,345)	(2,963)	(836)	(1,435)
Residential real estate | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		1,003,931
Public finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	602,913
Allowance for credit losses	(5,337)	(1,664)	(1,544)	(2,604)
Public finance | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		590,284
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	36,371	43,706
Allowance for credit losses	(717)	(352)	(235)	(288)
Consumer | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		42,588
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	153,418
Allowance for credit losses	$ (930)	(399)	$ (112)	$ (171)
Other | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		$ 118,397

XML

Loans - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Deferred fees, costs, premiums and discounts on loan portfolio	$ 12,859,000	$ 17,101,000
Accrued interest receivable on loans	$ 34,879,000	$ 26,494,000
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable	Accrued interest receivable
Loans, allowance for credit losses	$ 80,398,000	$ 65,917,000	$ 47,547,000	$ 47,766,000
Provision for credit losses	18,247,000	18,050,000	3,000,000
Accounts receivable, allowance for credit loss		45,000
Commitment to lend additional funds	0
Financial Asset, Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, allowance for credit losses	29,523,000	40,785,000	31,622,000	$ 29,235,000
Commercial and industrial | Financial Asset, Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	$ 292,000
Number of loans modified in the last 12 months | loan	1
Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, allowance for credit losses	$ 2,309,000	1,313,000
Provision for credit losses	$ 1,212,000	$ 525,000	$ 300,000

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Loans - Allowance for Credit Losses by Portfolio Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for loan losses
Balance, beginning of period	$ 65,917	$ 47,547	$ 47,766
Provision for (benefit from) credit losses	17,035	18,050	3,000
Loans charged-off	(9,672)	(2,587)	(4,861)
Recoveries	1,862	2,907	1,642
Balance, end of period	80,398	65,917	47,547
Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	5,256
Balance, end of period		5,256
Commercial and Industrial
Allowance for loan losses
Balance, beginning of period	40,785	31,622	29,235
Provision for (benefit from) credit losses	10,445	9,248	5,136
Loans charged-off	(9,242)	(2,321)	(4,296)
Recoveries	1,118	2,236	1,547
Balance, end of period	29,523	40,785	31,622
Commercial and Industrial | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	(13,583)
Balance, end of period		(13,583)
Commercial Real Estate
Allowance for loan losses
Balance, beginning of period	19,754	13,198	14,033
Provision for (benefit from) credit losses	3,996	6,168	(488)
Loans charged-off	(83)	0	(375)
Recoveries	12	388	28
Balance, end of period	27,546	19,754	13,198
Commercial Real Estate | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	3,867
Balance, end of period		3,867
Residential real estate
Allowance for loan losses
Balance, beginning of period	2,963	836	1,435
Provision for (benefit from) credit losses	2,457	2,028	(581)
Loans charged-off	(13)	(122)	(42)
Recoveries	682	221	24
Balance, end of period	16,345	2,963	836
Residential real estate | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	10,256
Balance, end of period		10,256
Public finance
Allowance for loan losses
Balance, beginning of period	1,664	1,544	2,604
Provision for (benefit from) credit losses	(217)	120	(1,060)
Loans charged-off	0	0	0
Recoveries	0	0	0
Balance, end of period	5,337	1,664	1,544
Public finance | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	3,890
Balance, end of period		3,890
Consumer
Allowance for loan losses
Balance, beginning of period	352	235	288
Provision for (benefit from) credit losses	400	199	52
Loans charged-off	(334)	(144)	(148)
Recoveries	50	62	43
Balance, end of period	717	352	235
Consumer | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	249
Balance, end of period		249
Other
Allowance for loan losses
Balance, beginning of period	399	112	171
Provision for (benefit from) credit losses	(46)	287	(59)
Loans charged-off	0	0	0
Recoveries	0	0	0
Balance, end of period	930	399	$ 112
Other | Impact of adopting ASC 326
Allowance for loan losses
Balance, beginning of period	$ 577
Balance, end of period		$ 577

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Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	$ 25,816	$ 98
Nonaccrual	37,327	28,969
Total loans	6,267,096	5,928,933
Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		5,911,832
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	25,010	0
Nonaccrual	8,004	9,494
Total loans	2,467,688	3,025,074
Commercial and industrial | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		2,310,929
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	638	0
Nonaccrual	4,063	8,283
Total loans	1,896,096	1,753,360
Commercial real estate | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		1,845,703
Commercial real estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	3,844	2,148
Total loans	812,235
Commercial real estate | Non-owner occupied | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		779,546
Commercial real estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	638	0
Nonaccrual	34	5,937
Total loans	635,365
Commercial real estate | Owner occupied | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		636,272
Commercial real estate | Construction and land
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	185	198
Total loans	345,430
Commercial real estate | Construction and land | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		327,817
Commercial real estate | Multifamily
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	0	0
Total loans	103,066
Commercial real estate | Multifamily | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		102,068
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	168	98
Nonaccrual	22,413	10,628
Total loans	1,110,610	1,106,793
Residential real estate | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		1,003,931
Public finance
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	0	0
Total loans	602,913
Public finance | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		590,284
Consumer
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	10	93
Total loans	36,371	43,706
Consumer | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		42,588
Other
Financing Receivable, Past Due [Line Items]
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	2,837	471
Total loans	153,418
Other | Adjusted beginning balance
Financing Receivable, Past Due [Line Items]
Total loans		118,397
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	6,138,489	5,853,634
Loans Not Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	2,420,775	2,298,207
Loans Not Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,871,212	1,830,333
Loans Not Past Due | Commercial real estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	796,477	773,042
Loans Not Past Due | Commercial real estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	626,424	630,335
Loans Not Past Due | Commercial real estate | Construction and land
Financing Receivable, Past Due [Line Items]
Total loans	345,245	324,888
Loans Not Past Due | Commercial real estate | Multifamily
Financing Receivable, Past Due [Line Items]
Total loans	103,066	102,068
Loans Not Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,065,438	974,450
Loans Not Past Due | Public finance
Financing Receivable, Past Due [Line Items]
Total loans	602,913	590,284
Loans Not Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	36,357	42,434
Loans Not Past Due | Other
Financing Receivable, Past Due [Line Items]
Total loans	141,794	117,926
Loans 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	47,501	26,686
Loans 30-59 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	10,117	2,409
Loans 30-59 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	9,332	6,988
Loans 30-59 Days Past Due | Commercial real estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	1,063	4,356
Loans 30-59 Days Past Due | Commercial real estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	8,269	0
Loans 30-59 Days Past Due | Commercial real estate | Construction and land
Financing Receivable, Past Due [Line Items]
Total loans	0	2,632
Loans 30-59 Days Past Due | Commercial real estate | Multifamily
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 30-59 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	19,261	17,231
Loans 30-59 Days Past Due | Public finance
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 30-59 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	4	58
Loans 30-59 Days Past Due | Other
Financing Receivable, Past Due [Line Items]
Total loans	8,787	0
Loans 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	17,963	2,445
Loans 60-89 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	3,782	819
Loans 60-89 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	10,851	99
Loans 60-89 Days Past Due | Commercial real estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	10,851	0
Loans 60-89 Days Past Due | Commercial real estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 60-89 Days Past Due | Commercial real estate | Construction and land
Financing Receivable, Past Due [Line Items]
Total loans	0	99
Loans 60-89 Days Past Due | Commercial real estate | Multifamily
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 60-89 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	3,330	1,524
Loans 60-89 Days Past Due | Public finance
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 60-89 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	0	3
Loans 60-89 Days Past Due | Other
Financing Receivable, Past Due [Line Items]
Total loans	$ 0	$ 0

