10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended September 30, 2023

OR

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

For the transition period from to

Commission File Number 001-40353

IMPEL PHARMACEUTICALS INC.

(Exact name of Registrant as specified in its Charter)

Delaware	26-3058238
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

201 Elliott Avenue West, Suite 260

Seattle, WA 98119

(Address of principal executive offices including zip code)

Registrant’s telephone number, including area code: (206) 568-1466

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.001 per share	IMPL	The Nasdaq Stock Market LLC

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, 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 Exchange Act. ☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). YES ☐ NO ☒

The number of shares of Registrant’s Common Stock outstanding as of November 8, 2023 was 23,900,031.

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this Quarterly Report on Form 10-Q other than statements of historical facts, including statements concerning our business strategy and plans, future operating results and financial position, as well as our objectives and expectations for our future operations, are forward-looking statements.

In some cases, you can identify forward-looking statements by such terminology as “believe,” “may,” “will,” “potentially,” “estimate,” “continue,” “anticipate,” “intend,” “could,” “would,” “project,” “plan,” “expect” and similar expressions that convey uncertainty of future events or outcomes, although not all forward-looking statements contain these words. Forward-looking statements include, but are not limited to, statements about:

•our estimates regarding expenses, future revenues, capital requirements and our need to raise substantial additional capital to fund our operations for at least the next 12 months as a going concern; and the increased expenses and administrative workload associated with being a public company;

•our ability to re-negotiate our Senior Credit Agreement with Oaktree;

•our expectations regarding our plans to explore strategic alternatives, pursue a new strategic reprioritization, explore strategic alternatives, halt research and development on certain product candidates, and the associated cost savings;

•our ability to successfully execute our commercialization strategy for Trudhesa;

•the size and growth potential of the market for Trudhesa and the markets for any future product candidates, if approved for commercial use, and our ability to serve those markets;

•our ability to obtain and maintain regulatory approval of any future product candidates, and any related restrictions, limitations or warnings in the label of any approved product;

•the timing or likelihood of regulatory filings and approvals;

•the success, cost and timing of our development activities, preclinical studies and clinical trials;

•the number, size and design of clinical trials that regulatory authorities may require to obtain marketing approval;

•our plans relating to the future development and manufacturing of product candidates, including plans for future development of our POD devices and proprietary POD technology, and plans to address additional indications for which we may pursue regulatory approval;

•future agreements with third parties in connection with preclinical and clinical development as well as the manufacture and commercialization of product candidates, if approved for commercial use;

•our ability to attract customers for any approved products;

•the effect of litigation, complaints or adverse publicity on our business;

•our ability to expand our sales force to address effectively the new indications, geographies and types of organizations we intend to target;

•our ability to forecast and maintain an adequate rate of revenue growth and appropriately plan our expenses;

•our liquidity and working capital requirements;

•our ability to attract and retain qualified employees and key personnel;

•our ability to protect and enhance our brand and intellectual property;

•the costs related to defending intellectual property infringement and other claims;

•privacy, data security, and data protection laws, actual or perceived privacy or data breaches or other data security incidents, or the loss of data;

•general macroeconomic conditions, and any related impacts from rising inflation, interest rates or geopolitical conflict;

•future regulatory, judicial, and legislative changes in our industry; and

•future arrangements with, or investments in, other entities or associations, products, services or technologies.

We have based these forward-looking statements largely on our current expectations and projections about future events and trends that we believe may affect our business, financial condition, results of operations, prospects, and financial needs. These forward-looking statements speak only as of the date of this Quarterly Report on Form 10-Q and are subject to a number of risks, uncertainties and assumptions described in the section titled “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q. Because forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, you should not rely on these forward-looking statements as predictions of future events. The events and circumstances reflected in our forward-looking statements may not be achieved or occur and actual results could differ materially from those projected in the forward-looking statements. We disclaim any intention or obligation to publicly update or revise any forward-looking statements for any reason or to conform such statements to actual results or revised expectations, except as required by law.

Table of Contents

		Page
	PART I—FINANCIAL INFORMATION
Item 1.	Condensed Consolidated Financial Statements (unaudited)	4
	Condensed Consolidated Balance Sheets	4
	Condensed Consolidated Statements of Operations and Comprehensive Loss	5
	Condensed Consolidated Statements of Changes in Stockholders’ (Deficit) Equity	6
	Condensed Consolidated Statements of Cash Flows	7
	Notes to the Condensed Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	31
Item 4.	Controls and Procedures	31
	PART II—OTHER INFORMATION
Item 1.	Legal Proceedings	32
Item 1A.	Risk Factors	32
Item 2.	Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities	58
Item 3.	Defaults Upon Senior Securities	58
Item 4.	Mine Safety Disclosures	58
Item 5.	Other Information	58
Item 6.	Exhibits	59
EXHIBIT INDEX		59
SIGNATURES		61

In this Quarterly Report on Form 10-Q, “we,” “our,” “us,” “Impel” and the “Company” refer to Impel Pharmaceuticals Inc. and its consolidated subsidiary. Impel, Impel Pharmaceuticals Inc., the Impel logo and other trade names, trademarks or service marks of Impel are the property of Impel Pharmaceuticals Inc. This report contains references to our trademarks and to trademarks belonging to other entities. Trade names, trademarks and service marks of other companies appearing in this report are the property of their respective holders. We do not intend our use or display of other companies’ trade names or trademarks to imply a relationship with, or endorsement or sponsorship of us by, any other companies.

PART I. FINANCIAL INFORMATION

Item 1. Condensed Consolidated Financial Statements (unaudited)

IMPEL PHARMACEUTICALS INC.

Condensed Consolidated Balance Sheet

(In thousands, except share and per share data)

(Unaudited)

	September 30, 2023			December 31, 2022
Assets
Current assets:
Cash and cash equivalents	$	239		$	60,654
Restricted cash		4,502			—
Trade receivables, net		6,586			7,444
Inventory		6,864			8,427
Prepaid expenses and other current assets		5,236			3,284
Total current assets		23,427			79,809
Property and equipment, net		4,087			3,863
Operating lease right-of-use assets		3,730			3,132
Other assets		3,829			1,746
Total assets	$	35,073		$	88,550
Liabilities and stockholders’ deficit
Current liabilities:
Accounts payable	$	3,734		$	6,092
Accrued and other liabilities		8,446			12,503
Current portion of long-term debt		111,001			—
Current portion of deferred royalty obligation		—			2,027
Current portion of operating lease liability		1,562			1,541
Total current liabilities		124,743			22,163
Operating lease liability, net of current portion		2,235			1,573
Deferred royalty obligation, net of current portion		—			60,899
Long-term debt		—			48,072
Total liabilities		126,978			132,707
Commitments and contingencies (Note 6)
Stockholders’ deficit:
Preferred stock, $0.001 par value; 10,000,000 shares authorized: none issued		—			—
Common stock, $0.001 par value; 300,000,000 shares authorized; 23,749,005 and 23,739,313 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively		24			24
Additional paid-in capital		280,419			276,929
Accumulated deficit		(372,348	)		(321,110	)
Total stockholders’ deficit		(91,905	)		(44,157	)
Total liabilities and stockholders’ deficit	$	35,073		$	88,550

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

4

IMPEL PHARMACEUTICALS INC.

Condensed Consolidated Statement of Operations and Comprehensive Loss

(In thousands, except share and per share data)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
Product revenue, net	$	5,023		$	3,082		$	15,979		$	7,644
Cost of goods sold		2,230			1,508			7,734			4,277
Gross profit		2,793			1,574			8,245			3,367
Operating expenses:
Research and development		252			3,155			3,456			10,756
Selling, general and administrative		15,352			19,659			56,659			57,553
Restructuring		—			—			1,481			—
Total operating expenses		15,604			22,814			61,596			68,309
Loss from operations		(12,811	)		(21,240	)		(53,351	)		(64,942	)
Other income (expense), net:
Interest income (expense), net		(3,661	)		(3,192	)		(9,609	)		(11,069	)
Other income (expense), net		2,658			(6,665	)		11,722			(7,260	)
Total other income (expense), net		(1,003	)		(9,857	)		2,113			(18,329	)
Loss before income taxes		(13,814	)		(31,097	)		(51,238	)		(83,271	)
Provision (benefit) for income taxes		—			—			—			—
Net loss and comprehensive loss	$	(13,814	)	$	(31,097	)	$	(51,238	)	$	(83,271	)
Net loss per share — basic and diluted	$	(0.58	)	$	(1.31	)	$	(2.16	)	$	(3.57	)
Weighted-average shares used in computing net loss per share    attributable to common stockholders, basic and diluted		23,749,005			23,709,546			23,747,640			23,345,946

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

5

IMPEL PHARMACEUTICALS INC.

Condensed Consolidated Statement of Changes in Stockholders’ (Deficit) Equity

(In thousands, except share data)

(Unaudited)

	Common Stock				Additional Paid-In		Accumulated			Total Stockholders’
	Shares		Amount		Capital		Deficit			(Deficit) Equity
Balance — December 31, 2022		23,739,313	$	24	$	276,929	$	(321,110	)	$	(44,157	)
Stock-based compensation expense		—		—		1,319		—			1,319
Release of restricted stock units		6,944		—		—		—			—
Net loss and comprehensive loss		—		—		—		(30,067	)		(30,067	)
Balance — March 31, 2023		23,746,257	$	24	$	278,248	$	(351,177	)	$	(72,905	)
Stock-based compensation expense		—		—		1,099		—			1,099
Issuance of common stock upon the exercise of stock options		2,748		—		5		—			5
Net loss and comprehensive loss		—		—		—		(7,357	)		(7,357	)
Balance — June 30, 2023		23,749,005	$	24	$	279,352	$	(358,534	)	$	(79,158	)
Stock-based compensation expense		—		—		1,067		—			1,067
Net loss and comprehensive loss		—		—		—		(13,814	)		(13,814	)
Balance — September 30, 2023		23,749,005	$	24	$	280,419	$	(372,348	)	$	(91,905	)

	Common Stock				Additional Paid-In		Accumulated			Total Stockholders’
	Shares		Amount		Capital		Deficit			Equity
Balance — December 31, 2021		23,123,062	$	23	$	267,283	$	(214,798	)	$	52,508
Stock-based compensation expense		—		—		1,795		—			1,795
Issuance of common stock upon the exercise of stock options		50,235		—		149		—			149
Net loss and comprehensive loss		—		—		—		(26,970	)		(26,970	)
Balance — March 31, 2022		23,173,297	$	23	$	269,227	$	(241,768	)	$	27,482
Stock-based compensation expense		—		—		1,579		—			1,579
Issuance of common stock upon the exercise of stock options		23,016		—		53		—			53
Net loss and comprehensive loss		—		—		—		(25,204	)		(25,204	)
Balance — June 30, 2022		23,196,313	$	23	$	270,859	$	(266,972	)	$	3,910
Stock-based compensation expense		—		—		565		—			565
Issuance of common stock upon the exercise of stock options		500		—		1		—			1
Issuance of common stock, net of issuance costs		542,500		1		4,331		—			4,332
Net loss and comprehensive loss		—		—		—		(31,097	)		(31,097	)
Balance — September 30, 2022		23,739,313	$	24	$	275,756	$	(298,069	)	$	(22,289	)

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

6

IMPEL PHARMACEUTICALS INC.

Condensed Consolidated Statement of Cash Flows

(In thousands)

(Unaudited)

	Nine Months Ended September 30,
	2023			2022
Cash flows from operating activities:
Net loss	$	(51,238	)	$	(83,271	)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation		3,485			3,939
Depreciation expense		850			895
Non-cash lease expense		1,191			846
Non-cash interest expense and amortization of debt discount and issuance costs		5,297			4,386
Loss on early extinguishment of debt		—			3,251
Change in fair value of derivatives		(11,560	)		7,585
Change in fair value of warrant liabilities		(204	)		(279	)
Write-down of inventory to net realizable value		1,190			—
Long-lived asset impairment		417			—
Changes in operating assets and liabilities:
Accounts receivable		858			(4,777	)
Inventory		(2,973	)		(4,702	)
Prepaid expenses and other current assets		(1,952	)		(2,605	)
Other assets		(38	)		—
Accounts payable		(2,190	)		(1,616	)
Accrued liabilities		(3,134	)		1,541
Operating lease		(1,106	)		(849	)
Net cash used in operating activities	$	(61,107	)	$	(75,656	)
Cash flows from investing activities:
Purchases of property and equipment		(1,871	)		(365	)
Net cash used in investing activities	$	(1,871	)	$	(365	)
Cash flows from financing activities:
Proceeds from deferred royalty obligation, net of issuance costs		—			48,418
Proceeds from issuance of debt, net of issuance costs		7,060			47,440
Payments on long-term debt, including final payment		—			(32,853	)
Proceeds from issuance of common stock upon exercise of stock options		5			203
Proceeds from issuance of common stock, net of issuance costs		—			4,332
Net cash provided by financing activities	$	7,065		$	67,540
Net decrease in cash, cash equivalents and restricted cash		(55,913	)		(8,481	)
Cash, cash equivalents and restricted cash — Beginning of period		60,654			88,212
Cash, cash equivalents and restricted cash — End of period	$	4,741		$	79,731
Supplemental disclosures of cash flow information:
Right-of-use asset obtained in exchange for new operating lease liability	$	2,123		$	3,779
Accrued inventory purchases		246			1,096
Recognition of derivative liabilities		—			1,905
Recognition of fair value of warrant liabilities issued in connection with issuance of debt		700			—
Purchase of property and equipment included in accounts payable and accrued liabilities		158			157

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

7

IMPEL PHARMACEUTICALS INC.

Notes to Condensed Consolidated Financial Statements

(Unaudited)

1. Organization and Description of Business

Impel Pharmaceuticals Inc. (“the Company”, “we”, and “our”), is a commercial-stage biopharmaceutical company focused on the development and commercialization of transformative therapies for patients suffering from diseases with high unmet medical needs, with an initial focus on diseases of the central nervous system, or CNS. The Company's lead product, Trudhesa™ (dihydroergotamine mesylate) Nasal Spray was approved by the U.S. Food and Drug Administration (“FDA”) in September of 2021. Using the Company’s proprietary Precision Olfactory Delivery (POD®) technology, Trudhesa™ gently delivers dihydroergotamine mesylate (DHE), a proven, well-established therapeutic, quickly to the bloodstream through the vascular-rich upper nasal space.

The Company’s strategy is to pair its POD®, upper nasal delivery technology with well-understood therapeutics or other therapeutics where rapid vascular absorption is preferred to drive therapeutic benefit, improve patient outcomes, reduce drug development risk and expand the commercial opportunity within its target diseases. The Company was incorporated under the laws of the State of Delaware on July 24, 2008, and maintains its headquarters and principal operations in Seattle, Washington. In April of 2022, the Company changed its name from Impel NeuroPharma, Inc. to Impel Pharmaceuticals Inc.

Recent Developments

From the Company’s inception through September 30, 2023, it raised an aggregate of $405.3 million in proceeds from the issuance of its common stock, proceeds pursuant to the Revenue Interest Financing Agreement (deferred royalty obligation), sale and issuance of redeemable convertible preferred stock, convertible notes, debt and warrants. The Company had cash and cash equivalents of $0.2 million and restricted cash of $4.5 million as of September 30, 2023. The Company currently has an effective 2022 Shelf Registration Statement (the “2022 Registration Statement”) on file with the Securities and Exchange Commission (“SEC”). The 2022 Shelf Registration Statement permits the offering, issuance and sale by the Company of up to an aggregate offering price of $200.0 million of common stock, preferred stock, debt securities, warrants, subscription rights and/or units in one or more offerings and in any combination. In May 2022, the Company entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which the Company may offer and sell shares of its common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market program (the “2022 ATM Program”) under the 2022 Registration Statement. In October 2023, the Company filed a prospectus supplement related to its 2022 ATM Program reflecting the Company’s sale restrictions pursuant to General Instruction I.B.6 of Form S-3 and registering the sale of up to $9,0 million through the 2022 ATM Program. Since such filing through the date of this Form 10-Q, the Company has sold 151,026 shares of its common stock for gross proceeds of approximately $65,000 at an average price of $0.4293 under its open sales agreement as further described in Note 9.

Further, the Company’s Credit Agreement and Guaranty dated March 17, 2022, as amended (the “Senior Credit Agreement”) with Oaktree Fund Administration, LLC as administrative agent (“Oaktree”), and the lenders party thereto (collectively, the “Secured Parties”), as further described in Note 8, required maintaining a minimum of $12.5 million in unrestricted cash and cash equivalents on hand to avoid an event of default under the Senior Credit Agreement. Among other loan covenant requirements, the Senior Credit Agreement also required the Company to provide an audit opinion of its annual financial statements not subject to any “going concern” or like qualification or exception or explanatory paragraph of going concern footnote, however, any such audit report shall not be considered qualified due to the inclusion of an explanatory paragraph in the audit opinion based on the impending maturity date of any indebtedness within twelve months from the date of issuance of the annual financial statements, the prospective breach of any financial covenant thereunder or liquidity issues due to ordinary course liabilities. The Company was not in compliance with maintaining the minimum liquidity covenant of $12.5 million in unrestricted cash and cash equivalents in August 2023.

As a result, during the three months ended September 30, 2023, the Company entered into two amendments to (i) the Senior Credit Agreement (collectively referred to as the “Amended Senior Credit Agreement”) the Secured Parties and the Revenue Interest Financing Agreement, dated March 17, as amended (the “RIF”) with Oaktree and the purchasers party thereto (collectively, the “Purchasers”). Under the first amendment, Oaktree advanced the Company $3.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement and the Purchasers agreed to exchange $9.0 million of obligations owed to the Purchasers under the RIF for $9.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement. Pursuant to the second amendment, the Secured Parties advanced the Company $4.5 million of Tranche B term loans under the Amended Senior Credit Agreement. Affiliates of KKR Iris Investors LLC, a greater than 10% holder of the Company’s common stock are lenders of a portion of the new amount under the Amended Senior Credit Agreement. Additionally, the Company exchanged all of its outstanding obligations, including accrued interest, of $51.4 million under the Senior Credit Agreement and of $9.0 million in Tranche A-2 term loans under the Amended Senior Credit Agreement as well as $41.0 million from the RIF into first lien Tranche A term loans. The Company had the right to draw up to an additional $12.5 million in Tranche B term loans over the course of 2023 subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions. The Secured Parties

8

provided the Company with a limited forbearance of the minimum liquidity covenant though December 31, 2023. In October 2023, as the Company remained in default due to the violation of the minimum net revenue and product units sold covenant as well as a financial reporting covenant, the Company and the Secured Parties entered into the third amendment to the Amended Senior Credit Agreement (the “Third Amendment”). Pursuant to the Third Amendment, the Company drew down $5.0 million in Tranche B term loans and continues to have the right to draw up to an additional $7.5 million in Tranche B term loans over the course of 2023, subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions specified in the Amended Senior Credit Agreement. The amounts outstanding under the Amended Senior Credit Agreement are secured and collateralized by all of the Company’s assets. The Amended Senior Credit Agreement also provides for certain modifications to the existing covenants, including additional reporting obligations, minimum net revenue and product units sold covenants and additional milestones. In addition, the Amended Senior Credit Agreement includes customary events of default, the occurrence of which could result in termination of Oaktree’s commitments or the acceleration of the Company’s obligations under the Amended Senior Credit Agreement. There can be no assurance that the Company will satisfy the covenants under the Amended Senior Credit Agreement and have the ability to draw down the remaining $7.5 million of Tranche B term loans. An event of default will accelerate the repayment of the Tranche A and Tranche B term loans resulting in all outstanding amounts being immediately due and payable to the Secured Parties. The Company was in compliance with all covenants as of September 30, 2023, however, as of the date of filing, the Company is in default of the minimum net revenue and product units sold covenants. For more information, see Note 8.

Our consolidated financial statements have been prepared using generally accepted accounting principles applicable to a going concern, which contemplates the realization of assets and liquidation of liabilities in the normal course of business. However, we have sustained substantial recurring losses from operations and negative operating cash flows. The above conditions raise substantial doubt about our ability to continue as a going concern within one year after the issuance date of these condensed consolidated financial statements. Our consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should we be unable to continue in existence. Uncertainty concerning our ability to continue as a going concern, among other factors, may hinder our ability to obtain future financing. Continued operations and our ability to continue as a going concern are dependent, among other factors, on our ability to successfully commercialize Trudhesa and our ability to obtain additional required funding in the near term and thereafter. We are exploring a wide range of options with a focus on maximizing shareholder value, including a potential sale of assets of the company, a sale of all of the company, a merger or other strategic transaction. Other potential strategic alternatives may include further restructuring or refinancing our debt, seeking additional debt or equity capital, reducing or delaying our business activities and strategic initiatives, mergers and acquisitions, licensing arrangements and partnerships, co-development agreements, or a combination of these. We have engaged financial advisors in connection with the review of strategic alternatives, however, there can be no assurance that we will be able to complete additional or alternative financings, business development transactions or other strategic alternatives. If we cannot continue as a viable entity, we will likely be required to reduce or cease operations and seek relief under the Chapter 11 of the United States Code (the “U.S. Bankruptcy Code”), and our stockholders would likely lose most or all of their investment in us.

Our ongoing liquidity issues also present significant challenges to current operations. We currently expect the financing availability under the Amended Senior Credit Agreement to be sufficient to conduct the strategic review process, but we do not expect it to be sufficient to continue operations beyond this process without substantial additional investment. Our operations are also being impacted by the loss of sales representatives that we do not currently plan to replace, increased pressure from suppliers regarding payments from us that may delay or prevent our ability to obtain sufficient product from suppliers, and concern from prescribers regarding future product availability. Any of these issues can have a material impact on our sales and may further reduce our cash runway, accelerating the potential need to seek alternatives, including seeking relief under Chapter 11 of the U.S. Bankruptcy Code.

2. Summary of Significant Accounting Policies

Basis of Presentation and Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States generally accepted accounting principles, or U.S. GAAP, and rules and regulations of the SEC for interim financial reporting. The condensed consolidated financial statements include the operations of Impel Pharmaceuticals Inc., and its wholly owned Australian subsidiary. All intercompany balances and transactions have been eliminated upon consolidation.

The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations and comprehensive loss, and changes in stockholders’ (deficit) equity for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022 are unaudited. These unaudited condensed consolidated financial statements have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company’s consolidated financial position as of September 30, 2023 and its results of operations for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022. The financial data and the other financial information

9

contained in these notes to the condensed consolidated financial statements related to the three and nine month periods is also unaudited. The results of operations for the three and nine months ended September 30, 2023, are not necessarily indicative of the results to be expected for the year ending December 31, 2023 or for any other future annual or interim period. The condensed consolidated balance sheet as of December 31, 2022 included herein was derived from the audited financial statements as of that date. These condensed consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2022 included in its Annual Report on Form 10-K filed with the SEC on March 27, 2023.

Our significant accounting policies are described in Note 2 of the notes to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2022. Updates to our accounting policies, including impacts from the adoption of new accounting standards, are discussed below in this Note 2.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. On an ongoing basis, management evaluates such estimates and assumptions for continued reasonableness. In particular, management makes estimates with respect to revenue recognition, inventory valuation, the fair values of derivative liabilities, stock-based compensation expense, deferred royalty obligation, lease accounting, income taxes, and additional charges as a result of, or that are associated with, any restructuring initiative as well as impairment and related charges. Appropriate adjustments, if any, to the estimates used are made prospectively based upon such periodic evaluation. Actual results could differ from those estimates.

Restricted Cash

Restricted cash consists primarily of cash that is restricted to utilization only under certain circumstances. Any cash that is legally restricted from use is classified as restricted cash and is held at financial institutions. Restricted cash of approximately $4.5 million is disclosed on the consolidated balance sheet as of September 30, 2023 and represents cash deposited by the Company into a separate account and designated as a controlled account in accordance with the terms of the Amended Senior Credit Agreement. Refer to Note 8 for the terms of the Amended Senior Credit Agreement.

Segments

The Company’s chief operating decision maker during the nine months ended September 30, 2023, and until November 4, 2023 was its Chairman and Chief Executive Officer. As described below, the Chairman and Chief Executive Officer resigned effective November 4, 2023. The Company’s Board of Directors appointed an Interim President and Chief Executive Officer effective upon the resignation of the Chairman and Chief Executive Officer. The Chairman and Chief Executive Officer reviewed and the Interim President and Chief Executive Officer reviews financial information on an aggregate basis for the purposes of evaluating financial performance and allocating the Company’s resources. Accordingly, the Company has determined that it operates in one segment.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and accounts receivables. The Company’s cash is deposited with high credit quality financial institutions. At times such deposits may be in excess of the Federal Depository Insurance Corporation insured limits.

Selling, General and Administrative Expense

Selling, general and administrative expenses are primarily comprised of compensation and benefits associated with sales and marketing, finance, human resources, legal, information technology and other administrative personnel, outside marketing, advertising and legal expenses and other general and administrative costs. The Company expenses the cost of advertising, including promotional expenses, as incurred. Advertising expenses were $1.7 million and $7.3 million for the three and nine months ended September 30, 2023. The Company incurred $1.5 million and $5.0 million for the three and nine months ended September 30, 2022.

Impairment of Long-Lived Assets

Long-lived assets consist of property and equipment and right of use assets. The Company reviews property and equipment and right of use assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable or that the useful life is shorter than the Company had originally estimated. Recoverability is measured by comparison of the carrying amount of the asset or asset group to the future undiscounted cash flows which the asset or asset group is expected to generate. If the asset or asset group is considered to be impaired, the impairment to be recognized is measured by the amount

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by which the carrying amount of the asset or asset group exceeds the fair value of the asset or asset group. If the useful life is shorter than originally estimated, the Company amortizes the remaining carrying value over the new shorter useful life.

Recently Adopted Accounting Pronouncements

In June 2016 the FASB issued Accounting Standard Update (“ASU”) 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This introduces a new methodology for recognition of credit losses - the current expected credit loss (“CECL”) method. The CECL method requires the recognition of all losses expected over the life of a financial instrument upon origination or purchase of the instrument unless the company elects to recognize such instruments at fair value with changes in profit and loss. The Company adopted this guidance as of January 1, 2023. The adoption did not have a material impact to the Company or its disclosures.

Emerging Growth Company Status

The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with certain new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it is (1) no longer an emerging growth company or (2) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, these financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

3. Fair Value Measurements

The following table summarizes the fair value of the Company’s financial liabilities measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

	September 30, 2023
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	757	$	757
Total financial liabilities	$	—	$	—	$	757	$	757

	December 31, 2022
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	261	$	261
Derivative liability — Deferred royalty obligation		—		—		11,000		11,000
Derivative liability — Oaktree term loan		—		—		560		560
Total financial liabilities	$	—	$	—	$	11,821	$	11,821

Common Stock Warrant Liabilities

Fair values of the Company’s common stock warrants are based on significant inputs not observed in the market, and thus represent a Level 3 measurement.

The following table summarizes the change in the fair value of the common stock warrant liabilities, included in the Company’s Accrued other liabilities in Note 5, for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	261
Issuance of warrants to Tranche B lenders		700
Changes in fair value		(204	)
Ending balance as of September 30, 2023	$	757

Pursuant to the July 2021 loan and security agreement with Oxford Finance LLC and Silicon Valley Bank (the “Loan Agreement”), the Company issued common stock warrants (see Note 8). The Company's warrants are not indexed to the Company’s common stock in the manner contemplated by ASC 815-40 because the warrant provides for an adjustment to the exercise price upon an acquisition. The Warrants were measured at fair value at inception and are subsequently remeasured at each reporting date with changes in fair value recognized as a component of other income (expense), net in the consolidated statement of operations and other comprehensive loss. The Company determined the fair value of the common stock warrants using the Black-Scholes-Merton option pricing model based on

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significant unobservable inputs. The significant unobservable inputs used in the fair value measurement of the warrant liabilities is the volatility rate which is based on the historical volatility of a set of peer companies, that are publicly traded.

Pursuant to the September 2023 second amendment to the Senior Credit Agreement, the Company will issue to the Tranche B lenders and certain of their affiliates warrants to purchase up to 4,749,800 shares of the Company's common stock. Upon execution of the second amendment, the Company issued warrants for the purchase of 1,781,175 shares of common stock. The remaining warrants will be issued on a pro rata basis in connection with each subsequent draw by the Company of the Tranche B term loans. The Warrants are exercisable, in full or in part, at any time prior to the seventh anniversary of their issuance or the consummation of a change of control (as defined in the Warrants), whichever occurs earlier, at an exercise price of $0.01 per share, subject to customary anti-dilution adjustments. The Warrants are not indexed to the Company’s common stock in the manner contemplated by ASC 815-40 because the warrant provides for settlement via the surrender of preferred stock at its liquidation value. The Warrants were measured at fair value at inception and are subsequently remeasured at each reporting date with changes in fair value recognized as a component of other income (expense), net in the consolidated statement of operations and other comprehensive loss. The Company determined the fair value of the Warrants using the Black-Scholes-Merton option pricing model based on significant unobservable inputs. The significant unobservable inputs used in the fair value measurement of the warrant liabilities is the volatility rate which is based on the historical volatility of a set of peer companies that are publicly traded.

Derivative Liabilities

Fair values of the Company’s derivative liabilities are based on significant inputs not observed in the market, and thus represent a Level 3 measurement.

The following table summarizes the change in the estimated fair value of the Company’s derivative liabilities for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	11,560
Change in fair value of derivatives — Deferred royalty obligation		(11,000	)
Change in fair value of derivatives — Oaktree term loan		(560	)
Ending balance as of September 30, 2023	$	—

The Senior Credit Agreement with Oaktree contained embedded derivatives requiring bifurcation as a derivative instrument. The derivative liability related to the Oaktree term loan was netted with the term loan in the consolidated financial statements (see Note 8 for additional details). The embedded derivative liability was subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other income (expense), net. The fair value of the embedded derivative liabilities associated with the term loan was estimated using a probability weighted discounted cash flow model to measure the fair value. This involves significant Level 3 inputs and assumptions including an (i) estimated probability and timing of a change in control and event of default, and (ii) our risk-adjusted discount rate. The fair value of the embedded derivative was determined to be zero prior to the execution of the amendments to the Senior Credit Agreement as the probability of occurrence of the underlying events was remote resulting in no value ascribed to the derivative.

The embedded derivative liability associated with our deferred royalty obligation (see Note 8) is measured at fair value using an option pricing Monte Carlo simulation model and is netted with the deferred royalty obligation in the consolidated financial statements. The embedded derivative liability is subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other expense, net. The assumptions used in the option pricing Monte Carlo simulation model include:(i) the probability-weighted net sales of Trudhesa; (ii) our risk-adjusted discount rate; (iii) our cost of debt; and (iv) the probability of a change in control and event of default occurring during the term of the instrument. The fair value of the embedded derivative was determined to be zero just prior to the termination of the RIF as the probability of a financing event occurring was remote resulting in no value ascribed to the derivative.

The Amended Senior Credit Agreement includes certain prepayment features in the Tranche B term loan requiring bifurcation as embedded derivatives. See Note 8 for additional details. The embedded derivative liability is subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other income (expense), net. The fair value of the embedded derivative liabilities associated with the Tranche B term loans is estimated using a probability weighted discounted cash flow model to measure the fair value. This involves significant Level 3 inputs and assumptions including an (i) estimated probability and timing of an event of default, casualty event or asset sale, and (ii) our risk-adjusted discount rate. The fair value at inception of the embedded derivative and as of September 30, 2023 was zero.

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4. Corporate Restructuring

On February 22, 2023, the Company announced a strategic update and corporate restructuring (the “Restructuring”) to reprioritize spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and halt research and development efforts on product candidates including INP105 to address acute agitation and aggression in autism spectrum disorder. As part of the Restructuring, the Company reduced headcount by 16% through a reduction in its workforce. The reduction in workforce was completed by March 31, 2023.

The Company incurred the following Restructuring charges consisting of winding down costs, exit and other related costs, impairments and write-offs of long-lived assets, and severance and employee-related costs (in thousands):

	Nine Months Ended September 30, 2023
Severance and employee-related costs	$	1,007
Long-lived asset impairments and write-offs		415
Supplemental one-time termination charges		59
Total	$	1,481

The Company estimated that it will incur total cash expenses of approximately $1.0 million related to the Restructuring of which $0.9 million was paid through September 30, 2023. The cash payments were primarily comprised of severance and other related costs.

The Company also completed an evaluation of the impact of the Restructuring on the carrying value of its long-lived assets, such as property and equipment. This process includes evaluating the estimated remaining lives, significant changes in the use, and potential impairment charges related to its long-lived assets. Based on its evaluation, the Company determined that certain of its long-lived assets were impaired as of March 31, 2023, and it recognized an impairment charge of $0.4 million related to its long-lived assets for the nine months ended September 30, 2023. The Company may incur additional costs not currently contemplated due to events that may occur because of, or that are associated with, the Restructuring.

The following table summarizes the activity related to the restructuring liabilities included in accrued liabilities on the condensed consolidated balance sheet associated with our restructuring initiatives for the nine months ended September 30, 2023 (in thousands):

	September 30, 2023
Balance as of December 31, 2022	$	—
Restructuring, impairment and related charges		1,481
Cash payments		(934	)
Noncash activities		(437	)
Balance as of September 30, 2023	$	110

5. Balance Sheet Components

Inventory

Inventories consisted of the following (in thousands):

	September 30, 2023			December 31, 2022
Raw materials	$	5,055		$	2,461
Work-in-process		3,877			4,191
Finished goods		1,536			3,334
Total inventories		10,468			9,986
Less: long-term inventories		(3,604	)		(1,559	)
Total current inventories	$	6,864		$	8,427

Inventory amounts written down to net realizable value in the consolidated statements of operations and comprehensive loss included a charge of $0.1 million and $1.2 million to cost of goods sold during the three and nine months ended September 30, 2023, related to excess and obsolescence reserves associated with Trudhesa.

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The Company classifies its inventories based on its anticipated levels of sales, any inventory in excess of its normal operating cycle is classified as long-term within Other Assets on its consolidated balance sheets.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Prepaid insurance	$	2,390	$	1,036
Other prepaids		2,219		1,587
Other current assets		621		649
Tax refund receivable		6		12
Total prepaid expenses and other current assets	$	5,236	$	3,284

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Accrued sales discounts and allowances	$	3,361	$	3,376
Accrued compensation		2,729		5,287
Accrued other liabilities		1,478		1,662
Accrued professional services		720		1,808
Accrued construction in progress		158		370
Total accrued liabilities	$	8,446	$	12,503

6. Commitments and Contingencies

Legal Proceedings

From time to time, the Company may have certain contingent liabilities that arise in the ordinary course of its business activities. The Company accrues a liability for such matters when it is probable that future expenditures will be made and that such expenditures can be reasonably estimated. Significant judgment is required to determine both probability and the estimated amount. The Company did not accrue any costs as of September 30, 2023 and December 31, 2022, as no contingent liabilities were deemed to be probable.

7. Leases

Real Estate Leases

In April 2022 the Company entered into a non-cancelable operating lease for 8,045 square feet of office space. Rent is payable monthly, increasing by approximately 2.5% each year. The term of the lease is 127 months and commenced in the first quarter of 2023. Upon commencement, the Company recorded a right-of-use asset and a lease liability on the Condensed Consolidated Balance Sheet.

In September 2017, the Company entered into a non-cancelable operating lease for 11,256 square feet of office and laboratory space. Rent is payable monthly, increasing by approximately 3% each year. The initial term of the lease was 3 years, and the Company renewed the lease for an additional four years with an expiration date of August 31, 2024.

Commercial Fleet Leases

During 2022 and in first half of 2023, the Company took delivery of a portion of its commercial car fleet for its salesforce. Each commercial fleet lease has a term of 12 months including options to renew for a total of 54 months, we believe a total of 36 months is deemed reasonable to exercise. In addition, the Company can terminate the vehicle leases at any time without a significant penalty. For the discount rate used in the commercial fleet lease, the Company used the weighted-average rate implicit in the commercial fleet leases.

As of September 30, 2023, the Company was not party to any finance leases.

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The following table reconciles the Company’s undiscounted operating lease cash flows to its operating lease liability (in thousands):

	September 30, 2023
Remaining 2023	$	484
2024		1,571
2025		718
2026		292
2027 and thereafter		1,830
Total undiscounted cash flows		4,895
Less: imputed interest		(1,098	)
Total lease liabilities		3,797
Less: current portion		(1,562	)
Lease liabilities	$	2,235

The weighted average remaining lease term and the weighted average discount rate used to determine the operating lease liability were as follows:

	September 30, 2023
Weighted average remaining lease term (years)		5.2
Weighted average discount rate		8.1	%

Operating lease expense was $0.5 and $0.3 million for the three months ended September 30, 2023 and 2022, respectively and $1.4 and $1.0 million for the nine months ended September 30, 2023 and 2022, respectively. Variable lease expense was $0.1 million for operating leases for both three months ended September 30, 2023 and 2022, and $0.3 million for operating leases for both nine months ended September 30, 2023 and 2022. Rent expense recognized for short term leases was $0.1 million for nine months ended September 30, 2022.

8. Long-Term Obligations

Oaktree Loan and Security Agreement

On March 17, 2022 (“Closing Date”), the Company entered into a Senior Credit Agreement with Oaktree under which it borrowed $50.0 million in the form of a term loan.

The term loan has a maturity date of March 17, 2027, and prior to the amendments entered into in August and September 2023, initially bore interest at the Secured Overnight Financing Rate (“SOFR”) + 8.75% (with a SOFR floor of 1.00%). Once Trudhesa achieves at least $125.0 million in net sales over a trailing 12-month period, interest would step down to SOFR + 8.00% (with a SOFR floor of 1.00%). The Company is required to make quarterly interest-only payments until the fourth anniversary of the Closing Date, after which the Company is required to make quarterly amortizing payments, with the remaining balance of the principal plus accrued and unpaid interest due at maturity. Prepayments of the loan, in whole or in part, would be subject to early prepayment fee which declines each year until the fourth anniversary date of the Closing Date, after which no prepayment fee is required. The Company was also required to pay an exit fee upon any payment or prepayment equal to 2.0% of the aggregate principal amount of the loans funded under the Senior Credit Agreement. The Senior Credit Agreement contains customary representations, warranties and events of default. If the Company defaults under its Senior Credit Agreement, the lenders may accelerate all of the Company's repayment obligations and take control of its pledged assets. The lenders could declare the Company in default under its debt obligation upon the occurrence of any event that the lenders interpret as having a material adverse effect as defined under the Senior Credit Agreement and the Revenue Interest Financing Agreement (the “RIF”, described further below under “Deferred Royalty Obligation”), thereby requiring the Company to repay the loans immediately or to attempt to reverse the lenders’ declaration through negotiation or litigation. Among other loan covenant requirements, the Senior Credit Agreement also requires the Company to provide an audit opinion of its annual financial statements not subject to any “going concern” or like qualification or exception or explanatory paragraph of going concern footnote. On March 22, 2023, the Company entered into a letter agreement with Oaktree in connection with its Senior Credit Agreement, to obtain a waiver from Oaktree for any default or event of default arising from the going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022. Under the Senior Credit Agreement, the Company is subject to a minimum liquidity requirement of $12.5 million unrestricted cash balance at all times (the “liquidity covenant”) and was in violation of this covenant prior to the execution of the first amendment to the Senior Credit Agreement.

