8-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________

FORM 8-K

_________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): May 7, 2024

_________________________

INSPIRE MEDICAL SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

_________________________

Delaware	001-38468	26-1377674
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

5500 Wayzata Blvd., Suite 1600

Golden Valley, Minnesota 55416

(Address of principal executive offices) (Zip Code)

(844) 672-4357

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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, $0.001 par value per share	INSP	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

Item 2.02.    Results of Operations and Financial Condition.

On May 7, 2024, Inspire Medical Systems, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended March 31, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 7.01. Regulation FD Disclosure.

In May and June of 2024, the Company will be participating in various meetings with investors and analysts, and a copy of the Company’s presentation materials being used at these meetings is furnished as Exhibit 99.2 hereto and is incorporated herein by reference. These presentation materials are also available on the Investor Relations page of the Company’s website at https://investors.inspiresleep.com.

The information in each of Item 2.02 and Item 7.01 of this Current Report on Form 8-K and in the press release attached as Exhibit 99.1 and the presentation attached as Exhibit 99.2 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01.    Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
99.1	Press release of Inspire Medical Systems, Inc., dated May 7, 2024.
99.2	Inspire Medical Systems, Inc. Presentation, May 2024.
104	Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

2

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 hereunto duly authorized.

		INSPIRE MEDICAL SYSTEMS, INC.
Date:	May 7, 2024	By:	/s/ Richard J. Buchholz
			Richard J. Buchholz
			Chief Financial Officer

3

EX-99.1

Exhibit 99.1

Inspire Medical Systems, Inc. Announces First Quarter 2024

Financial Results and Updates 2024 Outlook

Inspire Reports Year-over-Year

Revenue Growth of 28% in the First Quarter and Expects Profitability for the Full Year 2024

MINNEAPOLIS, Minnesota - May 7, 2024 - Inspire Medical Systems, Inc. (NYSE: INSP) (Inspire), a medical technology company focused on the development and commercialization of innovative, minimally invasive solutions for patients with obstructive sleep apnea, today reported financial results for the quarter ended March 31, 2024.

Recent Business Highlights

•Generated revenue of $164.0 million in the first quarter of 2024, a 28% increase over the same quarter last year

•Achieved gross margin of 84.9% in the first quarter of 2024

•Activated 66 new U.S. centers in the first quarter of 2024, bringing the total to 1,246 U.S. medical centers providing Inspire therapy

•Created 11 new U.S. sales territories in the first quarter of 2024, bringing the total to 298 U.S. sales territories

"We are pleased with our strong performance in the first quarter, growing revenue 28% year-over-year. Our revenue growth was again driven by increased market penetration in existing centers, expansion into new territories, and increased physician and patient awareness of our Inspire therapy," said Tim Herbert, Chairman and Chief Executive Officer of Inspire Medical Systems. "Given our strong performance in the quarter and our improved outlook for the remainder of 2024, we are increasing our revenue guidance and we now expect to be profitable for the full year 2024.”

First Quarter 2024 Financial Results

Revenue was $164.0 million for the three months ended March 31, 2024, a 28% increase from $127.9 million in the corresponding period in the prior year. U.S. revenue for the quarter was $155.8 million, an increase of 25% as compared to the prior year quarter. First quarter revenue outside the U.S. was $8.2 million, an increase of 141% as compared to the first quarter of 2023.

Gross margin was 84.9% for the three months ended March 31, 2024, compared to 84.4% for the corresponding prior year period.

Operating expenses increased to $154.5 million for the first quarter of 2024, as compared to $127.5 million in the corresponding prior year period, an increase of 21%. This increase primarily reflected ongoing investments in the expansion of the U.S. sales organization, direct-to-patient marketing programs, continued product development efforts, as well as increased general corporate costs.

Net loss was $10.0 million for the first quarter of 2024, as compared to $15.4 million in the corresponding prior year period. The net loss per share for the first quarter of 2024 was $0.34 per share, as compared to $0.53 in the prior year period.

As of March 31, 2024, cash, cash equivalents, and investments decreased to $469.2 million from $469.5 million on December 31, 2023.

Full Year 2024 Guidance

Inspire is increasing its full year 2024 revenue guidance to between $783 million to $793 million, which represents growth of 25% to 27% over full year 2023 revenue of $624.8 million. This compares to the prior revenue guidance of $775 million to $785 million.

The Company is maintaining its full year 2024 gross margin guidance of 83% to 85%.

Inspire is initiating first-time diluted net income per share guidance for the full year 2024 of between $0.10 to $0.20 per share.

Inspire is also maintaining its guidance relating to the opening of new U.S. medical centers of 52 to 56 per quarter, as well as its guidance of 12 to 14 new U.S. territories per quarter for the remainder of 2024.