XML

Loans - Amortized Costs by Segment of Loans by Risk Category and Origination Date (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	$ 789,416
2022	1,491,778
2021	919,579
2020	679,091
2019	459,658
Prior	722,594
Revolving Loans Converted to Term	101,212
Revolving	1,103,768
Total	6,267,096	$ 5,928,933
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	2,797
2020	3,117
2019	111
Prior	483
Revolving Loans Converted to Term	2,995
Revolving	169
Total	9,672	2,587	$ 4,861
Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	772,846
2022	1,425,245
2021	832,155
2020	627,418
2019	425,971
Prior	643,406
Revolving Loans Converted to Term	89,633
Revolving	997,236
Total	5,813,910	5,824,901
Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	4,807
2022	4,679
2021	39,338
2020	30,567
2019	11,255
Prior	34,416
Revolving Loans Converted to Term	2,727
Revolving	95,612
Total	223,401
Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	6,476
2022	47,564
2021	9,392
2020	4,872
2019	3,310
Prior	5,030
Revolving Loans Converted to Term	4,916
Revolving	6,729
Total	88,289
Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	5,287
2022	7,582
2021	34,829
2020	9,223
2019	11,065
Prior	29,200
Revolving Loans Converted to Term	3,074
Revolving	3,909
Total	104,169
Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	6,708
2021	3,865
2020	6,521
2019	7,510
Prior	10,509
Revolving Loans Converted to Term	558
Revolving	282
Total	35,953
Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	490
2019	547
Prior	33
Revolving Loans Converted to Term	304
Revolving	0
Total	1,374
Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	395,523
2022	482,879
2021	397,794
2020	159,440
2019	46,924
Prior	47,083
Revolving Loans Converted to Term	47,149
Revolving	890,896
Total	2,467,688	3,025,074
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	2,786
2020	3,096
2019	0
Prior	368
Revolving Loans Converted to Term	2,992
Revolving	0
Total	9,242	2,321	4,296
Commercial and industrial | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	384,720
2022	432,903
2021	342,394
2020	143,636
2019	41,667
Prior	39,972
Revolving Loans Converted to Term	39,098
Revolving	786,059
Total	2,210,449	2,969,786
Commercial and industrial | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	4,052
2022	2,543
2021	18,832
2020	4,595
2019	1,603
Prior	2,441
Revolving Loans Converted to Term	1,273
Revolving	93,951
Total	129,290
Commercial and industrial | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	3,759
2022	47,071
2021	2,253
2020	2,281
2019	659
Prior	731
Revolving Loans Converted to Term	3,334
Revolving	6,729
Total	66,817
Commercial and industrial | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,992
2022	362
2021	33,625
2020	4,316
2019	1,338
Prior	3,542
Revolving Loans Converted to Term	3,044
Revolving	3,909
Total	53,128
Commercial and industrial | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	690
2020	4,122
2019	1,110
Prior	364
Revolving Loans Converted to Term	96
Revolving	248
Total	6,630
Commercial and industrial | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	490
2019	547
Prior	33
Revolving Loans Converted to Term	304
Revolving	0
Total	1,374
Commercial real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	194,215
2022	414,149
2021	332,375
2020	293,895
2019	154,738
Prior	373,521
Revolving Loans Converted to Term	46,676
Revolving	86,527
Total	1,896,096	1,753,360
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	83
Revolving Loans Converted to Term	0
Revolving	0
Total	83	0	375
Commercial real estate | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	188,603
2022	408,733
2021	311,009
2020	260,346
2019	140,844
Prior	314,110
Revolving Loans Converted to Term	43,817
Revolving	84,912
Total	1,752,374	1,715,415
Commercial real estate | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	600
2022	902
2021	13,036
2020	25,873
2019	9,238
Prior	27,155
Revolving Loans Converted to Term	1,277
Revolving	1,615
Total	79,696
Commercial real estate | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,717
2022	493
2021	7,126
2020	2,584
2019	2,397
Prior	2,834
Revolving Loans Converted to Term	1,582
Revolving	0
Total	19,733
Commercial real estate | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,295
2022	4,021
2021	1,204
2020	4,907
2019	2,259
Prior	25,544
Revolving Loans Converted to Term	0
Revolving	0
Total	40,230
Commercial real estate | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	185
2019	0
Prior	3,878
Revolving Loans Converted to Term	0
Revolving	0
Total	4,063
Commercial real estate | Non-owner occupied
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	58,298
2022	120,723
2021	136,361
2020	122,073
2019	66,877
Prior	214,466
Revolving Loans Converted to Term	22,115
Revolving	71,322
Total	812,235
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	0
Commercial real estate | Non-owner occupied | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	55,581
2022	117,162
2021	136,361
2020	116,402
2019	60,535
Prior	176,308
Revolving Loans Converted to Term	19,256
Revolving	71,322
Total	752,927
Commercial real estate | Non-owner occupied | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	3,791
2019	6,342
Prior	24,620
Revolving Loans Converted to Term	1,277
Revolving	0
Total	36,030
Commercial real estate | Non-owner occupied | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,717
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	1,582
Revolving	0
Total	4,299
Commercial real estate | Non-owner occupied | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	3,561
2021	0
2020	1,880
2019	0
Prior	9,694
Revolving Loans Converted to Term	0
Revolving	0
Total	15,135
Commercial real estate | Non-owner occupied | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	3,844
Revolving Loans Converted to Term	0
Revolving	0
Total	3,844
Commercial real estate | Owner occupied
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	90,062
2022	85,163
2021	112,884
2020	121,759
2019	70,381
Prior	144,437
Revolving Loans Converted to Term	2,961
Revolving	7,718
Total	635,365
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	83
Revolving Loans Converted to Term	0
Revolving	0
Total	83
Commercial real estate | Owner occupied | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	87,167
2022	83,308
2021	105,935
2020	102,885
2019	64,134
Prior	123,199
Revolving Loans Converted to Term	2,961
Revolving	6,103
Total	575,692
Commercial real estate | Owner occupied | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	600
2022	902
2021	0
2020	15,541
2019	2,896
Prior	2,520
Revolving Loans Converted to Term	0
Revolving	1,615
Total	24,074
Commercial real estate | Owner occupied | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	493
2021	5,745
2020	306
2019	1,092
Prior	2,834
Revolving Loans Converted to Term	0
Revolving	0
Total	10,470
Commercial real estate | Owner occupied | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,295
2022	460
2021	1,204
2020	3,027
2019	2,259
Prior	15,850
Revolving Loans Converted to Term	0
Revolving	0
Total	25,095
Commercial real estate | Owner occupied | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	34
Revolving Loans Converted to Term	0
Revolving	0
Total	34
Commercial real estate | Construction and land
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	44,496
2022	171,411
2021	46,593
2020	37,225
2019	13,459
Prior	8,733
Revolving Loans Converted to Term	21,600
Revolving	1,913
Total	345,430
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	0
Commercial real estate | Construction and land | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	44,496
2022	171,411
2021	32,176
2020	28,221
2019	13,459
Prior	8,718
Revolving Loans Converted to Term	21,600
Revolving	1,913
Total	321,994
Commercial real estate | Construction and land | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	13,036
2020	6,541
2019	0
Prior	15
Revolving Loans Converted to Term	0
Revolving	0
Total	19,592
Commercial real estate | Construction and land | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	1,381
2020	2,278
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	3,659
Commercial real estate | Construction and land | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	185
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	185
Commercial real estate | Multifamily
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,359
2022	36,852
2021	36,537
2020	12,838
2019	4,021
Prior	5,885
Revolving Loans Converted to Term	0
Revolving	5,574
Total	103,066
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	0
Commercial real estate | Multifamily | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,359
2022	36,852
2021	36,537
2020	12,838
2019	2,716
Prior	5,885
Revolving Loans Converted to Term	0
Revolving	5,574
Total	101,761
Commercial real estate | Multifamily | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	1,305
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	1,305
Residential real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	153,482
2022	584,708
2021	119,892
2020	40,523
2019	42,653
Prior	153,729
Revolving Loans Converted to Term	2,049
Revolving	13,574
Total	1,110,610	1,106,793
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	13
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	13	122	42
Residential real estate | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	153,327
2022	573,624
2021	116,695
2020	38,309
2019	38,121
Prior	141,216
Revolving Loans Converted to Term	1,857
Revolving	13,540
Total	1,076,689	1,096,108
Residential real estate | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	155
2022	1,181
2021	28
2020	0
2019	269
Prior	4,667
Revolving Loans Converted to Term	176
Revolving	0
Total	6,476
Residential real estate | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	254
Prior	1,465
Revolving Loans Converted to Term	0
Revolving	0
Total	1,719
Residential real estate | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	3,199
2021	0
2020	0
2019	0
Prior	114
Revolving Loans Converted to Term	0
Revolving	0
Total	3,313
Residential real estate | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	6,704
2021	3,169
2020	2,214
2019	4,009
Prior	6,267
Revolving Loans Converted to Term	16
Revolving	34
Total	22,413
Public finance
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	37,074
2022	0
2021	43,512
2020	174,907
2019	209,043
Prior	135,326
Revolving Loans Converted to Term	0
Revolving	3,051
Total	602,913
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	0	0	0
Public finance | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	37,074
2022	0
2021	43,512
2020	174,907
2019	201,575
Prior	135,326
Revolving Loans Converted to Term	0
Revolving	3,051
Total	595,445
Public finance | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	7,468
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	7,468
Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	3,232
2022	2,240
2021	5,474
2020	9,520
2019	3,627
Prior	2,708
Revolving Loans Converted to Term	33
Revolving	9,537
Total	36,371	43,706
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	11
2020	8
2019	111
Prior	32
Revolving Loans Converted to Term	3
Revolving	169
Total	334	144	148
Consumer | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	3,232
2022	2,183
2021	5,347
2020	9,414
2019	3,482
Prior	2,555
Revolving Loans Converted to Term	2
Revolving	9,491
Total	35,706	43,592
Consumer | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	53
2021	108
2020	99
2019	145
Prior	153
Revolving Loans Converted to Term	1
Revolving	46
Total	605
Consumer | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	13
2020	7
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	20
Consumer | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	30
Revolving	0
Total	30
Consumer | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	4
2021	6
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	10
Other
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	5,890
2022	7,802
2021	20,532
2020	806
2019	2,673
Prior	10,227
Revolving Loans Converted to Term	5,305
Revolving	100,183
Total	153,418
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	0	$ 0	$ 0
Other | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	5,890
2022	7,802
2021	13,198
2020	806
2019	282
Prior	10,227
Revolving Loans Converted to Term	4,859
Revolving	100,183
Total	143,247
Other | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	7,334
2020	0
2019	0
Prior	0
Revolving Loans Converted to Term	0
Revolving	0
Total	7,334
Other | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	2,391
Prior	0
Revolving Loans Converted to Term	446
Revolving	0
Total	$ 2,837