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The Company identified a number of embedded derivatives that require bifurcation from the term loan and that were separately accounted for in the consolidated financial statements as one compound derivative liability. Certain of these embedded features include change in control provisions, events of default and contingent rate increases and were determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the term loan obligation have been netted to result in a net loan obligation and is classified as a Level 3 financial liability in the fair value hierarchy. The fair value of the embedded derivative liabilities associated with the term loan were estimated using the discounted cash flow method under the income approach. This involves significant Level 3 inputs and assumptions including an estimated probability and timing of a change in control and events of default (see Note 3 for additional details). The Company re-evaluates this assessment each reporting period and records any gains or losses in other income (expense). The initial recognition of the embedded derivative liability upon issuance of the Oaktree term loan was $0.4 million and was included in the term loan obligation in the consolidated balance sheets. At December 31, 2022 the fair value of the embedded derivative liability was $0.6 million. The fair value of the embedded derivative liability was zero prior to the execution of the amendments to the Senior Credit Agreement described below.

In connection with the issuance of the term loan, the Company recorded debt discount and debt issuance costs of $2.9 million. The discount and issuance costs are amortized over the life of the term loan.

A portion of the loan proceeds were used to repay in full the $32.9 million aggregate principal amount (including the prepayment fee and final payment fee) of loans outstanding owed to Oxford Finance LLC (“Oxford”) and Silicon Valley Bank (“SVB” and together with Oxford, the “Prior Lenders”) by the Company in the first quarter of 2022.

2023 Amendments

On August 21, 2023, the Company entered into the first amendment to the Senior Credit Agreement and the RIF with Oaktree and the Purchasers (collectively, the “First Amendment” and, together with the Second Amendment (as defined below), the “Amended Senior Credit Agreement”). The Company drew down $3.0 million of Tranche A-2 term loans under the First Amendment and the Purchasers agreed to exchange $9.0 million of obligations owed to the Purchasers under the RIF for $9.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement. Additionally, the terms related to the interest rate were entirely modified and rate was increased to SOFR + 10.75%. The two parties were negotiating the terms of a second amendment at the execution of the first amendment.

On September 5, 2023, the Company entered into the second amendment to the Senior Credit Agreement and RIF with the Secured Parties (the “Second Amendment”). Pursuant to the Second Amendment, the Secured Parties provided the Company with first lien Tranche B term loans for an aggregate principal amount of $20.0 million. The Company drew down $4.5 million of Tranche B term loans under the Amended Senior Credit Agreement and exchanged $3.0 million of Tranche A-2 term loans on a dollar-to-dollar basis into Tranche B term loans. Additionally, the Company exchanged all of its outstanding obligations, including accrued interest, of $51.4 million under the Senior Credit Agreement and of $9.0 million in Tranche A-2 term loans under the Amended Senior Credit Agreement as well as $41.0 million from the RIF into first lien Tranche A term loans for a principal amount of $101.5 million that includes an in-kind forbearance fee of $5.0 million, providing a forbearance from the Company’s default of the minimum liquidity requirement until December 31, 2023. The Company had the right to draw up to an additional $12.5 million in Tranche B term loans over the remainder of 2023 subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions. In connection with the execution of the Second Amendment, the RIF was terminated. Affiliates of KKR Iris Investors LLC, a holder of greater than 10% of the Company’s common stock, are lenders of a portion of the Tranche B term loans under the Amended Senior Credit Agreement.

Further, the Tranche B lenders received warrants to purchase common stock having an aggregate warrant coverage equal to an aggregate of approximately 19.99% of the Company's outstanding shares and an exercise price of $0.01 per share. Warrants to purchase a total of 1,781,175 shares of common stock were issued upon execution of the second amendment. Warrants for the purchase of up to 2,968,625 shares of common stock shall be issued on a pro rata basis to each lender in connection with each subsequent draw by the Company of the Tranche B term loans. The fair value of the warrants upon issuance of $0.7 million was recorded as a debt discount. Refer to Note 3.

Interest will be paid in kind (PIK) on both the Tranche A and Tranche B term loans through the end of the forbearance period, which was extended to December 31, 2023 under the second amendment, and accrues at SOFR + 10.75%. Quarterly principal payments of $2.5 million will commence after March 2026 with the remaining balance paid upon maturity. The Tranche B lenders are entitled to a 2x multiple on invested capital (the “Tranche B Return Shortfall”) on repayment or prepayment of the Tranche B term loans. Under the second amendment, with the exception of the Tranche B Return Shortfall, any prepayment of the term loans would no longer be subject to any prepayment fees; however, any payment or prepayment of the Tranche A term loans would be subject to an exit fee of $3.0 million, an increase of $2.0 million from the exit fee under the original terms of the Senior Credit Agreement. The Tranche A lenders and Tranche B lenders will be entitled to be repaid a maximum aggregate amount of approximately $141.5 million (assuming the entire $20.0 million of Tranche B term loans are funded), plus PIK interest on the Tranche A term loan.

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In addition to the liquidity covenant previously included in the terms of the Senior Credit Agreement, the Second Amendment added a minimum net revenue and product units sold covenant specifying the minimum revenue and units to be sold in subsequent three-week periods beginning after September 15, 2023. Compliance with the liquidity covenant was deferred until after December 31, 2023. The Second Amendment also provided for other modifications to existing covenants, including additional reporting obligations and additional milestones. Furthermore, the Company was required to transfer $4.5 million to an account subject to a control agreement between the Company and Oaktree. The account is restricted as to use except in the event of commencement of bankruptcy proceedings by the Company. As such, these funds are classified as restricted cash on the condensed consolidated balance sheet as of September 30, 2023. The Company was in violation of its minimum net revenue covenant and did not meet certain contractual milestones at September 30, 2023 resulting in the execution of the third and fourth amendments to waive these events of default. See Note 14 for additional information.

The amounts outstanding under the Amended Senior Credit Agreement are secured and collateralized by all of the Company’s assets. The Amended Senior Credit Agreement also provides for certain modifications to the existing covenants, including additional reporting obligations, minimum net revenue and product units sold covenants and additional milestones. In addition, the Amended Senior Credit Agreement includes customary events of default, the occurrence of which could result in termination of Oaktree’s commitments or the acceleration of the Company’s obligations under the Amended Senior Credit Agreement.

The Company identified certain prepayment features in the Tranche B term loans that are embedded derivatives requiring bifurcation from the term loan and recognition as one compound derivative liability. Certain of these embedded features include events of default, casualty events or asset sales and were determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the term loan obligation have been netted to result in a net loan obligation and is classified as a Level 3 financial liability in the fair value hierarchy. The fair value of the embedded derivative liabilities associated with the term loan were estimated using the discounted cash flow method under the income approach. This involves significant Level 3 inputs and assumptions including an estimated probability and timing of events of default, casualty events or asset sales (see Note 3 for additional details). The Company re-evaluates this assessment each reporting period and records any gains or losses in other income (expense). There was zero value upon initial recognition of the embedded derivative liability upon issuance of the Oaktree term loan.

The Company determined that the First and Second Amendments were modifications under ASC 470, Debt with Conversion and Other Options and no gain or loss was recognized as a result of the amendments. The unamortized balance of debt discounts and debt issuance costs prior to the amendments of $4.9 million was carried over to the balance of the Tranche A term loans. The Company incurred lender fees of $0.4 million in relation to the amendments that were recorded as an additional debt discount. The discount and issuance costs are amortized over the life of the term loans. Debt issuance costs of $0.5 million were expensed as incurred.

Interest expense for the three months ended September 30, 2023 and 2022 was $2.9 million and $1.6 million, respectively, and for the nine months ended September 30, 2023 and 2022 was $6.7 million and $3.1 million, respectively, and is inclusive of non-cash amortization of the debt discount and debt issuance costs and accretion of the exit fee and Tranche B Return Shortfall. The fair value of the Tranche A and Tranche B term loans at September 30, 2023 was equal to their carrying value due to the recent refinancing of the Amended Senior Credit Agreement.

The Company has classified the term loans as current liabilities on the condensed consolidated balance sheet. The Company has obtained limited waivers from the Secured Parties and executed two new amendments to the Amended Senior Credit Agreement subsequent to September 30, 2023; however, as of the date of financial statement issuance, the Company failed to meet the minimum net revenue and product units sold covenants.

Deferred Royalty Obligation

On March 17, 2022, the Company entered into a RIF (also known as the “Deferred Royalty Obligation”) with “the Purchasers” pursuant to which the Company sold to the Purchasers the right to receive payments from us at a tiered percentage (the “Applicable Tiered Percentage”), of future net revenues of Trudhesa, including worldwide net product sales and upfront payments, and milestones, (collectively, “the Revenue Interests”). Under the terms of the RIF Agreement, the Company received $50.0 million (“Investment Amount”), less transaction expenses, in exchange for tiered royalty payments on worldwide net sales from Trudhesa, as follows: 7.75% on annual United States net sales up to $150.0 million; 4.75% on annual United States net sales between $150 million and $300 million; 0.75% on annual United States net sales greater than $300.0 million; and 10% of any upfront payments, milestone payments and royalties received by us from licensing or partnerships relating to Trudhesa outside the United States. In connection with the execution of the Second Amendment described above, the RIF was terminated.

Prior to the Second Amendment, The Purchasers’ rights to receive the Revenue Interests would terminate on the date on which the Purchasers have received payments equal to 175% of the funded portion of the Investment Amount including the aggregate of all payments made to the Purchasers as of such date, unless the RIF is earlier terminated. If the Purchasers have not received payments equal to the 175% of the funded portion of the Investment Amount by the nine-year anniversary of the initial closing date, among other

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things, the Company shall pay the Purchasers an amount equal to the funded portion of the Investment Amount plus a specific annual rate of return less payments previously received.

Under the RIF, the Company had an option (the “Call Option”) to repurchase future Revenue Interests at any time until the third anniversary of the Closing Date upon advance written notice. Additionally, the Purchasers had an option (the “Put Option”) to terminate the RIF and to require the Company to repurchase future Revenue Interests upon enumerated events such as a bankruptcy event, a material adverse effect or a change of control. If the Put Option or the Call Option are exercised, the required repurchase price is (i) as of any date before the one-year anniversary of the Closing Date, an amount equal to (a) 1.25 multiplied by (b) the Investment Amount, (ii) as of any date on or after the one-year anniversary of the Closing Date and before the two-year anniversary of the Closing Date, an amount equal to (a) 1.40 multiplied by (b) the Investment Amount, (iii) as of any date on or after the two-year anniversary of the Closing Date and before the three-year anniversary of the Closing Date, an amount equal to (a) 1.55 multiplied by (b) the Investment Amount, and (iv) as of any date on or after the three-year anniversary of the Closing Date, an amount equal to (a) 1.75 multiplied by (b) the Investment Amount, in each case net of the sum of any payments received by the Purchasers prior to such Put Option Closing Date or Call Option Closing Date, as applicable.

If the Purchasers have not received 100% of the Investment Amount by February 15, 2027, the first tier royalty rate would be subject to an increase from 7.75% to 10.75%. As of September 30, 2023, the Company had made $1.2 million in payments to the Purchasers prior to the Second Amendment. The Company's obligations under the RIF were secured, subject to customary permitted liens and other agreed upon exceptions and subject to an intercreditor agreement with Oaktree, by a perfected security interest in (i) accounts receivable arising from net sales of Trudhesa and (ii) intellectual property that is claiming or covering Trudhesa, or any method of using, making or manufacturing Trudhesa, including regulatory approvals, clinical data and all other Trudhesa assets. As noted above, the Company determined that the first and second amendments to the Senior Credit Agreement with existing Oaktree lenders and the RIF were modifications under ASC 470, Debt with Conversion and Other Options and no gain or loss was recognized as a result of the amendments.

The Company evaluated the terms of the deferred royalty obligation and concluded that the features of the Investment Amount are similar to those of a debt instrument. Accordingly, the Company accounted for the transaction as long-term debt recorded at amortized cost using the effective interest method. The Company further evaluated the terms of the debt and determined that the Put Options under the RIF that were exercisable by Purchasers upon certain contingent events were determined to be embedded derivatives requiring bifurcation and separately accounted for as a single compound derivative instrument (see Note 3). The Put Option has been determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the deferred royalty obligation were netted to result in a net deferred royalty obligation as of December 31, 2022. The embedded derivative is classified as a Level 3 financial liability in the fair value hierarchy. The Company determined the fair value of the derivative using an option pricing Monte Carlo simulation model taking into account the probability of change of control or event of default occurring and potential repayment amounts and timing of such payments that would result under various scenarios, as further described in Note 3. The Company recorded the initial fair value of the derivative liability of $1.5 million which was included in the deferred royalty obligation in the consolidated balance sheet. The Company remeasured the derivative liability to fair value each reporting period until the termination of the RIF whereby the fair value of the derivative was determined to be zero. At December 31, 2022 the fair value of the derivative liability was $11.0 million. The fair value of the derivative liability was zero prior to the execution of the amendments to the Senior Credit Agreement described above.

Interest expense recognized for the three months ended September 30, 2023 and 2022 was $0.8 million and $1.8 million, and for the nine months ended September 30, 2023 and 2022 was $3.4 million and $4.1 million, respectively.

Oxford and Silicon Valley Bank Term Loan

In July 2021, the Company entered into the Loan Agreement with the “Prior Lenders”, to lend the Company up to an aggregate of $50.0 million in a series of term loans (the “Term Loan”). The term loans accrued interest at the greater of (i) 7.95% or (ii) the sum of (a) the greater of (1) the thirty (30) day U.S. LIBOR or (2) 0.11%, plus (b) 7.84% and were subject to a prepayment fee of 1.0% to 3.0% depending upon when the prepayment occurs. On repayment of the Term Loans, the Company was required to make a final payment fee to the Prior Lenders equal to 6.5% of the original principal amount of the Term Loans.

On March 17, 2022, upon entering into the Senior Credit Agreement, the Company repaid the $30.0 million of outstanding principal, interest, including prepayment and final payment fees owed under the Loan Agreement to the Prior Lenders. The Company recorded a loss of $3.3 million on the early extinguishment of debt related to the unamortized debt discount associated with the fair value of the warrants, final payment fee, and unamortized debt issuance costs. The loss on early extinguishment was recognized as a component of interest expense, net in the consolidated statement of operations and other comprehensive loss. Interest expense for the three and nine months ended September 30, 2022 was $0.7 million and was inclusive of non-cash amortization in the amount of $0.2 million related to the amortization of the debt issuance costs and accretion of final payment.

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In connection with entering into the Loan Agreement and borrowings under the agreement, the Company issued warrants to purchase 71,522 and 23,166, shares of its common stock, respectively, to the Prior Lenders at a per share exercisable price of $8.39 per share and $12.95 per share, respectively, all with ten year terms.

9. Common Stock

Each share of common stock has the right to one vote. The holders of common stock are also entitled to receive dividends whenever funds are legally available and when declared by the board of directors, subject to the prior rights of holders of all classes of stock outstanding having priority rights as to dividends. No cash dividends have been declared by the board of directors from inception.

The Company has reserved the following shares of common stock for issuance, on an as-converted basis, as follows:

	September 30, 2023		December 31, 2022
Stock incentive plans		7,754,000		6,351,263
Exercise of common stock warrants		1,875,863		94,688
Total		9,629,863		6,445,951

Open Market Sales Agreement

In May 2022, the Company entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which the Company may offer and sell shares of its common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market Program (the “2022 ATM Program”), under the 2022 Shelf Registration Statement. As of September 30, 2023, $45.0 million in shares of common stock remain eligible for sale under the 2022 ATM Program. In October 2023, the Company filed a prospectus supplement related to its 2022 ATM Program reflecting the Company’s sale restrictions pursuant to General Instruction I.B.6 of Form S-3 and registering the sale of up to $9.0 million through the 2022 ATM Program. Since such filing through the date of this Form 10-Q, the Company has sold 151,026 shares of its common stock under the 2022 ATM Program for gross proceeds of approximately $65,000 at an average price of $0.4293.

10. Stock Incentive Plans

As of September 30, 2023, the Company’s equity incentive plans authorized a total of 7,776,500 shares, of which 3,285,815 shares are available for future grant, and 4,490,685 shares are outstanding.

The Company’s 2021 Stock Incentive Plan, (the “2021 Plan”), provides for annual increase in the number of shares that may be issued under the 2021 Plan automatically on January 1 of each of 2022 through 2031 by the lesser of (a) 5% of the total number of outstanding shares of all classes of its common stock on each December 31 and (b) a number as may be determined by its board of directors.

The Company’s Employee Stock Purchase Plan (the “ESPP”), provides for annual increase in the number of shares that may be issued under the 2021 Plan automatically on January 1 of each of 2022 through 2031 by the lesser of (a) 5% of the total number of outstanding shares of all classes of its common stock on each December 31 and (b) a number as may be determined by its board of directors.

Effective January 1, 2023, the 2021 Plan and ESPP reserves increased by 1,186,965 shares and 237,393 shares, respectively. Changes in shares available for grant under the 2021 Plan during the nine months ended September 30, 2023 were as follows:

	Shares Available for Grant
Shares available for grant at December 31, 2022		1,837,854
2021 Plan reserve increase January 1, 2023		1,186,965
ESPP reserve increase January 1, 2023		237,393
Options and restricted units granted		(1,209,516	)
Options and restricted units forfeited, cancelled, or expired		1,233,119
Shares available for grant at September 30, 2023		3,285,815

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Stock-Based Compensation Expense

Stock-based compensation expense recognized was as follows (in thousands):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2023		2022			2023		2022
Cost of goods sold	$	45	$	(8	)	$	121	$	46
Research and development		43		8			267		618
Selling, general and administrative		979		565			3,097		3,275
Total stock-based compensation expense	$	1,067	$	565		$	3,485	$	3,939

Stock Option Activity

All stock option grants are awarded at fair value on the date of grant. The fair value of stock options is estimated using the Black-Scholes option pricing model and stock-based compensation is recognized on a straight-line basis over the requisite service period. Stock options granted generally become exercisable over a four-year period from the grant date. Stock options generally expire 10 years after the grant date.

The aggregate intrinsic value of stock options is calculated as the difference between the exercise price of the stock options and the fair value of the Company's common stock for those stock options that had exercise prices lower than the fair value of the Company's common stock at September 30, 2023.

A summary of the Company’s stock option activity under its stock option plans was as follows (in thousands, except share and per share data and years):

	Options Outstanding
	Number of Options			Weighted -Average Exercise Price		Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Balance — December 31, 2022		4,275,909		$	8.08		7.5	$	1,038
Authorized		—
Granted		1,165,643			2.22
Exercised		(2,748	)		1.97
Cancelled		(1,200,619	)		7.12
Balance — September 30, 2023		4,238,185		$	6.82		7.2	$	—
Exercisable — September 30, 2023		2,485,420		$	7.31		6.1	$	—

As of September 30, 2023, there was $6.8 million of total unrecognized compensation cost related to unvested options that are expected to vest. The cost is expected to be recognized over a weighted-average period of 2.2 years.

The fair value of stock option awards granted to employees was estimated at the date of grant using a Black-Scholes-Merton option pricing model with the following assumptions:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Expected term (in years)	6.1	6.1	6.1	6.1
Expected volatility	71.3%-71.4%	72.5%-74.5%	70.7%-71.4%	72.5%-74.5%
Risk-free interest rate	3.38% -3.94%	2.90% - 3.45%	3.38% -3.95%	1.70% - 3.45%
Expected dividends	—	—	—	—

Restricted Stock Units

The Company’s Restricted Stock Units (“RSUs”) are considered non-vested share awards and require no payment from the employee. For each RSU, employees receive one share of common stock at the end of the vesting period. The employee can elect to receive the one share of common stock net of taxes or pay for taxes separately and receive the entire share. The fair value of a restricted stock unit award at the grant date is equal to the market price of the Company's common stock on the grant date. Compensation expense is recorded based on the market price of the Company’s common stock on the grant date and is recognized on a straight-line basis over

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the requisite service period. As of September 30, 2023, there was less than $0.1 million of total unrecognized compensation cost related to the Company's RSUs that are expected to vest. These costs are expected to be recognized over a weighted-average period of 0.9 years.

During 2021, the Compensation Committee of the Board of Directors approved the Trudhesa Launch Equity Incentive Plan for awards of performance-based restricted stock units (“PSUs”) to certain senior executives of the Company. Each award reflects a target number of shares (“Target Shares”) that may be issued to the award recipient. These awards may be earned upon the completion of two-year performance periods ending December 31, 2022, and December 31, 2023. Whether units are earned at the end of the performance period will be determined based on the achievement of certain revenue targets over the performance period. The PSUs also include a performance objective relating to total shareholder return (“TSR”). TSR reflects the change in the value of the Company’s common stock over each performance period. Depending on the revenue achieved and the TSR during the two-year performance periods, the actual number of shares that a grant recipient receives at the end of the performance period may range from 0% to 125% of the Target Shares granted for the 2022 performance period and 0% to 150% of the Target Shares granted for the 2023 performance period.

In the period it becomes probable that the minimum revenue threshold specified in the award will be achieved, we recognize expense for the proportionate share of the total fair value of the PSUs related to the vesting period that has already lapsed for the shares expected to vest and be released. The remaining fair value of the shares expected to vest and be released is expensed on a straight-line basis over the balance of the vesting period. In the event the Company determines it is no longer probable that we will achieve the minimum threshold specified in the award, we reverse all of the previously recognized compensation expense in the period such a determination is made.

The fair value of the Target Shares and restricted stock awards are based on the fair value of the underlying shares on the date of grant. The fair value of the portion of the Target Shares that relate to a relative TSR performance objective was determined using a Monte Carlo simulation analysis to estimate the total shareholder return ranking of the Company among a peer group over the remaining performance periods. The expected volatility of the Company’s common stock at the date of grant was estimated based on the average historical volatilities for comparable publicly traded pharmaceutical companies. The Company used an expected dividend yield of zero. The risk-free interest rate assumption was based on observed interest rates consistent with the approximate two-year performance measurement period.

The fair value of PSUs granted to employees was estimated at the date of grant using the following assumptions:

	December 31, 2021
Contractual term (in years)	2.1
Expected volatility		0.83	%
Risk-free interest rate		0.70	%
Expected dividends	—

There were no PSUs that vested during the nine months ended September 30, 2023 and 182,500 and 237,500 PSUs are outstanding as of September 30, 2023 and December 31, 2022, respectively.

11. Income Taxes

To calculate the interim tax provision, at the end of each interim period the Company estimates the annual effective tax rate and applies that to its quarterly earnings from continuing operations. The effect of changes in the enacted tax laws or rates is recognized in the interim period in which the change occurs. The computation of the annual estimated effective tax rate at each interim period requires certain estimates and judgments including, but not limited to, the expected operating income for the year, projections of the proportion of income earned and taxed in foreign jurisdictions, permanent differences between book and tax amounts, and the likelihood of recovering deferred tax assets generated in the current year. The accounting estimates used to compute the provision for income taxes may change as new events occur, additional information is obtained, or the tax environment changes.

The Company’s effective tax rate for the three and nine months ended September 30, 2023 and 2022 differs from the U.S. statutory rate due to ongoing cumulative losses and the related valuation allowance.

During the three and nine months ended September 30, 2023, the Company reported U.S. pre-tax losses, consistent with prior years to date. The Company has not yet been able to establish a sustained level of profitability in the U.S. or other sufficient significant positive evidence to conclude that its U.S. deferred tax assets are more likely than not to be realized. Therefore, the Company continues to maintain a valuation allowance against its U.S. deferred tax assets.

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12. Defined Contribution Plan

The Company has a defined contribution retirement savings plan under Section 401(k) of the Internal Revenue Code. This plan allows eligible employees to defer a portion of their annual compensation on a pre-tax or after-tax basis. The Company makes discretionary matching contributions of up to 4% of a participating employee’s salary. For the three and nine months ended September 30, 2023, the amount expensed under the plan was $0.2 million and $0.7 million respectively. For the three and nine months ended September 30, 2022, the amount expensed under the plan was $0.2 million and $0.6 million respectively.

13. Net Loss Per Share

The following outstanding shares of potentially dilutive securities were excluded from the computation of the diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

	Nine Months Ended September 30,
	2023		2022
Stock options to purchase common stock		4,238,185		4,281,702
Non-vested RSUs and PSUs		230,000		485,571
Warrants to purchase common stock		1,875,863		94,688
Total		6,344,048		4,861,961

14. Subsequent Events

Amendments to Credit Agreement

On October 2, 2023, the Company entered into the third amendment to the Amended Senior Credit Agreement (the “Third Amendment”) with the Secured Parties as it was in violation of its minimum net revenue covenant and did not meet certain contractual milestones and reporting requirements at September 30, 2023. Pursuant to the third amendment, the Secured Parties waived certain defaults of the Company and modified the terms of the funding of the Tranche B term loans. The Company drew $5.0 million of Tranche B term loans and continued to have the right to draw up to an additional $7.5 million in Tranche B term loans over the remainder of 2023, subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions as further amended in the third amendment. The third amendment further provides that the Company shall use best efforts, subject to applicable law and fiduciary duties, to consummate an equity financing prior to October 31, 2023, and that to the extent proceeds from such financing exceed $5.0 million, the Company will apply 50% of such excess proceeds (the “Prepayment Proceeds”) to repay the Tranche B term loans. If the Prepayment Proceeds exceed the outstanding Tranche B term loans plus the Tranche B Return Shortfall, the remaining Tranche B commitment will be permanently reduced on a dollar-by-dollar basis by the amount of such excess.

On November 3, 2023, the Company entered into the fourth amendment to the Amended Senior Credit Agreement with the Secured Parties to modify the timing of certain milestones associated with future funding of Tranche B term loans and to extend the date of consummation of an equity financing from October 31, 2023 to November 20, 2023.

As of the date of filing, the Company is in default of the minimum net revenue and product units sold covenants.

Sales of Common Stock

Subsequent to September 30, 2023, Impel sold 151,026 shares of common stock for gross proceeds of approximately $65,000 at an average price of $0.4293 pursuant to the open market sales agreement.

Executive Officer Transitions

On October 29, 2023, Adrian Adams gave notice of his resignation from his position as Chairman of the Board of Directions and as President and Chief Executive Officer of the Company effective November 4, 2023. The Board of Directors of the Company appointed Leonard Paolillo as Interim President and Chief Executive Officer effective upon Mr. Adams’s resignation.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion and analysis of our financial condition and results of operations in conjunction with our condensed consolidated financial statements and the related notes and other financial information included elsewhere in this Quarterly Report on Form 10-Q and with our audited financial statements and related notes thereto and Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K.

In addition to historical financial information, this discussion and other parts of this report contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, based upon current expectations that involve risks and uncertainties. As discussed in the section titled “Special Note Regarding Forward Looking Statements,” our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in the section titled “Risk Factors” under Part II, Item 1A below.

Overview

Due to the fact that we were unable to generate sufficient cash flows from operations, obtain funding to sustain operations, or reduce or stabilize expenses to the point where we could have realized a net positive cash flow, management and our board of directors determined that it was in the best interests of the stockholders to seek a strategic alternative so that we could continue to operate. If the strategic process is unsuccessful, our Board may decide to obtain relief under Chapter 11 of the US Bankruptcy Code. We have hired advisors to explore strategic alternatives including, if needed, filing for protection under Chapter 11 of the U.S. Bankruptcy Code. Further, we are currently not in compliance with maintaining the minimum net revenue and product units sold covenants under the Amended Senior Credit Agreement with Oaktree and other investors as of the date of the filing of this Form 10-Q.

In response to these conditions, during the three months ended September 30, 2023, the Company entered into the First and Second Amended Senior Credit Agreements, respectively (collectively referred to as, the “the Amended Senior Credit Agreement”) to the Company’s Credit Agreement and Guaranty dated March 17, 2022, as amended (the “Senior Credit Agreement”) with Oaktree Fund Administration, LLC as administrative agent (“Oaktree”), and the lenders party thereto (collectively, the “Secured Parties”). Under the Amended Senior Credit Agreement, Oaktree and other investors have provided the Company with first lien Tranche B term loans for an aggregate principal amount of $20.0 million, including a forbearance and amendment agreement to remedy our current and anticipated noncompliance with the covenants under the Senior Credit Agreement. However, Oaktree and other investors may accelerate all of our repayment obligations and take control of our pledged assets due to the fact that we are in breach of the minimum net revenue and product units sold covenants under the Amended Senior Credit Agreement as of the date of financial statement issuance. We continue to evaluate potential strategic alternatives that might be available to us to maximize stockholder value, particularly given our current liquidity position. Potential strategic alternatives may include restructuring or refinancing our debt, seeking additional debt or equity capital, reducing or delaying our business activities, a sale of all or a portion of the company, a combination of these, or other strategic transactions. We currently have no commitments to engage in any specific strategic transaction and there can be no assurance that we will be able to complete additional or alternative financings, business development transactions or other strategic alternatives. Further, there can be no assurances that they will result in the completion of any such amendment, transaction or other alternative that would alleviate such conditions under the Senior Credit Agreement.

We are a commercial-stage biopharmaceutical company with a mission to develop transformative therapies for people suffering from diseases with high unmet medical needs, with an initial focus on diseases of the central nervous system, or CNS. Our company was founded on the premise that the upper nasal space can be an optimal treatment entry point for CNS and other diseases where rapid vascular absorption can result in superior clinical outcomes. Our strategy is to pair our proprietary Precision Olfactory Delivery, or POD, upper nasal delivery technology with well-established therapeutics or other therapeutics where rapid vascular absorption is preferred to drive therapeutic benefit, improve patient outcomes, reduce drug development risk and expand the commercial opportunity within our target diseases. In September of 2021, Trudhesa was approved by the U.S. Food and Drug Administration, or FDA, for the acute treatment of migraine headaches with or without aura in adult patients.

We have retained all development and commercial rights to Trudhesa. Given the concentrated prescriber base of our target market for Trudhesa, we independently launched in October of 2021. Trudhesa was launched with an initial sales force of 60 representatives and expanded to approximately 90 representatives in the third quarter of 2022 to support our targeted launch strategy. As of September 30, 2023, we had approximately 70 representatives due primarily to attrition resulting from our financial situation. We have experienced ongoing attrition and had approximately 55 as of October 31, 2023. We currently have no plans to replace these sales force vacancies. Our current commercial efforts are focused on increasing market share within our existing prescriber base and strategically expanding to high value healthcare professionals focused on neurologists and headache specialists. Importantly, we have secured managed care contracts providing access to Trudhesa for greater than 80% of commercial lives in the United States. We have deployed a robust sample program to ensure trial with Trudhesa for patients seeking better treatments and outcomes. Through both our commercial and medical affairs infrastructure we have engaged healthcare practitioners and patients, partnered with national associations and actively supported advocacy groups in the migraine market. These efforts have been, and will continue to be, supplemented with non-personal promotion

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to all targeted and non-targeted medium value physicians. To capture the maximum commercial opportunity of Trudhesa, we may also selectively seek partners to commercialize the product outside of our target markets, including additional penetration within the broader primary care setting, as well as in geographies outside of the United States. Through September 30, 2023, there have been approximately 122,000 prescriptions of Trudhesa generated since launch and based on third-party data, we believe Trudhesa accounts for approximately 4.9% of total branded acute migraine prescriptions among over 3,400 unique Trudhesa prescribers since launch. Additionally, based on internal data, approximately 61% of new Trudhesa patients eligible for a refill have received a second prescription.

On February 22, 2023, we announced plans to reduce our workforce by approximately 16% and incurred a charge of approximately $1.5 million primarily consisting of severance costs, employee-related benefits, supplemental one-time termination payments, and asset write-downs in the first quarter of 2023. We have reprioritized spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and halt research and development efforts on our prior product candidate INP105 to address acute agitation and aggression in autism spectrum disorder.

Prior to February 2023, we had built out an internal research and development team and also used third-party contract research organizations, or CROs, to carry out preclinical and clinical development. We relied on third-party contract manufacturing organizations, or CMOs, to manufacture and supply our clinical materials to be used during the development of any future product candidates. These CMOs are currently manufacturing commercial stage POD devices for Trudhesa, which we also used for our Phase 1 clinical trial, our registration lots and our STOP301 trial.

Through September 30, 2023, we have funded our operations primarily through proceeds from the sale of equity securities, including proceeds from the sale and issuance of common stock, proceeds pursuant to a Revenue Interest Financing Agreement, or RIF, that we entered into in March 2022 with certain purchasers party thereto and Oaktree Fund Administration, LLC as administrative agent, redeemable convertible preferred stock, warrants, debt and convertible notes. We have incurred significant operating losses to date. Our net losses were $51.2 million and $83.3 million for the nine months ended September 30, 2023 and 2022, respectively. As of September 30, 2023, we had an accumulated deficit of $372.3 million and a cash balance of $0.2 million.

Financial Operations Overview

Product Revenues, Net

We began to recognize revenue from product sales, net of discounts and other adjustments, in September of 2021 in conjunction with the launch of Trudhesa. We fully launched Trudhesa in October of 2021 and will continue to evaluate trends related to revenue momentum for Trudhesa. At launch we implemented our “bridge and co-pay savings” program which we believe provides an affordability solution for patients that enables higher physician prescribing. The program only provides assistance to commercially insured patients. Our data suggests these programs are playing an important role in supporting demand for Trudhesa.

Cost of Goods Sold

Cost of goods sold includes direct and indirect costs related to the manufacturing and distribution of Trudhesa, including third-party manufacturing costs, adjustments to net realizable value, packaging services, and freight-in.

Operating Expenses

Research and Development

Research and development costs are expensed as incurred. Research and development expenses consist primarily of salaries, benefits and other staff-related costs, including associated stock-based compensation, laboratory supplies, nonclinical and clinical studies and trials, manufacturing, costs for any future product candidates and POD devices to support our studies and trials, to design new versions of PODs, vendor validation and quality control preparation and fees paid to other entities that conduct certain research and development activities on our behalf. We consider regulatory approval of any future product candidates to be uncertain, and product manufactured prior to regulatory approval may not be sold unless regulatory approval is obtained.

Prior to our strategic reprioritization in February 2023, we tracked our direct costs by product candidate, but we do not allocate overhead costs or certain external costs because they supported multiple future product candidates. In particular, with respect to internal costs, several of our departments supported multiple future product candidate research and development programs, and we do not allocate those costs by product candidate.

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Selling, General and Administrative

Our selling, general and administrative expenses consist primarily of employee-related expenses, including salaries, benefits, travel and stock-based compensation for our personnel in executive, finance and accounting, human resources, and other administrative functions, as well as fees paid for accounting, legal and tax services, consulting fees and facilities costs not otherwise included in research and development expenses. With the approval of Trudhesa in September 2021, we expect our selling and marketing costs will continue to remain significant as we continue to support our commercial activities associated with Trudhesa. We continue to incur expenses associated with operating as a public company, including increased expenses related to audit, legal, regulatory, and tax-related services associated with maintaining compliance with the rules and regulations of the SEC and standards applicable to companies listed on a national securities exchange, additional insurance expenses, investor relations activities and other administrative and professional services.

Other Income (Expense), Net

Other income (expense), net, consists of interest earned on our cash, interest expense on our borrowings, and changes in the fair value of our stock warrant liabilities, derivatives, and loss on extinguishment of debt.

Consolidated Results of Operations

Comparison of the Three Months Ended September 30, 2023 and 2022

The following tables summarize our results of operations for the periods presented.

	Three Months Ended September 30,
	2023			2022			Change
	(in thousands)
Product revenue, net	$	5,023		$	3,082		$	1,941
Cost of goods sold		2,230			1,508			722
Gross profit		2,793			1,574			1,219
Operating expenses:
Research and development		252			3,155			(2,903	)
Selling, general and administrative		15,352			19,659			(4,307	)
Restructuring		—			—			—
Total operating expenses		15,604			22,814			(7,210	)
Loss from operations		(12,811	)		(21,240	)		8,429
Interest income (expense), net		(3,661	)		(3,192	)		(469	)
Other income (expense), net		2,658			(6,665	)		9,323
Total other income (expense), net		(1,003	)		(9,857	)		8,854
Loss before income taxes		(13,814	)		(31,097	)		17,283
Provision for income taxes		—			—			—
Net loss and comprehensive loss	$	(13,814	)	$	(31,097	)	$	17,283

Product revenue, net

Net product revenue was $5.0 million for the three months ended September 30, 2023, compared to $3.1 million for the three months ended September 30, 2022. The increase of $1.9 million in net product revenue is due to improvements in net price realization primarily resulting from an annual price increase, a decrease in the bridge and co-pay savings program discount during the three months ended September 30, 2023, compared to the three months ended September 30, 2022. Sales allowances and accruals mostly consisted of the bridge and co-pay savings program discounts, managed care rebates and distribution fees. Sales volumes in the third quarter of 2023 were relatively consistent with sales volumes in the third quarter of 2022.

Cost of goods sold

Cost of goods sold of $2.2 million for the three months ended September 30, 2023 compared to $1.5 million for the three months ended September 30, 2022 is related to manufacturing, conversion and packing costs related to the cost of Trudhesa products sold, in addition to certain overhead costs. For the three months ended September 30, 2023, we recorded a $0.1 million charge related to excess and obsolescence reserves associated with Trudhesa.

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Prior to receiving FDA approval for Trudhesa in September 2021, we recorded all costs incurred in the manufacture of Trudhesa to be sold upon commercialization as research and development expense. As a result, a portion of the manufacturing costs related to the Trudhesa build-up incurred before FDA approval were already expensed in a prior period, referred to as zero cost inventories, and are therefore excluded from the cost of goods sold in the three months ended September 30, 2022. We sold all remaining zero cost inventories in 2022.