Webcast and Conference Call

Inspire’s management will host a conference call after market close today, Tuesday, May 7, 2024, at 5:00 p.m. Eastern Time to discuss these results and answer questions.

To access the conference call, please preregister on

https://register.vevent.com/register/BI50f0467cd69d485bba2cfe96040dad0a. Registrants will receive confirmation with dial-in details.

A live webcast of the event can be accessed on https://edge.media-server.com/mmc/p/3xastmph/. A replay of the webcast will be available on https://investors.inspiresleep.com starting approximately two hours after the event and archived on the site for two weeks.

About Inspire Medical Systems

Inspire is a medical technology company focused on the development and commercialization of innovative, minimally invasive solutions for patients with obstructive sleep apnea. Inspire’s proprietary Inspire therapy is the first and only FDA-approved neurostimulation technology that provides a safe and effective treatment for moderate to severe obstructive sleep apnea.

For additional information about Inspire, please visit www.inspiresleep.com.

Forward Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts are forward-looking statements, including, without limitation, statements regarding full year 2024 financial outlook, our expectations to activate new U.S. medical centers and add new territories per quarter in 2024 and the impact of such additions, our expectations regarding operating leverage and profitability during 2024, and our strategy and investments to grow and scale our business. In some cases, you can identify forward-looking statements by terms such as ‘‘may,’’ ‘‘will,’’ ‘‘should,’’ ‘‘expect,’’ ‘‘plan,’’ ‘‘anticipate,’’ ‘‘could,’’ “future,” “outlook,” “guidance,” ‘‘intend,’’ ‘‘target,’’ ‘‘project,’’ ‘‘contemplate,’’ ‘‘believe,’’ ‘‘estimate,’’ ‘‘predict,’’ ‘‘potential,’’ ‘‘continue,’’ or the negative of these terms or other similar expressions, although not all forward-looking statements contain these words.

These forward-looking statements are based on management’s current expectations and involve known and unknown risks and uncertainties that may cause our actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, estimates regarding the annual total addressable market for our Inspire therapy in the U.S. and our market opportunity outside the U.S.; future results of operations, financial position, research and development costs, capital requirements and our needs for additional financing; commercial success and market acceptance of our Inspire therapy; the impact of macroeconomic trends; general and international economic, political, and other risks, including currency, inflation, stock market fluctuations and the uncertain economic environment; challenges experienced by patients in obtaining prior authorization, our ability to achieve and maintain adequate levels of coverage or reimbursement for our Inspire system or any future products we may seek to commercialize; competitive companies and technologies in our industry; our ability to enhance our

Inspire system, expand our indications and develop and commercialize additional products; our business model and strategic plans for our products, technologies and business, including our implementation thereof; our ability to accurately forecast customer demand for our Inspire system and manage our inventory; our dependence on third-party suppliers, contract manufacturers and shipping carriers; consolidation in the healthcare industry; our ability to expand, manage and maintain our direct sales and marketing organization, and to market and sell our Inspire system in markets outside of the U.S.; risks associated with international operations; our ability to manage our growth; our ability to increase the number of active medical centers implanting Inspire therapy; our ability to hire and retain our senior management and other highly qualified personnel; risk of product liability claims; risks related to information technology and cybersecurity; risk of damage to or interruptions at our facilities; our ability to commercialize or obtain regulatory approvals for our Inspire therapy and system, including our next generation Inspire therapy system,or the effect of delays in commercializing or obtaining regulatory approvals; FDA or other U.S. or foreign regulatory actions affecting us or the healthcare industry generally, including healthcare reform measures in the U.S. and international markets; and the timing or likelihood of regulatory filings and approvals. Other important factors that could cause actual results, performance or achievements to differ materially from those contemplated in this press release can be found under the captions “Risk Factors” and "Management's Discussion and Analysis of Financial Condition and Results of Operations“ in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023, as updated in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2024 to be filed with the SEC, and as such factors may be updated from time to time in our other filings with the SEC, which are accessible on the SEC’s website at www.sec.gov and the Investors page of our website at www.inspiresleep.com. These and other important factors could cause actual results to differ materially from those indicated by the forward-looking statements made in this press release. Any such forward-looking statements represent management’s estimates as of the date of this press release. While we may elect to update such forward-looking statements at some point in the future, unless required by applicable law, we disclaim any obligation to do so, even if subsequent events cause our views to change. Thus, one should not assume that our silence over time means that actual events are bearing out as expressed or implied in such forward-looking statements. These forward-looking statements should not be relied upon as representing our views as of any date after the date of this press release.

Investor & Media Contact

Ezgi Yagci

Vice President, Investor Relations

ezgiyagci@inspiresleep.com

617-549-2443

Inspire Medical Systems, Inc.