XML

Loans - Credit Risk Profile Of Loan Portfolio Prior to Adoption of ASU 2016-13 (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 6,267,096	$ 5,928,933
Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,813,910	5,824,901
Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		104,032
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,467,688	3,025,074
Commercial and industrial | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,210,449	2,969,786
Commercial and industrial | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		55,288
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,896,096	1,753,360
Commercial real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,752,374	1,715,415
Commercial real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		37,945
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,110,610	1,106,793
Residential real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,076,689	1,096,108
Residential real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		10,685
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	36,371	43,706
Consumer | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 35,706	43,592
Consumer | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 114

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Loans - Collateral Dependent Loans, Individually Evaluated for Allowance for Credit Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	$ 6,267,096	$ 5,928,933
Total collateral dependent loans, related allowance	80,398	65,917	$ 47,547	$ 47,766
Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	9,036	8,053
Collateral dependent loans with allowance, related allowance	2,543	1,412
Collateral dependent loans with no related allowance, amortized cost	28,291	20,905
Total collateral dependent loans, amortized cost	37,327	28,958
Total collateral dependent loans, related allowance	2,543	1,412
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	2,467,688	3,025,074
Total collateral dependent loans, related allowance	29,523	40,785	31,622	29,235
Commercial and industrial | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	5,084	6,330
Collateral dependent loans with allowance, related allowance	2,328	1,101
Collateral dependent loans with no related allowance, amortized cost	2,920	3,164
Total collateral dependent loans, amortized cost	8,004	9,494
Total collateral dependent loans, related allowance	2,328	1,101
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	1,896,096	1,753,360
Total collateral dependent loans, related allowance	27,546	19,754	13,198	14,033
Commercial real estate | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	0	796
Collateral dependent loans with allowance, related allowance	0	189
Collateral dependent loans with no related allowance, amortized cost	4,063	7,487
Total collateral dependent loans, amortized cost	4,063	8,283
Total collateral dependent loans, related allowance	0	189
Commercial real estate | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	812,235
Commercial real estate | Non-owner occupied | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	0	115
Collateral dependent loans with allowance, related allowance	0	36
Collateral dependent loans with no related allowance, amortized cost	3,844	2,033
Total collateral dependent loans, amortized cost	3,844	2,148
Total collateral dependent loans, related allowance	0	36
Commercial real estate | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	635,365
Commercial real estate | Owner occupied | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	0	681
Collateral dependent loans with allowance, related allowance	0	153
Collateral dependent loans with no related allowance, amortized cost	34	5,256
Total collateral dependent loans, amortized cost	34	5,937
Total collateral dependent loans, related allowance	0	153
Commercial real estate | Construction and land
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	345,430
Commercial real estate | Construction and land | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	0	0
Collateral dependent loans with allowance, related allowance	0	0
Collateral dependent loans with no related allowance, amortized cost	185	198
Total collateral dependent loans, amortized cost	185	198
Total collateral dependent loans, related allowance	0	0
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	1,110,610	1,106,793
Total collateral dependent loans, related allowance	16,345	2,963	836	1,435
Residential real estate | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	1,551	836
Collateral dependent loans with allowance, related allowance	103	34
Collateral dependent loans with no related allowance, amortized cost	20,862	9,779
Total collateral dependent loans, amortized cost	22,413	10,615
Total collateral dependent loans, related allowance	103	34
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	36,371	43,706
Total collateral dependent loans, related allowance	717	352	235	288
Consumer | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	10	91
Collateral dependent loans with allowance, related allowance	10	88
Collateral dependent loans with no related allowance, amortized cost	0	0
Total collateral dependent loans, amortized cost	10	91
Total collateral dependent loans, related allowance	10	88
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans, amortized cost	153,418
Total collateral dependent loans, related allowance	930	399	$ 112	$ 171
Other | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral dependent loans with allowance, amortized allowance	2,391	0
Collateral dependent loans with allowance, related allowance	102	0
Collateral dependent loans with no related allowance, amortized cost	446	475
Total collateral dependent loans, amortized cost	2,837	475
Total collateral dependent loans, related allowance	$ 102	$ 0

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Loans - Schedule of Loan Modifications (Details)	12 Months Ended
	Dec. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.20%
Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	$ 0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Commercial and industrial | Financial Asset, Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	$ 292,000
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.20%
Commercial real estate | Non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Commercial real estate | Owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.20%
Commercial real estate | Construction and land
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Commercial real estate | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Public finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Total Class of Loans	0.00%
Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	$ 292,000
Payment Delay | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	292,000
Payment Delay | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Commercial real estate | Non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Commercial real estate | Owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Commercial real estate | Construction and land
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Commercial real estate | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Public finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Payment Delay | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	1,145,000
Interest Rate Reduction | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	1,145,000
Interest Rate Reduction | Commercial real estate | Non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Commercial real estate | Owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	1,145,000
Interest Rate Reduction | Commercial real estate | Construction and land
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Commercial real estate | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Public finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	0
Interest Rate Reduction | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans	$ 0

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Mortgage Servicing Rights - Unpaid Principal Loan Balance of Servicing Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	$ 5,416,459	$ 5,177,404
Federal National Mortgage Association
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	2,478,732	2,517,434
Federal Home Loan Mortgage Corporation
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	1,736,329	1,630,403
Government National Mortgage Association
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	1,094,438	916,455
Federal Home Loan Bank
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	105,702	111,699
Other
Financing Receivable, Unpaid Principal Balance Of Servicing Portfolio [Line Items]
Total	$ 1,258	$ 1,413

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Mortgage Servicing Rights - Mortgage Servicing Rights at Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance, beginning of period	$ 74,097	$ 47,392	$ 29,144
Servicing resulting from transfers of financial assets	9,253	14,287	23,854
Changes in fair value:
Due to changes in valuation inputs or assumptions used in the valuation model	30	20,350	6,093
Changes in fair value due to pay-offs, pay-downs, and runoff	(6,679)	(7,932)	(11,699)
Balance, end of period	$ 76,701	$ 74,097	$ 47,392

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Mortgage Servicing Rights - Weighted-Average Key Assumptions to Estimate Fair Value of Mortgage Servicing Rights (Details) - uSDPerLoan	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Transfers and Servicing [Abstract]
Discount rate	10.06%	9.85%	9.22%
Total prepayment speeds	7.79%	7.40%	11.52%
Cost of servicing each loan	90	88	85

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Mortgage Servicing Rights - Schedule of Servicing and Ancillary Fees from Mortgage Servicing Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Transfers and Servicing [Abstract]
Servicing fees	$ 14,913	$ 14,675	$ 12,092
Late and ancillary fees	761	413	433
Total	$ 15,674	$ 15,088	$ 12,525

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Premises and Equipment - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 137,453	$ 134,181
Less: Accumulated depreciation and amortization	(52,611)	(46,067)
Premises and equipment, net	84,842	88,114
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	18,903	18,903
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	80,948	80,565
Equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	27,080	25,987
Automobiles
Property, Plant and Equipment [Line Items]
Premises and equipment	223	166
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	9,092	7,200
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 1,207	$ 1,360
Minimum
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	1 year
Minimum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	5 years
Minimum | Equipment
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	3 years
Minimum | Automobiles
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	5 years
Minimum | Software
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	1 year
Maximum
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	39 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	39 years
Maximum | Equipment
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	10 years
Maximum | Software
Property, Plant and Equipment [Line Items]
Promises and equipment, useful lives	7 years

XML

Premises and Equipment - Depreciation and Amortization Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 6,553	$ 7,118	$ 6,118
Software amortization expense	867	835	1,063
Total depreciation and amortization expense	$ 7,420	$ 7,953	$ 7,181