Research and Development

Research and development expenses were $0.3 million for the three months ended September 30, 2023, compared to $3.2 million for the three months ended September 30, 2022. The decrease of $2.9 million is primary due to decreased personnel costs and program costs as we redirected our resources from research and development activities and pivoted our focus to supporting our commercial operations rather than research and development in the first quarter of 2023. As a result of this strategic reprioritization we expect our research and development expense to continue to decrease for the remainder of 2023 as compared to 2022.

The following table summarizes the period-over-period change in research and development expenses by product candidate for the periods indicated:

	Three Months Ended September 30,
	2023		2022		Change
	(in thousands)
Program-specific costs:
Trudhesa	$	9	$	574	$	(565	)
INP105		18		608		(590	)
Total program-specific costs		27		1,182		(1,155	)
Non program-specific costs:
Personnel-related	$	180	$	1,810	$	(1,630	)
Internal, overhead and other expenses		45		163		(118	)
Total non program-specific costs		225		1,973		(1,748	)
Total research and development expenses	$	252	$	3,155	$	(2,903	)

Selling, General and Administrative

Selling, general and administrative expenses were $15.3 million for the three months ended September 30, 2023, compared to $19.7 million for the three months ended September 30, 2022. The decrease of $4.4 million was primarily due to a decrease in commercial operations support costs and decreased promotional and marketing spend of $4.1 million as well as a decrease in insurance costs of $0.3 million in the three months ended September 30, 2023 compared to the same period in 2022.

Restructuring

There were no restructuring expenses for the three months ended September 30, 2023 and 2022.

Interest income (expense), net

Interest income (expense), net was an expense of $3.7 million for the three months ended September 30, 2023, compared to expense of $3.2 million for the three months ended September 30, 2022. The increase in expense of $0.5 million was due to an increase in term loan interest of $1.5 million partially offset by lower RIF interest expense in 2023 of $1.0 million compared to the three months ended September 30, 2022. (Refer to FN 8 for more information on debt modification)

Other Income (Expense), Net

Other income (expense), net was income of $3.7 million for the three months ended September 30, 2023, compared to expense of $6.7 million for the three months ended September 30, 2022. The increase in income of $9.3 million was primarily due to a decrease in the fair value of the Oaktree term loan and RIF derivatives of $11.7 million related to changes in expectations of timing and probability of an event of default and occurrence of a change in control.

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Comparison of the Nine Months Ended September 30, 2023 and 2022

The following tables summarize our results of operations for the periods presented.

	Nine Months Ended September 30,
	2023			2022			Change
	(in thousands)
Product revenue, net	$	15,979		$	7,644		$	8,335
Cost of goods sold		7,734			4,277			3,457
Gross profit		8,245			3,367			4,878
Operating expenses:
Research and development		3,456			10,756			(7,300	)
Selling, general and administrative		56,659			57,553			(894	)
Restructuring		1,481			—			1,481
Total operating expenses		61,596			68,309			(6,713	)
Loss from operations		(53,351	)		(64,942	)		11,591
Interest income (expense), net		(9,609	)		(11,069	)		1,460
Other income (expense), net		11,722			(7,260	)		18,982
Loss before income taxes		(51,238	)		(83,271	)		32,033
Provision for income taxes		—			—			—
Net loss and comprehensive loss	$	(51,238	)	$	(83,271	)	$	32,033

Product revenue, net

Net product revenue was $16.0 million for the nine months ended September 30, 2023, compared to $7.6 million for the nine months ended September 30, 2022. The increase of $8.4 million in net product revenue is due to both increased Trudhesa sales volume and improvements in net price realization due to decreases in the bridge and co-pay savings program discount during the nine months ended September 30, 2023, compared to the nine months ended September 30, 2022. Sales allowances and accruals mostly consisted of the bridge and co-pay savings program discounts, managed care rebates and distribution fees.

Cost of goods sold

Cost of goods sold of $7.7 million for the nine months ended September 30, 2023 compared to $4.3 million for the nine months ended September 30, 2022 is related to manufacturing, conversion and packing costs related to the cost of Trudhesa products sold, in addition to certain overhead costs. For the nine months ended September 30, 2023, we recorded charges of $1.2 million related to excess and obsolescence reserves associated with Trudhesa.

Prior to receiving FDA approval for Trudhesa in September 2021, we recorded all costs incurred in the manufacture of Trudhesa to be sold upon commercialization as research and development expense. As a result, a portion of the manufacturing costs related to the Trudhesa build-up incurred before FDA approval were already expensed in a prior period, referred to as zero cost inventories, and are therefore excluded from the cost of goods sold in the nine months ended September 30, 2022. We sold all remaining zero cost inventories in 2022.

Research and Development

Research and development expenses were $3.5 million for the nine months ended September 30, 2023, compared to $10.8 million for the nine months ended September 30, 2022. The decrease of $7.3 million is primarily due to decreased personnel costs and program costs as we redirected our resources from research and development activities and pivoted our focus to supporting our commercial operations rather than research and development in the first quarter of 2023. As a result of this strategic reprioritization, we expect our research and development expense to continue to decrease for the remainder of 2023 as compared to 2022.

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The following table summarizes the period-over-period change in research and development expenses by product candidate for the periods indicated:

	Nine Months Ended September 30,
	2023		2022		Change
	(in thousands)
Program-specific costs:
Trudhesa	$	334	$	1,752	$	(1,418	)
INP105		687		2,059		(1,372	)
Total program-specific costs		1,021		3,811		(2,790	)
Non program-specific costs:
Personnel-related	$	2,228	$	6,311	$	(4,083	)
Internal, overhead and other expenses		207		634		(427	)
Total non program-specific costs		2,435		6,945		(4,510	)
Total research and development expenses	$	3,456	$	10,756	$	(7,300	)

Selling, General and Administrative

Selling, general and administrative expenses were $56.6 million for the nine months ended September 30, 2023, compared to $57.6 million for the nine months ended September 30, 2022. The decrease of $1.0 million was primarily due to reduced Medical Affairs spend of $0.4 million as well as lower administrative expenses of $0.6 million in the nine months ended September 30, 2023 compared to the same period in 2022.

Restructuring

Restructuring expenses were $1.5 million for the nine months ended September 30, 2023 and represent one-time termination benefits and contractual termination benefits for severance costs related to the reduction in force and impairment charges related to our long-lived assets. There were no restructuring expenses for the nine months ended September 30, 2022.

Interest income (expense), net

Interest income (expense), net was expense of $9.6 million for the nine months ended September 30, 2023, compared to expense of $11.1 million for the nine months ended September 30, 2022. The decrease in expense of $1.5 million was due to the absence of debt extinguishment costs of $3.3 million incurred in the nine months ended September 30, 2022, partially offset by $1.8 million of higher interest expense related to our Oaktree term loan and RIF for the nine months ended September 30, 2023.

Other Income (Expense), Net

Other income (expense), net was income of $11.7 million for the nine months ended September 30, 2023, compared to expense of $7.3 million for the nine months ended September 30, 2022. The increase in income of $19.0 million was primarily due to a decrease in the fair value of the Oaktree term loan and RIF derivatives related to changes in expectations of timing and probability of an event of default and occurrence of a change in control.

Liquidity and Capital Resources

Sources of Liquidity

Since our inception, we have incurred significant operating losses and negative cash flows from our operations. Through September 30, 2023, we have funded our operations primarily through the issuance of common stock, debt, proceeds pursuant to the RIF, convertible promissory notes, redeemable convertible preferred stock, and warrants with aggregate proceeds of $405.3 million. As of September 30, 2023, we had available cash and cash equivalents of $0.2 million and an accumulated deficit of $372.3 million.

We have an effective shelf registration statement on Form S-3 filed with the SEC in May 2022, or the 2022 Shelf Registration, pursuant to which we registered for sale up to $200 million of any combination of our common stock, preferred stock, debt securities, warrants, subscription rights and/or units from time to time and at prices and on terms that we may determine. In May 2022, we entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which we may offer and sell shares of our common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market program or the 2022 ATM program under the 2022 Shelf Registration. Through September 30, 2023, we sold 542,500 shares of common stock at a

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weighted-average price per share of $9.25 pursuant to the 2022 ATM Program and received proceeds of approximately $4.5 million, net of commissions and fees.

In October 2023, we filed a prospectus supplement related to our 2022 ATM Program reflecting sale restrictions pursuant to General Instruction I.B.6 of Form S-3 and registering the sale of up to $9,0 million through the 2022 ATM Program. From September 30, 2023, through the date of this Form 10-Q, we have sold 151,026 shares for gross proceeds of approximately $65,000 under the 2022 ATM Program.

Based upon our current operating plan, we estimate that our cash and cash equivalents as of September 30, 2023, are insufficient for us to fund operating, investing, and financing cash flow needs for twelve months subsequent to the issuance date of the financial statements as of and for the period ended September 30, 2023 and accordingly, we have determined that there is substantial doubt about our ability to continue as a going concern.

Our loan agreement with Oaktree includes covenants requiring us to provide an audit opinion on our annual financial statements that is not subject to any “going concern” or like qualification or exception (see Note 8—Debt for more information about our long-term obligations). On March 22, 2023, we entered into the Oaktree Letter Agreement in connection with our Senior Credit Agreement, to obtain a waiver from Oaktree of any default or event of default arising from the going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022. The Senior Credit Agreement also requires us to maintain a minimum $12.5 million unrestricted cash balance at all times. In September 2023 we entered into the Amended Senior Credit Agreement, which includes a forbearance of this liquidity covenant through December 31, 2023. All outstanding borrowings under the Senior Credit Agreement are classified as current liabilities on the Condensed Consolidated Balance Sheets as of September 30, 2023 due to the debt covenant violation prior to the issuance of these interim financial statements.

We continue to evaluate financing, business development and other strategic alternatives, to provide the resources necessary to complete our commercialization efforts and maximize stockholder value, which may involve restructuring or refinancing our debt, seeking additional debt or equity capital, reducing or delaying the Company’s business activities, or the sale of all or a portion the Company. However, any transactions that we pursue and complete might not deliver the anticipated benefits or enhance stockholder value. Further, there can be no assurances that they will result in the completion of any such amendment, transaction or other alternative that would alleviate such conditions under the Senior Credit Agreement. We hired a financial advisor, if needed, to assist with filing for protection under Chapter 11 of the U.S. Bankruptcy Code.

Cash Flows

	Nine Months Ended September 30,
	2023			2022
	(in thousands)
Cash used in operating activities	$	(61,107	)	$	(75,656	)
Cash used in investing activities		(1,871	)		(365	)
Cash provided by financing activities		7,065			67,540
Net increase (decrease) in cash and cash equivalents	$	(55,913	)	$	(8,481	)

Cash Flows from Operating Activities

For the nine months ended September 30, 2023, cash used in operating activities was $61.1 million, which consisted of a net loss of $51.2 million, an increase of $10.5 million in net current assets and $0.6 million in non-cash charges. The $10.5 million net cash outflow related to changes in our current and non-current assets and liabilities and was attributed to an increase in inventories, operating leases, prepaid expenses and other current assets of $6.1 million and a decrease in payables and accrued liabilities of $5.3 million, partially offset by a decrease in accounts receivables of $0.9 million. The non-cash charges primarily consisted of a change in the fair value of our derivative liabilities, stock-based compensation, depreciation and amortization, amortization of debt discount, inventory write-downs to net realizable value, long-lived asset impairments, and a change in the fair value of our warrant liabilities.

For the nine months ended September 30, 2022, cash used in operating activities was $75.7 million, which consisted of a net loss of $83.3 million and a net change of $13.0 million in operating assets and liabilities, predominantly offset by $20.6 million in non-cash charges. The net change in our operating assets was primarily due to an increase in accounts receivables, inventories, prepaid assets, accrued liabilities and accounts payable. The non-cash charges primarily consisted of a loss on early extinguishment of debt, stock-based compensation, depreciation, amortization of debt discount and issuance costs, and a change in the fair value of our warrant and derivative liabilities.

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Cash Flows from Investing Activities

For the nine months ended September 30, 2023 and 2022, cash used in investing activities of $1.9 million and $0.4 million, respectively, and was related to purchases of property and equipment.

Cash Flows from Financing Activities

For the nine months ended September 30, 2023, cash provided by financing activities was $7.1 million, which was related to proceeds from issuance of debt under the Amended Senior Credit Agreement and common stock upon stock option exercises.

For the nine months ended September 30, 2022, cash provided by financing activities was $67.5 million, consisting primarily of net proceeds received from the Oaktree Financing and Revenue Interest Financing resulting in proceeds of $95.9 million, net of debt issuance costs and discount, and proceeds of $4.5 million from the issuance of common stock under the 2022 ATM Program, partially offset by the repayment of the Oxford and Silicon Valley Bank loan of $32.9 million including the final payment and prepayment fee.

Funding Requirements

We use our cash to fund operating expenses, including research and development expenditures and commercialization expenses for Trudhesa. We incur significant commercialization expenses for product sales, marketing and outsourced manufacturing with respect to Trudhesa. On February 22, 2023, we announced plans to reduce our workforce by approximately 16%. These actions reflect our determination to reprioritize spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and as a result we halted research and development efforts on INP105 to address acute agitation and aggression in autism spectrum disorder. We recorded a restructuring charge of $1.5 million in the aggregate primarily consisting of severance costs, employee-related benefits, supplemental one-time termination payments, and asset write-downs in the first quarter of 2023. Despite our recent restructuring, we will need substantial additional funding to support our operations absent a strategic transaction. We have hired advisors to explore strategic alternatives including, if needed, filing for bankruptcy protection under Chapter 11 of the U.S. Bankruptcy Code. However, any transactions that we pursue and complete might not deliver the anticipated benefits or enhance stockholder value. If we also may be unable to complete a strategic transaction, refinance our debt with Oaktree, increase our revenue, raise additional funds, or enter into such other agreements or arrangements when needed on favorable terms, or at all, our Board may decide to obtain relief under Chapter 11 of the U.S. Bankruptcy Code.

The timing and amount of our operating expenditures will depend largely on:

•the outcome of our strategic review process and any resulting transaction, including whether we ultimately file for bankruptcy protection under Chapter 11 of the U.S. Bankruptcy Code;

•the costs and timing of commercialization activities, including product manufacturing, marketing, sales and distribution for Trudhesa;

•the costs associated with building out our operations;

•our ability to establish strategic collaborations;

•the costs and timing of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending any intellectual property-related claims;

•the costs associated with being a public company.

If we do raise substantial additional capital through public or private equity offerings, the ownership interest of our existing stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect our stockholders’ rights. Our failure to obtain sufficient funds on acceptable terms, to support our operating expenditures, in the very near term could have a material adverse effect on our business, results of operations and financial condition.

Critical Accounting Policies, Significant Judgments and Use of Estimates

Our management’s discussion and analysis of our financial condition and consolidated results of operations is based on our condensed consolidated financial statements, which have been prepared in accordance with U.S. generally accepted accounting principles, or GAAP. The preparation of these condensed consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements, as well as the reported revenue generated, and reported expenses incurred during the reporting periods. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under

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the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

There have been no material changes to our critical accounting policies from those described in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our Annual Report on Form 10-K for the year ended December 31, 2022.

Recent Accounting Pronouncements

See Note 2—Basis of Presentation and Significant Accounting Policies to our unaudited condensed consolidated financial statements included elsewhere in this Quarterly Report on Form 10-Q for information about recent accounting pronouncements, the timing of their adoption, and our assessment, to the extent we have made one yet, of their potential impact on our financial condition of results of operations.

JOBS Act Accounting Election

We are an “emerging growth company,” as defined in the JOBS Act. Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies.

We have elected to use this extended transition period to enable us to get comply with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, our financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

As a smaller reporting company, we are not required to provide the information requested by this item pursuant to Item 305 of Regulation S-K.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation and supervision of our Chief Executive Officer and our Chief Financial Officer, have evaluated 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, or the Exchange Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of the end of the period covered by this Quarterly Report on Form 10-Q, our disclosure controls and procedures are effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) during the period covered by this Quarterly Report on Form 10-Q that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II – OTHER INFORMATION

Item 1. Legal Proceedings.

We are not party to any material legal proceedings at this time. From time to time, we may become involved in various legal proceedings that arise in the ordinary course of our business.

Item 1A. Risk Factors.

RISK FACTORS

Our business involves significant risks, some of which are described below. Before making your decision to invest in shares of our common stock, you should carefully consider the risks and uncertainties described below, together with the other information contained in this Quarterly Report on Form 10-Q, including “Management's Discussion and Analysis of Financial Condition and Results of Operations” and the financial statements and the related notes. If any of the following risks actually occur, it could harm our business, prospects, operating results and financial condition and future prospects. In such event, the market price of our common stock could decline, and you could lose all or part of your investment. Additional risks and uncertainties not presently known to us or that we currently believe are not material may also impair our business operations. This Quarterly Report on Form 10-Q also contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in the forward-looking statements as a result of factors that are described below and elsewhere in this Quarterly Report.

Summary Risk Factors

Our business is subject to numerous risks and uncertainties, including those highlighted in the section of this report captioned “Risk Factors.” The following is a summary of the principal risks we face:

•We are substantially restricted in our corporate activities by our existing debt facilities and are considering all strategic alternatives. If we do not maintain access to funding our debt facilities, we may be required to cease operations and seek relief under Chapter 11 of the United States Code (the “U.S. Bankruptcy Code”).

•There is substantial doubt about our ability to continue as a going concern, which may hinder our ability to obtain further financing.

•We are a commercial-stage biopharmaceutical company and have incurred net losses since our inception. We anticipate that we will continue to incur substantial operating losses for the foreseeable future, and we may never achieve or sustain profitability.

•If we do not complete a strategic transaction, or do not receive sufficient financing from our debt facilities or through any other financing, we expect that we will likely file for protection under the U.S. Bankruptcy Code. Even if we are successful in raising additional capital, we will require substantial additional financing to achieve our goals and a failure to obtain this necessary capital when needed could force us to delay, limit, reduce or terminate our product development or commercialization efforts.

•Statements in this report concerning our future plans and operations are dependent on our ability to secure adequate funding and the absence of unexpected delays or adverse developments. We may not be able to secure required funding.

•Our future commercial success depends upon attaining significant market acceptance of Trudhesa among physicians, patients, health care payors and others in the medical community necessary for commercial success.

•We rely entirely on third parties for the manufacturing of Trudhesa. If such third parties cease to provide services or require changes to our payment terms, or if we encounter difficulties in negotiating manufacturing and supply agreements with third-party manufacturers and suppliers of our POD device and the active ingredients in Trudhesa would be impaired.

•If we are not able to obtain and enforce patent protection for our technologies, development and commercialization of our technology may be adversely affected.

•If we fail to retain the remaining members of senior management and key scientific personnel, we may be unable to continue our operations, meet sale milestones and conclude our strategic review process.

•The market price of our common stock may be volatile.

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Risks Related to Our Financial Position and Need for Additional Capital

We are substantially restricted in our corporate activities by our existing debt facilities and are considering all strategic alternatives. If we do not maintain access to funding our debt facilities, we may be required to cease operations and seek relief under Chapter 11 of the U.S. Bankruptcy Code.

In September 2023 we entered into the Amended Senior Credit Agreement with Oaktree and the Secured Parties. Prior to entry into such agreement, we were in breach of the covenant under our Original Agreements with Oaktree to maintain a minimum of $12.5 million in unrestricted cash and cash equivalents on hand. Pursuant to the Amended Senior Credit Agreement, we have drawn an aggregate of $7.5 million as of September 30, 2023, and will have the right to draw up to $12.5 million more in additional tranche B term loans over the course of 2023, subject to our achievement of certain strategic transaction process milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions specified in the Amended Senior Credit Agreement. We have recently failed to satisfy certain covenants while we have received waivers for such violations to date, if we fail to satisfy these covenants going forward, we may be unable to draw down remaining tranche B term loans. If we are unable to draw additional term loans on the schedule currently anticipated, raise additional capital, or complete a strategic transaction, we will need to cease operations and seek relief under Chapter 11 of the U.S. Bankruptcy Code.

Our consolidated financial statements are prepared using the generally accepted accounting principles applicable to a going concern, which contemplates the realization of assets and liquidation of liabilities in the normal course of business. However, as shown in our consolidated financial statements for the year ended December 31, 2022, included in our Annual Report on Form 10-K for the year ended December 31, 2022, and the condensed consolidated financial statements included in this Report, we have sustained substantial recurring losses from operations. In addition, we have used, rather than provided, cash in our continuing operations. As of September 30, 2023, we held approximately $0.2 million in cash and cash equivalents and $4.5 million in restricted cash (restricted under the Amended Senior Credit Agreement). The above conditions raise substantial doubt about our ability to continue as a going concern within one year after the date that our financial statements are issued. Our consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should we be unable to continue in existence. Uncertainty concerning our ability to continue as a going concern, among other factors, may hinder our ability to obtain future financing. Continued operations and our ability to continue as a going concern are dependent, among other factors, on our ability to successfully commercialize Trudhesa and our ability to obtain additional required funding in the near term and thereafter. We are exploring a wide range of options with a focus on maximizing shareholder value, including a potential sale of assets of the company, a sale of all of the company, a merger or other strategic transaction. Other potential strategic alternatives may include restructuring or refinancing our debt, seeking additional debt or equity capital, reducing or delaying our business activities and strategic, initiatives, mergers and acquisitions, licensing arrangements and partnerships, co-development agreements, or a combination of these. We have engaged Moelis & Company LLC to act as our financial advisor in connection with the review of strategic alternatives, however, there can be no assurance that we will be able to complete additional or alternative financings, business development transactions or other strategic alternatives. If we cannot continue as a viable entity, we will likely be required to reduce or cease operations and seek relief under Chapter 11 of the U.S. Bankruptcy Code, and our stockholders would likely lose most or all of their investment in us.

Our ongoing liquidity issues also present significant challenges to current operations. We currently expect the financing availability under the Amended Senior Credit Agreement to be sufficient to conduct the strategic review process, but we do not expect it to be sufficient to continue operations beyond this process without substantial additional investment. Our operations are also being impacted by the loss of sales representatives that we do not currently plan to replace, increased pressure from suppliers regarding payments from us that may delay or prevent our ability to obtain sufficient product from suppliers, and concern from prescribers regarding future product availability. Any of these issues can have a material impact on our sales and may further reduce our cash runway, accelerating the potential need to seek alternatives, including seeking relief under Chapter 11 of the U.S. Bankruptcy Code.

We are not currently in compliance with the Nasdaq Global Market’s minimum market value of listed securities requirement of $50 million, the Nasdaq Global Market minimum market value of publicly held shares requirement of $15 million and the Nasdaq Global Market’s minimum bid price requirement for a common stock price per share of at least $1.00 per share. If our common stock is delisted, the market price and liquidity of our common stock and our ability to raise additional capital would be adversely impacted.

Our common stock is currently listed on the Nasdaq Global Market (“Nasdaq”). Continued listing of a security on Nasdaq is conditioned upon compliance with various continued listing standards. On April 11, 2023, we received a letter from Nasdaq notifying us that the Company did not meet the $15 million minimum market value of publicly held shares required to maintain continued listing as set forth in Nasdaq Marketplace Rule 5450(b)(2)(C) (the “MVPHS Rule”) for the 30-business day period ended April 5, 2023, and, as a result, we no longer comply with the MVPHS Rule for continued listing on Nasdaq. Additionally, on April 11, 2023, we received a second notice from Nasdaq stating that, for the for the 30-business day period ended April 5, 2023, we had not met the $50 million minimum market value of listed securities required to maintain continued listing as set forth in Nasdaq Marketplace Rule 5450(b)(2)(A) (the “MVLS Rule” and together with the MVPHS Rule, the “Rules”).

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As provided in the Nasdaq rules, we had 180 calendar days, or until October 9, 2023, to regain compliance. To regain compliance, the market value of our publicly held shares must be $15 million or more for a minimum of 10 consecutive business days and the market value of our listed securities must close at $50 million or more for a minimum of 10 consecutive business days at any time prior to October 9, 2023. We did not regain compliance with such applicable Rules prior to October 9, 2023, and on October 16, 2023, we filed to request a hearing to remain on the Nasdaq Stock Market, which request has suspended such delisting determination until a decision is issued by Nasdaq subsequent to the hearing.

Further, on September 28, 2023, we received notice from the Listing Qualifications staff of Nasdaq that, because the closing bid price for our common stock had fallen below $1.00 per share for 30 consecutive business days, we no longer complied with the minimum bid price requirement for continued listing on Nasdaq under Nasdaq Listing Rule 5450(a)(1). Pursuant to Nasdaq Listing Rule 5810(c)(3)(A), we have been provided an initial compliance period of 180 calendar days, or until March 26, 2024, to regain compliance with the minimum bid price requirement. To regain compliance, the closing bid price of our common stock must meet or exceed $1.00 per share for a minimum of 10 consecutive business days prior to March 26, 2024. If we fail to regain compliance by March 26, 2024, we may be eligible for a second 180 day compliance period if we elect to transfer to the Nasdaq Capital Market, provided that, on such date, we meet the continued listing requirement for market value of publicly held shares and all other applicable Nasdaq listing requirements (other than the minimum closing bid price requirement) and we provide written notice to Nasdaq of our intention to cure the deficiency during the second compliance period, by effecting a reverse stock split, if necessary. Such extension of the grace period would be subject to Nasdaq’s discretion, and there can be no guarantee that we would be granted an extension.

We have not yet determined what other actions we may pursue to regain compliance with the above Nasdaq continued listing requirements, and there can be no assurance that we will be able to regain compliance with such requirements. Our failure to regain compliance with the above requirements under the Nasdaq listing rules may result in the delisting of our common stock.

We are a commercial-stage biopharmaceutical company and have incurred net losses since our inception. We anticipate that we will continue to incur substantial operating losses for the foreseeable future, and we may never achieve or sustain profitability.

We are a commercial-stage biopharmaceutical company formed in 2008. To date, we have financed our operations primarily through the sale and issuance of redeemable convertible preferred stock, convertible notes and warrants, common stock offerings, debt financings and royalty financings. Since 2021, we have also relied on revenues generated from net sales of Trudhesa.

We have incurred significant net losses since our inception. Our net losses were $51.2 million and $106.3 million for the nine months ended September 30, 2023 and the year ended December 31, 2022, respectively. As of September 30, 2023, we had an accumulated deficit of $372.3 million. We cannot predict when or whether we will become profitable. Our losses have resulted principally from costs incurred in our product candidate discovery and development activities. We expect to incur net losses for the foreseeable future.

Our financial position will depend, in part, on the rate of our future expenditures and our ability to obtain funding through equity or alternative financings, strategic collaborations, or additional grants. Although we have received approval for Trudhesa, the resulting revenue from its commercialization may not enable us to achieve profitability. Our future revenues will depend upon our ability to achieve sufficient market acceptance, reimbursement from third-party payors and adequate market share for Trudhesa.

Our expenses and net losses may increase as we continue to commercialize Trudhesa as well as if we hire additional personnel, protect our intellectual property and incur additional costs associated with operating as a public company. Our net losses may fluctuate significantly from quarter to quarter and year to year, depending on our commercialization activities and any expenditures on other research and development activities.

To become and remain profitable, we must expand the market for Trudhesa. We may not succeed in these activities, and we may never generate revenue from product sales that are significant enough to achieve profitability. Even if we achieve profitability in the future, we may not be able to sustain profitability in subsequent periods. We may encounter unforeseen expenses, difficulties, complications, delays and other unknown factors that may adversely affect our business for any reason, including as a result of pandemics or other public health emergencies. The size of our future net losses will depend, in part, on the rate of future growth of our expenses and our ability to generate revenue. Our prior losses and expected future losses have had and will continue to have an adverse effect on our stockholders’ equity and working capital. Our failure to become or remain profitable would further depress our market value and could impair our ability to raise capital, expand our business, discover or develop other product candidates or continue our operations.

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If we do not complete a strategic transaction, or do not receive sufficient financing from our debt facilities or through any other financing, we expect that we will likely file for protection under Chapter 11 of the U.S. Bankruptcy Code. Even if we are successful in raising additional capital, we will require substantial additional financing to achieve our goals and a failure to obtain this necessary capital when needed could force us to delay, limit, reduce or terminate our product development or commercialization efforts.

If we do not complete a strategic transaction or receive sufficient financing from our existing debt facilities or an equity financing, we expect that we will file for protection under Chapter 11 of the U.S. Bankruptcy Code. We believe that the present fair market value of our assets are less than the total amount required to pay our probable liabilities on our total existing debts and liabilities (including contingent liabilities) as they become absolute and matured. If we are successful in resolving our immediately liquidity needs, we believe that we will continue to expend substantial resources for the foreseeable future as we continue the commercialization of Trudhesa, develop additional product candidates, if any, and launch clinical trials for such product candidates and pursue commercialization of product candidates, if approved. In addition, other unanticipated costs may arise. Because the outcome of our planned and anticipated clinical trials are highly uncertain, we cannot reasonably estimate the actual amounts necessary to successfully complete the development and commercialization of product candidates. Our costs will increase if we suffer any delays in our planned clinical trials for our current product candidates. Our forecast of the period of time through which our financial reserves will adequately support our operations is a forward-looking statement and involves risks and uncertainties, and actual results could vary as a result of a number of factors, including the factors discussed elsewhere in this “Risk Factors” section. We have based this estimate on assumptions that may prove to be wrong, and we could utilize our available capital resources sooner than we currently expect.

Our future capital requirements will depend on many factors, including:

•the outcome of our strategic review process and whether we seek protection under Chapter 11 of the U.S. Bankruptcy Code;

•the cost of commercialization activities for Trudhesa, or any other approved product, including marketing, sales and distribution costs;

•the cost of manufacturing product Trudhesa;

•the amount of revenue from Trudhesa; and

•the costs involved in preparing, filing, prosecuting, maintaining, defending, and enforcing patent claims, including litigation costs and the outcome of such litigation.

We will need to raise additional funds to address our goals. Additional funds may not be available when we need them on terms that are acceptable to us, or at all. While we are currently engaged in efforts to bring in additional capital, such efforts may not be successful or result in sufficient capital to realize our business plans and goals. Until we can generate sufficient revenue to finance our cash requirements, which we may never do, we expect to finance our future cash needs through a combination of public or private equity offerings, debt financings if available, collaborations, strategic alliances, licensing arrangements, and other marketing or distribution arrangements. If adequate funds are not available to us on a timely basis, we may be required to delay, limit, reduce or terminate our establishment of sales and marketing capabilities or other activities that may be necessary to continue to commercialize Trudhesa and other future product candidates if approved.

Statements in this report concerning our future plans and operations are dependent on our ability to secure adequate funding and

the absence of unexpected delays or adverse developments. We may not be able to secure required funding.

Any statements contained in this report concerning future events or developments or our future activities, such as concerning commercialization activities or regulatory matters, commercial introduction of any further products that we may develop in the future, anticipated outcome of any legal proceedings in which we are involved, and other statements concerning our future operations and activities, are forward-looking statements that in each instance assume that we have or are able to obtain sufficient funding to support such activities and continue our operations and satisfy our liability and obligations in a timely manner. There can be no assurance that this will be the case. Also, such statements assume that there are no significant unexpected developments or events that delay or prevent such activities from occurring. Failure to timely obtain any required additional funding, or unexpected developments or events, could delay the occurrence of such events or prevent the events described in any such statements from occurring which could adversely affect our business, financial condition and results of operations.

Our ongoing liquidity issues also present significant challenges to current operations. We currently expect the financing availability under the Amended Senior Credit Agreement to be sufficient to conduct the strategic review process, but we do not expect it to be sufficient to continue operations beyond this process without substantial additional investment. Our operations are also being impacted by the loss of sales representatives that we do not currently plan to replace, increased pressure from suppliers regarding payments from us that may delay or prevent our ability to obtain sufficient product from suppliers, and concern from prescribers

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regarding future product availability. Any of these issues can have a material impact on our sales and may further reduce our cash runway, accelerating the potential need to seek alternatives, including bankruptcy proceedings.

Raising additional capital may cause dilution to our stockholders, restrict our operations, or require us to relinquish rights to our technologies or product candidates on unfavorable terms to our business.

We may seek additional capital through a variety of means, including through private and public equity offerings and debt financings. To the extent that we raise additional capital through the sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of such equity or convertible debt securities may include liquidation or other preferences that are senior to or otherwise adversely affect your rights as a stockholder. Debt financing, if available, may involve agreements that include covenants limiting or restricting our ability to take certain actions, such as incurring additional debt, making capital expenditures, declaring dividends or encumbering our assets to secure future indebtedness. For example, our loan agreement with Oaktree is secured by a lien on substantially all of our assets. If we raise additional funds through strategic partnerships or royalty monetization agreements with third parties, we may have to relinquish valuable rights to our technologies or product candidates, or grant licenses on terms that are not favorable to us. If we are unable to raise additional funds when needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts for any future product candidates, or grant rights to third parties to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

Our quarterly operating results may fluctuate significantly or may fall below the expectations of investors or securities analysts, each of which may cause our stock price to fluctuate or decline.

We expect our operating results to be subject to quarterly fluctuations. Our net loss and other operating results will be affected by numerous factors, including:

•updates on our strategic review process;

•quarterly fluctuations in product sales of Trudhesa;

•our ability to retain our sales force and the negative impact such attrition will have on our sales of Trudhesa;

•any reductions in supply of Trudhesa due to inability to timely pay our suppliers;

•variation in the level of expense related to the commercialization of Trudhesa;

•any intellectual property infringement lawsuit or opposition, interference or cancellation proceeding in which we may become involved;

•strategic decisions by us or our competitors, such as acquisitions, divestitures, spin-offs, joint ventures, strategic investments or changes in business strategy; and

•changes in general market and macroeconomic conditions.

If our quarterly operating results fall below the expectations of investors or securities analysts, the price of our common stock could decline substantially. Furthermore, any quarterly fluctuations in our operating results may, in turn, cause the price of our common stock to fluctuate substantially. We believe that quarterly comparisons of our financial results should not be relied upon as an indication of our future performance.

Our cash and cash equivalents could be adversely affected if the financial institutions in which we hold our cash and cash equivalents fail.

We regularly maintain cash balances at third-party financial institutions, including formerly with Silicon Valley Bank, in excess of the FDIC insurance limit and similar regulatory insurance limits outside the United States. Further, if we enter into a credit, loan or other similar facility with a financial institution, certain covenants included in such facility may require as security that we keep a significant portion of our cash with the institution providing such facility. If a depository institution where we maintain deposits fails or is subject to adverse conditions in the financial or credit markets, we may not be able to recover all, if any, of our deposits, which could adversely impact our operating liquidity and financial performance.

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Risks Related to Commercialization of Trudhesa

Our future commercial success depends upon attaining significant market acceptance of Trudhesa among physicians, patients, health care payors and others in the medical community necessary for commercial success.

Trudhesa may not gain market acceptance among physicians, health care payors, patients and the medical community. There are several approved acute treatments for migraine currently on the market, including triptans, calcitonin gene-related peptides antagonists, or gepants, lasmiditan and alternative formulations of DHE, such as Migranal, which is also administered intranasally. All of these are competitive with Trudhesa and our level of market acceptance of Trudhesa for the acute treatment for migraine may be lower than we expect. Market acceptance of Trudhesa depends on a number of factors, including:

•the efficacy and safety of Trudhesa;

•perceived advantages of Trudhesa over alternative treatments, such as oral, IM and IV formulations;

•the indications for which the product candidates are approved and the labeling approved by regulatory authorities for use with the product candidates, including any warnings, limitations or contraindications contained in a product’s approved labeling;

•acceptance by physicians and patients of Trudhesa as a safe and effective treatment;

•the cost, safety and efficacy of treatment in relation to alternative treatments, including generic versions of the product candidates;

•the extent to which Trudhesa is included on formularies of hospitals and managed care organizations;

•the availability of coverage and adequate reimbursement and pricing by third-party payors and government authorities for Trudhesa;

•relative convenience and ease of administration of Trudhesa;

•the prevalence and severity of adverse side effects;

•the timing of market introduction of competitive products;

•restrictions on the distribution of Trudhesa;

•the effectiveness of our sales and marketing efforts;

•unfavorable publicity relating to Trudhesa; and

•the approval of other new therapies for the same indications.

Market acceptance is critical to our ability to generate significant revenue and become profitable. Trudhesa may be accepted in only limited capacities or not at all. If Trudhesa is not accepted by the market to the extent that we expect, we may not be able to generate significant revenue and our business would suffer.

The market for Trudhesa may not be as large as we expect and, as a result, our product revenues may be lower than expected and our stock price may decline.

Our estimates of the potential market opportunity for Trudhesa include several key assumptions based on our industry knowledge, industry publications, third-party research reports and other surveys, including surveys commissioned by us. These assumptions include the size of our target populations, the prevalence and incidence of addressable migraines, the number of patients receiving current treatment, the percentage of patients unsatisfied with the current treatments, the number of diagnosed but untreated patients, the compliance and adherence of patients in our target populations, the number of treatment centers and prescribing physicians and the percentage of payer acceptance. While we believe that our internal assumptions are reasonable, if any of these assumptions proves to be inaccurate, then the actual market for Trudhesa could be smaller than our estimates of our potential market opportunity. If the actual market for Trudhesa is smaller than we expect, our product revenue may be limited, and it may be more difficult for us to achieve or maintain profitability.

In addition, the FDA has required labeling restrictions for patients and uses of Trudhesa. For example, upper nasal space drug delivery may not be appropriate for use by patients with certain pre-existing conditions, such as chronic rhinitis with or without nasal polyposis or anatomical nasal obstruction.

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If we are unable to maintain our commercial distribution capabilities, we will be unable to successfully commercialize Trudhesa.

Our ongoing liquidity issues have contributed, in part, to a loss of sales representatives that we do not currently plan to replace, and we have also experienced increased pressure from suppliers and other commercial counterparties, including distributors, regarding payments from us. Our inability to retain sales representatives and distributor relationships, or an ability to obtain sufficient product from suppliers may delay or prevent our ability to make and fulfill sales, which would have a material adverse impact on our sales and may further reduce our cash runway, accelerating the potential need to seek alternatives, including bankruptcy proceedings.

Problems related to large-scale commercial manufacturing could cause delays in product launches, an increase in costs or shortages of Trudhesa.