Consolidated Statements of Operations and Comprehensive Loss (unaudited)

(in thousands, except share and per share amounts)

	Three Months Ended March 31,
	2024		2023
Revenue	$	164,010	$	127,897
Cost of goods sold	24,757		19,888
Gross profit	139,253		108,009
Operating expenses:
Research and development	28,850		25,519
Selling, general and administrative	125,621		101,988
Total operating expenses	154,471		127,507
Operating loss	(15,218)		(19,498)
Other (income) expense:
Interest and dividend income	(5,923)		(4,273)
Other expense (income), net	60		(17)
Total other income	(5,863)		(4,290)
Loss before income taxes	(9,355)		(15,208)
Income taxes	650		216
Net loss	(10,005)		(15,424)
Other comprehensive loss:
Foreign currency translation (loss) gain	(134)		105
Unrealized (loss) gain on investments	(542)		13
Total comprehensive loss	$	(10,681)	$	(15,306)
Net loss per share, basic and diluted	$	(0.34)	$	(0.53)
Weighted average common shares used to    compute net loss per share, basic and diluted	29,615,166		29,089,950

Inspire Medical Systems, Inc.

Consolidated Balance Sheets (unaudited)

(in thousands, except share and per share amounts)

	March 31, 2024		December 31, 2023
Assets
Current assets:
Cash and cash equivalents	$	175,416	$	185,537
Investments, short-term	265,945		274,838
Accounts receivable, net of allowance for credit losses of     $256 and $1,648, respectively	72,333		89,884
Inventories, net	48,974		33,885
Prepaid expenses and other current assets	9,546		9,595
Total current assets	572,214		593,739
Investments, long-term	27,803		9,143
Property and equipment, net	52,281		39,984
Operating lease right-of-use assets	22,248		22,667
Other non-current assets	11,296		11,278
Total assets	$	685,842	$	676,811
Liabilities and stockholders' equity
Current liabilities:
Accounts payable	$	43,802	$	38,839
Accrued expenses	28,370		39,266
Total current liabilities	72,172		78,105
Operating lease liabilities, non-current portion	24,500		24,846
Other non-current liabilities	146		1,346
Total liabilities	96,818		104,297
Stockholders' equity:
Preferred Stock, $0.001 par value, 10,000,000 shares authorized; no shares      issued and outstanding	—		—
Common Stock, $0.001 par value per share; 200,000,000 shares authorized; 29,676,095 and 29,560,464 issued and outstanding at March 31, 2024 and December 31, 2023, respectively	30		30
Additional paid-in capital	944,298		917,107
Accumulated other comprehensive income	124		800
Accumulated deficit	(355,428)		(345,423)
Total stockholders' equity	589,024		572,514
Total liabilities and stockholders' equity	$	685,842	$	676,811