XML

Core Deposits and Other Intangible Assets - Activity of Core Deposits and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Assets
Amortization	$ (4,822)	$ (4,215)	$ (1,417)
Balance, end of year	9,184
Total
Balance, beginning of year	15,806	8,250	9,667
Additions		11,771
Amortization	(4,822)	(4,215)	(1,417)
Balance, ending of year	10,984	15,806	8,250
Core Deposits Intangibles
Finite Lived Assets
Balance, beginning of year	13,159	4,999	6,211
Additions		11,327
Amortization	(4,538)	(3,167)	(1,212)
Balance, end of year	8,621	13,159	4,999
Total
Amortization	(4,538)	(3,167)	(1,212)
Customer Relationships
Finite Lived Assets
Balance, beginning of year	748	1,451	1,656
Additions		0
Amortization	(185)	(703)	(205)
Balance, end of year	563	748	1,451
Total
Amortization	(185)	(703)	(205)
Non-compete Agreements
Finite Lived Assets
Balance, beginning of year	99	0	0
Additions		444
Amortization	(99)	(345)	0
Balance, end of year	0	99	0
Total
Amortization	(99)	(345)	0
Tradenames
Indefinite-Lived Assets
Balance, beginning of year	1,800	1,800	1,800
Additions		0
Balance, end of year	$ 1,800	$ 1,800	$ 1,800

XML

Core Deposits and Other Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Impairment of core deposits and other intangible assets	$ 0	$ 0	$ 0

XML

Core Deposits and Other Intangible Assets - Future Amortization Expense (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
2024	$ 2,605
2025	2,312
2026	2,006
2027	1,142
2028	920
Thereafter	199
Total future amortization	$ 9,184

XML

Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Fair value of derivatives in a net liability position	$ 20,508	$ 24,677
Posted collateral aggregate fair value	$ 9,040	$ 8,790
Hedged Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other assets	Prepaid expenses and other assets
Derivative financial instruments not designated as hedging instruments:
Derivative [Line Items]
Fee income	$ 1,451	$ 2,152	$ 2,309
Loans Receivable
Derivative [Line Items]
Carrying amount of hedged loans receivable	184,829	181,377
Amount of Cumulative income (loss) in fair value hedging adjustment	(9,567)	(12,752)
Available-for-sale securities
Derivative [Line Items]
Amount of Cumulative income (loss) in fair value hedging adjustment	$ 3,168	$ 2,879

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Derivative Financial Instruments - The Components Of Derivative Financial Instruments (Details) $ in Thousands	Dec. 31, 2023 USD ($) transaction	Dec. 31, 2022 USD ($) transaction
Assets
Estimated Fair Value	$ 35,080	$ 40,287
Liabilities:
Estimated Fair Value	20,505	24,527
Interest Rate Products
Assets
Outstanding Notional	41,404
Estimated Fair Value	$ 252
Liabilities:
Outstanding Notional		52,533
Estimated Fair Value		$ 60
Interest Rate Products | Derivative financial instruments designated as hedging instruments:
Assets
Number of Transactions | transaction	32	32
Outstanding Notional	$ 195,935	$ 201,906
Estimated Fair Value	$ 12,737	$ 15,636
Interest Rate Products | Derivative financial instruments not designated as hedging instruments:
Assets
Number of Transactions | transaction	49	41
Outstanding Notional	$ 396,111	$ 338,770
Estimated Fair Value	$ 19,931	$ 24,615
Liabilities:
Number of Transactions | transaction	49	41
Outstanding Notional	$ 396,111	$ 338,770
Estimated Fair Value	$ 19,869	$ 24,242
Other | Derivative financial instruments not designated as hedging instruments:
Assets
Number of Transactions | transaction	1	1
Outstanding Notional	$ 14,638	$ 14,638
Estimated Fair Value	$ 7	0
Liabilities:
Number of Transactions | transaction	2
Outstanding Notional	$ 6,168
Estimated Fair Value	30
Futures
Assets
Outstanding Notional	28,700	85,000
Estimated Fair Value	2,153	36
Forward MBS trades
Liabilities:
Outstanding Notional	77,000	21,800
Estimated Fair Value	$ 606	$ 225

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Derivative Financial Instruments - Gains And Losses On Banking Derivatives Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Recorded gain (loss) on banking derivative assets
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	$ 4,482	$ 28,783	$ (777)
Recorded (loss) gain on banking derivative liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	(4,820)	(27,973)	1,172
Recorded (loss) gain on mortgage banking derivative assets
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	(857)	233	(9,655)
Recorded (loss) gain on mortgage banking derivative liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	$ (642)	$ (15,863)	$ 246

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Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Derivative financial instruments	$ 35,080	$ 40,287
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total prepaid expenses and other assets	Total prepaid expenses and other assets
Right-of-use asset on leased property	$ 24,227	$ 28,404
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430	12,224
Fiserv ATM compensating balance	11,308	9,865
Prepaid expenses	7,617	7,691
CRA investments	4,370	2,357
Federal and state tax receivables, net	3,640	1,101
Artwork	944	944
SBA servicing rights	163	236
Other	23,542	21,681
Total prepaid expenses and other assets	$ 134,321	$ 124,790

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Deposits - Composition of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statistical Disclosure for Banks [Abstract]
Noninterest-bearing demand deposit accounts	$ 1,530,506	$ 1,820,490
Interest-bearing deposit accounts:
Interest-bearing demand accounts	534,540	212,357
Savings accounts and money market accounts	2,446,632	2,759,969
NOW accounts	56,819	50,224
Certificate of deposit accounts:
Less than $100	714,171	241,322
$100 through $250	569,696	270,790
Greater than $250	521,739	409,910
Total interest-bearing deposit accounts	4,843,597	3,944,572
Total deposits	$ 6,374,103	$ 5,765,062

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Deposits - Interest Expense Incurred on Deposits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest-bearing deposit accounts:
Interest-bearing demand accounts	$ 11,235	$ 1,637	$ 379
Savings accounts and money market accounts	30,977	7,569	4,752
NOW accounts	339	138	377
Certificate of deposit accounts	58,804	3,810	3,036
Total interest-bearing deposit accounts	$ 101,355	$ 13,154	$ 8,544

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Deposits - Remaining Maturity on Certificate of Deposit Accounts (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Maturities of Time Deposits [Abstract]
2024	$ 1,667,847
2025	118,408
2026	9,440
2027	3,926
2028	3,153
Thereafter	2,832
Total certificate of deposit accounts	$ 1,805,606

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Securities Sold Under Agreements to Repurchase (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned [Abstract]
Amount outstanding at period-end	$ 24,693	$ 36,721
Average daily balance during the period	$ 28,316	$ 54,335
Average interest rate during the period	0.84%	0.27%
Maximum month-end balance during the period	$ 40,432	$ 70,838
Weighted average interest rate at period-end	0.91%	0.42%
Securities sold under agreements to repurchase, pledged securities	$ 30,810	$ 48,931

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Debt - FHLB Advances and Other Borrowings Outstanding (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Short-term Debt [Line Items]
Amount	$ 389,468	$ 643,885
Variable rate line-of-credit advance | Federal Home Loan Bank stock
Short-term Debt [Line Items]
Amount	$ 389,468	$ 643,885
Rate	5.55%	4.48%