Manufacturing finished drug products, especially in large quantities, is complex. The commercialization of Trudhesa requires several manufacturing steps and involves complex techniques to assure quality and sufficient quantity, especially as the manufacturing scale increases. Trudhesa will need to be made consistently and in compliance with a clearly defined manufacturing process pursuant to FDA regulations. Accordingly, it will be essential to be able to validate and control the manufacturing process to assure that it is reproducible. Slight deviations anywhere in the manufacturing process, including obtaining materials, filling, labeling, packaging, storage, shipping, quality control and testing, may result in lot failures, delay in the release of lots, product recalls or spoilage. Success rates can vary dramatically at different stages of the manufacturing process, which can lower yields and increase costs. We may experience deviations in the manufacturing process that may take significant time and resources to resolve and, if unresolved, may affect manufacturing output and cause us to fail to satisfy contractual commitments, lead to delays in our clinical trials or result in litigation or regulatory action. Such actions would hinder our ability to meet contractual obligations and could cause material adverse consequences for our business. In addition to the complexities of large-scale manufacturing, our ongoing liquidity issues also present significant challenges to current operations, including as a result of increased pressure from suppliers regarding payments from us, which may delay or prevent our ability to obtain sufficient product from suppliers.

Reimbursement for any approved products may be limited or unavailable, which could make it difficult for us to sell Trudhesa profitably.

In both domestic and foreign markets, sales of Trudhesa depend, in part, on the extent to which the costs of any future product candidates will be covered by third-party payors, such as government health care programs, commercial insurance and managed health care organizations. These third-party payors decide which drugs will be covered and establish reimbursement levels for those drugs. The containment of health care costs has become a priority of foreign and domestic governments as well as private third-party payors. The prices of drugs have been a focus in this effort. Governments and private third-party payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications, which could affect our ability to sell any approved products profitably. Cost-control initiatives could cause us to decrease the price we might establish for any approved products, which could result in lower than anticipated product revenues.

Reimbursement by a third-party payor may depend upon a number of factors, including the third-party payor’s determination that use of a product is:

•a covered benefit under its health plan;

•safe, effective and medically necessary;

•appropriate for the specific patient;

•cost-effective relative to other alternatives, including generic products; and

•neither experimental nor investigational.

Adverse pricing limitations may hinder our ability to recoup our investment in historical products.

Obtaining coverage and reimbursement approval for a product from a government or other third-party payor is a time-consuming and costly process that could require us to provide supporting scientific, clinical and cost-effectiveness data for the use of any future product candidates to the payor. Further, there is significant uncertainty related to third-party payor coverage and reimbursement of newly approved product candidates. We may not be able to provide data sufficient to gain acceptance with respect to coverage and reimbursement. Also, we cannot be sure that reimbursement amounts will not reduce the demand for, or the price of, Trudhesa. In addition, in the United States, third-party payors are increasingly attempting to contain health care costs by limiting both coverage and the level of reimbursement of new product candidates. As a result, significant uncertainty exists as to whether and how much third-party payors will reimburse patients for their use of newly approved product candidates, which in turn will put pressure on pricing.

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Price controls may be imposed in foreign markets, which may adversely affect our future profitability.

In some countries, including member states of the European Union, the pricing of prescription drugs is subject to governmental control. In these countries, pricing negotiations with governmental authorities can take considerable time after receipt of marketing approval for a product. In addition, there can be considerable pressure by governments and other stakeholders on prices and reimbursement levels, including as part of cost containment measures. Political, economic and regulatory developments may further complicate pricing negotiations, and pricing negotiations may continue after reimbursement has been obtained. Reference pricing used by various European Union member states and other countries and parallel distribution, or arbitrage between low-priced and high-priced member states, can further reduce prices. Publication of discounts by third-party payors or authorities may lead to further pressure on the prices or reimbursement levels within the country of publication and other countries.

We face substantial competition, which may result in others discovering, developing or commercializing product candidates before, or more successfully, than we do.

The development and commercialization of new and improved pharmaceutical products is highly competitive. There are many pharmaceutical companies, biotechnology companies, public and private universities, government agencies and research organizations actively engaged in research and development of product candidates which may target the same markets as Trudhesa. Our future success depends on our ability to demonstrate and maintain a competitive advantage with respect to the design, development and commercialization of Trudhesa within those markets.

For Trudhesa we are aware of the several competing efforts. Approved acute treatments for migraine include triptans, gepants (such as ZavzpretTM and Nurtec® both commercialized by Pfizer Inc.), lasmiditan and alternative formulations of DHE, such as Migranal, which is administered intranasally. Some of these competitor products have been launched. Some of these competitors are also developing product candidates that utilize alternative routes of administration, including Amneal Pharmaceuticals, Inc., Satsuma Pharmaceuticals, Inc. and Zosano Pharma Corporation, whose product candidates use nasal pumps or other drug delivery technologies.

One or more of our competitors may utilize their expertise in other methods of pharmaceutical drug delivery to develop and obtain approval for upper nasal space delivery products that may compete with Trudhesa. These competitors may include Aegis, Optinose and other smaller pharmaceutical companies. Many of our competitors have significantly greater financial, technical, manufacturing, marketing, sales and supply resources or experience than we have had to date. Our ability to compete effectively will depend, in part, on the timing and scope of regulatory approvals for these product candidates, the availability and cost of manufacturing, marketing and sales capabilities, price, reimbursement coverage and patent position, the safety and effectiveness of any of our future product candidates, the ease with which any of our future product candidates can be administered and the extent to which patients accept relatively new routes of administration. Competing products could present superior treatment alternatives, including by being more effective, safer, less expensive or marketed and sold more effectively than any product candidates we may develop. Competitive products may reduce the demand and price for Trudhesa, making it obsolete or noncompetitive before we recover the expense of developing and commercializing. Our competitors could also recruit our employees, which could negatively impact our level of expertise and our ability to execute our business plan.

We rely entirely on third parties for the manufacturing of Trudhesa. If such third parties cease to provide services or require changes to our payment terms, or if we encounter difficulties in negotiating manufacturing and supply agreements with third-party manufacturers and suppliers of our POD device and the active ingredients in Trudhesa would be impaired.

We do not own any manufacturing facilities and have limited experience in commercial manufacturing. We currently rely, and expect to continue to rely, on a limited number of experienced personnel and contract manufacturing organizations, or CMOs, and suppliers, including in some cases single-source suppliers, who would assist in the production, assembly, test, validation, supply, storage and distribution of Trudhesa, and we do not control their activities. While we have developmental and commercial supply agreements in place with some of our key suppliers, we may not be able to obtain terms that are favorable to us or enter into commercial manufacturing and supply agreements at all with other necessary third parties. If we are unable to enter into such agreements on commercially reasonable terms, our ability to commercialize Trudhesa would be impaired, and our business, financial condition and results of operations would be materially adversely affected.

Further, given our current liquidity issues, we may be delayed in paying these third parties, or these third parties may demand accelerated payment in advance of providing necessary supplies of Trudhesa. Any such change to our payment obligations may decrease the availability of Trudhesa and materially impair our ability to further commercialize Trudhesa.

If product sales for Trudhesa grow, Trudhesa will require production processes to be scaled up. We will be dependent on external manufacturers and suppliers to ensure that their manufacturing processes can be scaled up adequately such that we are able to supply

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the market. If any of our key suppliers are unable or unwilling to scale up production, our product candidates would be impaired, and our business, financial condition and results of operations would be materially adversely affected.

If third-party manufacturers, wholesalers and distributors fail to perform as expected, our costs may be higher than expected.

Our reliance on third-party manufacturers, wholesalers and distributors exposes us to the following risks, any of which could result in higher costs, or deprive us of potential product revenues:

•our CMOs, or other third parties we rely on, may require changes to our payment terms if they consider us unlikely to pay in a timely manner, accelerating our expected cash usage or delaying our access to Trudhesa supply;

•our CMOs, or other third parties we rely on, may encounter difficulties in achieving the volume of production needed to satisfy commercial demand, may experience technical issues that impact quality or compliance with applicable and strictly enforced regulations governing the manufacture of pharmaceutical products, and may experience shortages of qualified personnel to adequately staff production operations;

•our CMOs, wholesalers and distributors may misappropriate our proprietary information; and

•if our CMOs, wholesalers and distributors were to terminate our arrangements or fail to meet their contractual obligations, we may be forced to delay our commercial programs.

For example, we identified increased levels of impurities in some drug vials of certain drug lots used in our Trudhesa STOP 301 trial. Vials from those drug lots were removed from the trial and we conducted a root cause investigation, identifying the likely root cause as long stoppages in the production of two lots. If we encounter similar or other issues in connection with our commercial manufacturing of Trudhesa, we may face delays and shortages in production of Trudhesa, impacting our ability to fill prescriptions, and may face further scrutiny from the SEC.

Our reliance on third parties does not relieve us of our responsibility to ensure compliance with all required legal, regulatory and scientific standards. For example, the FDA and other regulatory authorities require that product candidates and any products that we may eventually commercialize be manufactured according to cGMP and QSR, and similar foreign standards. In addition, our third-party manufacturers will be subject to periodic inspections by the FDA and other regulatory authorities, and failure to comply with cGMP or QSR could be the basis for the FDA to issue a warning or untitled letter, withdraw approvals for product candidates previously granted to us, or take other regulatory or legal action, including request a recall or seize product candidates, total or partial suspension of production, suspension of clinical trials, refusal to approve pending applications or supplemental applications, detention of product, refusal to permit the import or export of product candidates, injunction, imposing civil penalties or pursuing criminal prosecution.

Risks Related to Government Regulation

If a drug delivery device in a future clinical trial similar to the drug delivery device used by Trudhesa demonstrates unanticipated biocompatibility, usability, performance or safety issues in a clinical or nonclinical study for one product candidate, our entire pipeline may be adversely affected.

Trudhesa utilizes our POD devices, which are designed to deliver the drug into the upper nasal space using a gas propellant. While our prior product candidates have been generally well tolerated in nonclinical studies and clinical trials, patients may in the future experience different or more severe adverse events due in part to our POD device. Any failure of our POD device to demonstrate adequate biocompatibility, usability, performance or safety could adversely affect the development, approval, or commercialization of Trudhesa.

If we fail to obtain regulatory approval in jurisdictions outside the United States, we will not be able to market Trudhesa in those jurisdictions.

We intend to market Trudhesa, if approved, in international markets either directly or through partnerships. Such marketing will require separate regulatory approvals in each jurisdiction and compliance with numerous and varying regulatory requirements. The approval procedures vary from jurisdiction to jurisdiction and may require additional testing that we are not required to perform to obtain regulatory approval in the United States. Moreover, the time required to obtain approval may differ from that required to obtain FDA approval. In addition, in many countries outside the United States, a product candidate must be approved for reimbursement before it can be approved for sale in that country. Approval by the FDA does not guarantee approval by regulatory authorities in other countries or jurisdictions, and approval by one foreign regulatory authority does not guarantee approval by regulatory authorities in other foreign jurisdictions or by the FDA. The foreign regulatory approval process may include all of the risks associated with obtaining FDA approval. We may not obtain foreign regulatory approvals on a timely basis, if at all. We may not be able to file for regulatory approvals and may not receive necessary approvals to commercialize Trudhesa in any foreign market. If we or any future partner are unable to

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obtain regulatory approval for Trudhesa in one or more significant foreign jurisdictions, then the commercial opportunity for Trudhesa, as well as our financial condition, will be adversely affected.

Trudhesa could be subject to labeling and other restrictions, and we may be subject to penalties if we fail to comply with regulatory requirements or experience unanticipated problems.

Any regulatory approvals that we receive for Trudhesa may also be subject to limitations on the approved indicated uses for which the product may be marketed, or to conditions of approval, or contain requirements for potentially costly post-marketing testing, including Phase 4 clinical trials, and surveillance to monitor safety and efficacy. For example, under the Pediatric Research Equity Act, we are required to conduct certain juvenile animal and pediatric studies in accordance with the timelines set forth in our Trudhesa NDA approval letter. These studies will require significant resources. We cannot predict the outcome of these studies. In addition, the manufacturing processes, labeling, packaging, distribution, adverse event, or AE, reporting, storage, advertising, promotion and recordkeeping for any approved product will be subject to extensive and ongoing regulatory requirements. These requirements include submissions of safety and other post-marketing information and reports, including reporting of certain adverse events, malfunctions, corrections and removals related to the POD device, registration, as well as continued compliance with cGMP for the drug products, the quality system regulation, or QSR, for medical devices and GCP for any clinical trials that we conduct post-approval.

Later discovery of previously unknown problems with an approved product, including AEs of unanticipated severity or frequency, or with manufacturing operations or processes, or failure to comply with regulatory requirements, may result in, among other things:

•holds on clinical trials;

•restrictions on the marketing or manufacturing of the product, withdrawal of the product from the market, or voluntary or mandatory product recalls;

•imposition of a REMS, which may include distribution or use restrictions;

•requirements to conduct additional post-market clinical trials to assess the safety of the product;

•revisions to the labeling, including limitation on approved uses or the imposition of additional warnings, contraindications or other safety information, including boxed warnings;

•manufacturing delays and supply disruptions where regulatory inspections identify observations of noncompliance requiring remediation;

•fines, warning or untitled letters;

•refusal by the FDA to approve pending applications or supplements to approved applications submitted by us, or withdrawal of product approvals;

•product seizure or detention, or refusal to permit the import or export of product candidates; and

•injunctions or the imposition of civil or criminal penalties.

We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the United States or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or not able to maintain regulatory compliance, we may lose any marketing approval that may have been obtained and we may not achieve or sustain profitability, which would adversely affect our business.

We may be subject to enforcement action by the FDA or other government agencies or competitor lawsuits or other claims, including litigation brought by the government, if we engage or are found to have engaged in improper promotion of our products.

Our promotional materials and training methods must comply with FDA and other applicable laws and regulations, including laws and regulations prohibiting marketing claims that promote the off-label use of our products or that omit material facts or make false or misleading statements about the safety or efficacy of our products. We are responsible for training our marketing and sales force not to promote any products for off-label uses, but healthcare providers may use our products off-label as the FDA does not restrict or regulate a physician’s choice of treatment within the practice of medicine. The FDA also could conclude that a claim is misleading if it determines that there are inadequate nonclinical and/or clinical data supporting the claim, or if a claim fails to reveal material facts about the safety or efficacy of our products. If the FDA determines that our promotional labeling or advertising materials promote an off-label use or make false or misleading claims, it could request that we modify our promotional materials or training content or subject us to regulatory or enforcement actions, including the issuance of an untitled letter, a warning letter, injunction, seizure, civil fines and criminal penalties.

The FDA closely regulates the pre and post-approval marketing and promotion of drugs to ensure they are promoted and marketed in compliance with the FDCA and its implementing regulations and only for the approved indications and in a manner consistent with

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the approved labeling. For example, our labeling for Trudhesa does not include any of the data from the exploratory efficacy endpoints that we evaluated in our Phase 3 safety clinical trial or contain any efficacy claims based on the results of this study. If the FDA disagrees with our claims or approach to describing the efficacy results from any data deemed as unreliable or uninterpretable, including our exploratory efficacy analyses, in our promotional materials, it may take enforcement action against us. The FDA imposes stringent restrictions on manufacturers’ communications and promotion of their products, including specific restrictions for promotions of products with boxed warnings. If we promote products in a manner inconsistent with the FDA-approved labeling or otherwise not in compliance with the FDCA or implementing regulations, we may be subject to enforcement action. Violations of the FDCA relating to improper promotion of prescription drugs may lead to warning letters, investigations, violations under federal and state healthcare fraud and abuse laws, including the False Claims Act, as well as state consumer protection laws.

It is also possible that other federal, state or foreign enforcement authorities might take action if they determine that our promotional or training materials promote an unapproved use or make false or misleading claims, which could result in significant fines or penalties. Although our policy is to refrain from statements that could be considered off-label promotion of our products or false or misleading claims, the FDA or another regulatory agency could disagree with the manner in which we advertise and promote our products. Violations of the FDCA may also lead to investigations alleging violations of federal and state health care fraud and abuse laws, as well as state consumer protection laws, which may lead to costly penalties and may adversely impact our business. Recent court decisions have impacted the FDA’s enforcement activity regarding off-label promotion in light of First Amendment considerations; however, there are still significant risks in this area, in part due to the potential for False Claims Act exposure. Competitors may also object to our promotional claims, which could lead to trade complaints to FDA or other actions related to unfair competition.

Many companies have also faced government investigations or lawsuits by whistleblowers who bring a qui tam action under the False Claims Act on behalf of themselves and the government for a variety of alleged improper marketing activities. In addition, the government and private whistleblowers have pursued False Claims Act cases against pharmaceutical companies for causing false claims to be submitted as a result of the marketing of their products for unapproved uses. If we are found to have improperly promoted our products, we may be subject to significant liability, including civil fines, criminal fines and penalties, civil damages, exclusion from federally funded healthcare programs and potential liability under the federal False Claims Act and any applicable state false claims act. In addition, we may incur liability from claims initiated under the Lanham Act or other federal and state unfair competition laws with respect to how our products are marketed and promoted. Furthermore, the off-label use of our products may increase the risk of product liability claims. The scope of potential liability with respect to any such claims, enforcement actions, or lawsuits is uncertain, and we cannot assure you that we will not receive claims from competitors or other third parties or be subject to enforcement actions in the future from regulatory agencies. Moreover, threatened or actual government enforcement actions or lawsuits by third parties could generate adverse publicity, which could decrease demand for our products and require that we devote substantial resources that could be used productively on other aspects of our business.

Our relationships with health care professionals, institutional providers, principal investigators, consultants, potential customers and third-party payors are, and will continue to be, subject, directly and indirectly, to federal and state health care fraud and abuse, false claims, marketing expenditure tracking and disclosure, government price reporting, and privacy, data protection and data security laws. If we are unable to comply, or have not fully complied, with such laws, we could face penalties, including, without limitation, civil, criminal, and administrative penalties, damages, monetary fines, disgorgement, possible exclusion from participation in Medicare, Medicaid and other federal and state health care programs, contractual damages, reputational harm, diminished profits and future earnings, and curtailment or restructuring of our operations.

Our business operations and activities may be directly or indirectly subject to various federal and state fraud and abuse laws, including, without limitation, the federal Anti-Kickback Statute and the federal False Claims Act. Our current and future arrangements with healthcare professionals, clinical investigators, CROs, third-party payors and customers may expose us to broadly applicable fraud and abuse and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through which we market, sell and distribute our products. In addition, we may be subject to laws of the federal government and state governments in which we conduct our business relating to privacy, data protection and data security with respect to patient information. The laws that may affect our ability to operate include, but are not limited to:

•the federal Anti-Kickback Statute, which prohibits, among other things, knowingly and willfully soliciting, receiving, offering or paying any remuneration (including any kickback, bribe, or rebate), directly or indirectly, overtly or covertly, in cash or in kind, to induce, or in return for, either the referral of an individual, or the purchase, lease, order or recommendation of any good, facility, item or service for which payment may be made, in whole or in part, under a federal health care program, such as the Medicare and Medicaid programs;

•federal civil and criminal false claims laws and civil monetary penalty laws, which prohibit, among other things, individuals or entities from knowingly presenting, or causing to be presented, claims for payment or approval from a federal health care program, such as Medicare, Medicaid, or other third-party payors that are false or fraudulent or knowingly making a false statement to improperly avoid, decrease or conceal an obligation to pay money to the federal government;

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•the federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, which created new federal criminal statutes that prohibit knowingly and willfully executing, or attempting to execute, a scheme to defraud any health care benefit program or obtain, by means of false or fraudulent pretenses, representations, or promises, any of the money or property owned by, or under the custody or control of, any health care benefit program, regardless of the payor (e.g., public or private) and knowingly and willfully falsifying, concealing, or covering up by any trick or device a material fact or making any materially false statements in connection with the delivery of, or payment for, health care benefits, items or services relating to health care matters;

•HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009, or HITECH, and their respective implementing regulations, which impose requirements on certain covered health care providers, health plans, and health care clearinghouses as well as their respective business associates that perform services for them that involve the use, or disclosure of, individually identifiable health information, relating to the privacy, security and transmission of individually identifiable health information without appropriate authorization;

•the federal physician self-referral law, commonly known as the Stark Law, which prohibits a physician from making a referral to an entity for certain designated health services reimbursed by Medicare or Medicaid if the physician or a member of the physician’s family has a financial relationship with the entity, and which also prohibits the submission of any claims for reimbursement for designated health services furnished pursuant to a prohibited referral;

•the federal Physician Payments Sunshine Act, created under Section 6002 of the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010, collectively, or the ACA, and its implementing regulations require manufacturers of drugs, devices, biologicals and medical supplies for which payment is available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain exceptions) to report annually to the United States Department of Health and Human Services, Centers for Medicare & Medicaid Services information related to payments or other transfers of value made to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors) physician assistants, certain types of advanced practice nurses, and teaching hospitals, including ownership and investment interests held by the physicians described above and their immediate family members, with the information made publicly available on a searchable website;

•federal consumer protection and unfair competition laws, which broadly regulate marketplace activities and activities that potentially harm consumers;

•federal government price reporting laws, changed by the ACA to, among other things, increase the minimum Medicaid rebates owed by most manufacturers under the Medicaid Drug Rebate Program and offer such rebates to additional populations, that require us to calculate and report complex pricing metrics to government programs, where such reported prices may be used in the calculation of reimbursement or discounts on our marketed drugs (participation in these programs and compliance with the applicable requirements may subject us to increased infrastructure costs, and potentially limit our ability to offer certain marketplace discounts);

•the Foreign Corrupt Practices Act, a United States law which regulates certain financial relationships with foreign government officials (which could include, for example, certain medical professionals); and

•state law equivalents and adjuncts to many of the above federal laws, such as anti-kickback, false claims, consumer protection, unfair competition, and privacy and data security laws, which may apply to our business practices, including but not limited to, research, distribution, sales and marketing arrangements; state laws that require biotech companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the relevant compliance guidance promulgated by the federal government that otherwise restricts payments that may be made to health care providers; state laws that require drug manufacturers to file reports with states regarding marketing information, such as the tracking and reporting of gifts, compensation and other remuneration and items of value provided to health care professionals and entities (compliance with such requirements may require investment in infrastructure to ensure that tracking is performed properly, and some of these laws result in the public disclosure of various types of payments and relationships, which could potentially have a negative effect on our business or increase enforcement scrutiny of our activities); state laws regarding the reporting of certain pricing information; and state laws governing the privacy and security of health information in certain circumstances, many of which differ from each other in significant ways, with differing effects and obligations.

In addition to health information privacy, data security, and data protection laws that apply to some of the patient data we hold, other privacy, data security and data protection laws may also apply to such data, as well as to the personal data of our employees and other individuals generally. Many of these laws governing privacy, data protection and cybersecurity differ from each other in significant ways and may not have the same effects or obligations, thus complicating compliance efforts. We expect to incur increased costs of compliance with such laws and regulations as they continue to evolve, as well as the increased risk of regulatory investigations, enforcement actions, and other claims and litigation, with the potential for significant fines, penalties, and other liabilities in the event of actual or alleged noncompliance. Any of these could adversely affect our business, financial condition, and results of operations.

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The ACA, among other things, amended the intent standard of the federal Anti-Kickback Statute and criminal health care fraud statutes to a stricter standard such that a person or entity no longer needs to have actual knowledge of this statute or specific intent to violate it. In addition, the ACA codified case law that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal False Claims Act.

Efforts to ensure that our business arrangements with third parties will comply with applicable health care laws may involve substantial costs. It is possible that governmental and enforcement authorities will conclude that our business practices may not comply with current or future statutes, regulations or case law interpreting applicable fraud and abuse or other health care laws and regulations. If our operations are found to be in violation of any of the laws described above or any other governmental regulations that apply to us, we may be subject to penalties, including, without limitation, civil, criminal, and administrative penalties, damages, monetary fines, disgorgement, imprisonment, loss of eligibility to obtain approvals from the FDA, qui tam actions, lawsuits, government investigations, exclusion from participation in government contracting, healthcare reimbursement, or other federal or state government healthcare programs, including Medicare and Medicaid, corporate integrity oversight and reporting obligations, contractual damages, reputational harm, diminished profits and future earnings, and curtailment or restructuring of our operations.

The impact of recent health care reform legislation and other changes in the health care industry and in healthcare spending on us is currently unknown, and may adversely affect our business model.

We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the United States or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we may lose any marketing approval that we may have obtained and we may not achieve or sustain profitability.

In the United States, there have been and continue to be a number of legislative initiatives to contain healthcare costs.

On September 9, 2021, the Biden administration published a wide-ranging list of policy proposals, most of which would need to be carried out by Congress, to reduce drug prices and drug payment. The HHS plan includes, among other reform measures, proposals to lower prescription drug prices, including by allowing Medicare to negotiate prices and disincentivizing price increases, and to support market changes that strengthen supply chains, promote biosimilars and generic drugs, and increase price transparency. These proposals recently culminated in the enactment of the IRA in August 2022, which will, among other things, allow HHS to negotiate the selling price of certain drugs and biologics that CMS reimburses under Medicare Part B and Part D, although only high-expenditure single-source drugs that have been approved for at least 7 years (11 years for biologics) can be selected by CMS for negotiation. The negotiated prices, which will first become effective in 2026, will be capped at a statutory ceiling price. Beginning in January 2023 for Medicare Part B and October 2022 for Medicare Part D, the IRA will also penalize drug manufacturers that increase prices of Medicare Part B and Part D drugs at a rate greater than the rate of inflation. The IRA permits the Secretary of HHS to implement many of these provisions through guidance, as opposed to regulation, for the initial years. Manufacturers that fail to comply with the IRA may be subject to various penalties, including civil monetary penalties. The IRA also extends enhanced subsidies for individuals purchasing health insurance coverage in ACA marketplaces through plan year 2025. These provisions will take effect progressively starting in 2023, although they may be subject to legal challenges. The full economic impact of the IRA is unknown at this time, but the law’s passage may affect the pricing of our products and product candidates. The adoption of restrictive price controls in new jurisdictions, more restrictive controls in existing jurisdictions or the failure to obtain or maintain timely or adequate pricing could also adversely impact revenue. We expect pricing pressures will continue globally.

At the state level, legislatures are increasingly passing legislation and implementing regulations designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing.

We expect that additional state and federal healthcare reform measures will be adopted in the future. Such reform measures may result in more rigorous coverage criteria and in additional downward pressure on the price that we receive for any approved product. The implementation of cost containment measures or other healthcare reforms may prevent us from being able to generate revenue, attain profitability, or commercialize Trudhesa. Complying with any new legislation and regulatory changes could be time-intensive and expensive, resulting in a material adverse effect on our business.

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Risks Related to Our Intellectual Property

If we are not able to obtain and enforce patent protection for our technologies, development and commercialization of our technology may be adversely affected.

Our success depends in part on our ability to obtain, maintain, protect and enforce patents and other forms of intellectual property rights, including in-licenses of intellectual property rights of others, our technology such as our proprietary POD nasal drug delivery platform, and methods for treating patients, as well as our ability to preserve our trade secrets, to prevent third parties from infringing upon our proprietary rights and to operate without infringing upon the proprietary rights of others. Our patent portfolio as of February 1, 2023 contained 14 U.S. issued patents and 74 patents issued in ex-U.S. jurisdictions including Australia, Belgium, Brazil, Canada, China, Switzerland, Germany, France, Great Britain, India, Israel, Italy, Japan, Mexico, Luxembourg, Netherlands, New Zealand, Spain, and South Africa and 13 U.S. pending applications as well as 67 patent applications pending in ex-U.S. jurisdictions including Australia, Brazil, Canada, Chile, China, Europe, Hong Kong, Israel, India, Japan, Korea, Mexico, New Zealand, and Singapore, owned by us. We may not be able to apply for patents on certain aspects of our technology in a timely fashion or at all. Further, we may not be able to prosecute all necessary or desirable patent applications, or maintain, enforce and license any patents that may issue from such patent applications, at a reasonable cost or in a timely manner. It is also possible that we will fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection. We may not have the right to control the preparation, filing and prosecution of any patent applications that we license from third parties, or the ability to maintain the rights to patents licensed to third parties, and should we decide to license any of our patents to third parties in the future, we may not retain sufficient rights to prosecute and enforce such patents. Our existing issued and granted patents and any future patents we obtain may not be sufficiently broad to prevent others from using our technology or from developing competing product candidates and technology. There is no guarantee that any of our pending patent applications will result in issued or granted patents, that any of our issued or granted patents will not later be found to be invalid or unenforceable or that any issued or granted patents will include claims that are sufficiently broad to cover our technology or to provide meaningful protection from our competitors. Moreover, the patent position of biotechnology and pharmaceutical companies can be highly uncertain because it involves complex legal and factual questions. We will be able to protect our proprietary rights from unauthorized use by third parties only to the extent that our current and future proprietary technology and product candidates are covered by valid and enforceable patents or are effectively maintained as trade secrets. If third parties disclose or misappropriate our proprietary rights, it may materially and adversely affect our position in the market.

The U.S. Patent and Trademark Office, or USPTO, and various foreign governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other provisions during the patent process. There are situations in which noncompliance can result in abandonment or lapse of a patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, competitors might be able to enter the market earlier than would otherwise have been the case. The standards applied by the USPTO and foreign patent offices in granting patents are not always applied uniformly or predictably. For example, there is no uniform worldwide policy regarding patentable subject matter or the scope of claims allowable in biotechnology and pharmaceutical patents. As such, we do not know the degree of future protection that we will have on our drug delivery system. Accordingly, despite our efforts, we may be unable to prevent third parties from infringing upon or misappropriating our intellectual property. While we will endeavor to try to protect our technology with intellectual property rights such as patents, as appropriate, the process of obtaining patents is time consuming, expensive and sometimes unpredictable. The failure to adequately protect our intellectual property and other proprietary rights could materially harm our business.

We may be required to spend significant resources to monitor and protect our intellectual property rights. Monitoring unauthorized uses and disclosures is difficult and we do not know whether the steps we have taken to protect our proprietary technologies will be effective. The issuance of a patent is not conclusive as to its inventorship, scope, validity, or enforceability, and our patents may be challenged in the courts or patent offices in the U.S. and abroad. Any patents that are issued may subsequently be invalidated or otherwise limited, allowing other companies to develop offerings that compete with our offerings, which could adversely affect our competitive business position, business prospects and financial condition. In addition, issuance of a patent does not guarantee that we have a right to practice the patented invention. Once granted, patents may remain open to opposition, interference, re-examination, post-grant review, inter partes review, nullification or derivation action before patent offices for a given period after allowance or grant, during which time third parties can raise objections against such initial grant, or in court. In the course of such proceedings, which may continue for a protracted period of time, the patent owner may be compelled to limit the scope of the allowed or granted claims thus attacked, or may lose the allowed or granted claims altogether.

We may be subject to claims that former employees, collaborators or other third parties have an interest in our patents, trade secrets, or other intellectual property as an inventor or co-inventor. For example, we may have inventorship disputes arise from conflicting obligations of employees, consultants or others who are involved in developing our product candidates. Litigation may be necessary to defend against these and other claims challenging inventorship or our patents, trade secrets or other intellectual property. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights, such as exclusive ownership of, or right to use, intellectual property that is important to our products. Even if we are successful in defending

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against such claims, litigation could result in substantial costs and be a distraction to management and other employees. Any of the foregoing could have a material adverse effect on our business, financial condition, and results of operations.

In addition, there can be no assurance that:

•others will not or may not be able to make, use or sell upper nasal space product candidates that are the same as or similar to any of our products but that are not covered by the claims of the patents that we own;

•we or our existing or future collaborators are the first to make the inventions covered by each of our issued patents and pending patent applications that we own;

•we, or our existing or future collaborators, are the first to file patent applications covering certain aspects of our inventions;

•others will not independently develop similar or alternative technologies or duplicate any of our technologies without infringing our intellectual property rights;

•a third party will not challenge our patents and, if challenged, a court would hold that our patents are valid, enforceable and infringed;

•any issued patents that we own or have licensed will provide us with any competitive advantages, or will not be challenged by third parties;

•we may develop additional proprietary technologies that are patentable;

•the patents of others will not have a material or adverse effect on our business, financial condition, results of operations and prospects; and

•our competitors do not conduct research and development activities in countries where we do not have enforceable patent rights and then use the information learned from such activities to develop competitive products for sale in our major commercial markets.

If we, our licensor or collaborators fail to maintain the patents and patent applications covering our technology, our competitors might be able to enter the market, which could have a material and adverse effect on our business, financial condition, results of operations and prospects.

If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed.

In addition to seeking patent protection for certain aspects of our technology, we also consider trade secrets, including confidential and unpatented know-how, important to the maintenance of our competitive position. We protect trade secrets and confidential and unpatented know-how, in part, by entering into non-disclosure and confidentiality agreements with parties who have access to such knowledge, such as our employees, corporate collaborators, outside scientific collaborators, CROs, CMOs, consultants, advisors and other third parties. We also enter into confidentiality and invention or patent assignment agreements with our employees and consultants that obligate them to maintain confidentiality and assign their inventions to us. Despite these efforts, we cannot be certain that such agreements have been entered into with all relevant parties. In addition, any of these parties may breach the agreements and disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming, and the outcome is unpredictable. In addition, some courts in the United States and certain foreign jurisdictions are less willing or unwilling to protect trade secrets. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor, we would have no right to prevent them from using that technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed by a competitor, our competitive position would be harmed which could have a material and adverse effect on our business, financial condition, results of operations and prospects.

Other companies or organizations may challenge our or our licensor’s patent rights.

The issued patents and pending patent applications in the United States and in key markets around the world that we own or license claim many different devices, compositions and methods, including processes relating to the discovery, development, manufacture and commercialization of upper nasal space drug delivery. As the field of upper nasal space drug delivery continues to mature, patent applications are being processed by national patent offices around the world. There is uncertainty about which patents will issue and, if they do, as to when, to whom, and with what claims. In addition, third parties may attempt to invalidate our intellectual property rights. Even if our rights are not directly challenged, disputes could lead to the weakening of our intellectual property rights. Our defense against any attempt by third parties to circumvent or invalidate our intellectual property rights could be costly to us, could require significant time and attention of our management and could have a material and adverse effect on our business, financial condition, results of operations and prospects or our ability to successfully compete.

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We may not be able to protect our intellectual property rights throughout the world.

Obtaining a valid and enforceable issued or granted patent covering our technology in the United States and worldwide can be extremely costly, and our or our licensors' or collaborators’ intellectual property rights may not exist in some countries outside the United States or may be less extensive in some countries than in the United States. In jurisdictions where we or our licensor or collaborators have not obtained patent protection, competitors may seek to use our or their technology to develop their own products and further, may export otherwise infringing products to territories where we or they have patent protection, but where it is more difficult to enforce a patent as compared to the United States. Competitor products may compete with our products in jurisdictions where we do not have issued or granted patents or where our or our licensors' or collaborators’ issued or granted patent claims or other intellectual property rights are not sufficient to prevent competitor activities in these jurisdictions. The legal systems of certain countries, particularly certain developing countries, make it difficult to enforce patents and such countries may not recognize other types of intellectual property protection, particularly relating to pharmaceuticals. This could make it difficult for us or our licensor or collaborators to prevent the infringement of our or their patents or marketing of competing products in violation of our or their proprietary rights generally in certain jurisdictions. Proceedings to enforce our patent rights in foreign jurisdictions could result in substantial cost and divert our and our licensor’s or collaborators’ efforts and attention from other aspects of our business, could put our and our licensor’s or collaborators’ patents at risk of being invalidated or interpreted narrowly, and our and our licensor’s or collaborators’ patent applications at risk of not issuing and could provoke third parties to assert claims against us or our licensor or collaborators. We or our licensor or collaborators may not prevail in any lawsuits that we or our licensor or collaborators initiate, and the damages or other remedies awarded, if any, may not be commercially meaningful.

We have so far not filed for patent protection in all national and regional jurisdictions where such protection may be available. In addition, we may decide to abandon national and regional patent applications before grant. Finally, the grant proceeding of each national or regional patent is an independent proceeding which may lead to situations in which applications might in some jurisdictions be refused by the relevant registration authorities, while granted by others. It is also quite common that depending on the country, various scopes of patent protection may be granted on the same product candidate or technology.

The laws of some jurisdictions do not protect intellectual property rights to the same extent as the laws in the United States, and many companies have encountered significant difficulties in protecting and defending such rights in such jurisdictions. If we or our licensor or collaborators encounter difficulties in protecting, or are otherwise precluded from effectively protecting, the intellectual property rights important for our business in such jurisdictions, the value of these rights may be diminished and we may face additional competition from others in those jurisdictions. Many countries have compulsory licensing laws under which a patent owner may be compelled to grant licenses to third parties. In addition, many countries limit the enforceability of patents against government agencies or government contractors. In these countries, the patent owner may have limited remedies, which could materially diminish the value of such patent. If we or any of our licensor or collaborators are forced to grant a license to third parties with respect to any patents relevant to our business, our competitive position in the relevant jurisdiction may be impaired and our business, financial condition, results of operations and prospects may be adversely affected.

We, our collaborators, or any future strategic partners may need to resort to litigation to protect or enforce our patents or other proprietary rights, all of which could be costly, time consuming, delay or prevent the development and commercialization of our technology, or put our patents and other proprietary rights at risk.

Competitors may infringe our patents or other intellectual property. If we were to initiate legal proceedings against a third party to enforce a patent covering our technology, the defendant could counterclaim that our patent is invalid or unenforceable. In patent litigation in the United States, defendant counterclaims alleging invalidity or unenforceability are commonplace. Grounds for a validity challenge could be an alleged failure to meet any of several statutory requirements, for example, lack of novelty, obviousness or non-enablement. Grounds for an unenforceability assertion could be an allegation that an individual connected with prosecution of the patent withheld information material to patentability from the USPTO, or made a materially misleading statement, during prosecution. The outcome following legal assertions of invalidity and unenforceability during patent litigation is unpredictable. With respect to the validity question, for example, we cannot be certain that there is no invalidating prior art, of which we and the patent examiner were unaware during prosecution. If a defendant were to prevail on a legal assertion of invalidity or unenforceability, we would lose at least part, and perhaps all, of the patent protection on certain aspects of our platform technology. Such a loss of patent protection could have a material and adverse effect on our business, financial condition, results of operations and prospects.