EX-99.2

Inspire Medical Systems, Inc. May 2024 NYSE: INSP

© Inspire Medical Systems, Inc. All Rights Reserved. Disclaimer 2 This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts are forward-looking statements. In some cases, you can identify forward-looking statements by terms such as ‘‘may,’’ ‘‘will,’’ ‘‘should,’’ ‘‘expect,’’ ‘‘plan,’’ ‘‘anticipate,’’ ‘‘could,’’ “future,” “outlook,” ‘‘intend,’’ ‘‘target,’’ ‘‘project,’’ ‘‘contemplate,’’ ‘‘believe,’’ ‘‘estimate,’’ ‘‘predict,’’ ‘‘potential,’’ ‘‘continue,’’ or the negative of these terms or other similar expressions, although not all forward-looking statements contain these words. The forward-looking statements in this presentation relate to, among other things, statements regarding the planned investments in our business, our growth strategies, the expected timing of regulatory approval and market introduction for new products, including the Inspire V neurostimulator, the potential impact that our growth strategies and initiatives may have on our business, full year 2024 financial and operational outlook, the ability of our SleepSync digital health platform to drive growth, and positive insurance coverage of Inspire therapy and improvements in patient flow, care pathway capacity, market access, clinical data growth, product development, indication expansion, market development, and prior authorization approvals. These forward-looking statements are based on management’s current expectations and involve known and unknown risks and uncertainties that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, estimates regarding the annual total addressable market for our Inspire therapy in the U.S. and our market opportunity outside the U.S.; future results of operations, financial position, research and development costs, capital requirements and our needs for additional financing; commercial success and market acceptance of our Inspire therapy; the impacts of public health crises and pandemics; general and international economic, political, and other risks, including currency and stock market fluctuations and the uncertain economic environment; challenges experienced by patients in obtaining prior authorization; our ability to achieve and maintain adequate levels of coverage or reimbursement for our Inspire system or any future products we may seek to commercialize; competitive companies and technologies in our industry; our ability to enhance our Inspire system, expand our indications and develop and commercialize additional products; our business model and strategic plans for our products, technologies and business, including our implementation thereof; our ability to accurately forecast customer demand for our Inspire system and manage our inventory; our dependence on third-party suppliers, contract manufacturers and shipping carriers; consolidation in the healthcare industry; our ability to expand, manage and maintain our direct sales and marketing organization, and to market and sell our Inspire system in markets outside of the U.S.; risks associated with international operations; our ability to manage our growth; our ability to increase the number of active medical centers implanting Inspire therapy; our ability to hire and retain our senior management and other highly qualified personnel; risk of product liability claims; risks related to information technology and cybersecurity; risk of damage to or interruptions at our facilities; our ability to obtain regulatory approvals for, and commercialize, our Inspire therapy and system, or the effect of delays in obtaining regulatory approvals or commercializing; FDA or other U.S. or foreign regulatory actions affecting us or the healthcare industry generally, including healthcare reform measures in the U.S. and international markets; the timing or likelihood of regulatory filings and approvals; risks related to our debt and capital structure; our ability to establish and maintain intellectual property protection for our Inspire therapy and system or avoid claims of infringement; tax risks; risks that we may be deemed an investment company under the Investment Company Act of 1940; regulatory risks; the volatility of the trading price of our common stock; and our expectations about market trends. Other important factors that could cause actual results, performance or achievements to differ materially from those contemplated in this presentation can be found under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our most recently filed Annual Report on Form 10-K as updated in our most recently filed Quarterly Report on Form 10-Q, and as such factors may be updated from time to time in our other filings with the SEC, which are accessible on the SEC’s website at www.sec.gov and the Investors page of our website at www.inspiresleep.com. These and other important factors could cause actual results to differ materially from those indicated by the forward-looking statements made in this presentation. Any such forward-looking statements represent management’s estimates as of the date of this presentation. While we may elect to update such forward-looking statements at some point in the future, unless required by applicable law, we disclaim any obligation to do so, even if subsequent events cause our views to change. Thus, one should not assume that our silence over time means that actual events are bearing out as expressed or implied in such forward-looking statements. These forward-looking statements should not be relied upon as representing our views as of any date subsequent to the date of this presentation. This presentation contains trademarks, trade names and service marks of other companies, which are the property of their respective owners. We do not intend our use or display of other parties' trademarks, trade names or service marks to imply, and such use or display should not be construed to imply, a relationship with, or endorsement or sponsorship of us by, these other parties.

© Inspire Medical Systems, Inc. All Rights Reserved. Company Overview The first and only… 3 >280 PUBLICATIONS Compelling body of evidence >260 MILLION U.S. COVERED LIVES Established reimbursement in all 50 states >1,000 EMPLOYEES Led by a proven management team >$625 MILLION REVENUE IN 2023 With 40% year-over-year growth >65,000 PATIENTS TREATED Significant first-mover advantage >$10 BILLION Underpenetrated U.S. market Innovative, closed-loop, neurostimulation technology for Obstructive Sleep Apnea (OSA)

© Inspire Medical Systems, Inc. All Rights Reserved. Company Overview Our History and Key Milestones 4 20222016 20202007 2014 2018 20232017 20212011 • Inspire is founded after being spun out of Medtronic • Initiated Phase III pivotal STAR trial • STAR results published in the New England Journal of Medicine; received PMA approval from the FDA • 1,000th implant milestone • Launched Inspire IV neurostimulator in U.S.; 2,000th implant • Inspire IV CE mark; 5-year STAR results publication; IPO on NYSE; • Medicare coverage in all 50 states; Inspire Sleep app released; 10,000th implant • FDA approved 2-incision approach and Bluetooth® remote; 20,000th implant • First implants in Japan, Singapore, and the U.K.; FDA approved full-body MRI compatibility • Expanded AHI, BMI and pediatric Down syndrome indications; 60,000th implant; revenues of ~$625M 2010 • Inspire II CE mark received in Europe

© Inspire Medical Systems, Inc. All Rights Reserved. Obstructive Sleep Apnea is Caused by Blockage that Prevents Airflow to the Lungs 5 Airway obstruction during breathing Typical OSA event • Results in repeated arousals and oxygen desaturations • Severity of sleep apnea is measured by frequency of apnea or hypopnea events per hour, which is referred to as the Apnea-Hypopnea Index (AHI) Normal Mild Moderate Severe 5 15 30 Apnea-Hypopnea Index