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Debt - Narrative (Details)		3 Months Ended	12 Months Ended
	Jan. 13, 2022 USD ($)	Aug. 31, 2020 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 31, 2023 USD ($)
Debt Conversion [Line Items]
Loans pledged to the FHLB			$ 1,674,096,000	$ 1,630,939,000
Total borrowing capacity with the FHLB			1,192,022,000	1,139,356,000
Additional borrowing availability with the FHLB			706,367,000
Convertible notes payable, net			0	5,355,000
Amortization of issuance costs on subordinated debt			147,000	$ 145,000	$ 93,000
Trust preferred securities, aggregate liquidation valuation amount			419,000
Trust Preferred Securities | New Mexico Banquest Capital Trust I (NMBCT I)
Debt Conversion [Line Items]
Debt instrument, face amount			9,279,000
Trust Preferred Securities | New Mexico Banquest Capital Trust II (NMBCT II)
Debt Conversion [Line Items]
Debt instrument, face amount			$ 4,640,000
LIBOR | Trust Preferred Securities | New Mexico Banquest Capital Trust I (NMBCT I)
Debt Conversion [Line Items]
Interest rate margin on variable rate basis			3.35%
Rate			8.94%	7.02%
LIBOR | Trust Preferred Securities | New Mexico Banquest Capital Trust II (NMBCT II)
Debt Conversion [Line Items]
Interest rate margin on variable rate basis			2.00%
Rate			7.64%	6.69%
Convertible Notes Payable | Convertible Debt
Debt Conversion [Line Items]
Convertible notes payable, net				$ 5,456,000		$ 5,456,000
Debt instrument, interest rate						3.29%
Convertible debt, conversion ratio			0.0156717
Amortization of debt discount			$ 101,000	1,131,000	746,000
Subordinated Notes Due July 1, 2030 | Subordinated Debt
Debt Conversion [Line Items]
Debt instrument, face amount		$ 40,000,000
Debt instrument, interest rate		6.00%
Debt, non-redeemable period		5 years
Costs related to the issuance of the subordinated notes		$ 933,000	608,000
Amortization of issuance costs on subordinated debt			93,000	94,000	93,000
Subordinated Notes Due July 1, 2030 | Subordinated Debt | SOFR
Debt Conversion [Line Items]
Interest rate margin on variable rate basis		5.89%
Subordinated Notes Due January 15, 2032 | Subordinated Debt
Debt Conversion [Line Items]
Debt instrument, face amount	$ 25,000,000
Debt instrument, interest rate	3.375%
Debt, non-redeemable period	5 years
Costs related to the issuance of the subordinated notes	$ 534,000		429,000
Amortization of issuance costs on subordinated debt			54,000	51,000
Subordinated Notes Due January 15, 2032 | Subordinated Debt | SOFR
Debt Conversion [Line Items]
Interest rate margin on variable rate basis	2.03%
Subordinated Debt related to Trust Preferred Securities | Subordinated Debt
Debt Conversion [Line Items]
Debt instrument, face amount			13,919,000
Debt discount on the convertible notes			4,293,000
Amortization of debt discount			286,000	$ 254,000	$ 256,000
Costs related to the issuance of the subordinated notes			2,570,000
Line of Credit | Other Financial Institutions
Debt Conversion [Line Items]
Line of credit facility, maximum borrowing capacity			110,000,000
Line of credit outstanding			0
Line of Credit | Federal Reserve Bank stock
Debt Conversion [Line Items]
Line of credit facility, maximum borrowing capacity			$ 2,028,410,000

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Debt - Future Amortization Of Debt Issuance Costs (Details) - Subordinated Debt - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 13, 2022	Aug. 31, 2020
Subordinated Notes Due July 1, 2030
Short-term Debt [Line Items]
2024	$ 93
2025	93
2026	93
2027	93
2028	93
Thereafter	143
Total future amortization	608		$ 933
Subordinated Notes Due January 15, 2032
Short-term Debt [Line Items]
2024	53
2025	53
2026	53
2027	53
2028	53
Thereafter	164
Total future amortization	429	$ 534
Subordinated Debt related to Trust Preferred Securities
Short-term Debt [Line Items]
Total future amortization	$ 2,570

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Debt - Future Accretion Of The Valuation Discount (Details) - Subordinated Debt related to Trust Preferred Securities - Subordinated Debt $ in Thousands	Dec. 31, 2023 USD ($)
Short-term Debt [Line Items]
2024	$ 382
2025	271
2026	241
2027	246
2028	241
Thereafter	1,189
Total future amortization	$ 2,570

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Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Lease liability	$ 26,431	$ 31,267
Salary and employee benefits	30,549	29,834
Derivative financial instruments	20,505	24,527
Loans subject to unilateral repurchase rights - Ginnie Mae	23,430	12,224
FRB courtesy inclearings	6,139	6,821
Professional fees	1,607	1,757
Property taxes payable	1,260	886
MPF servicing principal and interest payable	522	885
Other	14,927	15,884
Total accrued expenses and other liabilities	$ 125,370	$ 124,085
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total accrued expenses and other liabilities	Total accrued expenses and other liabilities

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Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income applicable to common stockholders, basic	$ 103,533	$ 59,182	$ 43,164
Net income applicable to common stockholders, diluted	$ 103,533	$ 59,182	$ 43,164
Weighted Average Shares
Weighted average common shares outstanding (in shares)	24,938,359	23,245,598	18,321,794
Effect of dilutive securities
Stock-based awards (in shares)	448,837	592,873	448,991
Weighted average diluted common shares (in shares)	25,387,196	23,838,471	18,770,785
Earnings per common share
Basic earnings per common share (in dollars per share)	$ 4.15	$ 2.55	$ 2.36
Effect of dilutive securities
Stock-based awards (in dollars per share)	(0.07)	(0.07)	(0.06)
Diluted earnings per common share (in dollars per share)	$ 4.08	$ 2.48	$ 2.30

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Earnings Per Share - Narrative (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of diluted earnings per share (in shares)	0
Convertible notes payable
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of diluted earnings per share (in shares)		85,500	323,984
Stock-based awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of diluted earnings per share (in shares)		1,699

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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	$ 774,536	$ 524,038	$ 485,787
Income tax effect	976	(45,647)	(7,455)
Other comprehensive loss, net of tax	976	(45,647)	(7,455)
Balance, ending of period	877,197	774,536	524,038
Securities available-for-sale:
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(46,157)	1,664	9,119
Unrealized (loss) gain	1,002	(63,302)	(9,870)
Income tax effect	(244)	15,481	2,415
Net unrealized loss	758	(47,821)	(7,455)
Reclassifications out of AOCI	0	0	0
Other comprehensive loss, net of tax	758	(47,821)	(7,455)
Balance, ending of period	(45,399)	(46,157)	1,664
Fair value hedges of securities available-for-sale:
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	2,174	0	0
Unrealized (loss) gain	289	2,879	0
Income tax effect	(71)	(705)	0
Other comprehensive loss, net of tax	218	2,174	0
Balance, ending of period	$ 2,392	$ 2,174	$ 0

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Stockholders' Equity - Narrative (Details)	1 Months Ended		12 Months Ended
	May 31, 2023 shares	May 31, 2022 shares	Dec. 31, 2023 USD ($) company $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)			10,000,000	10,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.0001	$ 0.0001
Preferred stock, shares outstanding (in shares)			0	0
Preferred stock, shares issued (in shares)			0	0
Common stock, shares authorized (in shares)			50,000,000	50,000,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)			24,960,639	24,920,984
Balance, beginning of period (in shares)			24,960,639	24,920,984
Stock repurchase program, shares Held-in-treasury per share (in dollars per share) | $ / shares			$ 24.50
Dividends, term without prior regulatory approval, preceding period of net income			2 years
Payments of dividends | $			$ 26,000,000	$ 8,000,000	$ 0
Share-based payment arrangement, compensation cost | $			$ 2,127,000	1,448,000	$ 2,998,000
Option awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award contractual term			10 years
Granted (in shares)			0
Option awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, number of comparable companies | company			25
Option awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, number of comparable companies | company			30
Option awards | First Anniversaries
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			25.00%
Option awards | Second Anniversaries
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			25.00%
Option awards | Third Anniversaries
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			25.00%
Option awards | Fourth Anniversaries
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			25.00%
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to non-vested stock options granted | $			$ 135,000
Performance-based restricted stock | May 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to non-vested stock options granted | $			$ 2,052,000
Awards expected to issue (in shares)			97,694
Performance-based restricted stock | May 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to non-vested stock options granted | $			$ 879,000
Awards expected to issue (in shares)			59,099
FirstSun Capital Bancorp 2017 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares of common stock (in shares)			1,977,292
Total unrecognized compensation cost related to non-vested stock options granted | $			$ 136,000
Total unrecognized compensation cost related to non-vested stock options granted, period			2 years
Intrinsic value of the stock options | $			$ 16,392,000	21,216,000
FirstSun Capital Bancorp 2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares of common stock (in shares)					2,476,571
Issuance of common stock on restricted stock grants (in shares)	15,007	11,344
Pioneer's Option Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of the stock options | $			1,239,000	2,263,000
Bank
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments of dividends | $			$ 595,000	$ 700,000	$ 0

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Stockholders' Equity - Activity In Treasury Stock (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Shares
Balance, beginning of year (in shares)	0	1,557,054
Purchases (in shares)	0	0
Issuances (in shares)	0	(1,557,054)
Balance, end of year (in shares)	0	0
Amount
Balance, beginning of year	$ 0	$ 38,148
Purchases	0	0
Issuances	0	(38,148)
Balance, end of year	$ 0	$ 0