Interference or derivation proceedings provoked by third parties or brought by us or declared by the USPTO may be necessary to determine the priority of inventions with respect to our patents or patent applications. An unfavorable outcome could require us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our business could be harmed if the prevailing party does not offer us a license on commercially reasonable terms or at all, or if a non-exclusive license is offered and our competitors gain access to the same technology. Furthermore, because of the substantial amount of discovery required in connection with intellectual

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property litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of litigation. There could also be public announcements of the results of hearings, motions, or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of our common stock. Patents and other intellectual property rights also will not protect our technology if competitors design around our protected technology without legally infringing our patents or other intellectual property rights.

Intellectual property rights of third parties could adversely affect our ability to commercialize our technology, and we, our licensor or collaborators, or any future strategic partners may become subject to third party claims or litigation alleging infringement of patents or other proprietary rights or seeking to invalidate patents or other proprietary rights. We might be required to litigate or obtain licenses from third parties in order to develop or market our technology. Such litigation or licenses could be costly or not available on commercially reasonable terms.

We, our collaborators, or any future strategic partners may be subject to third-party claims for infringement or misappropriation of patent or other proprietary rights. There is a substantial amount of litigation, both within and outside the United States, involving patent and other intellectual property rights in the biotechnology and pharmaceutical industries, including patent infringement lawsuits, interferences, oppositions, post grant review and inter partes review proceedings before the USPTO, and corresponding foreign patent offices. We have previously received communications from third parties claiming that our technology infringes on their patents. While we do not believe that these claims have merit, we cannot be certain that these third parties would not pursue infringement claims against us. There are issued and pending patents that might claim aspects of our technology, and modifications that we may need to apply to our technology. Thus, it is possible that one or more individuals or organizations will hold patent rights to which we will need a license. If those individuals or organizations refuse to grant us a license to such patent rights or refuse to grant us a license on reasonable terms, we may not be able to market product candidates or perform research and development or other activities covered by these patents which could have a material and adverse effect on our business, financial condition, results of operations and prospects. We are obligated under certain of our license and collaboration agreements to indemnify and hold harmless our licensor or collaborators for damages arising from intellectual property infringement by us. If we, our licensor or collaborators, or any future strategic partners are found to infringe a third-party patent or other intellectual property rights, we could be required to pay damages, potentially including treble damages, if we are found to have infringed willfully. In addition, we, our licensor or collaborators, or any future strategic partners may choose to seek, or be required to seek, a license from a third party, which may not be available on acceptable terms, if at all. Even if a license can be obtained on acceptable terms, the rights may be non-exclusive, which could give our competitors access to the same technology or intellectual property rights licensed to us. If we fail to obtain a required license, we or our existing or future collaborators may be unable to effectively market our technology, which could limit our ability to generate revenue or achieve profitability and possibly prevent us from generating revenue sufficient to sustain our operations. In addition, we may find it necessary to pursue claims or initiate lawsuits to protect or enforce our patent or other intellectual property rights. The cost to us in defending or initiating any litigation or other proceeding relating to patent or other proprietary rights, even if resolved in our favor, could be substantial, and litigation could divert our management’s attention. Some of our competitors may be able to sustain the costs of complex patent litigation more effectively than we can because they have substantially greater resources. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings could delay our research and development efforts and limit our ability to continue our operations.

Because the upper nasal space therapeutics landscape is still evolving, it is difficult to conclusively assess our freedom to operate without infringing on third-party rights. Our competitive position may suffer if patents issued to third parties or other third-party intellectual property rights cover our technology or elements thereof, or our manufacture or uses relevant to our development plans. In such cases, we may not be in a position to develop or commercialize our technology until such patents expire or unless we successfully pursue litigation to nullify or invalidate the third-party intellectual property right concerned, or enter into a license agreement with the intellectual property right holder, if available on commercially reasonable terms. There may be issued patents held by third parties of which we are not aware that, if found to be valid and enforceable, could be alleged to be infringed by our POD nasal drug delivery platform and related technologies. There also may be pending patent applications of which we are not aware that may result in issued patents, which could be alleged to be infringed by our POD nasal drug delivery platform and related technologies. If such an infringement claim should be brought and be successful, we may be required to pay substantial damages, including potentially treble damages and attorneys’ fees for willful infringement, and we may be forced to abandon our technology or seek a license from any patent holders. No assurances can be given that a license will be available on commercially reasonable terms, if at all.

It is also possible that we have failed to identify relevant third-party patents or applications. For example, U.S. applications filed before November 29, 2000 and certain U.S. applications filed after that date that will not be filed outside the United States remain confidential until patents issue. Patent applications in the United States and elsewhere are published approximately 18 months after the earliest filing for which priority is claimed, with such earliest filing date being commonly referred to as the priority date. Therefore, patent applications covering any future platform technology could have been filed by others without our knowledge. Additionally, pending patent applications that have been published can, subject to certain limitations, be later amended in a manner that could cover our platform technology. Third-party intellectual property right holders may also actively bring infringement claims against us. We cannot guarantee that we will be able to successfully settle or otherwise resolve such infringement claims. If we are unable to successfully settle future claims on terms acceptable to us, we may be required to engage in or continue costly, unpredictable and time-consuming

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litigation. Parties making claims against us may be able to sustain the costs of complex patent litigation more effectively than we can because they have substantially greater resources. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation or administrative proceedings, there is a risk that some of our confidential information could be compromised by disclosure. In addition, any uncertainties resulting from the initiation and continuation of any litigation could have material adverse effect on our ability to raise additional funds or otherwise have a material adverse effect on our business, results of operations, financial condition and prospects. If we fail in any such dispute, in addition to being forced to pay damages, we may be temporarily or permanently prohibited from commercializing any of our technology that are held to be infringing. We might, if possible, also be forced to redesign our technology so that we no longer infringe the third-party intellectual property rights. Any of these events, even if we were ultimately to prevail, could require us to divert substantial financial and management resources that we would otherwise be able to devote to our business and could have a material and adverse effect on our business, financial condition, results of operations and prospects.

Intellectual property litigation could cause us to spend substantial resources and distract our personnel from their normal responsibilities.

Litigation or other legal proceedings relating to intellectual property claims, with or without merit, is unpredictable and generally expensive and time consuming and is likely to divert significant resources from our core business, including distracting our technical and management personnel from their normal responsibilities. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of litigation. In addition, there could be public announcements of the results of hearings, motions or other interim proceedings or developments and if securities analysts or investors perceive these results to be negative, it could have a substantial adverse effect on the price of our common stock. Moreover, such litigation or proceedings could substantially increase our operating losses and reduce the resources available for development activities or any future sales, marketing or distribution activities.

We may not have sufficient financial or other resources to adequately conduct such litigation or proceedings. Some of our competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can because of their greater financial resources and more mature and developed intellectual property portfolios. Accordingly, despite our efforts, we may not be able to prevent third parties from infringing upon or misappropriating or from successfully challenging our intellectual property rights. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings could have a material adverse effect on our ability to compete in the marketplace.

We may be subject to claims that we or our employees, consultants or independent contractors have wrongfully used or disclosed confidential information or alleged trade secrets of third parties or their former employers. These claims may be costly to defend and if we do not successfully do so, we may be required to pay monetary damages and may lose valuable intellectual property rights or personnel.

Many of our employees were previously employed at universities or biotechnology or pharmaceutical companies, including our competitors or potential competitors. Although no claims against us are currently pending, we may be subject to claims that these employees or we have inadvertently or otherwise used or disclosed trade secrets or other proprietary information of their former employers. Litigation may be necessary to defend against these claims. If we fail in defending such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights or personnel. A loss of key research personnel or their work product could hamper our ability to commercialize, or prevent us from commercializing, our technology, which could severely harm our business. Even if we are successful in defending against these claims, litigation could result in substantial costs and be a distraction to management.

Patent terms may be inadequate to protect our competitive position on our technology for an adequate amount of time.

Patents have a limited lifespan. In the United States, if all maintenance fees are timely paid, the natural expiration of a patent is generally 20 years from its earliest U.S. non-provisional filing date. Various extensions may be available, but the life of a patent, and the protection it affords, is limited. Even if patents covering our technology are obtained, once the patent life has expired, we may be open to competition from competitive products, including generics or biosimilars. Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. As a result, our owned and licensed patent portfolio may not provide us with sufficient rights to exclude others from commercializing products similar or identical to our products.

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Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.

Periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents or applications will be due to be paid to the USPTO and various governmental patent agencies outside of the United States in several stages over the lifetime of the patents or applications. We have systems in place to remind us to pay these fees, and we employ an outside firm or rely on our outside counsel to pay these fees due to the USPTO and non-U.S. patent agencies. The USPTO and various non-U.S. governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other similar provisions during the patent application process. We employ reputable law firms and other professionals to help us comply, and in many cases, an inadvertent lapse can be cured by payment of a late fee or by other means in accordance with the applicable rules. However, there are situations in which non-compliance can result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, our competitors might be able to enter the market and this circumstance would have a material adverse effect on our business.

Changes in U.S. patent and ex-U.S. patent laws could diminish the value of patents in general.

Changes in either the patent laws or interpretation of the patent laws in the United States or in other ex-U.S. jurisdictions could increase the uncertainties and costs surrounding the prosecution of patent applications and the enforcement or defense of issued patents. In the United States, numerous recent changes to the patent laws and proposed changes to the rules of the USPTO may have a significant impact on our ability to protect our technology and enforce our intellectual property rights. Additionally, the U.S. Supreme Court has ruled on several patent cases in recent years, some of which cases either narrow the scope of patent protection available in certain circumstances or weaken the rights of patent owners in certain situations. For example, the decision by the U.S. Supreme Court in Association for Molecular Pathology v. Myriad Genetics, Inc. precludes a claim to a nucleic acid having a stated nucleotide sequence that is identical to a sequence found in nature and unmodified. We currently are not aware of an immediate impact of this decision on our patents or patent applications because we may develop product candidates that contain modifications that we believe are not found in nature. However, this decision has yet to be unambiguously interpreted by courts and by the USPTO. We cannot assure you that the interpretations of this decision or subsequent rulings will not adversely impact our patents or patent applications. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination of events has created uncertainty with respect to the value of patents, once obtained. Depending on decisions by the U.S. Congress, the federal courts and the USPTO, and similar legislative and regulatory bodies in other countries in which may pursue patent protection, the laws and regulations governing patents could change in unpredictable ways that would weaken our ability to obtain new patents or to enforce our existing patents and patents that we might obtain in the future.

After March 2013, under the Leahy-Smith America Invents Act, or the America Invents Act, enacted in September 2011, the U.S. transitioned to a first inventor to file system in which, assuming that other requirements for patentability are met, the first inventor to file a patent application will be entitled to the patent on an invention regardless of whether a third party was the first to invent the claimed invention. Assuming that other requirements for patentability are met, prior to March 2013, in the U.S., the first to invent the claimed invention was entitled to the patent, while outside the U.S., the first to file a patent application was entitled to the patent. A third party that files a patent application in the USPTO after March 2013, but before we do, could therefore be awarded a patent covering an invention of ours even if we had made the invention before it was made by such third party. This will require us to be cognizant going forward of the time from invention to filing of a patent application. Since patent applications in the U.S. and most other countries are confidential for a period of time after filing or until issuance, we cannot be certain that we were the first to invent any of the inventions claimed in our patents or patent applications. The America Invents Act also includes a number of significant changes that affect the way patent applications will be prosecuted and also may affect patent litigation. These include allowing third-party submission of prior art to the USPTO during patent prosecution and additional procedures to attack the validity of a patent by USPTO administered post-grant proceedings, including post-grant review, inter partes review, and derivation proceedings. Because of a lower evidentiary standard in USPTO proceedings compared to the evidentiary standard in U.S. federal courts necessary to invalidate a patent claim, a third party could potentially provide evidence in a USPTO proceeding sufficient for the USPTO to hold a claim invalid even though the same evidence would be insufficient to invalidate the claim if first presented in a district court action. Accordingly, a third party may attempt to use the USPTO procedures to invalidate our patent claims that would not have been invalidated if first challenged by the third party as a defendant in a district court action. Therefore, the America Invents Act and its implementation could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of our issued patents, all of which could have a material adverse effect on our business, financial condition, and results of operations.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of interest and our business may be adversely affected.

Our trademarks or trade names may be challenged, infringed, circumvented or declared generic or determined to be infringing on other marks. We may not be able to protect our rights to these trademarks and trade names or may be forced to stop using these names,

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which we need for name recognition by potential partners or customers in our markets of interest. If we are unable to establish name recognition based on our trademarks and trade names, we may not be able to compete effectively which could have a material and adverse effect on our business, financial condition, results of operations and prospects.

Risks Related to Our Employee Matters, Managing Growth and Other Risks Related to Our Business

If we fail to retain the remaining members of senior management and other key personnel, we may be unable to continue operations, meet sales milestones and complete our strategic review process.

We are highly dependent on members of our senior management, including Leonard Paolillo, our Chief Commercial Officer and effective November 4, 2023, our Interim President and Chief Executive Officer, following the resignation, effective November 3, 2023, of Adrian Adams, our Chairman and Chief Executive Officer, Michael Kalb, Chief Financial Officer, and John Hoekman, Ph.D., Chief Technology and Development Officer and one of our founders. Although we have entered into employment agreements and retention agreements with each of our executive officers, each of these persons may terminate their employment with us at any time. We do not maintain “key person” insurance for any of our executives or other employees.

The loss of the services of any of our executive officers or other key employees could impede our ability to successfully implement our business strategy. The reduction in employee and non-employee expenses announced in February 2023, and our ongoing liquidity issues makes retention of our current personnel both more important and more challenging. In particular, we are seeing increased loss of sales representatives, limiting our ability to meet our sales goals and revenue targets. We have also seen significant attrition in our finance and related functions significantly limiting various aspects of our ongoing operations. We do not intend to fill these vacated positions for the foreseeable future and, as a result, retaining our current sales personnel will be critical to our immediate success.

We incur increased costs as a result of operating as a public company, and our management is required to devote substantial time to compliance initiatives and corporate governance practices.

As a public company, and particularly after we are no longer an emerging growth company, we will continue to incur significant legal, accounting and other expenses on an ongoing basis that we did not incur as a private company. The Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, the listing requirements of Nasdaq, and other applicable securities rules and regulations impose various requirements on public companies, including establishment and maintenance of effective disclosure and financial controls and corporate governance practices. We will need to hire additional accounting, finance and other personnel and make further investments in processes and systems in connection with these ongoing efforts. Our management and other personnel devote a substantial amount of time to these compliance initiatives. Moreover, we expect these rules and regulations to substantially increase our legal and financial compliance costs and to make some activities more time consuming and costly. For example, we expect that these rules and regulations may make it more difficult and more expensive for us to obtain director and officer liability insurance and we may be required to incur substantial costs to maintain sufficient coverage. We cannot predict or estimate the amount or timing of additional costs we may incur to respond to these requirements and future changes to such requirements. The impact of these requirements could also make it more difficult for us to attract and retain qualified persons to serve on our board of directors, our board committees or as executive officers. Moreover, these rules and regulations are often subject to varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new guidance is provided by regulatory and governing bodies. This could result in continuing uncertainty regarding compliance matters and higher costs necessitated by ongoing revisions to disclosure and governance practices.

Pursuant to Section 404, we are required to furnish a report by our management on our internal control over financial reporting. However, while we remain an emerging growth company or a non-accelerated filer, we will not be required to include an attestation report on internal control over financial reporting issued by our independent registered public accounting firm. To achieve compliance with Section 404 within the prescribed period, we will be engaged in a process to document and evaluate our internal control over financial reporting, which is both costly and challenging. In this regard, we will need to continue to dedicate internal resources, potentially engage outside consultants and adopt a detailed work plan to assess and document the adequacy of internal control over financial reporting, continue steps to improve control processes as appropriate, validate through testing that controls are functioning as documented and implement a continuous reporting and improvement process for internal control over financial reporting. Despite our efforts, there is a risk that we will not be able to conclude, within the prescribed timeframe or at all, that our internal control over financial reporting is effective as required by Section 404. If we identify one or more material weaknesses, it could result in an adverse reaction in the financial markets due to a loss of confidence in the reliability of our financial statements. In addition, if we are not able to continue to meet these requirements, we may not be able to remain listed on Nasdaq.

Further, if we seek relief under Chapter 11 of the U.S. Bankruptcy Code, we will incur substantial additional professional service fees to assist us through such process. Such fees may be substantial and materially limit potential recovery, if any, for holders of our common stock in a bankruptcy proceeding.

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Our employees may engage in misconduct or other improper activities, including noncompliance with regulatory standards and requirements and insider trading.

We are exposed to the risk of employee fraud or other misconduct. Misconduct by employees could include intentional failures to comply with FDA regulations, to provide accurate information to the FDA, to comply with manufacturing standards we have established, to comply with federal and state health care fraud and abuse laws and regulations, to report financial information or data accurately or to disclose unauthorized activities to us. In particular, sales, marketing and business arrangements in the health care industry are subject to extensive laws and regulations intended to prevent fraud, kickbacks, self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range of pricing, discounting, marketing and promotion, sales commission, customer incentive programs and other business arrangements. Employee misconduct could also involve the improper use of information obtained in the course of clinical trials, which could result in regulatory sanctions and serious harm to our reputation. Employees may also misappropriate information in violation of applicable insider trading laws, which could also seriously harm our reputation even if we are not deemed to be at fault. It is not always possible to identify and deter employee misconduct, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with such laws or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on our business, including the imposition of civil, criminal and administrative penalties, damages, monetary fines, disgorgement, possible exclusion from participation in Medicare, Medicaid and other federal health care programs, contractual damages, reputational harm, diminished profits and future earnings, and curtailment or restructuring of our operations, any of which could adversely affect our ability to operate our business and our results of operations.

If product liability lawsuits are brought against us, we may incur substantial liabilities.

We face an inherent risk of product liability as a result of the commercial sale of Trudhesa. For example, we may be sued if any product we develop allegedly causes injury or is found to be otherwise unsuitable during product testing, manufacturing, marketing or sale. Any such product liability claims may include allegations of defects in manufacturing, defects in design, a failure to warn of dangers inherent in the product, negligence, strict liability, and a breach of warranties. Claims could also be asserted under state consumer protection acts. If we cannot successfully defend ourselves against product liability claims, we may incur substantial liabilities. Even a successful defense would require significant financial and management resources.

Regardless of the merits or eventual outcome, liability claims may result in:

•injury to our reputation;

•withdrawal of clinical trial participants;

•costs to defend the related litigations;

•a diversion of management’s time and our resources;

•substantial monetary awards to trial participants or patients;

•product recalls, withdrawals, or labeling, marketing or promotional restrictions;

•loss of revenue; and

•a decline in our stock price.

Failure to obtain and retain sufficient product liability insurance at an acceptable cost to protect against potential product liability claims could prevent or inhibit the commercialization of our products. We currently carry product liability insurance covering the commercial sale of Trudhesa and our clinical trials. Although we maintain such insurance, any claim that may be brought against us could result in a court judgment or settlement in an amount that is not covered, in whole or in part, by our insurance or that is in excess of the limits of our insurance coverage. Our insurance policies also have various exclusions, and we may be subject to a product liability claim for which we have no coverage. We will have to pay any amounts awarded by a court or negotiated in a settlement that exceed our coverage limitations or that are not covered by our insurance, and we may not have, or be able to obtain, sufficient capital to pay such amounts. If we are unable to obtain or maintain sufficient insurance coverage at an acceptable cost or to otherwise protect against potential product liability claims, we could adversely affect our business, financial condition, and results of operations.

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The security of the information technology systems used in our business may be compromised, and confidential information, including non-public personal information, could be improperly disclosed.

Our information technology systems, and those of our contractors, service providers and consultants, may be vulnerable to physical or electronic intrusions, computer viruses or other attacks, as well as employee, vendor, or contractor errors or malfeasance. As part of our business, we and our contractors and consultants maintain large amounts of confidential information, including non-public personal information on patients and our employees. Breaches in security and other information security events and incidents, including from ransomware, other malicious code, and other cyberattacks, could result in interruption to our systems and operations, or those of our contractors, consultants or our respective service providers, and the loss, unavailability, and unauthorized modification, use, acquisition or disclosure of information, including information subject to intellectual property protection or for which the loss or other compromise of such information may lead to the loss of intellectual property protection. Any such breach or other incident may result in significant costs to remediate and otherwise respond, including efforts to analyze, correct, eliminate, remediate or work around deficiencies in our systems or our security measures, recover and validate data, and to address any applicable legal or contractual obligations. Further, any actual or perceived breach in security or security incident may result in potential regulatory actions or litigation, including material claims for damages, interruption to our operations, delays in regulatory filings and approvals, damage to our reputation or otherwise have a material adverse effect on our business, financial condition and operating results. Like many businesses, we have been in the past, and may again be in the future, subject to phishing attacks. In 2018 we experienced a successful phishing attack. While we were able to swiftly contain and remediate this incident, without a material impact to our business, there can be no assurances that we will be able to defend against or successfully remediate any such attacks that may occur in the future. Further, companies have experienced an increase in phishing and social engineering attacks from third parties, including in connection with the recent COVID-19 pandemic. Also, due to the COVID-19 pandemic, the majority of our employees continue to work remotely as of September 30, 2023. As a result, we may have increased cybersecurity and data security risks, due to increased use of home wi-fi networks and virtual private networks, as well as increased disbursement of physical machines. While we have implemented IT controls to reduce the risk of a cybersecurity or data security breach or incident, there is no guarantee that these measures will be adequate to safeguard all systems, especially with an increased number of employees working remotely. While we expect to implement and maintain appropriate information security policies and systems in order to prevent unauthorized loss, unavailability, modification, use or disclosure of confidential information, including non-public personal information and other information relating to individuals, there can be no assurance that any such loss, unavailability, modification, use or disclosure will not occur. We incur significant costs in an effort to detect and prevent security breaches and other security-related incidents and we expect our costs will increase as we make improvements to our systems, policies and processes to prevent further breaches and incidents. In the event of a future breach or incident, we could be required to expend additional significant capital and other resources in an effort to prevent further breaches or incidents, which may require us to divert substantial resources. Moreover, we could be required or otherwise find it appropriate to expend significant capital and other resources to respond to, notify third parties of, and otherwise address the incident or breach and its root cause. Each of these could require us to divert substantial resources.

While we maintain insurance with respect to cybersecurity, our insurance may be insufficient to cover all liabilities incurred by us in connection with any privacy or cybersecurity incidents. We also cannot be certain that any insurance coverage will be adequate for data handling or data security liabilities actually incurred, that insurance will continue to be available to us on economically reasonable terms, or at all, or that any insurer will not deny coverage as to any future claim. The successful assertion of one or more large claims against us that exceed available insurance coverage, or the occurrence of changes in our insurance policies, including premium increases or the imposition of large deductible or co-insurance requirements, could have a material adverse effect on our business, including our financial condition, operating results and reputation.

Our ability to utilize our net operating loss carryforwards and certain other tax attributes may be limited.

We have incurred substantial losses during our history and do not expect to become profitable in the near future, and we may never achieve profitability. Unused losses incurred in taxable years beginning on or prior to December 31, 2017, will carry forward to offset future taxable income, if any, until such unused losses expire. Under the Tax Reform Act, as modified by the Coronavirus Aid, Relief and Economic Security Act, or the CARES Act, unused U.S. federal net operating losses generated in tax years beginning after December 31, 2017, will not expire and may be carried forward indefinitely but the deductibility of such federal net operating losses is limited to 80% of current year taxable income in taxable years beginning after December 31, 2020. As a result, our net operating loss carryforwards generated in taxable years beginning on or before December 31, 2017, may expire prior to being used, and the deductibility of our net operating loss carryforwards generated in taxable years beginning after December 31, 2017 in taxable years beginning after December 31, 2020, may be limited. It is uncertain if and to what extent various states will conform to the Tax Reform Act or the CARES Act. In addition, both our current and our future unused losses and other tax attributes may be subject to limitation under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended (the Code) if we undergo, or have undergone, an “ownership change,” generally defined as a greater than 50 percentage point change (by value) in our equity ownership by certain stockholders over a three-year period. We have not completed a Section 382 study to assess whether an ownership change has occurred or whether there have been multiple ownership changes since our formation due to the complexity and cost associated with such a study and the fact that there may be additional ownership changes in the future. If we undergo an ownership change (or if we previously underwent such an

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ownership change), our ability to use all of our pre-change net operating loss carryforwards and other pre-change tax attributes (such as research tax credits) to offset our post-change income or taxes may be limited. Similar provisions of state tax law may also apply to limit our use of accumulated state tax attributes. In addition, at the state level, there may be periods during which the use of net operating losses is suspended or otherwise limited, which could accelerate or permanently increase state taxes owed. As a result, even if we attain profitability, we may be unable to use all or a material portion of our net operating losses and other tax attributes, which could adversely affect our future cash flows.

Changes in U.S. tax law could adversely affect our financial condition and results of operations.

The rules dealing with U.S. federal, state, and local income taxation are constantly under review by persons involved in the legislative process and by the Internal Revenue Service, or IRS, and the U.S. Treasury Department. Changes to tax laws (which changes may have retroactive application) could adversely affect us or holders of our common stock. In recent years, many such changes have been made and changes are likely to continue to occur in the future. For example, on March 27, 2020, the CARES Act was enacted, which included certain changes in tax law intended to stimulate the U.S. economy in light of the COVID-19 coronavirus outbreak, including temporary beneficial changes to the treatment of net operating losses, interest deductibility limitations and payroll tax matters. Future changes in U.S. tax laws could have a material adverse effect on our business, cash flow, financial condition or results of operations. We urge investors to consult with their legal and tax advisors regarding the implications of potential changes in U.S. tax laws on an investment in our common stock.

Risks Related to Our Common Stock

The market price of our common stock may be volatile.

The market price of our common stock has been and may continue to be volatile. The market price for our common stock may be influenced by many factors, including the other risks described in this section and the following:

•actual or anticipated variations in our financial results or those of companies that are perceived to be similar to us;

•the success of our efforts to acquire or in-license additional technologies, products or product candidates;

•developments concerning any future collaborations, including but not limited to those with our sources of manufacturing supply and our commercialization partners;

•market conditions in the life sciences and pharmaceutical sectors;

•announcements by us or our competitors of significant acquisitions, strategic collaborations, joint ventures or capital commitments;

•developments or disputes concerning patents or other proprietary rights, including patents, litigation matters and our ability to obtain patent protection for any future product candidates and products;

•our ability or inability to raise additional capital and the terms on which we raise it;

•the recruitment or departure of key personnel;

•receipt of marketing approval for any future product candidates;

•results of nonclinical studies and clinical trials of any future product candidates, or those of our competitors or our existing or future collaborators;

•introductions and announcements of new product candidates by us, our future commercialization partners, or our competitors, and the timing of these introductions or announcements;

•regulatory or legal developments in the United States and other countries, especially changes in laws or regulations applicable to any future product candidates;

•material and adverse impact of the COVID-19 pandemic on the markets and the broader global economy;

•the success of competitive products or technologies;

•actions taken by regulatory agencies with respect to any future product candidates, clinical trials, manufacturing process or sales and marketing terms;

•changes in the structure of healthcare payment systems;

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•actual or anticipated changes in earnings estimates or changes in stock market analyst recommendations regarding our common stock, other comparable companies or our industry generally;

•our failure or the failure of our competitors to meet analysts’ projections or guidance that we or our competitors may give to the market;

•fluctuations in the valuation of companies perceived by investors to be comparable to us;

•announcement and expectation of additional financing efforts;

•speculation in the press or investment community;

•trading volume of our common stock;

•sales of our common stock by us or our stockholders;

•the concentration in ownership of our common stock;

•changes in accounting principles;

•potential litigation or the threat thereof;

•terrorist acts, acts of war or periods of widespread civil unrest;

•natural disasters and other calamities; and

•general economic, industry and market conditions.

In addition, the stock market in general, and the markets for pharmaceutical and medical device stocks in particular, have experienced extreme price and volume fluctuations that have been often unrelated or disproportionate to the operating performance of these companies, including as a result of the COVID-19 pandemic. These broad market and industry factors may seriously harm the market price of our common stock, regardless of our actual operating performance. The realization of any of the above risks or any of a broad range of other risks, including those described in this “Risk Factors” section, could have a dramatic and adverse impact on the market price of our common stock.

Our principal stockholders and management own a significant percentage of our stock and will be able to exert significant control over matters subject to stockholder approval.

As of September 30, 2023, our executive officers, directors and their respective affiliates owned a substantial portion of our voting stock. As a result, these stockholders, if acting together, have significant influence over the outcome of corporate actions requiring stockholder approval, including the election of directors, amendment of our organizational documents, any merger, consolidation or sale of all or substantially all of our assets and any other significant corporate transaction. The interests of these stockholders may not be the same as or may even conflict with your interests. For example, these stockholders could delay or prevent a change of control of our company, even if such a change of control would benefit our other stockholders, which could deprive our stockholders of an opportunity to receive a premium for their common stock as part of a sale of our company or our assets and might affect the prevailing market price of our common stock. The significant concentration of stock ownership may adversely affect the trading price of our common stock due to investors’ perception that conflicts of interest may exist or arise.

We are an “emerging growth company” and we cannot be certain if the reduced reporting requirements applicable to emerging growth companies will make our common stock less attractive to investors.

We are an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012, or 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 that are not emerging growth companies, including (i) not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, (ii) reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements and (iii) exemptions from the requirements of holding nonbinding advisory stockholder votes on executive compensation and stockholder approval of any golden parachute payments not approved previously. In addition, as an emerging growth company, we are only required to provide two years of audited financial statements and two years of selected financial data in the annual reports.

We could be an emerging growth company until December 31, 2026, although circumstances could cause us to lose that status earlier, including if we are deemed to be a “large accelerated filer,” which occurs when the market value of our common stock that is held by non-affiliates exceeds $700 million as of the prior September 30, or if we have total annual gross revenue of $1.07 billion or more during any fiscal year before that time, in which cases we would no longer be an emerging growth company as of the following

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December 31, or if we issue more than $1.0 billion in non-convertible debt during any three-year period before that time, in which case we would no longer be an emerging growth company immediately. Even after we no longer qualify as an emerging growth company, we may still qualify as a “smaller reporting company,” which would allow us to take advantage of many of the same exemptions from disclosure requirements, including not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act and reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements. We cannot predict if investors will find our common stock less attractive because we may rely on these exemptions. If some investors find our common stock less attractive as a result, there may be a less active trading market for our common stock and our share price may be more volatile.

Under the JOBS Act, emerging growth companies can also delay adopting new or revised accounting standards until such time as those standards apply to private companies. We have elected to take advantage of the benefits of this extended transition period. Our financial statements may therefore not be comparable to those of companies that comply with such new or revised accounting standards. Until the date that we are no longer an “emerging growth company” or affirmatively and irrevocably opt out of the exemption provided by Section 7(a)(2)(B) of the Securities Act, upon issuance of a new or revised accounting standard that applies to our financial statements and that has a different effective date for public and private companies, we will disclose the date on which adoption is required for non-emerging growth companies and the date on which we will adopt the recently issued accounting standard.

Anti-takeover provisions in our restated certificate of incorporation and our restated bylaws and under Delaware or Washington law could make an acquisition of our business, which may be beneficial to our stockholders, more difficult and may prevent attempts by our stockholders to replace or remove our current management.

Our restated certificate of incorporation and our restated bylaws contain provisions that could delay or prevent a change in control of our company. These provisions could also make it difficult for stockholders to elect directors who are not nominated by current members of our board of directors or take other corporate actions, including effecting changes in our management. These provisions:

•establish a classified board of directors so that not all members of our board are elected at one time;

•permit only the board of directors to establish the number of directors and fill vacancies on the board;

•provide that directors may only be removed “for cause” and only with the approval of two-thirds of our stockholders;

•require super-majority voting to amend some provisions in our restated certificate of incorporation and restated bylaws;

•authorize the issuance of “blank check” preferred stock that our board could use to implement a stockholder rights plan;

•eliminate the ability of our stockholders to call special meetings of stockholders;

•prohibit stockholder action by written consent, which requires all stockholder actions to be taken at a meeting of our stockholders;

•prohibit cumulative voting; and

•establish advance notice requirements for nominations for election to our board or for proposing matters that can be acted upon by stockholders at annual stockholder meetings.

Moreover, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, or DGCL, which prohibits a person who owns in excess of 15% of our outstanding voting stock from merging or combining with us for a period of three years after the date of the transaction in which the person acquired in excess of 15% of our outstanding voting stock, unless the merger or combination is approved in a prescribed manner. Likewise, because our principal executive offices are located in Washington, the anti-takeover provisions of the Washington Business Corporation Act may apply to us under certain circumstances now or in the future. These provisions prohibit a “target corporation” from engaging in any of a broad range of business combinations with any stockholder constituting an “acquiring person” for a period of five years following the date on which the stockholder became an “acquiring person.” Any of these provisions of our charter documents or Delaware or Washington law could, under certain circumstances, depress the market price of our common stock.

Our restated certificate of incorporation designates the Court of Chancery of the State of Delaware as the sole and exclusive forum for certain types of actions and proceedings that may be initiated by our stockholders and our restated bylaws designate federal district courts as the sole and exclusive forum for actions under the Securities Act, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers, employees, or agents.

Our restated certificate of incorporation provides that the Court of Chancery of the State of Delaware will be the exclusive forum for the following types of actions or proceedings under the DGCL: any derivative action or proceeding brought on our behalf; any action asserting a breach of fiduciary duty; any action asserting a claim against us arising pursuant to the DGCL, our restated certificate of

56

incorporation, or our restated bylaws; or any action asserting a claim against us that is governed by the internal affairs doctrine. This exclusive forum provision does not apply to suits brought to enforce a duty or liability created by the Exchange Act or any other claim for which the U.S. federal courts have exclusive jurisdiction. It could apply, however, to a suit that falls within one or more of the categories enumerated in the exclusive forum provision.

Our restated bylaws also provide that the federal district courts of the United States of America is the exclusive forum for the resolution of any complaint asserting a cause of action under the Securities Act. The enforceability of similar exclusive federal forum provisions in other companies’ organizational documents has been challenged in legal proceedings, and while the Delaware Supreme Court has ruled that this type of exclusive federal forum provision is facially valid under Delaware law, there is uncertainty as to whether other courts would enforce such provisions and that investors cannot waive compliance with the federal securities laws and the rules and regulations thereunder.

These choice of forum provisions may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or any of our directors, officers, or other employees, which may discourage lawsuits with respect to such claims. Alternatively, if a court were to find the choice of forum provisions contained in our restated certificate of incorporation or restated bylaws to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions, which could harm our business, operating results and financial condition.

General Risk Factors

Natural disasters, catastrophic events and calamities including epidemics and pandemics may disrupt our business.

Natural disasters or other catastrophic events may damage or disrupt our operations and thus could harm our business. For example, our headquarters are located in Seattle, Washington, an earthquake-prone area. A natural disaster or catastrophic event in Seattle could interrupt our operations and impair access to internal systems, documents, and materials critical to the operation and growth of our business.

Further, occurrences of epidemics or pandemics, depending on their scale, may result in damage to the national and local economies within our geographic area. Global economic conditions may be disrupted by widespread outbreaks of infectious or contagious diseases, and such disruption may adversely affect clinical development plans.

As we grow, the need for business continuity planning and disaster recovery plans will become increasingly important. We may incur substantial expenses as a result of the limited nature of our disaster recovery and business continuity plans, which could have a material adverse effect on our business. If we are unable to develop adequate plans to ensure that our business functions continue to operate during and after a disaster, and successfully execute on those plans in the event of a disaster or emergency, our business could be harmed.

We and our CMOs must comply with environmental, health and safety laws and regulations, and failure to comply with these laws and regulations could expose us to significant costs or liabilities.

We and our CMOs are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the use, generation, manufacture, distribution, storage, handling, treatment, remediation and disposal of hazardous materials and wastes. Hazardous chemicals, including flammable and biological materials, are involved in certain aspects of our business, and we cannot eliminate the risk of injury or contamination from the use, generation, manufacture, distribution, storage, handling, treatment or disposal of hazardous materials and wastes. In the event of contamination or injury, or failure to comply with environmental, health and safety laws and regulations, we could be held liable for any resulting damages and any such liability could exceed our assets and resources. We could also incur significant costs associated with civil or criminal fines and penalties for failure to comply with such laws and regulations. We are uninsured for third-party injury from contamination.

Environmental, health and safety laws and regulations are becoming increasingly more stringent. We may incur substantial costs in order to comply with current or future environmental, health and safety laws and regulations. These current or future laws and regulations may impair our research, development or production efforts. Our failure to comply with these laws and regulations also may result in substantial fines, penalties or other sanctions.

Further, with respect to the operations of our CMOs, it is possible that if they fail to operate in compliance with applicable environmental, health and safety laws and regulations or properly dispose of wastes, we could be held liable for any resulting damages, suffer reputational harm or experience a disruption in the manufacture and supply of our products.

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We may be subject to securities litigation, which is expensive and could divert management attention.

The market price of our common stock may be volatile and, in the past, companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may be the target of this type of litigation in the future. Securities litigation against us could result in substantial costs and divert our management’s attention from other business concerns, which could seriously harm our business.

If securities or industry analysts do not publish research or reports about our business, or if they issue an adverse or misleading opinion regarding our common stock, our stock price and trading volume could decline.

The trading market for our common stock can be influenced by the research and reports that industry or securities analysts publish about us or our business. We do not currently have and may never obtain research coverage by securities and industry analysts. If no or few securities or industry analysts commence coverage of us, the trading price for our common stock could be impacted negatively. In the event we obtain securities or industry analyst coverage, if any of the analysts who cover us issue an adverse or misleading opinion regarding us, our business model, our intellectual property or our stock performance, or if our nonclinical studies and clinical trials and operating results fail to meet the expectations of analysts, our stock price would likely decline. If one or more of such analysts cease coverage of us or fail to publish reports on us regularly, we could lose visibility in the financial markets, which in turn could cause a decline in our stock price or trading volume.

Item 2. Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities.

(a) Unregistered Sales of Equity Securities

None.

(b) Use of Proceeds from Public Offering of Common Stock

None.

(c) Issuer Purchases of Equity Securities

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

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Item 6. Exhibits.