© Inspire Medical Systems, Inc. All Rights Reserved. OSA is a Chronic Disease That is Often Untreated and Proven to be Linked to Serious Health Risks 6 Exacerbated Health Risks • High risk patients: obese, male or of advanced age • Common first indicator: heavy snoring • Other indicators: • Lack of energy • Headaches • Depression • Nighttime gasping • Dry mouth • Memory or concentration problems • Excessive daytime sleepiness 1. Redline et al, The Sleep Heart Health Study. Am J Res and Crit Care Med 2010. 2. Gami et al, J Am Coll Cardiol 2013. 3. Young et al, J Sleep 2008. 4. Li et al, Europace 2014. 5. Prospective Study of Obstructive Sleep Apnea and Incident Coronary Heart Disease and Heart Failure from SHHS and Wisconsin Sleep Cohort Study. 2x The risk for stroke1 2x The risk for sudden cardiac death2 57% Increased risk for recurrence of Atrial Fibrillation after ablation4 5x The risk for cardiovascular mortality3 Years of Follow-up % S ur vi vi ng Increased Risk of Mortality 5 Typical Patient Profile

© Inspire Medical Systems, Inc. All Rights Reserved. Current Treatment Options, Such As CPAP and Invasive Surgeries, Have Significant Limitations 7 InaUvulopalatopharyngoplasty (UPPP) Maxillomandibular Advancement (MMA) • Several variations of sleep surgery • Success rates vary widely (30% - 60%)1 • Irreversible anatomy alteration • Inpatient surgery with extended recovery …with surgical alternatives for treatmentCPAP is the first-line therapy… 1. Shah, Janki, et al; American Journal of Otolaryngology (2018). Uvulopalatopharyngoplasty vs. CN XII stimulation for treatment of obstructive sleep apnea: A single institution experience. Drivers of Non-Compliance • Demonstrated improvements in disease severity and long-term gold standard therapy • Major limitation as a therapeutic option is primarily due to low patient compliance (~35%–65%) • Mask Discomfort • Mask Leakage • Pressure Intolerance • Skin Irritation • Nasal Congestion • Nasal Drying • Nosebleeds • Claustrophobia • Lack of Intimacy

© Inspire Medical Systems, Inc. All Rights Reserved.8 Strong Market Opportunity Exists for an Alternative to CPAP that is Effective and Minimally Invasive 1. Source: World Health Organization. 2. Company estimates. 3. Represents moderate to severe OSA. Source: McKinsey & Company, 2010. Adults with Moderate to Severe OSA Prescribed CPAP2 = ~2 million •Less: 65% CPAP Compliant 35% of CPAP Non- Compliant Adults = ~700,000 •Less: 30% Anatomy Challenges 70% Inspire Anatomy Eligible = ~500,000 •Multiplied by our average selling price Inspire U.S. Market = ~$10 billion Published literature estimates CPAP non-compliance rates of 35% - 65%• Sleep apnea affects +100 million people worldwide1 • Approximately 17 million individuals in the U.S. with moderate to severe OSA • Annually, ~2 million adult patients are prescribed a CPAP device 2 • Annual U.S. economic costs of untreated moderate to severe OSA are estimated to be between $65 - $165 billion3 • OSA economic costs are potentially greater than asthma, heart failure, stroke, and hypertensive disease • OSA is associated with an increase in: • Rate & severity of vehicle accidents • Increased healthcare utilization • Reduction of work performance • Occupational injuries Prevalence & Economic Costs

© Inspire Medical Systems, Inc. All Rights Reserved. Compared to CPAP, Inspire has been Demonstrated to be Better at Improving OSA Symptoms, Potentially with Greater Therapy Adherence 9 Therapy Adherence1 4.0 5.0Usage/Night (hours) 1. Heiser, Sleep & Breathing 2022 Comparison between baseline and 12-month follow-up between matched cohorts 2. Epsworth Sleepiness Scale Sleepiness Reduction1 3.9 8.0ESS reduction (points) 2 p = 0.042 p = 0.087 CPAP CPAP UAS (Inspire) UAS (Inspire)

© Inspire Medical Systems, Inc. All Rights Reserved.10 Inspire Therapy is an Innovative and Proven Solution for Patients with OSA ProcedureSystem Three implanted devices and patient remote: Pressure sensing lead: detects when the patient is attempting to breathe Neurostimulator: houses the electronics and battery power for the device Stimulation lead: delivers electrical stimulation to the hypoglossal nerve 1 2 3  Typically, a 60-90 min outpatient procedure  Requires two small incisions  Patients typically recover quickly and resume normal activities in just a few days Hypoglossal Nerve Neurostimulator Stimulation Lead Pressure Sensing Lead1 2 3

© Inspire Medical Systems, Inc. All Rights Reserved.11 Inspire Therapy Utilizes a Proprietary Closed-loop Sensing Algorithm to Modulate Therapy Delivery  Active while patients sleep  Closed-loop system which senses breathing patterns  Provides stimulation during inspiratory phase of respiration maintaining open airway Airflow Breathing Oxygen Saturation No OSA eventsOSA events Inspire system turned on Proprietary Algorithm Clinical Effect