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Stockholders' Equity - Schedule of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Shares
Outstanding, beginning balance (in shares)	1,307,915	1,412,900
Exercised (in shares)	(62,915)	(104,985)
Outstanding, ending balance (in shares)	1,245,000	1,307,915
Options vested or expected to vest (in shares)	1,245,000	1,307,915
Options exercisable, end of period (in shares)	1,198,624	1,191,032
Weighted-Average Exercise Price, per Share
Outstanding, beginning balance (in dollars per share)	$ 20.23	$ 20.19
Exercised (in dollars per share)	19.72	19.72
Outstanding, ending balance (in dollars per share)	20.25	20.23
Weighted-average exercise price, options vested or expected to vest (in dollars per share)	20.25	20.23
Weighted-average exercise price, options exercisable, end of period (in dollars per share)	$ 20.13	$ 20.03
Weighted-Average Remaining Contractual Term (years)
Outstanding	4 years 3 months 14 days	5 years 3 months 3 days
Options exercisable	4 years 2 months 15 days	5 years 18 days
Pioneer's Option Plans
Shares
Outstanding, beginning balance (in shares)	170,711	0
Options assumed from Pioneer Bancshares, Inc. (in shares)		431,645
Exercised (in shares)	(40,719)	(259,890)
Forfeited (in shares)	(8,091)	(1,044)
Outstanding, ending balance (in shares)	121,901	170,711
Options vested or expected to vest (in shares)	121,901	170,711
Options exercisable, end of period (in shares)	121,901	170,711
Weighted-Average Exercise Price, per Share
Outstanding, beginning balance (in dollars per share)	$ 23.19	$ 0
Options assumed from Pioneer Bancshares, Inc. (in dollars per share)		23.32
Exercised (in dollars per share)	23.88	23.40
Forfeited (in dollars per share)	18.76	24.90
Outstanding, ending balance (in dollars per share)	23.26	23.19
Weighted-average exercise price, options vested or expected to vest (in dollars per share)	23.26	23.19
Weighted-average exercise price, options exercisable, end of period (in dollars per share)	$ 23.26	$ 23.19
Weighted-Average Remaining Contractual Term (years)
Outstanding	3 years 10 months 13 days	5 years 7 months 13 days
Options exercisable	3 years 10 months 13 days	5 years 7 months 13 days

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Income Taxes - Provision For Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Current	$ 24,938	$ 5,637	$ 5,533
Deferred	3,012	9,203	3,145
Total income tax expense	$ 27,950	$ 14,840	$ 8,678

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Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income tax provision computed at U.S. federal statutory rate	$ 27,611	$ 15,545	$ 10,887
State tax expense, net of U.S. federal effect	3,718	2,359	1,836
Tax exempt interest	(4,017)	(4,011)	(4,562)
Net increase in cash surrender value of BOLI	(405)	(353)	(268)
Non-deductible professional fees	0	216	648
Executive compensation	301	727	0
Other	742	357	137
Total income tax expense	$ 27,950	$ 14,840	$ 8,678
Effective tax provision rate	21.30%	20.00%	16.70%

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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Federal and state net operating loss	$ 22,852	$ 25,118
Allowance for credit losses	18,950	15,537
Unrealized loss on securities	13,920	14,235
Deferred compensation	3,005	4,756
Fair value adjustments on loans	1,626	2,428
Share-based compensation	2,529	2,208
Accrued expenses	881	1,320
Deferred loan fees	826	1,044
Lease liability	519	1,044
Fair value adjustments on deposits	99	326
Other real estate owned and foreclosed assets	0	7
Other	5,437	4,559
Total deferred tax assets	70,644	72,582
Deferred tax liabilities:
Mortgage servicing rights	18,079	17,465
Fair value adjustments on intangible assets	2,889	3,596
Prepaid expenses	1,193	1,143
Premises and equipment	1,281	918
Fair value adjustments on debt	606	700
FHLB stock	144	196
Other	193	209
Total deferred tax liabilities	24,385	24,227
Total deferred tax assets, net	$ 46,259	$ 48,355

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Income Taxes - Narrative (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 105,392
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 12,206

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Other Noninterest Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Data processing expenses	$ 14,933	$ 14,722	$ 12,889
Office expenses	4,698	5,203	4,396
Loan appraisal, servicing, and collection expenses	4,179	4,914	4,043
Professional fees	7,663	6,918	4,506
Advertising and marketing expenses	2,810	2,592	3,124
Insurance expenses	6,422	5,050	3,537
Travel and entertainment	3,873	3,750	2,526
Automated teller machine (ATM) and interchange expenses	1,495	1,494	1,176
Deposit expenses and other operational losses	1,894	2,057	1,024
Other	3,347	3,757	3,358
Total other noninterest expenses	$ 51,314	$ 50,457	$ 40,579

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Regulatory Capital Matters (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Parent Company
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total risk-based capital to risk-weighted assets, Actual Amount	$ 953,331	$ 829,712
Total risk-based capital to risk-weighted assets, Actual Ratio	0.1325	0.1199
Total risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 575,434	$ 553,440
Total risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0800	0.0800
Tier 1 risk-based capital to risk-weighted assets, Actual Amount	$ 798,167	$ 687,602
Tier 1 risk-based capital to risk-weighted assets, Actual Ratio	0.1110	0.0994
Tier 1 risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 431,575	$ 415,080
Tier 1 risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0600	0.0600
Common Equity Tier 1 (CET 1) to risk-weighted assets, Actual Amount	$ 798,167	$ 687,602
Common Equity Tier 1 (CET 1) to risk-weighted assets, Actual Ratio	0.1110	0.0994
Common Equity Tier 1 (CET 1) to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 323,682	$ 311,310
Common Equity Tier 1 (CET 1) to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0450	0.0450
Tier 1 leverage capital to average assets, Actual Amount	$ 798,167	$ 687,602
Tier 1 leverage capital to average assets, Actual Ratio	0.1052	0.0971
Tier 1 leverage capital to average assets, For Capital Adequacy Purposes, Amount	$ 303,410	$ 283,353
Tier 1 leverage capital to average assets, For Capital Adequacy Purposes, Ratio	0.0400	0.0400
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total risk-based capital to risk-weighted assets, Actual Amount	$ 918,050	$ 815,335
Total risk-based capital to risk-weighted assets, Actual Ratio	0.1279	0.1181
Total risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 574,280	$ 552,237
Total risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0800	0.0800
Total risk-based capital to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Amount	$ 717,850	$ 690,296
Total risk-based capital to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Ratio	0.1000	0.1000
Tier 1 risk-based capital to risk-weighted assets, Actual Amount	$ 838,199	$ 748,105
Tier 1 risk-based capital to risk-weighted assets, Actual Ratio	0.1168	0.1084
Tier 1 risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 430,710	$ 414,177
Tier 1 risk-based capital to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0600	0.0600
Tier 1 risk-based capital to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Amount	$ 574,280	$ 552,237
Tier 1 risk-based capital to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Ratio	0.0800	0.0800
Common Equity Tier 1 (CET 1) to risk-weighted assets, Actual Amount	$ 838,199	$ 748,105
Common Equity Tier 1 (CET 1) to risk-weighted assets, Actual Ratio	0.1168	0.1084
Common Equity Tier 1 (CET 1) to risk-weighted assets, For Capital Adequacy Purposes, Amount	$ 323,033	$ 310,633
Common Equity Tier 1 (CET 1) to risk-weighted assets, For Capital Adequacy Purposes, Ratio	0.0450	0.0450
Common Equity Tier 1 (CET 1) to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Amount	$ 466,603	$ 448,692
Common Equity Tier 1 (CET 1) to risk-weighted assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Ratio	0.0650	0.0650
Tier 1 leverage capital to average assets, Actual Amount	$ 838,199	$ 748,105
Tier 1 leverage capital to average assets, Actual Ratio	0.1105	0.1056
Tier 1 leverage capital to average assets, For Capital Adequacy Purposes, Amount	$ 303,321	$ 283,245
Tier 1 leverage capital to average assets, For Capital Adequacy Purposes, Ratio	0.0400	0.0400
Tier 1 leverage capital to average assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Amount	$ 379,151	$ 354,056
Tier 1 leverage capital to average assets, To be Well-Capitalized under Prompt Corrective Action Provisions, Ratio	0.0500	0.0500

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Transactions with Related Parties (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 08, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Outstanding loans with related parties		$ 2,601	$ 2,940
Deposits with related parties		51,759	4,662
Professional fees		7,663	6,918	$ 4,506
Director
Related Party Transaction [Line Items]
Professional fees		535	$ 488	$ 310
Chief Executive Officer | FEIF
Related Party Transaction [Line Items]
Purchase price	$ 150
Liabilities assumed	$ 11
Unused lines of Credit | Director
Related Party Transaction [Line Items]
Unused lines of credit		$ 1,231

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Fair Value Measurements - Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Mortgage servicing rights	$ 76,701	$ 74,097	$ 47,392	$ 29,144
Derivative financial instruments - assets	35,080	40,287
Derivative financial instruments - liabilities	(20,505)	(24,527)
Fair Value, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	516,757	536,973
Loans held-for-sale	54,212	57,323
Mortgage servicing rights	76,701	74,097
Derivative financial instruments - assets	35,080	40,287
Derivative financial instruments - liabilities	(20,505)	(24,527)
Total	662,245	684,153
Fair Value, Recurring | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	54,234	56,649
Loans held-for-sale	0	0
Mortgage servicing rights	0	0
Derivative financial instruments - assets	0	0
Derivative financial instruments - liabilities	0	0
Total	54,234	56,649
Fair Value, Recurring | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	462,523	480,324
Loans held-for-sale	54,212	57,323
Mortgage servicing rights	0	0
Derivative financial instruments - assets	35,080	40,287
Derivative financial instruments - liabilities	(20,505)	(24,527)
Total	531,310	553,407
Fair Value, Recurring | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	0	0
Loans held-for-sale	0	0
Mortgage servicing rights	76,701	74,097
Derivative financial instruments - assets	0	0
Derivative financial instruments - liabilities	0	0
Total	$ 76,701	$ 74,097