EXHIBIT INDEX

		Incorporated by Reference
Exhibit No	Description of Exhibit	Form	File No.	Exhibit	Filing Date	Filed Herewith
3.1	Restated Certificate of Incorporation					X
10.1	Amendment to Oaktree Credit Agreement and RIF Agreement dated August 21, 2023.	8-K	001-40353	10.1	August 21, 2023
10.2^†	Second Amendment to Credit Agreement dated September 5, 2023.	8-K	001-40353	10.1	September 7, 2023
10.3	Form of Common Stock Purchase Warrant.	8-K	001-40353	10.2	September 7, 2023
10.4†	Form of Management Incentive Plan.	8-K	001-40353	10.3	September 7, 2023
10.5	Form of New Retention Program	8-K	001-40353	10.4	September 7, 2023
10.6^†	Third Amendment to Credit Agreement dated October 2, 2023.	8-K	001-40353	10.1	October 4, 2023
31.1	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X
31.2	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X
32.1*	Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.					X
32.2*	Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.					X
101.INS	Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document).					X
101.SCH	Inline XBRL Taxonomy Extension Schema Document.					X
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.					X
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.					X
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.					X

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101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.	X
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)	X

* The certification attached as Exhibit 32.1 that accompanies this Quarterly Report on Form 10-Q pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, is not deemed “filed” by the Registrant for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

** Management Contract or Compensatory Plan

^ The Registrant has omitted schedules and exhibits pursuant to Item 601(b)(2) of Regulation S-K. The Registrant agrees to furnish supplementally a copy of the omitted schedules and exhibits to the SEC upon request.

† The Registrant has omitted portions of the exhibit as permitted under Item 601(b)(10) of Regulation S-K.

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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.

	Impel Pharmaceuticals Inc.
Date: November 14, 2023	By:	/s/ Leonard Paolillo
		Leonard Paolillo
		Interim President and Chief Executive Officer
		(Principal Executive Officer)
Date: November 14, 2023	By:	/s/ Michael Kalb
		Michael Kalb
		Chief Financial Officer (Principal Financial and Accounting Officer)

61

EX-3.1

Exhibit 3.1

IMPEL PHARMACEUTICALS INC.

RESTATED CERTIFICATE OF INCORPORATION

Impel Pharmaceuticals Inc., a Delaware corporation (the “Corporation”), hereby certifies as follows:

1. The name of this Corporation is “Impel Pharmaceuticals Inc.” The date of the filing of the Corporation’s original Certificate of Incorporation with the Secretary of State of the State of Delaware was July 24, 2008 under the name “Impel NeuroPharma, Inc.”

2. The Restated Certificate of Incorporation of this Corporation attached hereto as Exhibit A, which is incorporated herein by this reference, and which restates, integrates and further amends the provisions of the Certificate of Incorporation of this Corporation as previously amended and/or restated, has been duly adopted by this Corporation’s Board of Directors and by the stockholders in accordance with Sections242 and 245 of the General Corporation Law of the State of Delaware.

IN WITNESS WHEREOF, this Corporation has caused this Restated Certificate of Incorporation to be signed by its duly authorized officer and the foregoing facts stated herein are true and correct.

Dated: November 14, 2023 IMPEL PHARMACEUTICALS INC.

By:/s/ Leonard Paolillo

Name: Leonard Paolillo

Title: Interim President and Chief Executive Officer

1

EXHIBIT A

IMPEL PHARMACEUTICALS INC.

RESTATED CERTIFICATE OF INCORPORATION

ARTICLE I: NAME

The name of the corporation is Impel Pharmaceuticals Inc. (the “Corporation”).

ARTICLE II: AGENT FOR SERVICE OF PROCESS

The address of the Corporation’s registered office in the State of Delaware is 1209 Orange Street, in the City of Wilmington, County of New Castle, Delaware 19801. The name of the registered agent of the Corporation at that address is National Registered Agents, Inc.

ARTICLE III: PURPOSE

The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware (the “General Corporation Law”).

ARTICLE IV: AUTHORIZED STOCK

1.Total Authorized. The total number of shares of all classes of stock that the Corporation has authority to issue is 310,000,000 shares, consisting of two classes: 300,000,000 shares of Common Stock, $0.001 par value per share (“Common Stock”), and 10,000,000 shares of Preferred Stock, $0.001 par value per share (“Preferred Stock”).

2.Designation of Additional Series.

2.1. The Board of Directors of the Corporation (the “Board”) is authorized, subject to any limitations prescribed by the law of the State of Delaware, to provide for the issuance of the shares of Preferred Stock in one or more series, and, by filing a Certificate of Designation pursuant to the applicable law of the State of Delaware (“Certificate of Designation”), to establish from time to time the number of shares to be included in each such series, to fix the designation, vesting, powers (including voting powers), preferences and relative, participating, optional or other special rights, if any, of the shares of each such series and any qualifications, limitations or restrictions thereof, and, except where otherwise provided in the applicable Certificate of Designation, to thereafter increase (but not above the total number of authorized shares of the Preferred Stock) or decrease (but not below the number of shares of such series then outstanding) the number of shares of any such series. The number of authorized shares of Preferred Stock may also be increased or decreased (but not below the number of shares thereof then outstanding) by the affirmative vote of the holders of two-thirds of the voting power of all then-outstanding shares of capital stock of the Corporation entitled to vote thereon, voting together as a single class, without a separate vote

2

of the holders of the Preferred Stock, irrespective of the provisions of Section 242(b)(2) of the General Corporation Law, unless a separate vote of the holders of one or more series is required pursuant to the terms of any Certificate of Designation; provided, however, that if two-thirds of the Whole Board (as defined below) has approved such increase or decrease of the number of authorized shares of Preferred Stock, then only the affirmative vote of the holders of a majority of the voting power of all of the then-outstanding shares of the capital stock of the Corporation entitled to vote thereon, voting together as a single class, without a separate vote of the holders of the Preferred Stock, irrespective of the provisions of Section 242(b)(2) of the General Corporation Law, unless a separate vote of the holders of one or more series is required pursuant to the terms of any Certificate of Designation, shall be required to effect such increase or decrease. For purposes of this Restated Certificate of Incorporation (as the same may be amended and/or restated from time to time, including pursuant to the terms of any Certificate of Designation designating a series of Preferred Stock, this “Certificate of Incorporation”), the term “Whole Board” shall mean the total number of authorized directors whether or not there exist any vacancies in previously authorized directorships.

2.2 Except as otherwise expressly provided in any Certificate of Designation designating any series of Preferred Stock pursuant to the foregoing provisions of this Article IV, any new series of Preferred Stock may be designated, fixed and determined as provided herein by the Board without approval of the holders of Common Stock or the holders of Preferred Stock, or any series thereof, and any such new series may have powers, preferences and rights, including, without limitation, voting powers, dividend rights, liquidation rights, redemption rights and conversion rights, senior to, junior to or pari passu with the rights of the Common Stock, any series of Preferred Stock or any future class or series of capital stock of the Corporation.

2.3 Each outstanding share of Common Stock shall entitle the holder thereof to one vote on each matter properly submitted to the stockholders of the Corporation for their vote; provided, however, that, except as otherwise required by law, holders of Common Stock shall not be entitled to vote on any amendment to this Certificate of Incorporation (including any Certificate of Designation relating to any series of Preferred Stock) that relates solely to the terms of one or more outstanding series of Preferred Stock if the holders of such affected series are entitled, either separately or together as a class with the holders of one or more other such series, to vote thereon pursuant to this Certificate of Incorporation (including any Certificate of Designation relating to any series of Preferred Stock).

ARTICLE V: AMENDMENT OF BYLAWS

The Board shall have the power to adopt, amend or repeal the Bylaws of the Corporation (as the same may be amended and/or restated from time to time, the “Bylaws”). Any adoption, amendment or repeal of the Bylaws by the Board shall require the approval of a majority of the Whole Board. The stockholders shall also have power to adopt, amend or repeal the Bylaws; provided, that, notwithstanding any other provision of this Certificate of Incorporation or any provision of law that might otherwise permit a lesser or no vote, but in addition to any vote of the holders of any class or series of stock of the Corporation required by applicable law or by this Certificate of Incorporation (including any Certificate of Designation relating to any series of Preferred Stock), the affirmative vote of the holders of at least two-thirds of the voting power of all of the then-outstanding shares of the capital stock of the Corporation entitled to vote generally in the election of directors, voting together as a single class, shall be required for the stockholders

3

to adopt, amend or repeal any provision of the Bylaws; providedfurther, that, in the case of any proposed adoption, amendment or repeal of any provisions of the Bylaws that is approved by the Board and submitted to the stockholders for adoption thereby, if two-thirds of the Whole Board has approved such adoption, amendment or repeal of any provisions of the Bylaws, then only the affirmative vote of the holders of a majority of the voting power of all of the then-outstanding shares of the capital stock of the Corporation entitled to vote generally in the election of directors, voting together as a single class (in addition to any vote of the holders of any class or series of stock of the Corporation required by applicable law or by this Certificate of Incorporation (including any Preferred Stock issued pursuant to a Certificate of Designation)), shall be required to adopt, amend or repeal any provision of the Bylaws.

ARTICLE VI: MATTERS RELATING TO THE BOARD OF DIRECTORS

1.Director Powers. Except as otherwise provided by the General Corporation Law, the Bylaws of the Corporation or this Certificate of Incorporation, the business and affairs of the Corporation shall be managed by or under the direction of the Board.

2.Number of Directors. Subject to the special rights of the holders of any series of Preferred Stock to elect additional directors under specified circumstances, the total number of directors constituting the Whole Board shall be fixed from time to time exclusively by resolution adopted by a majority of the Whole Board.

3.Classified Board. Subject to the special rights of the holders of one or more series of Preferred Stock to elect additional directors under specified circumstances, the directors shall be divided, with respect to the time for which they severally hold office, into three classes designated as Class I, Class II and Class III, respectively (the “Classified Board”). The Board may assign members of the Board already in office to the Classified Board, which assignments shall become effective at the same time that the Classified Board becomes effective. Directors shall be assigned to each class in accordance with a resolution or resolutions adopted by the Board. The number of directors in each class shall be divided as nearly equal as is practicable. The initial term of office of the Class I directors shall expire at the Corporation’s first annual meeting of stockholders following the filing of this Certificate of Incorporation with the Secretary of State of the State of Delaware (the “Effective Date”), the initial term of office of the Class II directors shall expire at the Corporation’s second annual meeting of stockholders following the Effective Date and the initial term of office of the Class III directors shall expire at the Corporation’s third annual meeting of stockholders following the Effective Date. At each annual meeting of stockholders following the Effective Date, directors elected to succeed those directors of the class whose terms then expire shall be elected for a term of office expiring at the third succeeding annual meeting of stockholders after their election.

4.Term and Removal. Each director shall hold office until the annual meeting at which such director’s term expires and until such director’s successor is duly elected and qualified, or until such director’s earlier death, resignation, disqualification or removal. Any director may resign at any time by delivering a resignation in writing or by electronic transmission to the Corporation at its principal office or to the Chairperson of the Board, the Chief Executive Officer, or the Secretary. Subject to the special rights of the holders of any series of Preferred Stock, no director may be removed from the Board except for cause and only by the affirmative vote of the holders of at least two-thirds of the voting power of the then-outstanding shares of capital stock of

4

the Corporation entitled to vote thereon, voting together as a single class. In the event of any increase or decrease in the authorized number of directors, (a) each director then serving as such shall nevertheless continue as a director of the class of which he or she is a member and (b) the newly created or eliminated directorships resulting from such increase or decrease shall be apportioned by the Board among the classes of directors so as to make all classes as nearly equal in number as is practicable, provided that no decrease in the number of directors constituting the Board shall shorten the term of any director.

5.Board Vacancies and Newly Created Directorships. Subject to the special rights of the holders of any series of Preferred Stock, any vacancy occurring in the Board for any cause, and any newly created directorship resulting from any increase in the authorized number of directors, shall, unless (a) the Board determines by resolution that any such vacancies or newly created directorships shall be filled by the stockholders or (b) as otherwise provided by law, be filled only by the affirmative vote of a majority of the directors then in office, even if less than a quorum, or by a sole remaining director, and shall not be filled by the stockholders. Any director elected in accordance with the preceding sentence shall hold office for a term expiring at the annual meeting of stockholders at which the term of office of the class to which the director has been assigned expires and until such director’s successor shall have been duly elected and qualified, or until such director’s earlier death, resignation, disqualification or removal.

6.Vote by Ballot. Election of directors need not be by written ballot unless the Bylaws shall so provide.

7. Preferred Directors.If and for so long asthe holders of any series of Preferred Stock have the special right to elect additional directors, then upon commencement and for the duration of the period during which such right continues: (i) the then otherwise total authorized number of directors of the Corporation shall automatically be increased by such specified number of directors, and the holders of such Preferred Stock shall be entitled to elect the additional directors so provided for or fixed pursuant to said provisions, and (ii) each such additional director shall serve until such director’s successor shall have been duly elected and qualified, or until such director’s right to hold such office terminates pursuant to said provisions, whichever occurs earlier, subject to his or her earlier death, resignation, retirement, disqualification or removal. Except as otherwise provided by the Board in the resolution or resolutions establishing such series, whenever the holders of any series of Preferred Stock having such right to elect additional directors are divested of such right pursuant to the provisions of such stock, the terms of office of all such additional directors elected by the holders of such stock, or elected to fill any vacancies resulting from the death, resignation, disqualification or removal of such additional directors, shall forthwith terminate and the total authorized number of directors of the Corporation shall be reduced accordingly.

ARTICLE VII: LIMITATION OF LIABILITY

1.Limitation of Liability. To the fullest extent permitted by law, neither a director of the Corporation nor an officer of the Corporation shall be personally liable for monetary damages for breach of fiduciary duty as a director or officer, as applicable. Without limiting the effect of the preceding sentence, if the General Corporation Law is hereafter amended to authorize the further elimination or limitation of the liability of a director of officer, then the liability of a director of officer of the Corporation shall be eliminated or limited to the fullest extent permitted by the General Corporation Law, as so amended.

5

2.Change in Rights. Neither any amendment nor repeal of this Article VII, nor the adoption of any provision of this Restated Certificate of Incorporation inconsistent with this Article VII, shall eliminate, reduce or otherwise adversely affect any limitation on the personal liability of a director or officer of the Corporation existing at the time of such amendment, repeal or adoption of such an inconsistent provision.

ARTICLE VIII: MATTERS RELATING TO STOCKHOLDERS

1.No Action by Written Consent of Stockholders. Subject to the rights of any series of Preferred Stock then outstanding, no action shall be taken by the stockholders of the Corporation except at a duly called annual or special meeting of stockholders and no action shall be taken by the stockholders of the Corporation by written consent in lieu of a meeting.

2. Special Meeting of Stockholders. Special meetings of the stockholders of the Corporation may be called only by the Chairperson of the Board, the Chief Executive Officer, the Lead Independent Director (as defined in the Bylaws), the President or the Board acting pursuant to a resolution adopted by a majority of the Whole Board and may not be called by the stockholders or any other person or persons.

3.Advance Notice of Stockholder Nominations and Business Transacted at Special Meetings. Advance notice of stockholder nominations for the election of directors of the Corporation and of business to be brought by stockholders before any meeting of stockholders of the Corporation shall be given in the manner provided in the Bylaws. Business transacted at special meetings of stockholders shall be limited to the purpose or purposes stated in the notice of meeting.

ARTICLE IX: CHOICE OF FORUM

Unless the Corporation consents in writing to the selection of an alternative forum, the Court of Chancery of the State of Delaware shall, to the fullest extent permitted by law, be the sole and exclusive forum for: (a) any derivative action or proceeding brought on behalf of the Corporation; (b) any action asserting a claim of breach of a fiduciary duty owed by, or other wrongdoing by, any director, officer, stockholder, employee or agent of the Corporation to the Corporation or the Corporation’s stockholders; (c) any action asserting a claim against the Corporation or any director, officer, stockholder, employee or agent of the Corporation arising pursuant to any provision of the General Corporation Law, this Certificate of Incorporation or the Bylaws or as to which the General Corporation Law confers jurisdiction on the Court of Chancery of the State of Delaware; (d) any action to interpret, apply, enforce or determine the validity of this Certificate of Incorporation or the Bylaws; or (e) any action asserting a claim against the Corporation or any director, officer, stockholder, employee or agent of the Corporation governed by the internal affairs doctrine. Any person or entity purchasing or otherwise acquiring or holding any interest in shares of capital stock of the Corporation shall be deemed to have notice of and to have consented to the provisions of this Article IX.

ARTICLE X: AMENDMENT OF CERTIFICATE OF INCORPORATION

If any provision of this Certificate of Incorporation shall be held to be invalid, illegal, or unenforceable, then such provision shall nonetheless be enforced to the maximum extent possible

6

consistent with such holding and the remaining provisions of this Certificate of Incorporation (including without limitation, all portions of any section of this Certificate of Incorporation containing any such provision held to be invalid, illegal, or unenforceable, which is not invalid, illegal, or unenforceable) shall remain in full force and effect.

The Corporation reserves the right to amend or repeal any provision contained in this Certificate of Incorporation in the manner prescribed by the laws of the State of Delaware and all rights conferred upon stockholders are granted subject to this reservation; provided, however, that, notwithstanding any other provision of this Certificate of Incorporation or any provision of law that might otherwise permit a lesser vote or no vote (but subject to the rights of any series of Preferred Stock set forth in any Certificate of Designation), but in addition to any vote of the holders of any class or series of the stock of the Corporation required by law or by this Certificate of Incorporation, the affirmative vote of the holders of at least two-thirds of the voting power of all then-outstanding shares of the capital stock of the Corporation entitled to vote generally in the election of directors, voting together as a single class, shall be required to amend or repeal any provision of this Certificate of Incorporation; provided, further, that if two-thirds of the Whole Board has approved such amendment or repeal this Article X or Article V, Article VI, Article VII or Article VIII of this Certificate of Incorporation;, then only the affirmative vote of the holders of a majority of the voting power of all then-outstanding shares of capital stock of the Corporation entitled to vote generally in the election of directors, voting together as a single class (in addition to any other vote of the holders of any class or series of stock of the Corporation required by law or by this Certificate of Incorporation or any Certificate of Designation), shall be required to amend or repeal such provisions of this Certificate of Incorporation.

* * * * * * * * * * *

7

EX-31.1

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO

RULE 13a-14(a) OR 15d-14(a) OF THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Leonard Paolillo, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Impel Pharmaceuticals Inc.;

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)) 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.

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: November 14, 2023

By: /s/ Leonard Paolillo___________

Leonard Paolillo

Interim President and Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO

RULE 13a-14(a) OR 15d-14(a) OF THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael Kalb, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Impel Pharmaceuticals Inc.;

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)) 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.

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: November 14, 2023

By: /s/ Michael Kalb___________

Michael Kalb

Chief Financial Officer

(Principal Accounting and Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Leonard Paolillo, Chief Executive Officer of Impel Pharmaceuticals Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1.the Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended September 30, 2023 (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: November 14, 2023

By: /s/ Leonard Paolillo___________

Leonard Paolillo

Interim President and Chief Executive Officer

(Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael Kalb, Chief Financial Officer of Impel Pharmaceuticals Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1.the Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended September 30, 2023 (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: November 14, 2023

By: /s/ Michael Kalb___________

Michael Kalb

Chief Financial Officer

(Principal Accounting and Financial Officer)

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 08, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Trading Symbol	IMPL
Entity Registrant Name	IMPEL PHARMACEUTICALS INC.
Entity Central Index Key	0001445499
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-40353
Entity Tax Identification Number	26-3058238
Entity Address, Address Line One	201 Elliott Avenue West
Entity Address, Address Line Two	Suite 260
Entity Address, City or Town	Seattle
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98119
City Area Code	206
Local Phone Number	568-1466
Entity Common Stock, Shares Outstanding		23,900,031
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock, par value $0.001 per share
Security Exchange Name	NASDAQ
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false

XML

Condensed Consolidated Balance Sheet (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 239	$ 60,654
Restricted cash	4,502	0
Trade receivables, net	6,586	7,444
Inventory	6,864	8,427
Prepaid expenses and other current assets	5,236	3,284
Total current assets	23,427	79,809
Property and equipment, net	4,087	3,863
Operating lease right-of-use assets	3,730	3,132
Other assets	3,829	1,746
Total assets	35,073	88,550
Current liabilities:
Accounts payable	3,734	6,092
Accrued and other liabilities	8,446	12,503
Current portion of long-term debt	111,001	0
Current portion of deferred royalty obligation	0	2,027
Current portion of operating lease liability	1,562	1,541
Total current liabilities	124,743	22,163
Operating lease liability, net of current portion	2,235	1,573
Deferred royalty obligation, net of current portion	0	60,899
Long-term debt	0	48,072
Total liabilities	126,978	132,707
Commitments and contingencies (Note 6)
Stockholders '(deficit) equity
Preferred stock, $0.001 par value; 10,000,000 shares authorized: none issued	0	0
Common stock, $0.001 par value; 300,000,000 shares authorized; 23,749,005 and 23,739,313 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	24	24
Additional paid-in capital	280,419	276,929
Accumulated deficit	(372,348)	(321,110)
Total stockholders' deficit	(91,905)	(44,157)
Total liabilities and stockholders' deficit	$ 35,073	$ 88,550

XML

Condensed Consolidated Balance Sheet (Parenthetical) (Unaudited) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares Issued	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	23,749,005	23,739,313
Common stock, shares outstanding	23,749,005	23,739,313

XML

Condensed Consolidated Statement of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Product revenue, net	$ 5,023	$ 3,082	$ 15,979	$ 7,644
Cost of goods sold	2,230	1,508	7,734	4,277
Gross profit	2,793	1,574	8,245	3,367
Operating expenses:
Research and development	252	3,155	3,456	10,756
Selling, general and administrative	15,352	19,659	56,659	57,553
Restructuring	0	0	1,481	0
Total operating expenses	15,604	22,814	61,596	68,309
Loss from operations	(12,811)	(21,240)	(53,351)	(64,942)
Other income (expense), net :
Interest income (expense), net	(3,661)	(3,192)	(9,609)	(11,069)
Other income (expense), net	2,658	(6,665)	11,722	(7,260)
Total other income (expense), net	(1,003)	(9,857)	2,113	(18,329)
Loss before income taxes	(13,814)	(31,097)	(51,238)	(83,271)
Provision (benefit) for income taxes	0	0	0	0
Net loss and comprehensive loss	$ (13,814)	$ (31,097)	$ (51,238)	$ (83,271)
Net loss per share - basic	$ (0.58)	$ (1.31)	$ (2.16)	$ (3.57)
Net loss per share - diluted	$ (0.58)	$ (1.31)	$ (2.16)	$ (3.57)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	23,749,005	23,709,546	23,747,640	23,345,946
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	23,749,005	23,709,546	23,747,640	23,345,946

XML

Condensed Consolidated Statement of Changes in Redeemable Convertible Preferred Stock and Stockholders Deficit (Unaudited) - USD ($) $ in Thousands	Total	Sale of Common Stock [Member]	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ 52,508	$ 23	$ 267,283	$ (214,798)
Beginning Balance, Shares at Dec. 31, 2021		23,123,062
Stock-based compensation expense	1,795		1,795
Issuance of common stock upon the exercise of stock options	149		149
Issuance of common stock upon the exercise of stock options, Shares		50,235
Net loss and comprehensive loss	(26,970)			(26,970)
Ending Balance at Mar. 31, 2022	27,482	$ 23	269,227	(241,768)
Ending Balance, Shares at Mar. 31, 2022		23,173,297
Beginning Balance at Dec. 31, 2021	52,508	$ 23	267,283	(214,798)
Beginning Balance, Shares at Dec. 31, 2021		23,123,062
Net loss and comprehensive loss	(83,271)
Ending Balance at Sep. 30, 2022	(22,289)	$ 24	275,756	(298,069)
Ending Balance, Shares at Sep. 30, 2022		23,739,313
Beginning Balance at Mar. 31, 2022	27,482	$ 23	269,227	(241,768)
Beginning Balance, Shares at Mar. 31, 2022		23,173,297
Stock-based compensation expense	1,579		1,579
Issuance of common stock upon the exercise of stock options	53		53
Issuance of common stock upon the exercise of stock options, Shares		23,016
Net loss and comprehensive loss	(25,204)			(25,204)
Ending Balance at Jun. 30, 2022	3,910	$ 23	270,859	(266,972)
Ending Balance, Shares at Jun. 30, 2022		23,196,313
Stock-based compensation expense	565		565
Issuance of common stock upon the exercise of stock options	1		1
Issuance of common stock upon the exercise of stock options, Shares		500
Issuance of common stock, net of issuance costs, shares		542,500
Issuance of common stock, net of issuance costs	(4,332)	$ 1	(4,331)
Net loss and comprehensive loss	(31,097)			(31,097)
Ending Balance at Sep. 30, 2022	(22,289)	$ 24	275,756	(298,069)
Ending Balance, Shares at Sep. 30, 2022		23,739,313
Beginning Balance at Dec. 31, 2022	(44,157)	$ 24	276,929	(321,110)
Beginning Balance, Shares at Dec. 31, 2022		23,739,313
Release Of Restricted Stock Units Shares		6,944
Stock-based compensation expense	1,319		1,319
Net loss and comprehensive loss	(30,067)			(30,067)
Ending Balance at Mar. 31, 2023	(72,905)	$ 24	278,248	(351,177)
Ending Balance, Shares at Mar. 31, 2023		23,746,257
Beginning Balance at Dec. 31, 2022	$ (44,157)	$ 24	276,929	(321,110)
Beginning Balance, Shares at Dec. 31, 2022		23,739,313
Common stock shares sold		151,026
Issuance of common stock upon the exercise of stock options, Shares	2,748
Net loss and comprehensive loss	$ (51,238)
Ending Balance at Sep. 30, 2023	(91,905)	$ 24	280,419	(372,348)
Ending Balance, Shares at Sep. 30, 2023		23,749,005
Beginning Balance at Mar. 31, 2023	(72,905)	$ 24	278,248	(351,177)
Beginning Balance, Shares at Mar. 31, 2023		23,746,257
Stock-based compensation expense	1,099		1,099
Issuance of common stock upon the exercise of stock options	5		5
Issuance of common stock upon the exercise of stock options, Shares		2,748
Net loss and comprehensive loss	(7,357)			(7,357)
Ending Balance at Jun. 30, 2023	(79,158)	$ 24	279,352	(358,534)
Ending Balance, Shares at Jun. 30, 2023		23,749,005
Stock-based compensation expense	1,067		1,067
Net loss and comprehensive loss	(13,814)			(13,814)
Ending Balance at Sep. 30, 2023	$ (91,905)	$ 24	$ 280,419	$ (372,348)
Ending Balance, Shares at Sep. 30, 2023		23,749,005

XML

Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (51,238)	$ (83,271)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	3,485	3,939
Depreciation and amortization	850	895
Non-cash lease expense	1,191	846
Non-cash interest expense and amortization of debt discount and issuance costs	5,297	4,386
Loss on early extinguishment of debt	0	3,251
Change in fair value of derivatives	(11,560)	7,585
Change in fair value of warrant liabilities	(204)	(279)
Write-down of inventory to net realizable value	1,190	0
Long-lived asset impairment	417	0
Changes in operating assets and liabilities:
Accounts receivable	858	(4,777)
Inventory	(2,973)	(4,702)
Prepaid expenses and other current assets	(1,952)	(2,605)
Other assets	(38)	0
Accounts payable	(2,190)	(1,616)
Accrued liabilities	(3,134)	1,541
Operating Lease	(1,106)	(849)
Net cash used in operating activities	(61,107)	(75,656)
Cash flows from investing activities:
Purchases of property and equipment	(1,871)	(365)
Net cash used in investing activities	(1,871)	(365)
Cash flows from financing activities:
Proceeds from deferred royalty obligation, net of issuance costs	0	48,418
Proceeds from issuance of debt, net of issuance costs	7,060	47,440
Payments on long-term debt, including final payment	0	(32,853)
Proceeds from issuance of common stock upon exercise of stock options	5	203
Proceeds from issuance of common stock, net of issuance costs	0	4,332
Net cash provided by financing activities	7,065	67,540
Net decrease in cash, cash equivalents and restricted cash	(55,913)	(8,481)
Cash, cash equivalents and restricted cash - Beginning of period	60,654	88,212
Cash, cash equivalents and restricted cash - End of period	4,741	79,731
Supplemental disclosures of cash flow information:
Right-of-use asset obtained in exchange for new operating lease liability	2,123	3,779
Accrued inventory purchases	246	1,096
Recognition of derivative liabilities	0	1,905
Recognition of fair value of warrant liabilities issued in connection with issuance of debt	700	0
Purchase of property and equipment included in accounts payable and accrued liabilities	$ 158	$ 157

XML

Organization and Description of Business

9 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Description of Business

1. Organization and Description of Business

Impel Pharmaceuticals Inc. (“the Company”, “we”, and “our”), is a commercial-stage biopharmaceutical company focused on the development and commercialization of transformative therapies for patients suffering from diseases with high unmet medical needs, with an initial focus on diseases of the central nervous system, or CNS. The Company's lead product, Trudhesa™ (dihydroergotamine mesylate) Nasal Spray was approved by the U.S. Food and Drug Administration (“FDA”) in September of 2021. Using the Company’s proprietary Precision Olfactory Delivery (POD®) technology, Trudhesa™ gently delivers dihydroergotamine mesylate (DHE), a proven, well-established therapeutic, quickly to the bloodstream through the vascular-rich upper nasal space.

The Company’s strategy is to pair its POD®, upper nasal delivery technology with well-understood therapeutics or other therapeutics where rapid vascular absorption is preferred to drive therapeutic benefit, improve patient outcomes, reduce drug development risk and expand the commercial opportunity within its target diseases. The Company was incorporated under the laws of the State of Delaware on July 24, 2008, and maintains its headquarters and principal operations in Seattle, Washington. In April of 2022, the Company changed its name from Impel NeuroPharma, Inc. to Impel Pharmaceuticals Inc.

Recent Developments

From the Company’s inception through September 30, 2023, it raised an aggregate of $405.3 million in proceeds from the issuance of its common stock, proceeds pursuant to the Revenue Interest Financing Agreement (deferred royalty obligation), sale and issuance of redeemable convertible preferred stock, convertible notes, debt and warrants. The Company had cash and cash equivalents of $0.2 million and restricted cash of $4.5 million as of September 30, 2023. The Company currently has an effective 2022 Shelf Registration Statement (the “2022 Registration Statement”) on file with the Securities and Exchange Commission (“SEC”). The 2022 Shelf Registration Statement permits the offering, issuance and sale by the Company of up to an aggregate offering price of $200.0 million of common stock, preferred stock, debt securities, warrants, subscription rights and/or units in one or more offerings and in any combination. In May 2022, the Company entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which the Company may offer and sell shares of its common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market program (the “2022 ATM Program”) under the 2022 Registration Statement. In October 2023, the Company filed a prospectus supplement related to its 2022 ATM Program reflecting the Company’s sale restrictions pursuant to General Instruction I.B.6 of Form S-3 and registering the sale of up to $9,0 million through the 2022 ATM Program. Since such filing through the date of this Form 10-Q, the Company has sold 151,026 shares of its common stock for gross proceeds of approximately $65,000 at an average price of $0.4293 under its open sales agreement as further described in Note 9.

Further, the Company’s Credit Agreement and Guaranty dated March 17, 2022, as amended (the “Senior Credit Agreement”) with Oaktree Fund Administration, LLC as administrative agent (“Oaktree”), and the lenders party thereto (collectively, the “Secured Parties”), as further described in Note 8, required maintaining a minimum of $12.5 million in unrestricted cash and cash equivalents on hand to avoid an event of default under the Senior Credit Agreement. Among other loan covenant requirements, the Senior Credit Agreement also required the Company to provide an audit opinion of its annual financial statements not subject to any “going concern” or like qualification or exception or explanatory paragraph of going concern footnote, however, any such audit report shall not be considered qualified due to the inclusion of an explanatory paragraph in the audit opinion based on the impending maturity date of any indebtedness within twelve months from the date of issuance of the annual financial statements, the prospective breach of any financial covenant thereunder or liquidity issues due to ordinary course liabilities. The Company was not in compliance with maintaining the minimum liquidity covenant of $12.5 million in unrestricted cash and cash equivalents in August 2023.

As a result, during the three months ended September 30, 2023, the Company entered into two amendments to (i) the Senior Credit Agreement (collectively referred to as the “Amended Senior Credit Agreement”) the Secured Parties and the Revenue Interest Financing Agreement, dated March 17, as amended (the “RIF”) with Oaktree and the purchasers party thereto (collectively, the “Purchasers”). Under the first amendment, Oaktree advanced the Company $3.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement and the Purchasers agreed to exchange $9.0 million of obligations owed to the Purchasers under the RIF for $9.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement. Pursuant to the second amendment, the Secured Parties advanced the Company $4.5 million of Tranche B term loans under the Amended Senior Credit Agreement. Affiliates of KKR Iris Investors LLC, a greater than 10% holder of the Company’s common stock are lenders of a portion of the new amount under the Amended Senior Credit Agreement. Additionally, the Company exchanged all of its outstanding obligations, including accrued interest, of $51.4 million under the Senior Credit Agreement and of $9.0 million in Tranche A-2 term loans under the Amended Senior Credit Agreement as well as $41.0 million from the RIF into first lien Tranche A term loans. The Company had the right to draw up to an additional $12.5 million in Tranche B term loans over the course of 2023 subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions. The Secured Parties

provided the Company with a limited forbearance of the minimum liquidity covenant though December 31, 2023. In October 2023, as the Company remained in default due to the violation of the minimum net revenue and product units sold covenant as well as a financial reporting covenant, the Company and the Secured Parties entered into the third amendment to the Amended Senior Credit Agreement (the “Third Amendment”). Pursuant to the Third Amendment, the Company drew down $5.0 million in Tranche B term loans and continues to have the right to draw up to an additional $7.5 million in Tranche B term loans over the course of 2023, subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions specified in the Amended Senior Credit Agreement. The amounts outstanding under the Amended Senior Credit Agreement are secured and collateralized by all of the Company’s assets. The Amended Senior Credit Agreement also provides for certain modifications to the existing covenants, including additional reporting obligations, minimum net revenue and product units sold covenants and additional milestones. In addition, the Amended Senior Credit Agreement includes customary events of default, the occurrence of which could result in termination of Oaktree’s commitments or the acceleration of the Company’s obligations under the Amended Senior Credit Agreement. There can be no assurance that the Company will satisfy the covenants under the Amended Senior Credit Agreement and have the ability to draw down the remaining $7.5 million of Tranche B term loans. An event of default will accelerate the repayment of the Tranche A and Tranche B term loans resulting in all outstanding amounts being immediately due and payable to the Secured Parties. The Company was in compliance with all covenants as of September 30, 2023, however, as of the date of filing, the Company is in default of the minimum net revenue and product units sold covenants. For more information, see Note 8.

Our consolidated financial statements have been prepared using generally accepted accounting principles applicable to a going concern, which contemplates the realization of assets and liquidation of liabilities in the normal course of business. However, we have sustained substantial recurring losses from operations and negative operating cash flows. The above conditions raise substantial doubt about our ability to continue as a going concern within one year after the issuance date of these condensed consolidated financial statements. Our consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should we be unable to continue in existence. Uncertainty concerning our ability to continue as a going concern, among other factors, may hinder our ability to obtain future financing. Continued operations and our ability to continue as a going concern are dependent, among other factors, on our ability to successfully commercialize Trudhesa and our ability to obtain additional required funding in the near term and thereafter. We are exploring a wide range of options with a focus on maximizing shareholder value, including a potential sale of assets of the company, a sale of all of the company, a merger or other strategic transaction. Other potential strategic alternatives may include further restructuring or refinancing our debt, seeking additional debt or equity capital, reducing or delaying our business activities and strategic initiatives, mergers and acquisitions, licensing arrangements and partnerships, co-development agreements, or a combination of these. We have engaged financial advisors in connection with the review of strategic alternatives, however, there can be no assurance that we will be able to complete additional or alternative financings, business development transactions or other strategic alternatives. If we cannot continue as a viable entity, we will likely be required to reduce or cease operations and seek relief under the Chapter 11 of the United States Code (the “U.S. Bankruptcy Code”), and our stockholders would likely lose most or all of their investment in us.

Our ongoing liquidity issues also present significant challenges to current operations. We currently expect the financing availability under the Amended Senior Credit Agreement to be sufficient to conduct the strategic review process, but we do not expect it to be sufficient to continue operations beyond this process without substantial additional investment. Our operations are also being impacted by the loss of sales representatives that we do not currently plan to replace, increased pressure from suppliers regarding payments from us that may delay or prevent our ability to obtain sufficient product from suppliers, and concern from prescribers regarding future product availability. Any of these issues can have a material impact on our sales and may further reduce our cash runway, accelerating the potential need to seek alternatives, including seeking relief under Chapter 11 of the U.S. Bankruptcy Code.

XML

Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation and Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States generally accepted accounting principles, or U.S. GAAP, and rules and regulations of the SEC for interim financial reporting. The condensed consolidated financial statements include the operations of Impel Pharmaceuticals Inc., and its wholly owned Australian subsidiary. All intercompany balances and transactions have been eliminated upon consolidation.

The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations and comprehensive loss, and changes in stockholders’ (deficit) equity for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022 are unaudited. These unaudited condensed consolidated financial statements have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company’s consolidated financial position as of September 30, 2023 and its results of operations for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022. The financial data and the other financial information

contained in these notes to the condensed consolidated financial statements related to the three and nine month periods is also unaudited. The results of operations for the three and nine months ended September 30, 2023, are not necessarily indicative of the results to be expected for the year ending December 31, 2023 or for any other future annual or interim period. The condensed consolidated balance sheet as of December 31, 2022 included herein was derived from the audited financial statements as of that date. These condensed consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2022 included in its Annual Report on Form 10-K filed with the SEC on March 27, 2023.

Our significant accounting policies are described in Note 2 of the notes to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2022. Updates to our accounting policies, including impacts from the adoption of new accounting standards, are discussed below in this Note 2.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. On an ongoing basis, management evaluates such estimates and assumptions for continued reasonableness. In particular, management makes estimates with respect to revenue recognition, inventory valuation, the fair values of derivative liabilities, stock-based compensation expense, deferred royalty obligation, lease accounting, income taxes, and additional charges as a result of, or that are associated with, any restructuring initiative as well as impairment and related charges. Appropriate adjustments, if any, to the estimates used are made prospectively based upon such periodic evaluation. Actual results could differ from those estimates.

Restricted Cash

Restricted cash consists primarily of cash that is restricted to utilization only under certain circumstances. Any cash that is legally restricted from use is classified as restricted cash and is held at financial institutions. Restricted cash of approximately $4.5 million is disclosed on the consolidated balance sheet as of September 30, 2023 and represents cash deposited by the Company into a separate account and designated as a controlled account in accordance with the terms of the Amended Senior Credit Agreement. Refer to Note 8 for the terms of the Amended Senior Credit Agreement.