Sleep Test (In-lab or home) Activation Procedure Drug-induced Sleep Endoscopy Happy Patients! Patient Awareness, Self Education (Including HCP referral) Appointment Sleep & ENT Efficacy Check Clinic Adjustments Prior Authorization The Inspire Patient Journey Multi-specialty care continuum 1 2 3[1] Quality Patient Flow [2] Care Pathway Capacity [3] Strong Clinical Outcomes 12

© Inspire Medical Systems, Inc. All Rights Reserved.13 Three Key Areas Will Drive Our Success in 2024 & Beyond Quality Patient Flow Care Pathway Capacity Strong Clinical Outcomes • Improve patient education & lead capture via new website launch in Dec 2023 • Refine Direct-to-Consumer outreach • Accelerate patient nurturing capabilities • Drive knowledge and engagement with high potential PCPs • Reduce time for a patient to navigate the steps required in the Inspire care pathway • Continue to expand individual ENT cases, to train new ENTs and steady activation of new centers • Activate early career MDs to join/start Inspire programs A key accelerator of physician belief and patient testimonials • Maximize adoption of SleepSync • Continue to monitor Inspire outcomes

© Inspire Medical Systems, Inc. All Rights Reserved. >65K Number of patients treated with Inspire therapy to date ~ 16 minutes between implants Q1 2024 14

© Inspire Medical Systems, Inc. All Rights Reserved. • Collect real-world, international outcomes data • Eligibility – ALL patients receiving Inspire therapy • ADHERE Registry - 5,000 enrollments at 62 medical centers (enrollment complete) • Transition to ADHERE 2.0 as part of Inspire SleepSync in the U.S. 15 Continuous Data Collection and Outcomes Monitoring AHI = Apnea Hypopnea Index ESS = Epworth Sleepiness Scale Post Market Surveillance Data Real World Data Proactive Data Reactive Data Data Analysis for Signals

© Inspire Medical Systems, Inc. All Rights Reserved. 90% 91% 92% 93% 94% 95% 96% 97% 98% 99% 100% 0 6 12 18 24 30 36 42 48 54 60 Su rv iv al P ro ba bi lit y Pe rc en ta ge Months After Implant 2018 2019 2021 2022 90% 91% 92% 93% 94% 95% 96% 97% 98% 99% 100% 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 Su rv iv al P ro ba bi lit y Pe rc en ta ge Months After Implant 2018 2019 2021 2022 Inspire Patient Experience Report - Safety Consistent increase in device survivability to both revision and explant year after year 16 2020 2020 Freedom from Revision by Implant Year Freedom from Explant by Implant Year

© Inspire Medical Systems, Inc. All Rights Reserved.17 Inspire’s Focus is to Maintain Strong Patient Outcomes AHI response at 12 Month AHI </= 20 and 50% reduction: 67% AHI </= 20: 76% 50% reduction in AHI: 69% 1. Bosschieter et al. Similar effect of hypoglossal nerve stimulation for OSA in five disease categories. J Clin Sleep Med. 2022 Jun 1;18(6):1657-166. 33.0 7.8 10.2 -5 5 15 25 35 Baseline (n=1,963) 6-mo Titration Study (n=1,852) 12-mo All Night Study (n=890) M ed ia n AH I (e ve nt s/ ho ur ) Apnea-Hypopnea Index (AHI1)

© Inspire Medical Systems, Inc. All Rights Reserved. • Electronic medical records (Future) • Sleep coaching, telemedicine, and efficient home sleep apnea testing Enhanced by Strategic Integrations Growing Inspire Value • Expanding sleep clinician confidence & capacity enables more patients to benefit from Inspire • Automated real-world clinical studies • SaaS revenue possibilities (Future) Patient Inspire App Clinician SleepSync Web Portal Remote patient management Dynamic patient engagement Efficient care coordination • Find a doctor • Customized education • Track therapy & sleep quality • Virtual check-ins • Access therapy quality measures • Manage patients by exception • Grow confidence & productivity • Support sleep practice economics • Symptom Relief • Adherence • Disease Burden (Future) • Remote Adjustments (Future) SleepSync Digital Health Platform Accelerates Growth 18

© Inspire Medical Systems, Inc. All Rights Reserved. $51 $82 $115 $233 $408 $625 2018 2019 2020 2021 2022 2023 19 Annual Revenue and Gross Margin ($ in Millions) Annual Gross Margin 80.1% 83.4% 84.7% 85.7% 83.8% 84.5% 2024 Guidance: • FY2024 revenue range of $783M-$793M, representing 25%-27% growth over FY2023 • FY2024 gross margin between 83%-85% • FY2024 EPS $0.10-0.20