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Fair Value Measurements - Reconciliation for Level 3 Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 74,097	$ 47,392	$ 29,144
Total (losses) gains included in earnings	(6,649)	12,418	(5,606)
Purchases, issuances, sales and settlements:
Issuances	9,253	14,287	23,854
Balance, end of period	$ 76,701	$ 74,097	$ 47,392
Fair Value, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss) Statement Of Income, Extensible List Not Disclosed Flag	Total (losses) gains included in earnings	Total (losses) gains included in earnings	Total (losses) gains included in earnings

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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Non-recurring (Details) - Fair Value, Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	$ 6,493	$ 6,641
Total other real estate owned and foreclosed assets, net	4,100	6,358
Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	2,756	5,229
Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	607
Total other real estate owned and foreclosed assets, net	3,133	5,391
Residential real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	1,448	802
Total other real estate owned and foreclosed assets, net	967	967
Consumer
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	3
Other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	$ 2,289	$ 0

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Fair Value Measurements - Estimated Fair Values of Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Securities held-to-maturity	$ 32,181	$ 33,218
Restricted equity securities	38,072	50,215
Liabilities:
Securities sold under agreements to repurchase	24,693	36,721
Carrying Value
Assets:
Cash and cash equivalents	479,362	343,526
Securities held-to-maturity	36,983	38,901
Loans (excluding collateral dependent loans at fair value)	6,260,603	5,871,274
Restricted equity securities	38,072	50,215
Accrued interest receivable	37,099	28,543
Liabilities:
Deposits (excluding demand deposits)	4,309,057	3,732,215
Securities sold under agreements to repurchase	24,693	36,721
FHLB advances	389,468	643,885
Convertible notes payable, net		5,355
Subordinated debt, net	75,313	74,880
Accrued interest payable	13,580	5,798
Estimated Fair Value
Assets:
Cash and cash equivalents	479,362	343,526
Securities held-to-maturity	32,181	33,218
Loans (excluding collateral dependent loans at fair value)	6,121,749	5,756,197
Restricted equity securities	38,072	50,215
Accrued interest receivable	37,099	28,543
Liabilities:
Deposits (excluding demand deposits)	4,298,164	3,696,438
Securities sold under agreements to repurchase	24,693	36,721
FHLB advances	389,468	643,885
Convertible notes payable, net		5,329
Subordinated debt, net	72,073	71,618
Accrued interest payable	13,580	5,798
Estimated Fair Value | Level 1
Assets:
Cash and cash equivalents	479,362	343,526
Securities held-to-maturity	0	0
Loans (excluding collateral dependent loans at fair value)	0	0
Restricted equity securities	0	0
Accrued interest receivable	0	0
Liabilities:
Deposits (excluding demand deposits)	2,503,451	2,810,193
Securities sold under agreements to repurchase	0	0
FHLB advances	0	0
Convertible notes payable, net		0
Subordinated debt, net	0	0
Accrued interest payable	0	0
Estimated Fair Value | Level 2
Assets:
Cash and cash equivalents	0	0
Securities held-to-maturity	32,181	33,218
Loans (excluding collateral dependent loans at fair value)	0	0
Restricted equity securities	38,072	50,215
Accrued interest receivable	2,220	2,049
Liabilities:
Deposits (excluding demand deposits)	1,794,713	886,245
Securities sold under agreements to repurchase	24,693	36,721
FHLB advances	389,468	643,885
Convertible notes payable, net		5,329
Subordinated debt, net	72,073	71,618
Accrued interest payable	13,580	5,798
Estimated Fair Value | Level 3
Assets:
Cash and cash equivalents	0	0
Securities held-to-maturity	0	0
Loans (excluding collateral dependent loans at fair value)	6,121,749	5,756,197
Restricted equity securities	0	0
Accrued interest receivable	34,879	26,494
Liabilities:
Deposits (excluding demand deposits)	0	0
Securities sold under agreements to repurchase	0	0
FHLB advances	0	0
Convertible notes payable, net		0
Subordinated debt, net	0	0
Accrued interest payable	$ 0	$ 0

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Parent Company Only Condensed Financial Information - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 479,362	$ 343,526
Deferred tax assets	46,259	48,355
Prepaid expenses and other assets	134,321	124,790
Total assets	7,879,724	7,430,322	$ 5,666,814
Liabilities:
Convertible notes payable, net	0	5,355
Subordinated debt, net	75,313	74,880
Accrued expenses and other liabilities	125,370	124,085
Total liabilities	7,002,527	6,655,786
Total stockholders’ equity	877,197	774,536	$ 524,038	$ 485,787
Total liabilities and stockholders’ equity	7,879,724	7,430,322
Parent Company
Assets
Cash and cash equivalents	34,050	17,312
Deferred tax assets	11,026	13,791
Prepaid expenses and other assets	16,179	12,996
Investment in and advances to subsidiaries	906,504	823,449
Total assets	967,759	867,548
Liabilities:
Convertible notes payable, net	0	5,355
Subordinated debt, net	75,313	74,880
Accrued expenses and other liabilities	15,249	12,777
Total liabilities	90,562	93,012
Total stockholders’ equity	877,197	774,536
Total liabilities and stockholders’ equity	$ 967,759	$ 867,548

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Parent Company Only Condensed Financial Information - Condensed Statements of Income and Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income:
Total interest income	$ 413,684	$ 266,817	$ 169,354
Expense:
Interest expense	120,253	25,185	14,121
Salary and employee benefits	133,231	134,359	151,926
Occupancy and equipment	33,426	31,344	27,628
Merger related expenses	0	18,751	3,085
Other noninterest expenses, net	51,314	50,457	40,579
Total noninterest expense	222,793	239,126	224,635
Income (loss) before income taxes	131,483	74,022	51,842
Benefit from income taxes	27,950	14,840	8,678
Net income	103,533	59,182	43,164
Other comprehensive income (loss), net	976	(45,647)	(7,455)
Comprehensive income	104,509	13,535	35,709
Parent Company
Income:
Dividends received from subsidiaries	26,595	8,700	0
Interest income, $0, $2 and $44 from subsidiaries, respectively	36	22	56
Total interest income	26,631	8,722	56
Expense:
Interest expense	5,049	5,684	4,609
Salary and employee benefits	1,888	1,143	1,305
Occupancy and equipment	189	83	2
Merger related expenses	0	1,598	1,663
Other noninterest expenses, net	2,039	1,380	778
Total noninterest expense	9,165	9,888	8,357
Income (loss) before income taxes and undistributed earnings from subsidiaries	17,466	(1,166)	(8,301)
Equity in undistributed earnings from subsidiaries	83,837	58,047	49,729
Income (loss) before income taxes	101,303	56,881	41,428
Benefit from income taxes	(2,230)	(2,301)	(1,736)
Net income	103,533	59,182	43,164
Other comprehensive income (loss), net	976	(45,647)	(7,455)
Comprehensive income	104,509	13,535	35,709
Interest income from subsidiaries	$ 0	$ 2	$ 44

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Parent Company Only Condensed Financial Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 103,533	$ 59,182	$ 43,164
Changes in operating assets and liabilities:
Net cash provided by (used in) operating activities	125,176	96,915	113,109
Cash flows from investing activities:
Cash acquired in excess of cash paid in connection with Pioneer Merger	0	444,542	0
Net cash used in investing activities	(327,279)	(538,120)	(293,924)
Cash flows from financing activities:
Proceeds from subordinated debt	0	24,466	0
Proceeds from issuance of common stock, net of issuance costs	(167)	(579)	(456)
Net cash provided by financing activities	337,939	116,269	647,299
Net increase (decrease) in cash and cash equivalents	135,836	(324,936)	466,484
Cash and cash equivalents, beginning of period	343,526	668,462	201,978
Cash and cash equivalents, end of period	479,362	343,526	668,462
Parent
Cash flows from investing activities:
Cash acquired in excess of cash paid in connection with Pioneer Merger	(150)	(4,140)	0
Parent Company
Cash flows from operating activities:
Net income	103,533	59,182	43,164
Adjustments to reconcile income to net cash provided by (used in) operating activities:
Amortization and accretion	533	1,529	1,095
(Equity) deficit in undistributed income of subsidiaries	(83,837)	(58,047)	(49,729)
Changes in operating assets and liabilities:
Other assets	(419)	(1,442)	(4,250)
Other liabilities	2,911	293	3,479
Net cash provided by (used in) operating activities	22,721	1,515	(6,241)
Cash flows from investing activities:
Payments for investments in and advances to subsidiaries	0	125	500
Contributions to subsidiaries	(210)	0	0
Net cash used in investing activities	(360)	(4,015)	500
Cash flows from financing activities:
Repayments of convertible notes payable	(5,456)	(15,217)	0
Proceeds from subordinated debt	0	24,466	0
Proceeds from issuance of common stock, net of issuance costs	(167)	(578)	(66)
Net cash provided by financing activities	(5,623)	8,671	(66)
Net increase (decrease) in cash and cash equivalents	16,738	6,171	(5,807)
Cash and cash equivalents, beginning of period	17,312	11,141	16,948
Cash and cash equivalents, end of period	$ 34,050	$ 17,312	$ 11,141