Segments

The Company’s chief operating decision maker during the nine months ended September 30, 2023, and until November 4, 2023 was its Chairman and Chief Executive Officer. As described below, the Chairman and Chief Executive Officer resigned effective November 4, 2023. The Company’s Board of Directors appointed an Interim President and Chief Executive Officer effective upon the resignation of the Chairman and Chief Executive Officer. The Chairman and Chief Executive Officer reviewed and the Interim President and Chief Executive Officer reviews financial information on an aggregate basis for the purposes of evaluating financial performance and allocating the Company’s resources. Accordingly, the Company has determined that it operates in one segment.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and accounts receivables. The Company’s cash is deposited with high credit quality financial institutions. At times such deposits may be in excess of the Federal Depository Insurance Corporation insured limits.

Selling, General and Administrative Expense

Selling, general and administrative expenses are primarily comprised of compensation and benefits associated with sales and marketing, finance, human resources, legal, information technology and other administrative personnel, outside marketing, advertising and legal expenses and other general and administrative costs. The Company expenses the cost of advertising, including promotional expenses, as incurred. Advertising expenses were $1.7 million and $7.3 million for the three and nine months ended September 30, 2023. The Company incurred $1.5 million and $5.0 million for the three and nine months ended September 30, 2022.

Impairment of Long-Lived Assets

Long-lived assets consist of property and equipment and right of use assets. The Company reviews property and equipment and right of use assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable or that the useful life is shorter than the Company had originally estimated. Recoverability is measured by comparison of the carrying amount of the asset or asset group to the future undiscounted cash flows which the asset or asset group is expected to generate. If the asset or asset group is considered to be impaired, the impairment to be recognized is measured by the amount

by which the carrying amount of the asset or asset group exceeds the fair value of the asset or asset group. If the useful life is shorter than originally estimated, the Company amortizes the remaining carrying value over the new shorter useful life.

Recently Adopted Accounting Pronouncements

In June 2016 the FASB issued Accounting Standard Update (“ASU”) 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This introduces a new methodology for recognition of credit losses - the current expected credit loss (“CECL”) method. The CECL method requires the recognition of all losses expected over the life of a financial instrument upon origination or purchase of the instrument unless the company elects to recognize such instruments at fair value with changes in profit and loss. The Company adopted this guidance as of January 1, 2023. The adoption did not have a material impact to the Company or its disclosures.

Emerging Growth Company Status

The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with certain new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it is (1) no longer an emerging growth company or (2) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, these financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

3. Fair Value Measurements

The following table summarizes the fair value of the Company’s financial liabilities measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

	September 30, 2023
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	757	$	757
Total financial liabilities	$	—	$	—	$	757	$	757

	December 31, 2022
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	261	$	261
Derivative liability — Deferred royalty obligation		—		—		11,000		11,000
Derivative liability — Oaktree term loan		—		—		560		560
Total financial liabilities	$	—	$	—	$	11,821	$	11,821

Common Stock Warrant Liabilities

Fair values of the Company’s common stock warrants are based on significant inputs not observed in the market, and thus represent a Level 3 measurement.

The following table summarizes the change in the fair value of the common stock warrant liabilities, included in the Company’s Accrued other liabilities in Note 5, for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	261
Issuance of warrants to Tranche B lenders		700
Changes in fair value		(204	)
Ending balance as of September 30, 2023	$	757

Pursuant to the July 2021 loan and security agreement with Oxford Finance LLC and Silicon Valley Bank (the “Loan Agreement”), the Company issued common stock warrants (see Note 8). The Company's warrants are not indexed to the Company’s common stock in the manner contemplated by ASC 815-40 because the warrant provides for an adjustment to the exercise price upon an acquisition. The Warrants were measured at fair value at inception and are subsequently remeasured at each reporting date with changes in fair value recognized as a component of other income (expense), net in the consolidated statement of operations and other comprehensive loss. The Company determined the fair value of the common stock warrants using the Black-Scholes-Merton option pricing model based on

significant unobservable inputs. The significant unobservable inputs used in the fair value measurement of the warrant liabilities is the volatility rate which is based on the historical volatility of a set of peer companies, that are publicly traded.

Pursuant to the September 2023 second amendment to the Senior Credit Agreement, the Company will issue to the Tranche B lenders and certain of their affiliates warrants to purchase up to 4,749,800 shares of the Company's common stock. Upon execution of the second amendment, the Company issued warrants for the purchase of 1,781,175 shares of common stock. The remaining warrants will be issued on a pro rata basis in connection with each subsequent draw by the Company of the Tranche B term loans. The Warrants are exercisable, in full or in part, at any time prior to the seventh anniversary of their issuance or the consummation of a change of control (as defined in the Warrants), whichever occurs earlier, at an exercise price of $0.01 per share, subject to customary anti-dilution adjustments. The Warrants are not indexed to the Company’s common stock in the manner contemplated by ASC 815-40 because the warrant provides for settlement via the surrender of preferred stock at its liquidation value. The Warrants were measured at fair value at inception and are subsequently remeasured at each reporting date with changes in fair value recognized as a component of other income (expense), net in the consolidated statement of operations and other comprehensive loss. The Company determined the fair value of the Warrants using the Black-Scholes-Merton option pricing model based on significant unobservable inputs. The significant unobservable inputs used in the fair value measurement of the warrant liabilities is the volatility rate which is based on the historical volatility of a set of peer companies that are publicly traded.

Derivative Liabilities

Fair values of the Company’s derivative liabilities are based on significant inputs not observed in the market, and thus represent a Level 3 measurement.

The following table summarizes the change in the estimated fair value of the Company’s derivative liabilities for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	11,560
Change in fair value of derivatives — Deferred royalty obligation		(11,000	)
Change in fair value of derivatives — Oaktree term loan		(560	)
Ending balance as of September 30, 2023	$	—

The Senior Credit Agreement with Oaktree contained embedded derivatives requiring bifurcation as a derivative instrument. The derivative liability related to the Oaktree term loan was netted with the term loan in the consolidated financial statements (see Note 8 for additional details). The embedded derivative liability was subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other income (expense), net. The fair value of the embedded derivative liabilities associated with the term loan was estimated using a probability weighted discounted cash flow model to measure the fair value. This involves significant Level 3 inputs and assumptions including an (i) estimated probability and timing of a change in control and event of default, and (ii) our risk-adjusted discount rate. The fair value of the embedded derivative was determined to be zero prior to the execution of the amendments to the Senior Credit Agreement as the probability of occurrence of the underlying events was remote resulting in no value ascribed to the derivative.

The embedded derivative liability associated with our deferred royalty obligation (see Note 8) is measured at fair value using an option pricing Monte Carlo simulation model and is netted with the deferred royalty obligation in the consolidated financial statements. The embedded derivative liability is subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other expense, net. The assumptions used in the option pricing Monte Carlo simulation model include:(i) the probability-weighted net sales of Trudhesa; (ii) our risk-adjusted discount rate; (iii) our cost of debt; and (iv) the probability of a change in control and event of default occurring during the term of the instrument. The fair value of the embedded derivative was determined to be zero just prior to the termination of the RIF as the probability of a financing event occurring was remote resulting in no value ascribed to the derivative.

The Amended Senior Credit Agreement includes certain prepayment features in the Tranche B term loan requiring bifurcation as embedded derivatives. See Note 8 for additional details. The embedded derivative liability is subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other income (expense), net. The fair value of the embedded derivative liabilities associated with the Tranche B term loans is estimated using a probability weighted discounted cash flow model to measure the fair value. This involves significant Level 3 inputs and assumptions including an (i) estimated probability and timing of an event of default, casualty event or asset sale, and (ii) our risk-adjusted discount rate. The fair value at inception of the embedded derivative and as of September 30, 2023 was zero.

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Corporate Restructuring

9 Months Ended

Sep. 30, 2023

Restructuring and Related Activities [Abstract]

Corporate Restructuring

4. Corporate Restructuring

On February 22, 2023, the Company announced a strategic update and corporate restructuring (the “Restructuring”) to reprioritize spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and halt research and development efforts on product candidates including INP105 to address acute agitation and aggression in autism spectrum disorder. As part of the Restructuring, the Company reduced headcount by 16% through a reduction in its workforce. The reduction in workforce was completed by March 31, 2023.

The Company incurred the following Restructuring charges consisting of winding down costs, exit and other related costs, impairments and write-offs of long-lived assets, and severance and employee-related costs (in thousands):

	Nine Months Ended September 30, 2023
Severance and employee-related costs	$	1,007
Long-lived asset impairments and write-offs		415
Supplemental one-time termination charges		59
Total	$	1,481

The Company estimated that it will incur total cash expenses of approximately $1.0 million related to the Restructuring of which $0.9 million was paid through September 30, 2023. The cash payments were primarily comprised of severance and other related costs.

The Company also completed an evaluation of the impact of the Restructuring on the carrying value of its long-lived assets, such as property and equipment. This process includes evaluating the estimated remaining lives, significant changes in the use, and potential impairment charges related to its long-lived assets. Based on its evaluation, the Company determined that certain of its long-lived assets were impaired as of March 31, 2023, and it recognized an impairment charge of $0.4 million related to its long-lived assets for the nine months ended September 30, 2023. The Company may incur additional costs not currently contemplated due to events that may occur because of, or that are associated with, the Restructuring.

The following table summarizes the activity related to the restructuring liabilities included in accrued liabilities on the condensed consolidated balance sheet associated with our restructuring initiatives for the nine months ended September 30, 2023 (in thousands):

	September 30, 2023
Balance as of December 31, 2022	$	—
Restructuring, impairment and related charges		1,481
Cash payments		(934	)
Noncash activities		(437	)
Balance as of September 30, 2023	$	110

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Balance Sheet Components

9 Months Ended

Sep. 30, 2023

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

5. Balance Sheet Components

Inventory

Inventories consisted of the following (in thousands):

	September 30, 2023			December 31, 2022
Raw materials	$	5,055		$	2,461
Work-in-process		3,877			4,191
Finished goods		1,536			3,334
Total inventories		10,468			9,986
Less: long-term inventories		(3,604	)		(1,559	)
Total current inventories	$	6,864		$	8,427

Inventory amounts written down to net realizable value in the consolidated statements of operations and comprehensive loss included a charge of $0.1 million and $1.2 million to cost of goods sold during the three and nine months ended September 30, 2023, related to excess and obsolescence reserves associated with Trudhesa.

The Company classifies its inventories based on its anticipated levels of sales, any inventory in excess of its normal operating cycle is classified as long-term within Other Assets on its consolidated balance sheets.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Prepaid insurance	$	2,390	$	1,036
Other prepaids		2,219		1,587
Other current assets		621		649
Tax refund receivable		6		12
Total prepaid expenses and other current assets	$	5,236	$	3,284

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Accrued sales discounts and allowances	$	3,361	$	3,376
Accrued compensation		2,729		5,287
Accrued other liabilities		1,478		1,662
Accrued professional services		720		1,808
Accrued construction in progress		158		370
Total accrued liabilities	$	8,446	$	12,503

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

6. Commitments and Contingencies

Legal Proceedings

From time to time, the Company may have certain contingent liabilities that arise in the ordinary course of its business activities. The Company accrues a liability for such matters when it is probable that future expenditures will be made and that such expenditures can be reasonably estimated. Significant judgment is required to determine both probability and the estimated amount. The Company did not accrue any costs as of September 30, 2023 and December 31, 2022, as no contingent liabilities were deemed to be probable.

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Leases

9 Months Ended

Sep. 30, 2023

Leases [Abstract]

Leases

7. Leases

Real Estate Leases

In April 2022 the Company entered into a non-cancelable operating lease for 8,045 square feet of office space. Rent is payable monthly, increasing by approximately 2.5% each year. The term of the lease is 127 months and commenced in the first quarter of 2023. Upon commencement, the Company recorded a right-of-use asset and a lease liability on the Condensed Consolidated Balance Sheet.

In September 2017, the Company entered into a non-cancelable operating lease for 11,256 square feet of office and laboratory space. Rent is payable monthly, increasing by approximately 3% each year. The initial term of the lease was 3 years, and the Company renewed the lease for an additional four years with an expiration date of August 31, 2024.

Commercial Fleet Leases

During 2022 and in first half of 2023, the Company took delivery of a portion of its commercial car fleet for its salesforce. Each commercial fleet lease has a term of 12 months including options to renew for a total of 54 months, we believe a total of 36 months is deemed reasonable to exercise. In addition, the Company can terminate the vehicle leases at any time without a significant penalty. For the discount rate used in the commercial fleet lease, the Company used the weighted-average rate implicit in the commercial fleet leases.

As of September 30, 2023, the Company was not party to any finance leases.

The following table reconciles the Company’s undiscounted operating lease cash flows to its operating lease liability (in thousands):

	September 30, 2023
Remaining 2023	$	484
2024		1,571
2025		718
2026		292
2027 and thereafter		1,830
Total undiscounted cash flows		4,895
Less: imputed interest		(1,098	)
Total lease liabilities		3,797
Less: current portion		(1,562	)
Lease liabilities	$	2,235

The weighted average remaining lease term and the weighted average discount rate used to determine the operating lease liability were as follows:

	September 30, 2023
Weighted average remaining lease term (years)		5.2
Weighted average discount rate		8.1	%

Operating lease expense was $0.5 and $0.3 million for the three months ended September 30, 2023 and 2022, respectively and $1.4 and $1.0 million for the nine months ended September 30, 2023 and 2022, respectively. Variable lease expense was $0.1 million for operating leases for both three months ended September 30, 2023 and 2022, and $0.3 million for operating leases for both nine months ended September 30, 2023 and 2022. Rent expense recognized for short term leases was $0.1 million for nine months ended September 30, 2022.

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Long-Term Obligations

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Long-Term Obligations

8. Long-Term Obligations

Oaktree Loan and Security Agreement

On March 17, 2022 (“Closing Date”), the Company entered into a Senior Credit Agreement with Oaktree under which it borrowed $50.0 million in the form of a term loan.

The term loan has a maturity date of March 17, 2027, and prior to the amendments entered into in August and September 2023, initially bore interest at the Secured Overnight Financing Rate (“SOFR”) + 8.75% (with a SOFR floor of 1.00%). Once Trudhesa achieves at least $125.0 million in net sales over a trailing 12-month period, interest would step down to SOFR + 8.00% (with a SOFR floor of 1.00%). The Company is required to make quarterly interest-only payments until the fourth anniversary of the Closing Date, after which the Company is required to make quarterly amortizing payments, with the remaining balance of the principal plus accrued and unpaid interest due at maturity. Prepayments of the loan, in whole or in part, would be subject to early prepayment fee which declines each year until the fourth anniversary date of the Closing Date, after which no prepayment fee is required. The Company was also required to pay an exit fee upon any payment or prepayment equal to 2.0% of the aggregate principal amount of the loans funded under the Senior Credit Agreement. The Senior Credit Agreement contains customary representations, warranties and events of default. If the Company defaults under its Senior Credit Agreement, the lenders may accelerate all of the Company's repayment obligations and take control of its pledged assets. The lenders could declare the Company in default under its debt obligation upon the occurrence of any event that the lenders interpret as having a material adverse effect as defined under the Senior Credit Agreement and the Revenue Interest Financing Agreement (the “RIF”, described further below under “Deferred Royalty Obligation”), thereby requiring the Company to repay the loans immediately or to attempt to reverse the lenders’ declaration through negotiation or litigation. Among other loan covenant requirements, the Senior Credit Agreement also requires the Company to provide an audit opinion of its annual financial statements not subject to any “going concern” or like qualification or exception or explanatory paragraph of going concern footnote. On March 22, 2023, the Company entered into a letter agreement with Oaktree in connection with its Senior Credit Agreement, to obtain a waiver from Oaktree for any default or event of default arising from the going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022. Under the Senior Credit Agreement, the Company is subject to a minimum liquidity requirement of $12.5 million unrestricted cash balance at all times (the “liquidity covenant”) and was in violation of this covenant prior to the execution of the first amendment to the Senior Credit Agreement.

The Company identified a number of embedded derivatives that require bifurcation from the term loan and that were separately accounted for in the consolidated financial statements as one compound derivative liability. Certain of these embedded features include change in control provisions, events of default and contingent rate increases and were determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the term loan obligation have been netted to result in a net loan obligation and is classified as a Level 3 financial liability in the fair value hierarchy. The fair value of the embedded derivative liabilities associated with the term loan were estimated using the discounted cash flow method under the income approach. This involves significant Level 3 inputs and assumptions including an estimated probability and timing of a change in control and events of default (see Note 3 for additional details). The Company re-evaluates this assessment each reporting period and records any gains or losses in other income (expense). The initial recognition of the embedded derivative liability upon issuance of the Oaktree term loan was $0.4 million and was included in the term loan obligation in the consolidated balance sheets. At December 31, 2022 the fair value of the embedded derivative liability was $0.6 million. The fair value of the embedded derivative liability was zero prior to the execution of the amendments to the Senior Credit Agreement described below.

In connection with the issuance of the term loan, the Company recorded debt discount and debt issuance costs of $2.9 million. The discount and issuance costs are amortized over the life of the term loan.

A portion of the loan proceeds were used to repay in full the $32.9 million aggregate principal amount (including the prepayment fee and final payment fee) of loans outstanding owed to Oxford Finance LLC (“Oxford”) and Silicon Valley Bank (“SVB” and together with Oxford, the “Prior Lenders”) by the Company in the first quarter of 2022.

2023 Amendments

On August 21, 2023, the Company entered into the first amendment to the Senior Credit Agreement and the RIF with Oaktree and the Purchasers (collectively, the “First Amendment” and, together with the Second Amendment (as defined below), the “Amended Senior Credit Agreement”). The Company drew down $3.0 million of Tranche A-2 term loans under the First Amendment and the Purchasers agreed to exchange $9.0 million of obligations owed to the Purchasers under the RIF for $9.0 million of Tranche A-2 term loans under the Amended Senior Credit Agreement. Additionally, the terms related to the interest rate were entirely modified and rate was increased to SOFR + 10.75%. The two parties were negotiating the terms of a second amendment at the execution of the first amendment.

On September 5, 2023, the Company entered into the second amendment to the Senior Credit Agreement and RIF with the Secured Parties (the “Second Amendment”). Pursuant to the Second Amendment, the Secured Parties provided the Company with first lien Tranche B term loans for an aggregate principal amount of $20.0 million. The Company drew down $4.5 million of Tranche B term loans under the Amended Senior Credit Agreement and exchanged $3.0 million of Tranche A-2 term loans on a dollar-to-dollar basis into Tranche B term loans. Additionally, the Company exchanged all of its outstanding obligations, including accrued interest, of $51.4 million under the Senior Credit Agreement and of $9.0 million in Tranche A-2 term loans under the Amended Senior Credit Agreement as well as $41.0 million from the RIF into first lien Tranche A term loans for a principal amount of $101.5 million that includes an in-kind forbearance fee of $5.0 million, providing a forbearance from the Company’s default of the minimum liquidity requirement until December 31, 2023. The Company had the right to draw up to an additional $12.5 million in Tranche B term loans over the remainder of 2023 subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions. In connection with the execution of the Second Amendment, the RIF was terminated. Affiliates of KKR Iris Investors LLC, a holder of greater than 10% of the Company’s common stock, are lenders of a portion of the Tranche B term loans under the Amended Senior Credit Agreement.

Further, the Tranche B lenders received warrants to purchase common stock having an aggregate warrant coverage equal to an aggregate of approximately 19.99% of the Company's outstanding shares and an exercise price of $0.01 per share. Warrants to purchase a total of 1,781,175 shares of common stock were issued upon execution of the second amendment. Warrants for the purchase of up to 2,968,625 shares of common stock shall be issued on a pro rata basis to each lender in connection with each subsequent draw by the Company of the Tranche B term loans. The fair value of the warrants upon issuance of $0.7 million was recorded as a debt discount. Refer to Note 3.

Interest will be paid in kind (PIK) on both the Tranche A and Tranche B term loans through the end of the forbearance period, which was extended to December 31, 2023 under the second amendment, and accrues at SOFR + 10.75%. Quarterly principal payments of $2.5 million will commence after March 2026 with the remaining balance paid upon maturity. The Tranche B lenders are entitled to a 2x multiple on invested capital (the “Tranche B Return Shortfall”) on repayment or prepayment of the Tranche B term loans. Under the second amendment, with the exception of the Tranche B Return Shortfall, any prepayment of the term loans would no longer be subject to any prepayment fees; however, any payment or prepayment of the Tranche A term loans would be subject to an exit fee of $3.0 million, an increase of $2.0 million from the exit fee under the original terms of the Senior Credit Agreement. The Tranche A lenders and Tranche B lenders will be entitled to be repaid a maximum aggregate amount of approximately $141.5 million (assuming the entire $20.0 million of Tranche B term loans are funded), plus PIK interest on the Tranche A term loan.

In addition to the liquidity covenant previously included in the terms of the Senior Credit Agreement, the Second Amendment added a minimum net revenue and product units sold covenant specifying the minimum revenue and units to be sold in subsequent three-week periods beginning after September 15, 2023. Compliance with the liquidity covenant was deferred until after December 31, 2023. The Second Amendment also provided for other modifications to existing covenants, including additional reporting obligations and additional milestones. Furthermore, the Company was required to transfer $4.5 million to an account subject to a control agreement between the Company and Oaktree. The account is restricted as to use except in the event of commencement of bankruptcy proceedings by the Company. As such, these funds are classified as restricted cash on the condensed consolidated balance sheet as of September 30, 2023. The Company was in violation of its minimum net revenue covenant and did not meet certain contractual milestones at September 30, 2023 resulting in the execution of the third and fourth amendments to waive these events of default. See Note 14 for additional information.

The amounts outstanding under the Amended Senior Credit Agreement are secured and collateralized by all of the Company’s assets. The Amended Senior Credit Agreement also provides for certain modifications to the existing covenants, including additional reporting obligations, minimum net revenue and product units sold covenants and additional milestones. In addition, the Amended Senior Credit Agreement includes customary events of default, the occurrence of which could result in termination of Oaktree’s commitments or the acceleration of the Company’s obligations under the Amended Senior Credit Agreement.

The Company identified certain prepayment features in the Tranche B term loans that are embedded derivatives requiring bifurcation from the term loan and recognition as one compound derivative liability. Certain of these embedded features include events of default, casualty events or asset sales and were determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the term loan obligation have been netted to result in a net loan obligation and is classified as a Level 3 financial liability in the fair value hierarchy. The fair value of the embedded derivative liabilities associated with the term loan were estimated using the discounted cash flow method under the income approach. This involves significant Level 3 inputs and assumptions including an estimated probability and timing of events of default, casualty events or asset sales (see Note 3 for additional details). The Company re-evaluates this assessment each reporting period and records any gains or losses in other income (expense). There was zero value upon initial recognition of the embedded derivative liability upon issuance of the Oaktree term loan.

The Company determined that the First and Second Amendments were modifications under ASC 470, Debt with Conversion and Other Options and no gain or loss was recognized as a result of the amendments. The unamortized balance of debt discounts and debt issuance costs prior to the amendments of $4.9 million was carried over to the balance of the Tranche A term loans. The Company incurred lender fees of $0.4 million in relation to the amendments that were recorded as an additional debt discount. The discount and issuance costs are amortized over the life of the term loans. Debt issuance costs of $0.5 million were expensed as incurred.

Interest expense for the three months ended September 30, 2023 and 2022 was $2.9 million and $1.6 million, respectively, and for the nine months ended September 30, 2023 and 2022 was $6.7 million and $3.1 million, respectively, and is inclusive of non-cash amortization of the debt discount and debt issuance costs and accretion of the exit fee and Tranche B Return Shortfall. The fair value of the Tranche A and Tranche B term loans at September 30, 2023 was equal to their carrying value due to the recent refinancing of the Amended Senior Credit Agreement.

The Company has classified the term loans as current liabilities on the condensed consolidated balance sheet. The Company has obtained limited waivers from the Secured Parties and executed two new amendments to the Amended Senior Credit Agreement subsequent to September 30, 2023; however, as of the date of financial statement issuance, the Company failed to meet the minimum net revenue and product units sold covenants.

Deferred Royalty Obligation

On March 17, 2022, the Company entered into a RIF (also known as the “Deferred Royalty Obligation”) with “the Purchasers” pursuant to which the Company sold to the Purchasers the right to receive payments from us at a tiered percentage (the “Applicable Tiered Percentage”), of future net revenues of Trudhesa, including worldwide net product sales and upfront payments, and milestones, (collectively, “the Revenue Interests”). Under the terms of the RIF Agreement, the Company received $50.0 million (“Investment Amount”), less transaction expenses, in exchange for tiered royalty payments on worldwide net sales from Trudhesa, as follows: 7.75% on annual United States net sales up to $150.0 million; 4.75% on annual United States net sales between $150 million and $300 million; 0.75% on annual United States net sales greater than $300.0 million; and 10% of any upfront payments, milestone payments and royalties received by us from licensing or partnerships relating to Trudhesa outside the United States. In connection with the execution of the Second Amendment described above, the RIF was terminated.

Prior to the Second Amendment, The Purchasers’ rights to receive the Revenue Interests would terminate on the date on which the Purchasers have received payments equal to 175% of the funded portion of the Investment Amount including the aggregate of all payments made to the Purchasers as of such date, unless the RIF is earlier terminated. If the Purchasers have not received payments equal to the 175% of the funded portion of the Investment Amount by the nine-year anniversary of the initial closing date, among other

things, the Company shall pay the Purchasers an amount equal to the funded portion of the Investment Amount plus a specific annual rate of return less payments previously received.

Under the RIF, the Company had an option (the “Call Option”) to repurchase future Revenue Interests at any time until the third anniversary of the Closing Date upon advance written notice. Additionally, the Purchasers had an option (the “Put Option”) to terminate the RIF and to require the Company to repurchase future Revenue Interests upon enumerated events such as a bankruptcy event, a material adverse effect or a change of control. If the Put Option or the Call Option are exercised, the required repurchase price is (i) as of any date before the one-year anniversary of the Closing Date, an amount equal to (a) 1.25 multiplied by (b) the Investment Amount, (ii) as of any date on or after the one-year anniversary of the Closing Date and before the two-year anniversary of the Closing Date, an amount equal to (a) 1.40 multiplied by (b) the Investment Amount, (iii) as of any date on or after the two-year anniversary of the Closing Date and before the three-year anniversary of the Closing Date, an amount equal to (a) 1.55 multiplied by (b) the Investment Amount, and (iv) as of any date on or after the three-year anniversary of the Closing Date, an amount equal to (a) 1.75 multiplied by (b) the Investment Amount, in each case net of the sum of any payments received by the Purchasers prior to such Put Option Closing Date or Call Option Closing Date, as applicable.

If the Purchasers have not received 100% of the Investment Amount by February 15, 2027, the first tier royalty rate would be subject to an increase from 7.75% to 10.75%. As of September 30, 2023, the Company had made $1.2 million in payments to the Purchasers prior to the Second Amendment. The Company's obligations under the RIF were secured, subject to customary permitted liens and other agreed upon exceptions and subject to an intercreditor agreement with Oaktree, by a perfected security interest in (i) accounts receivable arising from net sales of Trudhesa and (ii) intellectual property that is claiming or covering Trudhesa, or any method of using, making or manufacturing Trudhesa, including regulatory approvals, clinical data and all other Trudhesa assets. As noted above, the Company determined that the first and second amendments to the Senior Credit Agreement with existing Oaktree lenders and the RIF were modifications under ASC 470, Debt with Conversion and Other Options and no gain or loss was recognized as a result of the amendments.

The Company evaluated the terms of the deferred royalty obligation and concluded that the features of the Investment Amount are similar to those of a debt instrument. Accordingly, the Company accounted for the transaction as long-term debt recorded at amortized cost using the effective interest method. The Company further evaluated the terms of the debt and determined that the Put Options under the RIF that were exercisable by Purchasers upon certain contingent events were determined to be embedded derivatives requiring bifurcation and separately accounted for as a single compound derivative instrument (see Note 3). The Put Option has been determined to qualify as an embedded derivative under ASC 815-40. The embedded derivative and the deferred royalty obligation were netted to result in a net deferred royalty obligation as of December 31, 2022. The embedded derivative is classified as a Level 3 financial liability in the fair value hierarchy. The Company determined the fair value of the derivative using an option pricing Monte Carlo simulation model taking into account the probability of change of control or event of default occurring and potential repayment amounts and timing of such payments that would result under various scenarios, as further described in Note 3. The Company recorded the initial fair value of the derivative liability of $1.5 million which was included in the deferred royalty obligation in the consolidated balance sheet. The Company remeasured the derivative liability to fair value each reporting period until the termination of the RIF whereby the fair value of the derivative was determined to be zero. At December 31, 2022 the fair value of the derivative liability was $11.0 million. The fair value of the derivative liability was zero prior to the execution of the amendments to the Senior Credit Agreement described above.

Interest expense recognized for the three months ended September 30, 2023 and 2022 was $0.8 million and $1.8 million, and for the nine months ended September 30, 2023 and 2022 was $3.4 million and $4.1 million, respectively.

Oxford and Silicon Valley Bank Term Loan

In July 2021, the Company entered into the Loan Agreement with the “Prior Lenders”, to lend the Company up to an aggregate of $50.0 million in a series of term loans (the “Term Loan”). The term loans accrued interest at the greater of (i) 7.95% or (ii) the sum of (a) the greater of (1) the thirty (30) day U.S. LIBOR or (2) 0.11%, plus (b) 7.84% and were subject to a prepayment fee of 1.0% to 3.0% depending upon when the prepayment occurs. On repayment of the Term Loans, the Company was required to make a final payment fee to the Prior Lenders equal to 6.5% of the original principal amount of the Term Loans.

On March 17, 2022, upon entering into the Senior Credit Agreement, the Company repaid the $30.0 million of outstanding principal, interest, including prepayment and final payment fees owed under the Loan Agreement to the Prior Lenders. The Company recorded a loss of $3.3 million on the early extinguishment of debt related to the unamortized debt discount associated with the fair value of the warrants, final payment fee, and unamortized debt issuance costs. The loss on early extinguishment was recognized as a component of interest expense, net in the consolidated statement of operations and other comprehensive loss. Interest expense for the three and nine months ended September 30, 2022 was $0.7 million and was inclusive of non-cash amortization in the amount of $0.2 million related to the amortization of the debt issuance costs and accretion of final payment.

In connection with entering into the Loan Agreement and borrowings under the agreement, the Company issued warrants to purchase 71,522 and 23,166, shares of its common stock, respectively, to the Prior Lenders at a per share exercisable price of $8.39 per share and $12.95 per share, respectively, all with ten year terms.

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Common Stock

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Common Stock

9. Common Stock

Each share of common stock has the right to one vote. The holders of common stock are also entitled to receive dividends whenever funds are legally available and when declared by the board of directors, subject to the prior rights of holders of all classes of stock outstanding having priority rights as to dividends. No cash dividends have been declared by the board of directors from inception.

The Company has reserved the following shares of common stock for issuance, on an as-converted basis, as follows:

	September 30, 2023		December 31, 2022
Stock incentive plans		7,754,000		6,351,263
Exercise of common stock warrants		1,875,863		94,688
Total		9,629,863		6,445,951

Open Market Sales Agreement

In May 2022, the Company entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which the Company may offer and sell shares of its common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market Program (the “2022 ATM Program”), under the 2022 Shelf Registration Statement. As of September 30, 2023, $45.0 million in shares of common stock remain eligible for sale under the 2022 ATM Program. In October 2023, the Company filed a prospectus supplement related to its 2022 ATM Program reflecting the Company’s sale restrictions pursuant to General Instruction I.B.6 of Form S-3 and registering the sale of up to $9.0 million through the 2022 ATM Program. Since such filing through the date of this Form 10-Q, the Company has sold 151,026 shares of its common stock under the 2022 ATM Program for gross proceeds of approximately $65,000 at an average price of $0.4293.

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Stock Incentive Plans

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Stock Incentive Plans

10. Stock Incentive Plans

As of September 30, 2023, the Company’s equity incentive plans authorized a total of 7,776,500 shares, of which 3,285,815 shares are available for future grant, and 4,490,685 shares are outstanding.

The Company’s 2021 Stock Incentive Plan, (the “2021 Plan”), provides for annual increase in the number of shares that may be issued under the 2021 Plan automatically on January 1 of each of 2022 through 2031 by the lesser of (a) 5% of the total number of outstanding shares of all classes of its common stock on each December 31 and (b) a number as may be determined by its board of directors.

The Company’s Employee Stock Purchase Plan (the “ESPP”), provides for annual increase in the number of shares that may be issued under the 2021 Plan automatically on January 1 of each of 2022 through 2031 by the lesser of (a) 5% of the total number of outstanding shares of all classes of its common stock on each December 31 and (b) a number as may be determined by its board of directors.

Effective January 1, 2023, the 2021 Plan and ESPP reserves increased by 1,186,965 shares and 237,393 shares, respectively. Changes in shares available for grant under the 2021 Plan during the nine months ended September 30, 2023 were as follows:

	Shares Available for Grant
Shares available for grant at December 31, 2022		1,837,854
2021 Plan reserve increase January 1, 2023		1,186,965
ESPP reserve increase January 1, 2023		237,393
Options and restricted units granted		(1,209,516	)
Options and restricted units forfeited, cancelled, or expired		1,233,119
Shares available for grant at September 30, 2023		3,285,815

Stock-Based Compensation Expense

Stock-based compensation expense recognized was as follows (in thousands):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2023		2022			2023		2022
Cost of goods sold	$	45	$	(8	)	$	121	$	46
Research and development		43		8			267		618
Selling, general and administrative		979		565			3,097		3,275
Total stock-based compensation expense	$	1,067	$	565		$	3,485	$	3,939

Stock Option Activity

All stock option grants are awarded at fair value on the date of grant. The fair value of stock options is estimated using the Black-Scholes option pricing model and stock-based compensation is recognized on a straight-line basis over the requisite service period. Stock options granted generally become exercisable over a four-year period from the grant date. Stock options generally expire 10 years after the grant date.

The aggregate intrinsic value of stock options is calculated as the difference between the exercise price of the stock options and the fair value of the Company's common stock for those stock options that had exercise prices lower than the fair value of the Company's common stock at September 30, 2023.

A summary of the Company’s stock option activity under its stock option plans was as follows (in thousands, except share and per share data and years):

	Options Outstanding
	Number of Options			Weighted -Average Exercise Price		Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Balance — December 31, 2022		4,275,909		$	8.08		7.5	$	1,038
Authorized		—
Granted		1,165,643			2.22
Exercised		(2,748	)		1.97
Cancelled		(1,200,619	)		7.12
Balance — September 30, 2023		4,238,185		$	6.82		7.2	$	—
Exercisable — September 30, 2023		2,485,420		$	7.31		6.1	$	—

As of September 30, 2023, there was $6.8 million of total unrecognized compensation cost related to unvested options that are expected to vest. The cost is expected to be recognized over a weighted-average period of 2.2 years.

The fair value of stock option awards granted to employees was estimated at the date of grant using a Black-Scholes-Merton option pricing model with the following assumptions:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Expected term (in years)	6.1	6.1	6.1	6.1
Expected volatility	71.3%-71.4%	72.5%-74.5%	70.7%-71.4%	72.5%-74.5%
Risk-free interest rate	3.38% -3.94%	2.90% - 3.45%	3.38% -3.95%	1.70% - 3.45%
Expected dividends	—	—	—	—

Restricted Stock Units

The Company’s Restricted Stock Units (“RSUs”) are considered non-vested share awards and require no payment from the employee. For each RSU, employees receive one share of common stock at the end of the vesting period. The employee can elect to receive the one share of common stock net of taxes or pay for taxes separately and receive the entire share. The fair value of a restricted stock unit award at the grant date is equal to the market price of the Company's common stock on the grant date. Compensation expense is recorded based on the market price of the Company’s common stock on the grant date and is recognized on a straight-line basis over

the requisite service period. As of September 30, 2023, there was less than $0.1 million of total unrecognized compensation cost related to the Company's RSUs that are expected to vest. These costs are expected to be recognized over a weighted-average period of 0.9 years.

During 2021, the Compensation Committee of the Board of Directors approved the Trudhesa Launch Equity Incentive Plan for awards of performance-based restricted stock units (“PSUs”) to certain senior executives of the Company. Each award reflects a target number of shares (“Target Shares”) that may be issued to the award recipient. These awards may be earned upon the completion of two-year performance periods ending December 31, 2022, and December 31, 2023. Whether units are earned at the end of the performance period will be determined based on the achievement of certain revenue targets over the performance period. The PSUs also include a performance objective relating to total shareholder return (“TSR”). TSR reflects the change in the value of the Company’s common stock over each performance period. Depending on the revenue achieved and the TSR during the two-year performance periods, the actual number of shares that a grant recipient receives at the end of the performance period may range from 0% to 125% of the Target Shares granted for the 2022 performance period and 0% to 150% of the Target Shares granted for the 2023 performance period.

In the period it becomes probable that the minimum revenue threshold specified in the award will be achieved, we recognize expense for the proportionate share of the total fair value of the PSUs related to the vesting period that has already lapsed for the shares expected to vest and be released. The remaining fair value of the shares expected to vest and be released is expensed on a straight-line basis over the balance of the vesting period. In the event the Company determines it is no longer probable that we will achieve the minimum threshold specified in the award, we reverse all of the previously recognized compensation expense in the period such a determination is made.

The fair value of the Target Shares and restricted stock awards are based on the fair value of the underlying shares on the date of grant. The fair value of the portion of the Target Shares that relate to a relative TSR performance objective was determined using a Monte Carlo simulation analysis to estimate the total shareholder return ranking of the Company among a peer group over the remaining performance periods. The expected volatility of the Company’s common stock at the date of grant was estimated based on the average historical volatilities for comparable publicly traded pharmaceutical companies. The Company used an expected dividend yield of zero. The risk-free interest rate assumption was based on observed interest rates consistent with the approximate two-year performance measurement period.

The fair value of PSUs granted to employees was estimated at the date of grant using the following assumptions:

	December 31, 2021
Contractual term (in years)	2.1
Expected volatility		0.83	%
Risk-free interest rate		0.70	%
Expected dividends	—

There were no PSUs that vested during the nine months ended September 30, 2023 and 182,500 and 237,500 PSUs are outstanding as of September 30, 2023 and December 31, 2022, respectively.