© Inspire Medical Systems, Inc. All Rights Reserved.20 Q1 Business Highlights (As of March 31, 2024) • Activated 66 new centers in the U.S. bringing the total to 1,246 U.S. centers providing Inspire therapy • Created 11 new sales territories in the U.S. bringing the total to 298 U.S. sales territories • Surpassed 65,000 patients treated with Inspire therapy Continued Commercial Expansion Strong Financial Performance • Generated $164.0 million of revenue in the first quarter, a 28% increase over the same quarter last year • Achieved gross margin of 84.9% in the first quarter • Improved loss per share to $0.34 compared to $0.53 in the same prior year period

© Inspire Medical Systems, Inc. All Rights Reserved. Our Growth Strategy 21 1 Through planned and controlled market expansion and robust physician training Ensure Strong Clinical Outcomes 2 By enhancing interconnectivity, simplifying the care pathway, and closely tracking outcomes Improve the Customer Experience 3 Amongst patients, ENT/Sleep physicians, and general practitioners Promote Widespread Consumer Awareness 4 Commensurate with new center additions and leveraging consumer outreach programs Drive Continued Commercial Scale 5 Driving breakthrough technology innovation and expanded indications Invest in Research & Development 6 Further penetrating existing markets and entering into new geographical locations Facilitate International Market Expansion

Inspire Way We are a medical technology company committed to enhancing patient lives through sleep innovation “Put the patient first and you will never lose your way.” Demonstrate Operational Excellence Drive Therapy Adoption Strengthen Organizational Culture Focused on Outcomes. Fueled by Innovation. Grounded in Integrity. Committed to Compliance. Leading with Respect. Positively Persistent. 22

23

© Inspire Medical Systems, Inc. All Rights Reserved. Appendix 24

© Inspire Medical Systems, Inc. All Rights Reserved. Consolidated Statements of Operations & Comprehensive Loss (Unaudited)(In thousands, except share and per share amounts) 25

© Inspire Medical Systems, Inc. All Rights Reserved. Condensed Consolidated Balance Sheets (Unaudited)(In thousands) 26

© Inspire Medical Systems, Inc. All Rights Reserved. $16.3 $18.0 $20.9 $26.9 $21.3 $12.2 $35.8 $46.0 $40.4 $53.0 $61.7 $78.4 $69.4 $91.4 $109.2 $127.9 $151.1 $153.3 $164.0 1Q19 2Q19 3Q19 4Q19 1Q20 2Q20 3Q20 4Q20 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 3Q23 4Q23 1Q24 27 Quarterly Revenue ($ in Millions) %YoY Revenue Growth 31% -32% 72% 71% 89% 335% 72% 70% 72% 73% 77% 76% 84% 65% 40% 40% 28% $137.9 $192.5

© Inspire Medical Systems, Inc. All Rights Reserved. Randy Ban Chief Commercial Officer Bryan Phillips SVP, General Counsel & Chief Compliance Officer Tim Herbert Chair, President & Chief Executive Officer Strong Management Team Ezgi Yagci Vice President, Investor Relations Rick Buchholz Chief Financial Officer John Rondoni Chief Technology Officer Phil Ebeling Chief Operating Officer Carlton Weatherby Chief Strategy Officer Dr. Charisse Sparks Chief Medical Officer 28

© Inspire Medical Systems, Inc. All Rights Reserved. Supporting Patients on their Path to Inspire Implant Fine- tune ActivationInspire Advisor Care Program (ACP) DISE/ Prior Authorization Patient education using the InspireSleep.com website Community health talks Physician Consultations Awareness with direct-to- consumer outreach programs Life with Inspire – Patient management with SleepSync Time from ACP contact to implant can be as much as six months 29

© Inspire Medical Systems, Inc. All Rights Reserved. Inspire Patient THE PATIENT JOURNEY Awareness Education Consultation Implant Life w/ Inspire Confirm Sleep Study Fine- tuneActivationImplantPrior AuthDISE Conduct Online Search Attend Appt. Schedule an Appt. with IS Dr. Obtain Updated Sleep Study Request an Appt. Do I Qualify Lead Register for CHT Visit IS.com Ask their Dr. about Inspire See an Inspire Ad C h a l l e n g e s What is the biggest pain point for patients? S U P P O R T What key investments and programs is Inspire investing in to support patients? • Patients need sufficient information to feel prepared to take the next step with Inspire • There are limited ways to engage with Inspire for support and education • It is difficult to schedule an appointment • Sleep Studies can take months for patients to get • Time for scheduling DISE • Time for scheduling implant • Patients need support through the therapy optimization process • Lead capture + scoring • Lead nurturing via email, text, phone • Request a call for nights/weekends • Updated website content for patients • Chatbot improvements with two-way text messaging • Digital scheduling through ACP • Ognomy, Lofta, EnsoData • Increase ENT capacity to grow number of Inspire procedures • Expect Inspire V to reduce OR time • Expect PREDICTOR to replace DISE for many patients • SleepSync cloud-based patient management system to support patient from contact to post-implant sleep management 30