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Segment Information - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 segment
Segment Reporting [Abstract]
Number of operating segments	2

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Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net interest income (expense)	$ 293,431	$ 241,632	$ 155,233
Provision (benefit) for credit losses	18,247	18,050	3,000
Noninterest income:
Service charges on deposit accounts	21,345	18,211	12,504
Credit and debit card fees	12,000	11,511	9,596
Trust and investment advisory fees	5,693	6,806	7,795
(Loss) income from mortgage banking services, net	31,384	46,285	86,410
Other noninterest income	8,670	6,753	7,939
Total noninterest income	79,092	89,566	124,244
Noninterest expense:
Salary and employee benefits	133,231	134,359	151,926
Occupancy and equipment	33,426	31,344	27,628
Other noninterest expenses	56,136	73,423	45,081
Total noninterest expense	222,793	239,126	224,635
Income (loss) before income taxes	131,483	74,022	51,842
Other Information
Depreciation expense	6,553	7,118	6,118
Identifiable assets	7,879,724	7,430,322	5,666,814
Operating Segments | Banking
Segment Reporting Information [Line Items]
Net interest income (expense)	292,573	241,840	152,515
Provision (benefit) for credit losses	15,790	14,781	3,235
Noninterest income:
Service charges on deposit accounts	21,345	18,211	12,504
Credit and debit card fees	11,997	11,511	9,596
Trust and investment advisory fees	5,693	6,806	7,795
(Loss) income from mortgage banking services, net	(1,676)	(3,035)	(2,409)
Other noninterest income	8,670	6,762	7,946
Total noninterest income	46,029	40,255	35,432
Noninterest expense:
Salary and employee benefits	106,030	94,310	95,064
Occupancy and equipment	30,461	27,407	24,558
Other noninterest expenses	39,165	57,082	30,297
Total noninterest expense	175,656	178,799	149,919
Income (loss) before income taxes	147,156	88,515	34,793
Other Information
Depreciation expense	6,320	6,754	5,728
Identifiable assets	6,907,741	6,633,383	5,058,281
Operating Segments | Mortgage Operations
Segment Reporting Information [Line Items]
Net interest income (expense)	5,871	5,455	7,270
Provision (benefit) for credit losses	2,457	3,269	(235)
Noninterest income:
Service charges on deposit accounts	0	0	0
Credit and debit card fees	3	0	0
Trust and investment advisory fees	0	0	0
(Loss) income from mortgage banking services, net	33,060	49,320	88,819
Other noninterest income	0	(9)	(7)
Total noninterest income	33,063	49,311	88,812
Noninterest expense:
Salary and employee benefits	25,313	38,456	55,557
Occupancy and equipment	2,775	3,854	3,067
Other noninterest expenses	14,933	13,814	12,341
Total noninterest expense	43,021	56,124	70,965
Income (loss) before income taxes	(6,544)	(4,627)	25,352
Other Information
Depreciation expense	233	364	390
Identifiable assets	910,728	752,841	573,552
Corporate
Segment Reporting Information [Line Items]
Net interest income (expense)	(5,013)	(5,663)	(4,552)
Provision (benefit) for credit losses	0	0	0
Noninterest income:
Service charges on deposit accounts	0	0	0
Credit and debit card fees	0	0	0
Trust and investment advisory fees	0	0	0
(Loss) income from mortgage banking services, net	0	0	0
Other noninterest income	0	0	0
Total noninterest income	0	0	0
Noninterest expense:
Salary and employee benefits	1,888	1,593	1,305
Occupancy and equipment	190	83	3
Other noninterest expenses	2,038	2,527	2,443
Total noninterest expense	4,116	4,203	3,751
Income (loss) before income taxes	(9,129)	(9,866)	(8,303)
Other Information
Depreciation expense	0	0	0
Identifiable assets	$ 61,255	$ 44,098	$ 34,981

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Commitments and Contingencies (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 18, 2024	Dec. 31, 2023	Dec. 31, 2022	Jun. 23, 2020
Loss Contingencies [Line Items]
Commitments including funding of fixed-rate loans		$ 191,415	$ 218,309
Commitments including funding of variable-rates loans		1,656,434	1,727,246
Maximum potential amount of future payments required under the commitments		3,810	3,860
Check Fraud Litigation
Loss Contingencies [Line Items]
Loss contingency, embezzlement amount aided				$ 400
Check Fraud Litigation | Subsequent Event
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value	$ 2,100
Standby Letters of Credit
Loss Contingencies [Line Items]
Standby letters of credit commitment		$ 14,490	$ 17,426
Minimum
Loss Contingencies [Line Items]
Fixed-rate interest		1.00%	1.00%
Maturity period		1 month	1 month
Maximum
Loss Contingencies [Line Items]
Fixed-rate interest		18.00%	18.00%
Maturity period		19 years	15 years

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Lease Commitments - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Lease expense	$ 7,670	$ 7,311	$ 6,623
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Lease renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	15 years
Lease renewal term	10 years

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Lease Commitments - Schedule of Leases Existing During Transition from ASC 840 to ASC 842 (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
ROU asset on leased property, gross	$ 36,520	$ 35,212
Accumulated amortization	(12,293)	(6,808)
ROU asset, net (Note 9)	24,227	28,404
Lease liability (Note 13)	$ 26,431	$ 31,267
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other assets	Prepaid expenses and other assets

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Lease Commitments - Future Undiscounted Lease Payments Due Under Non-Cancelable Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
2024	$ 7,146
2025	6,145
2026	4,386
2027	2,670
2028	2,488
Thereafter	5,287
Total undiscounted operating lease liability	28,122
Imputed interest	1,691
Total operating lease liability included in the accompanying balance sheet	$ 26,431	$ 31,267
Weighted Average Remaining Life - Operating Leases	5 years 6 months 21 days
Weighted Average Rate - Operating Leases	2.10%

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Lease Commitments - Components of Total Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating leases	$ 7,683	$ 7,145
Short-term leases	216	476
Sublease income	(229)	(310)
Net lease expense	$ 7,670	$ 7,311	$ 6,623

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Revenue from Contracts with Customers (Details) - Banking - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 43,968	$ 41,992	$ 34,827
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	21,345	18,211	12,504
Credit and debit card fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	12,000	11,511	9,596
Trust and investment advisory fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	5,693	6,806	7,795
Other income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,930	$ 5,464	$ 4,932

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Subsequent Events (Details) - Subsequent Event - HomeStreet $ / shares in Units, $ in Millions	Jan. 16, 2024 USD ($) branch $ / shares shares
Subsequent Event [Line Items]
Shares issuable in merger (in shares)	0.4345
Business combination, expected total assets after merger | $	$ 17,000.0
Business combination, expected branches after merger | branch	129
Minimum
Subsequent Event [Line Items]
Number of authorized common shares upon consummation of Merger (in shares)	60,000,000
Maximum
Subsequent Event [Line Items]
Number of authorized common shares upon consummation of Merger (in shares)	110,000,000
Common stock
Subsequent Event [Line Items]
Sale of stock, number of shares issued (in shares)	2,461,538
Consideration received from issuance of common stock | $	$ 80.0
Business combination, common stock expected to issue concurrent with and subject to closing | $	$ 95.0
Sale of stock, price per share (in dollars per share) | $ / shares	$ 32.50
Sale of stock, number of shares exchange for sale and issuance of purchase price (in shares)	2,920,000
Number of authorized common shares upon consummation of Merger (in shares)	100,000,000
Preferred Stock
Subsequent Event [Line Items]
Number of authorized common shares upon consummation of Merger (in shares)	10,000,000
Merger Warrants
Subsequent Event [Line Items]
Warrants, term	3 years
Merger Warrants | Common stock
Subsequent Event [Line Items]
Number of shares called by warrants (in shares)	1,150,000
Exercise price of warrants (in dollars per share) | $ / shares	$ 32.50