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Income Taxes

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Income Taxes

11. Income Taxes

To calculate the interim tax provision, at the end of each interim period the Company estimates the annual effective tax rate and applies that to its quarterly earnings from continuing operations. The effect of changes in the enacted tax laws or rates is recognized in the interim period in which the change occurs. The computation of the annual estimated effective tax rate at each interim period requires certain estimates and judgments including, but not limited to, the expected operating income for the year, projections of the proportion of income earned and taxed in foreign jurisdictions, permanent differences between book and tax amounts, and the likelihood of recovering deferred tax assets generated in the current year. The accounting estimates used to compute the provision for income taxes may change as new events occur, additional information is obtained, or the tax environment changes.

The Company’s effective tax rate for the three and nine months ended September 30, 2023 and 2022 differs from the U.S. statutory rate due to ongoing cumulative losses and the related valuation allowance.

During the three and nine months ended September 30, 2023, the Company reported U.S. pre-tax losses, consistent with prior years to date. The Company has not yet been able to establish a sustained level of profitability in the U.S. or other sufficient significant positive evidence to conclude that its U.S. deferred tax assets are more likely than not to be realized. Therefore, the Company continues to maintain a valuation allowance against its U.S. deferred tax assets.

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Defined Contribution Plan

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Defined Contribution Plan

12. Defined Contribution Plan

The Company has a defined contribution retirement savings plan under Section 401(k) of the Internal Revenue Code. This plan allows eligible employees to defer a portion of their annual compensation on a pre-tax or after-tax basis. The Company makes discretionary matching contributions of up to 4% of a participating employee’s salary. For the three and nine months ended September 30, 2023, the amount expensed under the plan was $0.2 million and $0.7 million respectively. For the three and nine months ended September 30, 2022, the amount expensed under the plan was $0.2 million and $0.6 million respectively.

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Net Loss Per Share

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Net Loss Per Share

13. Net Loss Per Share

The following outstanding shares of potentially dilutive securities were excluded from the computation of the diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

	Nine Months Ended September 30,
	2023		2022
Stock options to purchase common stock		4,238,185		4,281,702
Non-vested RSUs and PSUs		230,000		485,571
Warrants to purchase common stock		1,875,863		94,688
Total		6,344,048		4,861,961

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Subsequent Events

9 Months Ended

Sep. 30, 2023

Subsequent Events [Abstract]

Subsequent Events

14. Subsequent Events

Amendments to Credit Agreement

On October 2, 2023, the Company entered into the third amendment to the Amended Senior Credit Agreement (the “Third Amendment”) with the Secured Parties as it was in violation of its minimum net revenue covenant and did not meet certain contractual milestones and reporting requirements at September 30, 2023. Pursuant to the third amendment, the Secured Parties waived certain defaults of the Company and modified the terms of the funding of the Tranche B term loans. The Company drew $5.0 million of Tranche B term loans and continued to have the right to draw up to an additional $7.5 million in Tranche B term loans over the remainder of 2023, subject to the Company’s achievement of certain strategic milestones, satisfaction of minimum net revenue and product units sold covenants and satisfaction of certain other covenants and conditions as further amended in the third amendment. The third amendment further provides that the Company shall use best efforts, subject to applicable law and fiduciary duties, to consummate an equity financing prior to October 31, 2023, and that to the extent proceeds from such financing exceed $5.0 million, the Company will apply 50% of such excess proceeds (the “Prepayment Proceeds”) to repay the Tranche B term loans. If the Prepayment Proceeds exceed the outstanding Tranche B term loans plus the Tranche B Return Shortfall, the remaining Tranche B commitment will be permanently reduced on a dollar-by-dollar basis by the amount of such excess.

On November 3, 2023, the Company entered into the fourth amendment to the Amended Senior Credit Agreement with the Secured Parties to modify the timing of certain milestones associated with future funding of Tranche B term loans and to extend the date of consummation of an equity financing from October 31, 2023 to November 20, 2023.

As of the date of filing, the Company is in default of the minimum net revenue and product units sold covenants.

Sales of Common Stock

Subsequent to September 30, 2023, Impel sold 151,026 shares of common stock for gross proceeds of approximately $65,000 at an average price of $0.4293 pursuant to the open market sales agreement.

Executive Officer Transitions

On October 29, 2023, Adrian Adams gave notice of his resignation from his position as Chairman of the Board of Directions and as President and Chief Executive Officer of the Company effective November 4, 2023. The Board of Directors of the Company appointed Leonard Paolillo as Interim President and Chief Executive Officer effective upon Mr. Adams’s resignation.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Basis of Presentation and Consolidation

Basis of Presentation and Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States generally accepted accounting principles, or U.S. GAAP, and rules and regulations of the SEC for interim financial reporting. The condensed consolidated financial statements include the operations of Impel Pharmaceuticals Inc., and its wholly owned Australian subsidiary. All intercompany balances and transactions have been eliminated upon consolidation.

The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations and comprehensive loss, and changes in stockholders’ (deficit) equity for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022 are unaudited. These unaudited condensed consolidated financial statements have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company’s consolidated financial position as of September 30, 2023 and its results of operations for the three and nine months ended September 30, 2023 and 2022 and cash flows for the nine months ended September 30, 2023 and 2022. The financial data and the other financial information

contained in these notes to the condensed consolidated financial statements related to the three and nine month periods is also unaudited. The results of operations for the three and nine months ended September 30, 2023, are not necessarily indicative of the results to be expected for the year ending December 31, 2023 or for any other future annual or interim period. The condensed consolidated balance sheet as of December 31, 2022 included herein was derived from the audited financial statements as of that date. These condensed consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2022 included in its Annual Report on Form 10-K filed with the SEC on March 27, 2023.

Our significant accounting policies are described in Note 2 of the notes to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2022. Updates to our accounting policies, including impacts from the adoption of new accounting standards, are discussed below in this Note 2.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. On an ongoing basis, management evaluates such estimates and assumptions for continued reasonableness. In particular, management makes estimates with respect to revenue recognition, inventory valuation, the fair values of derivative liabilities, stock-based compensation expense, deferred royalty obligation, lease accounting, income taxes, and additional charges as a result of, or that are associated with, any restructuring initiative as well as impairment and related charges. Appropriate adjustments, if any, to the estimates used are made prospectively based upon such periodic evaluation. Actual results could differ from those estimates.

Restricted Cash

Restricted Cash

Restricted cash consists primarily of cash that is restricted to utilization only under certain circumstances. Any cash that is legally restricted from use is classified as restricted cash and is held at financial institutions. Restricted cash of approximately $4.5 million is disclosed on the consolidated balance sheet as of September 30, 2023 and represents cash deposited by the Company into a separate account and designated as a controlled account in accordance with the terms of the Amended Senior Credit Agreement. Refer to Note 8 for the terms of the Amended Senior Credit Agreement.

Segments

Segments

The Company’s chief operating decision maker during the nine months ended September 30, 2023, and until November 4, 2023 was its Chairman and Chief Executive Officer. As described below, the Chairman and Chief Executive Officer resigned effective November 4, 2023. The Company’s Board of Directors appointed an Interim President and Chief Executive Officer effective upon the resignation of the Chairman and Chief Executive Officer. The Chairman and Chief Executive Officer reviewed and the Interim President and Chief Executive Officer reviews financial information on an aggregate basis for the purposes of evaluating financial performance and allocating the Company’s resources. Accordingly, the Company has determined that it operates in one segment.

Concentration of Credit Risk

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and accounts receivables. The Company’s cash is deposited with high credit quality financial institutions. At times such deposits may be in excess of the Federal Depository Insurance Corporation insured limits.

Selling, General and Administrative Expense

Selling, General and Administrative Expense

Selling, general and administrative expenses are primarily comprised of compensation and benefits associated with sales and marketing, finance, human resources, legal, information technology and other administrative personnel, outside marketing, advertising and legal expenses and other general and administrative costs. The Company expenses the cost of advertising, including promotional expenses, as incurred. Advertising expenses were $1.7 million and $7.3 million for the three and nine months ended September 30, 2023. The Company incurred $1.5 million and $5.0 million for the three and nine months ended September 30, 2022.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets

Long-lived assets consist of property and equipment and right of use assets. The Company reviews property and equipment and right of use assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable or that the useful life is shorter than the Company had originally estimated. Recoverability is measured by comparison of the carrying amount of the asset or asset group to the future undiscounted cash flows which the asset or asset group is expected to generate. If the asset or asset group is considered to be impaired, the impairment to be recognized is measured by the amount

by which the carrying amount of the asset or asset group exceeds the fair value of the asset or asset group. If the useful life is shorter than originally estimated, the Company amortizes the remaining carrying value over the new shorter useful life.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In June 2016 the FASB issued Accounting Standard Update (“ASU”) 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This introduces a new methodology for recognition of credit losses - the current expected credit loss (“CECL”) method. The CECL method requires the recognition of all losses expected over the life of a financial instrument upon origination or purchase of the instrument unless the company elects to recognize such instruments at fair value with changes in profit and loss. The Company adopted this guidance as of January 1, 2023. The adoption did not have a material impact to the Company or its disclosures.

Emerging Growth Company Status

Emerging Growth Company Status

The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with certain new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it is (1) no longer an emerging growth company or (2) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, these financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Summary of Fair Value, Liabilities Measured on Recurring Basis

The following table summarizes the fair value of the Company’s financial liabilities measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

	September 30, 2023
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	757	$	757
Total financial liabilities	$	—	$	—	$	757	$	757

	December 31, 2022
	Level 1		Level 2		Level 3		Total
Liabilities:
Common stock warrant liabilities	$	—	$	—	$	261	$	261
Derivative liability — Deferred royalty obligation		—		—		11,000		11,000
Derivative liability — Oaktree term loan		—		—		560		560
Total financial liabilities	$	—	$	—	$	11,821	$	11,821

Summary of Change in the Fair Value of the Common Stock Warrant Liabilities

The following table summarizes the change in the fair value of the common stock warrant liabilities, included in the Company’s Accrued other liabilities in Note 5, for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	261
Issuance of warrants to Tranche B lenders		700
Changes in fair value		(204	)
Ending balance as of September 30, 2023	$	757

Schedule of Derivative Liabilities at Fair Value [Table Text Block]

The following table summarizes the change in the estimated fair value of the Company’s derivative liabilities for the nine months ended September 30, 2023 (in thousands):

Beginning balance as of December 31, 2022	$	11,560
Change in fair value of derivatives — Deferred royalty obligation		(11,000	)
Change in fair value of derivatives — Oaktree term loan		(560	)
Ending balance as of September 30, 2023	$	—

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Corporate Restructuring (Tables)

9 Months Ended

Sep. 30, 2023

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

The Company incurred the following Restructuring charges consisting of winding down costs, exit and other related costs, impairments and write-offs of long-lived assets, and severance and employee-related costs (in thousands):

	Nine Months Ended September 30, 2023
Severance and employee-related costs	$	1,007
Long-lived asset impairments and write-offs		415
Supplemental one-time termination charges		59
Total	$	1,481

Summary of the activity related to the restructuring liabilities

The following table summarizes the activity related to the restructuring liabilities included in accrued liabilities on the condensed consolidated balance sheet associated with our restructuring initiatives for the nine months ended September 30, 2023 (in thousands):

	September 30, 2023
Balance as of December 31, 2022	$	—
Restructuring, impairment and related charges		1,481
Cash payments		(934	)
Noncash activities		(437	)
Balance as of September 30, 2023	$	110

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Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2023

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	September 30, 2023			December 31, 2022
Raw materials	$	5,055		$	2,461
Work-in-process		3,877			4,191
Finished goods		1,536			3,334
Total inventories		10,468			9,986
Less: long-term inventories		(3,604	)		(1,559	)
Total current inventories	$	6,864		$	8,427

Schedule of prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Prepaid insurance	$	2,390	$	1,036
Other prepaids		2,219		1,587
Other current assets		621		649
Tax refund receivable		6		12
Total prepaid expenses and other current assets	$	5,236	$	3,284

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Accrued sales discounts and allowances	$	3,361	$	3,376
Accrued compensation		2,729		5,287
Accrued other liabilities		1,478		1,662
Accrued professional services		720		1,808
Accrued construction in progress		158		370
Total accrued liabilities	$	8,446	$	12,503

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Leases (Tables)

9 Months Ended

Sep. 30, 2023

Leases [Abstract]

ScheduleOfMaturitiesOfOperatingAndFinanceLeasesLiabilitiesTableTextBlock

The following table reconciles the Company’s undiscounted operating lease cash flows to its operating lease liability (in thousands):

	September 30, 2023
Remaining 2023	$	484
2024		1,571
2025		718
2026		292
2027 and thereafter		1,830
Total undiscounted cash flows		4,895
Less: imputed interest		(1,098	)
Total lease liabilities		3,797
Less: current portion		(1,562	)
Lease liabilities	$	2,235

Weighted average remaining lease term and the weighted average discount rate table text block

The weighted average remaining lease term and the weighted average discount rate used to determine the operating lease liability were as follows:

	September 30, 2023
Weighted average remaining lease term (years)		5.2
Weighted average discount rate		8.1	%

Operating lease expense was $0.5 and $0.3 million for the three months ended September 30, 2023 and 2022, respectively and $1.4 and $1.0 million for the nine months ended September 30, 2023 and 2022, respectively. Variable lease expense was $0.1 million for operating leases for both three months ended September 30, 2023 and 2022, and $0.3 million for operating leases for both nine months ended September 30, 2023 and 2022. Rent expense recognized for short term leases was $0.1 million for nine months ended September 30, 2022.

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Common Stock (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Schedule of Reserved Shares of Common Stock for Issuance, on an as-Converted Basis

The Company has reserved the following shares of common stock for issuance, on an as-converted basis, as follows:

	September 30, 2023		December 31, 2022
Stock incentive plans		7,754,000		6,351,263
Exercise of common stock warrants		1,875,863		94,688
Total		9,629,863		6,445,951

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Stock Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Changes in shares available for grant under the 2021 Plan

Changes in shares available for grant under the 2021 Plan during the nine months ended September 30, 2023 were as follows:

	Shares Available for Grant
Shares available for grant at December 31, 2022		1,837,854
2021 Plan reserve increase January 1, 2023		1,186,965
ESPP reserve increase January 1, 2023		237,393
Options and restricted units granted		(1,209,516	)
Options and restricted units forfeited, cancelled, or expired		1,233,119
Shares available for grant at September 30, 2023		3,285,815

Schedule of Stock-Based Compensation Expense Recognized

Stock-based compensation expense recognized was as follows (in thousands):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2023		2022			2023		2022
Cost of goods sold	$	45	$	(8	)	$	121	$	46
Research and development		43		8			267		618
Selling, general and administrative		979		565			3,097		3,275
Total stock-based compensation expense	$	1,067	$	565		$	3,485	$	3,939

Stock Options [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of the Company's Stock Option Activity under its Stock Option Plans

A summary of the Company’s stock option activity under its stock option plans was as follows (in thousands, except share and per share data and years):

	Options Outstanding
	Number of Options			Weighted -Average Exercise Price		Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Balance — December 31, 2022		4,275,909		$	8.08		7.5	$	1,038
Authorized		—
Granted		1,165,643			2.22
Exercised		(2,748	)		1.97
Cancelled		(1,200,619	)		7.12
Balance — September 30, 2023		4,238,185		$	6.82		7.2	$	—
Exercisable — September 30, 2023		2,485,420		$	7.31		6.1	$	—

Schedule of Fair Value of Stock Option Awards Granted to Employees

The fair value of stock option awards granted to employees was estimated at the date of grant using a Black-Scholes-Merton option pricing model with the following assumptions:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Expected term (in years)	6.1	6.1	6.1	6.1
Expected volatility	71.3%-71.4%	72.5%-74.5%	70.7%-71.4%	72.5%-74.5%
Risk-free interest rate	3.38% -3.94%	2.90% - 3.45%	3.38% -3.95%	1.70% - 3.45%
Expected dividends	—	—	—	—

PSUs [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Fair Value of Stock Option Awards Granted to Employees

The fair value of PSUs granted to employees was estimated at the date of grant using the following assumptions:

	December 31, 2021
Contractual term (in years)	2.1
Expected volatility		0.83	%
Risk-free interest rate		0.70	%
Expected dividends	—

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Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Outstanding Shares of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders

The following outstanding shares of potentially dilutive securities were excluded from the computation of the diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

	Nine Months Ended September 30,
	2023		2022
Stock options to purchase common stock		4,238,185		4,281,702
Non-vested RSUs and PSUs		230,000		485,571
Warrants to purchase common stock		1,875,863		94,688
Total		6,344,048		4,861,961

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Organization and Description of Business - Additional Information (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended
	Oct. 31, 2023	May 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 05, 2023	Dec. 31, 2022	Mar. 17, 2022
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Proceeds from issuance or sale of equity, debt and warrants					$ 405,300,000
Restricted Cash			$ 4,502,000		4,502,000			$ 0
Minimum Liquidity Covenant					12,500,000
Gross sales proceeds from common stock issuance					0	$ 4,332,000
Accrued Interest			2,900,000	$ 1,600,000	6,700,000	3,100,000
Cash and cash equivalents			$ 239,000		239,000			$ 60,654,000
Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Gross Proceeds from Sale of Stocks					$ 65,000,000
Common Shares Sold					151,026
Average price per share			$ 0.4293		$ 0.4293
Common Stock, Preferred Stock, Debt Securities, Warrants, Subscription Rights
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Offering price of securities for, Offering, Issuance and Sale			$ 200,000,000		$ 200,000,000
Tranche B term loans
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Borrowing Amount			12,500,000		12,500,000
Tranche B Term Loans (Under Third Amendment) [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Current borrowing capacity			5,000,000		5,000,000
Borrowing Amount			7,500,000		7,500,000
Senior Credit Agreement
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Accrued Interest			51,400		51,400
Unrestricted cash balance			$ 12,500,000		12,500,000				$ 12,500,000
Exchange of long term debt instrument							$ 51,400,000
Accrued Interest				700,000		700,000
Amended Senior Credit Agreement [Member] | Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Rate of Common Stock Holders			10.00%
Amended Senior Credit Agreement [Member] | Tranche A-2 term loans
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Accrued Interest			$ 9,000,000		9,000,000
Obligation Exchanged Owed to Purchasers			9,000,000
Advanced Amount			3,000,000
Amended Senior Credit Agreement [Member] | Tranche B term loans
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Advanced Amount			4,500,000
Amended Senior Credit Agreement [Member] | Tranche B Term Loans (Under Third Amendment) [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Remaining Borrowing Amount			7,500,000		7,500,000
RIF
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Obligation Exchanged Owed to Purchasers			9,000,000
Accrued Interest			$ 800,000	$ 1,800,000	$ 3,400,000	$ 4,100,000
2022 ATM Program
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Gross Proceeds from Sale of Stocks	$ 90,000,000
2022 ATM Program | Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Gross Proceeds from Sale of Stocks		$ 50,000,000

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Restricted Cash	$ 4,502		$ 4,502		$ 0
Advertising expenses	$ 1,700	$ 1,500	$ 7,300	$ 5,000

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Fair Value Measurements - Summary of Fair Value, Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Liabilities:
Total financial liabilities	$ 757	$ 11,821
Warrant Liabilities [Member]
Liabilities:
Total financial liabilities	757	261
Derivative liability - Deferred royalty obligation [Member]
Liabilities:
Total financial liabilities		11,000
Derivative liability - Oaktree term loan [Member]
Liabilities:
Total financial liabilities		560
Level 1 [Member]
Liabilities:
Total financial liabilities	0	0
Level 1 [Member] | Warrant Liabilities [Member]
Liabilities:
Total financial liabilities	0	0
Level 1 [Member] | Derivative liability - Deferred royalty obligation [Member]
Liabilities:
Total financial liabilities		0
Level 1 [Member] | Derivative liability - Oaktree term loan [Member]
Liabilities:
Total financial liabilities		0
Level 2 [Member]
Liabilities:
Total financial liabilities	0	0
Level 2 [Member] | Warrant Liabilities [Member]
Liabilities:
Total financial liabilities	0	0
Level 2 [Member] | Derivative liability - Deferred royalty obligation [Member]
Liabilities:
Total financial liabilities		0
Level 2 [Member] | Derivative liability - Oaktree term loan [Member]
Liabilities:
Total financial liabilities		0
Level 3 [Member]
Liabilities:
Total financial liabilities	757	11,821
Level 3 [Member] | Warrant Liabilities [Member]
Liabilities:
Total financial liabilities	$ 757	261
Level 3 [Member] | Derivative liability - Deferred royalty obligation [Member]
Liabilities:
Total financial liabilities		11,000
Level 3 [Member] | Derivative liability - Oaktree term loan [Member]
Liabilities:
Total financial liabilities		$ 560

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Fair Value Measurements - Summary of Change in the Fair Value of the Common Stock Warrant Liabilities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Beginning balance as of December 31, 2022	$ 24
Ending balance as of September 30, 2023	24
Common Stock Warrant Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Beginning balance as of December 31, 2022	261
Issuance of warrants to Tranche B lenders	700
Change in fair value	(204)
Ending balance as of September 30, 2023	$ 757

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Fair Value Measurements - Change in the estimated fair value of the Company derivative liabilities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Fair Value Disclosures [Abstract]
Beginning balance as of December 31, 2022	$ 11,560
Change in fair value of derivatives - Deferred royalty obligation	(11,000)
Change in fair value of derivatives - Oaktree term loan	(560)
Ending balance as of September 30, 2023	$ 0

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Fair Value Measurements (Additional Information) (Details) - $ / shares		9 Months Ended
	Sep. 05, 2023	Sep. 30, 2023
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Derivative, Gain (Loss) on Derivative, Net
Warrant Issued On Pro Rata Basis	2,968,625
Common Stock [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Stock Issued During Period, Shares, New Issues		151,026
Common Stock [Member] | Senior Credit Agreement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Warrant Issued		1,781,175
Warrant [Member] | Senior Credit Agreement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Stock Issued During Period, Shares, New Issues		4,749,800
Warrant, Exercise Price, Increase		$ 0.01

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Corporate Restructuring - Additional Information (Details) - USD ($) $ in Thousands		9 Months Ended
	Feb. 22, 2023	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Payment for Restructuring		$ 934
Corporate Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in workforce percentage	16.00%
Total Estimated Cash Expenses for Restructuring		1,000
Payment for Restructuring		900
Impairment charges for long-lived assets		$ 400

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Corporate Restructuring - Schedule of Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring and Related Activities [Abstract]
Severance and employee-related costs			$ 1,007
Long-lived asset impairments and write-offs			415
Supplemental one-time termination charges			59
Total	$ 0	$ 0	$ 1,481	$ 0

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Corporate Restructuring - Summary of the activity related to the restructuring liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring and Related Activities [Abstract]
Restructuring Reserve, Beginning Balance			$ 0
Restructuring, impairment and related charges	$ 0	$ 0	1,481	$ 0
Cash payments			(934)
Noncash activities			(437)
Restructuring Reserve, Ending Balance	$ 110		$ 110

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Balance Sheet Components - Schedule of Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Raw materials	$ 5,055	$ 2,461
Work-in-process	3,877	4,191
Finished goods	1,536	3,334
Total inventories	10,468	9,986
Less: long-term inventories	(3,604)	(1,559)
Total current inventories	$ 6,864	$ 8,427

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Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Prepaid insurance	$ 2,390	$ 1,036
Other prepaids	2,219	1,587
Other current assets	621	649
Tax refund receivable	6	12
Total prepaid expenses and other current assets	$ 5,236	$ 3,284

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Balance Sheet Components (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Balance Sheet Related Disclosures [Abstract]
Inventory Write-down		$ 1,190	$ 0
Inventory Write-Down	$ 100	$ 1,200

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Balance Sheet Components - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Accrued sales discounts and allowances	$ 3,361	$ 3,376
Accrued compensation	2,729	5,287
Accrued other liabilities	1,478	1,662
Accrued professional services	720	1,808
Accrued construction in progress	158	370
Total accrued liabilities	$ 8,446	$ 12,503

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Leases (Additional Information) (Details) $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2017 ft²	Apr. 30, 2022 ft²	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets			$ 3,730		$ 3,730		$ 3,132
Operating lease liability			3,797		3,797
Operating lease expense			500	$ 300	1,400	$ 1,000
Variable lease expense			$ 100	$ 100	$ 300	300
Rent expenses						$ 100
Real Estate Leases
Lessee, Lease, Description [Line Items]
Non cancelable operating lease area | ft²	11,256	8,045
Percentage increase in rent payable monthly	3.00%	2.50%
Initial term of the lease	3 years
Renewed the lease	four years	127
Operating lease expiration date	Aug. 31, 2024
Commercial Fleet Leases
Lessee, Lease, Description [Line Items]
Initial term of the lease			12 months		12 months
Lease renewal term			54 months		54 months

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Leases - Companys undiscounted operating lease cash flows to its operating lease liability (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Leases [Abstract]
Remaining 2023	$ 484
2024	1,571
2025	718
2026	292
2027 and thereafter	1,830
Total undiscounted cash flows	4,895
Less: imputed interest	(1,098)
Total lease liabilities	3,797
Less: current portion	(1,562)	$ (1,541)
Lease liabilities	$ 2,235	$ 1,573

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Leases - Weighted average discount rate used to determine the operating lease liability (Details)	Sep. 30, 2023
Leases [Abstract]
Weighted average remaining lease term (years)	5 years 2 months 12 days
Weighted average discount rate	8.10%

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Long-Term Obligations - Additional Information (Details) - USD ($)				3 Months Ended		9 Months Ended
	Sep. 05, 2023	Aug. 21, 2023	Mar. 17, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 17, 2023	Dec. 31, 2022	Jul. 02, 2021
Debt Instrument [Line Items]
Long-term debt, description						The term loans accrued interest at the greater of (i) 7.95% or (ii) the sum of (a) the greater of (1) the thirty (30) day U.S. LIBOR or (2) 0.11%, plus (b) 7.84%
Warrant Issued On Pro Rata Basis	2,968,625
Final principal payment	$ 101,500,000
Lender Fee Incurred						$ 400,000
Revenue Transfer						4,500,000
Amortization of Debt Discount (Premium)						$ 700,000
Final Payment Percentage of Principal Amount Term Loan						6.50%
Common Stock Issued As Warrant Exercisable	1,781,175			23,749,005		23,749,005			23,739,313
Quarterly principal payments						$ 2,500,000
Outstanding principal, interest and final payment amount						0	$ 32,853,000
Loss on early extinguishment of debt						0	3,251,000
Payments of Debt Issuance Costs						500,000
forbearance fee	$ 5,000,000
Interest expense				$ 2,900,000	$ 1,600,000	6,700,000	3,100,000
Fair value of derivative liability				1,500,000		$ 1,500,000
Maximum [Member]
Debt Instrument [Line Items]
Prepayment fee for loan payment						3.00%
Minimum [Member]
Debt Instrument [Line Items]
Prepayment fee for loan payment						1.00%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
interest rate		10.75%
Interest expense						$ 10,750
Oaktree Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Short-term Non-bank Loans and Notes Payable			$ 50,000,000
Debt instrument, maturity date			Mar. 17, 2027
Oaktree Loan and Security Agreement [Member] | Tradhesa [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate			8.00%
Net revenue			$ 125,000,000
Oaktree Loan and Security Agreement [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate			8.75%
RIF
Debt Instrument [Line Items]
Interest expense				800,000	1,800,000	3,400,000	4,100,000
Payment Purchase				1,200		1,200
Fair value of derivative liability									$ 11,000,000
RIF | One year anniversary
Debt Instrument [Line Items]
Future revenue interests								1.25%
RIF | Two year anniversary
Debt Instrument [Line Items]
Future revenue interests								1.40%
RIF | Three year anniversary
Debt Instrument [Line Items]
Future revenue interests								1.55%
RIF | Four year anniversary
Debt Instrument [Line Items]
Future revenue interests								1.75%
RIF | Maximum [Member]
Debt Instrument [Line Items]
Change in royalty rate			10.75%
RIF | Minimum [Member]
Debt Instrument [Line Items]
Change in royalty rate			7.75%
RIF | Tradhesa [Member]
Debt Instrument [Line Items]
Future net Revenue Interests, descriptions			Under the terms of the RIF Agreement, the Company received $50.0 million (“Investment Amount”), less transaction expenses, in exchange for tiered royalty payments on worldwide net sales from Trudhesa, as follows: 7.75% on annual United States net sales up to $150.0 million; 4.75% on annual United States net sales between $150 million and $300 million; 0.75% on annual United States net sales greater than $300.0 million; and 10% of any upfront payments, milestone payments and royalties received by us from licensing or partnerships relating to Trudhesa outside the United States
Financing cost			$ 50,000,000
Senior Credit Agreement
Debt Instrument [Line Items]
Unrestricted cash balance			$ 12,500,000	12,500,000		12,500,000
Prepayment fee for loan payment			2.00%
Amortization of Debt Issuance Costs				200,000			200,000
Exchange of long term debt instrument	51,400,000
Loss on early extinguishment of debt			$ (3,300,000)
Interest expense					$ 700,000		$ 700,000
Term Loan [Member]
Debt Instrument [Line Items]
Debt Issuance Costs at closing				2,900,000		2,900,000
Outstanding principal, interest and final payment amount						32,900,000
Face value of term loan										$ 50,000,000
Fair value of term loan				$ 400,000		$ 400,000
Fair value of derivative liability									$ 600,000
Term Loan [Member] | Senior Credit Agreement
Debt Instrument [Line Items]
Outstanding principal, interest and final payment amount			$ 30,000,000
Term A Loan [Member] | Warrant [Member]
Debt Instrument [Line Items]
Common Stock Issued As Warrant Exercisable				71,522		71,522
Warrant Exercise Price Per Share				$ 8.39		$ 8.39
Term B Loan [Member] | Warrant [Member]
Debt Instrument [Line Items]
Common Stock Issued As Warrant Exercisable				23,166		23,166
Warrant Exercise Price Per Share				$ 12.95		$ 12.95
Tranche A [Member]
Debt Instrument [Line Items]
Unamortize balance of debt discount				$ 4,900,000		$ 4,900,000
Tranche A [Member] | RIF
Debt Instrument [Line Items]
Exchange of long term debt instrument	41,000,000
Tranche A [Member] | Senior Credit Agreement | Maximum [Member]
Debt Instrument [Line Items]
Exit fee						2,000,000
Tranche A [Member] | Senior Credit Agreement | Minimum [Member]
Debt Instrument [Line Items]
Exit fee						3,000,000
Tranche A-2 Term Loans [Member]
Debt Instrument [Line Items]
Exchange of long term debt instrument	3,000,000
Long-Term Debt		$ 3,000,000
Tranche A-2 Term Loans [Member] | RIF
Debt Instrument [Line Items]
Exchange of long term debt instrument		9,000,000
Debt Conversion, Converted Instrument, Amount		$ 9,000,000
Tranche A-2 Term Loans [Member] | Senior Credit Agreement
Debt Instrument [Line Items]
Exchange of long term debt instrument	9,000,000
Tranche B Term [Member]
Debt Instrument [Line Items]
Remaining borrowing capacity				12,500,000		12,500,000
Long-Term Debt				20,000,000		20,000,000
Tranche B Term [Member] | RIF
Debt Instrument [Line Items]
Long-Term Debt	20,000,000
Tranche B Term [Member] | Senior Credit Agreement
Debt Instrument [Line Items]
Long-Term Debt	$ 4,500,000
Tranche B Term [Member] | Amended Credit Agreement [Member]
Debt Instrument [Line Items]
Warrant Coverage of Outstanding Share	19.99%
Warrant execise price	$ 0.01
Tranche A And Tranche B Term loans [Member]
Debt Instrument [Line Items]
Long-Term Debt				$ 141,500,000		$ 141,500,000

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Common Stock - Additional Information (Details) - USD ($)	1 Months Ended	9 Months Ended
	May 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 05, 2023	Dec. 31, 2022
Gross sales proceeds from common stock issuance		$ 0	$ 4,332,000
Common Stock, Shares, Issued		23,749,005		1,781,175	23,739,313
2022 ATM Program
gross sales proceeds		$ 9,000,000
Excess Stock, Shares Issued		151,026
Common Stock, Shares, Issued		45,000,000
Average Price Per Share		$ 0.4293
Proceeds from net of commissions		$ 65,000,000
Common Stock
Common stock, voting rights		Each share of common stock has the right to one vote.
Cash dividends declared		$ 0
Gross sales proceeds from common stock issuance		$ 65,000,000
Common Stock | 2022 ATM Program
Gross sales proceeds from common stock issuance	$ 50,000,000

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Common Stock - Schedule of Reserved Shares of Common Stock for Issuance, on an as-Converted Basis (Details) - shares	Sep. 30, 2023	Dec. 31, 2022
Stock Incentive Plans [Member]
Issuance of common stock, net of issuance costs	7,754,000	6,351,263
Common Stock Warrants [Member]
Issuance of common stock, net of issuance costs	1,875,863	94,688
Redeemable Convertible Preferred Stock Warrant [Member]
Issuance of common stock, net of issuance costs	9,629,863	6,445,951

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Stock Incentive Plan - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning Balance	4,238,185		4,238,185			4,275,909
Remaining Contractual Term (Years), Exercisable			6 years 1 month 6 days
Number of shares available for grant	3,285,815		3,285,815			1,837,854
Unvested stock options, cost not yet recognized, amount	$ 6.8		$ 6.8
Unvested award, cost not yet recognized, period for recognition			2 years 2 months 12 days
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award expiration period			10 years
Remaining Contractual Term (Years), Exercisable			4 years
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
PSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested stock options, cost not yet recognized, amount	$ 0.1		$ 0.1
Unvested award, cost not yet recognized, period for recognition			10 months 24 days
Number of Shares, Vested			0
Outstanding shares	182,500		182,500			237,500
Expected dividend yield			0.00%				0.00%
2021 Stock Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in number of shares available for future grant			1,186,965
Percentage of total number of outstanding shares of common stock			5.00%
2021 Equity Incentive Plan Policies [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning Balance	4,490,685		4,490,685
Issuance of common stock, net of issuance costs	7,776,500		7,776,500
Number of shares available for grant	3,285,815		3,285,815
2021 Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in number of shares available for future grant			237,393
Percentage of total number of outstanding shares of common stock			5.00%
Total Shareholder Return (TSR) [Member] | PSUs [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target Shares Granted					150.00%	125.00%
Total Shareholder Return (TSR) [Member] | PSUs [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target Shares Granted					0.00%	0.00%

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Stock Incentive Plans - Changes In Shares Available For Grant Under The 2021 Plan (Details)	9 Months Ended
	Sep. 30, 2023 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares Available for Grant, Beginning Balance	1,837,854
Options and restricted units granted	(1,209,516)
Options and restricted units forfeited, cancelled, or expired	1,233,119
Shares Available for Grant, Ending Balance	3,285,815
2021 Stock Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Increase in number of shares available for future grant	1,186,965
2021 Employee Stock Purchase Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Increase in number of shares available for future grant	237,393

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Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 1,067	$ 565	$ 3,485	$ 3,939
Cost of goods sold [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	45	8	121	46
Research and Development [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	43	8	267	618
Selling, general and administrative [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 979	$ 565	$ 3,097	$ 3,275

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Stock Incentive Plan - Summary of the Company's Stock Option Activity under its Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]
Shares Available for Grant, Authorized	0
Number of Options, Beginning Balance	4,275,909
Number of Options, Granted	1,165,643
Number of options, exercised	(2,748)
Number of Options, Cancelled	(1,200,619)
Number of Options, Ending Balance	4,238,185	4,275,909
Number of Options, Exercisable	2,485,420
Weighted-Average Exercise Price, Beginning Balance	$ 8.08
Weighted-Average Exercise Price, Granted	2.22
Weighted-Average Exercise Price, Exercised	1.97
Weighted-Average Exercise Price, Cancelled	7.12
Weighted-Average Exercise Price, Ending Balance	6.82	$ 8.08
Weighted-Average Exercise Price, Exercisable	$ 7.31
Remaining Contractual Term (Years), Balance	7 years 2 months 12 days	7 years 6 months
Remaining Contractual Term (Years), Exercisable	6 years 1 month 6 days
Aggregate Intrinsic Value, Beginning Balance	$ 1,038
Aggregate Intrinsic Value, Ending Balance	0	$ 1,038
Aggregate Intrinsic Value, Exercisable	$ 0

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Stock Incentive Plan - Schedule of Fair Value of Stock Option Awards Granted to Employees (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2021
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)	6 years 1 month 6 days	6 years 1 month 6 days	6 years 1 month 6 days	6 years 1 month 6 days
Expected dividends	0.00%	0.00%	0.00%	0.00%
Stock Options [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility	71.30%	72.50%	70.70%	72.50%
Risk-free interest rate	3.38%	2.90%	3.38%	1.70%
Stock Options [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility	71.40%	74.50%	71.40%	74.50%
Risk-free interest rate	3.94%	3.45%	3.95%	3.45%
PSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)					2 years 1 month 6 days
Expected volatility					0.83%
Risk-free interest rate					0.70%
Expected dividends			0.00%		0.00%

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Defined Contribution Plan - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retirement Benefits [Abstract]
Maximum Employee's Contribution, Percent			4.00%
Expense, Defined Contribution Plan	$ 0.2	$ 0.2	$ 0.7	$ 0.6

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Net Loss Per Share - Schedule of Outstanding Shares of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	6,344,048	4,861,961
Stock Options to Purchase Common Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	4,238,185	4,281,702
Non-Vested RSUs and PSUs [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	230,000	485,571
Warrants to Purchase Common Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	1,875,863	94,688

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Subsequent Events (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Oct. 02, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 05, 2023
Subsequent Event [Line Items]
Gross sales proceeds from common stock issuance		$ 0	$ 4,332
Tranche B Term Loans
Subsequent Event [Line Items]
Long-Term Debt		$ 20,000
Senior Credit Agreement [Member] | Tranche B Term Loans
Subsequent Event [Line Items]
Long-Term Debt				$ 4,500
Sale of Common Stock [Member]
Subsequent Event [Line Items]
Common stock shares sold		151,026
Gross sales proceeds from common stock issuance		$ 65,000
Average price per share		$ 0.4293
Subsequent Event | Amendments to Credit Agreement | Tranche B Term Loans
Subsequent Event [Line Items]
Proceeds from Other Equity	$ 5,000
Borrowing Amount	7,500
Long-Term Debt	$ 5,000
Prepayment Proceeds Rate	50.00%