© Inspire Medical Systems, Inc. All Rights Reserved. Patient Engagement Conversion Initiatives Improving Patient Engagement Conversion Initiatives Increasing ENT Capacity to Further Grow Utilization SleepSync Patient Management System Increases Utility • Digital scheduling has shown significant improvements with initial sites • Patient education using chat guide bot • Patient nurturing with auto-email system • Improved patient tracking with SleepSync • Work with ENTs to optimize time by ensuring support team (sleep physicians) engages and conducts longitudinal patient management • Train additional ENTs in the practice • Continue to add new centers with ability to quickly grow utilization (complete teams) • Longitudinal Patient Engagement from first contact to long after Inspire implant • Fully incorporate both Objective data (utilization, sleep performance) and Subjective data (e-visit, questionnaires) to support strong patient outcomes • Future enhancements including Remote Patient Programming and Physician notifications Improving Patient Experience and Reducing Time-to-Implant • Inspire V neurostimulator with internal sensor expected to reduce OR time and improve patient experience • PREDICTOR study intended to replace DISE with office airway measurement for vast majority of patients • Continued development of Inspire VI and VII for auto- activation and future auto-titration 31

Health Economics: Untreated OSA Cost Burden • Untreated OSA patients had ~$20,000 higher total annual Medicare costs • CPAP intolerant patients had higher Medicare utilization than PAP tolerant ALASKA-Study – non-adherent patients have greater chance of mortality (n>176,000)2 PAP non- adherent PAP adherent96% 98% 100% Su rv iv al Pr ob ab ili ty Conclusions: • Prioritize PAP intolerant to therapy, especially those with CV disease • Addressing PAP intolerance improves mortality1. Wickwire JCSM 2020; Wickwire Sleep Breathing 2022 2. Pepin, ERS 2021 Conference Growing evidence that CPAP intolerance is linked to higher healthcare costs1 94% 32

© Inspire Medical Systems, Inc. All Rights Reserved. Sustainability at Inspire 33 Committed to improving the economic, social, and environmental impacts that our business has on the communities in which we operate, as well as our customers, business partners, suppliers, employees, and stockholders. ENVIRONMENTAL We work to operate our business responsibly and reduce our impact on the environment wherever feasible. • Board and executive officers are responsible for oversight, identification, and communication of all climate- related risks and opportunities. • By 2026, we aim to implement a formal environmental quality management system in line with International Organization for Standardization (ISO) 14001 standards to mitigate climate- related risks. SOCIAL Product safety and quality are of the utmost importance at Inspire. We also pride ourselves on our innovative and collaborative work environment, which we believe has driven our success and which we seek to uphold through an inclusive workforce, generous compensation and benefits, open communication, a focus on employee health, well-being and engagement, and robust training and development programs. • Our company’s success is built on our enduring commitment to product quality and patient outcomes. • In 2023, women comprised ~48% of our global workforce. We actively seek candidates from all backgrounds. • Aim to foster a culture of continuous learning with significant investments in our people through programs focused on leadership and professional development. GOVERNANCE We strive to maintain strong governance practices and high standards of ethics, compliance, and accountability designed to provide long-term value creation opportunities. • Governance practices include regular consideration and assessment of our governance structure, board and committee function, and board and management succession. • Strong and diverse Board collectively possessing a range of qualifications, skills, and experiences that align with our long- term strategy and business needs. • Sustainability matters overseen by Board, executive leadership, and cross- functional team.

© Inspire Medical Systems, Inc. All Rights Reserved. Our Intellectual Property Portfolio (as of December 31, 2023)  Covers aspects of our current Inspire system and future product concepts  80 issued U.S. patents (expiring between 2029 and 2041) and 81 pending U.S. patent applications  55 issued foreign patents and 79 pending foreign patent applications  175 pending and registered trademark filings worldwide  Competitive position enhanced by trade secrets, proprietary know-how and continuing technological innovation  Entered into an agreement with Medtronic in 2007 to make, use, import, and sell products and practice methods in the field of electrical stimulation of the upper airway for the treatment of OSA  Royalty-free license agreement  Perpetual license (no right of termination) 34

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Document and Entity Information	May 07, 2024
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Document Type	8-K
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Document Period End Date	May 07, 2024
Entity Incorporation, State or Country Code	DE
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Entity Tax Identification Number	26-1377674
Entity Address, Address Line One	5500 Wayzata Blvd.
Entity Address, Address Line Two	Suite 1600
Entity Address, City or Town	Golden Valley
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55416
City Area Code	844
Local Phone Number	672-4357
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Title of 12(b) Security	Common Stock, $0.001 par value per share
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Entity Emerging Growth Company	false