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Inspire Medical Systems, Inc. (INSP)

Inspire Medical Systems, Inc. brought in $880.9M of revenue over the twelve months to September 30, 2026, down 0.2% from a year earlier. Net income was $100.7M, a net margin of 11.4%. Operating cash flow minus capital spending left $78.5M of free cash flow in fiscal 2025. At September 30, 2026 it held $190.8M in cash. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on November 2, 2026.

Free, no password. An email when INSP files with the SEC.

Price
$62.58
-2.73% on the day · November 10, 2026
52-week range $38.91 to $147.03
Market cap
$1.8B
Revenue (last 12 months)
$880.9M
-0.2% year on year
Net margin
11.4%
P/E
12.8
on FY2025 diluted EPS

Key facts about Inspire Medical Systems, Inc.

Net worth
Inspire Medical Systems, Inc. has a market value (market cap) of $1.8B at the latest share price, and shareholders' equity of $826.9M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Revenue and profit
In fiscal 2025 revenue was $912M (+13.6% year on year), with net income of $145.4M. Over the 12 months to September 30, 2026: revenue $880.9M, net income $100.7M.
Cash flow
In fiscal 2025 operations brought in $117M of cash; after $38.5M of capital spending, free cash flow was $78.5M.
Latest report
The latest periodic report (quarterly report, 10-Q) was filed with the SEC on November 2, 2026 and covers the period to September 30, 2026. Open on SEC EDGAR
Next earnings report
Inspire Medical Systems, Inc.'s next report is expected around January 11, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

What Inspire Medical Systems, Inc. does

Inspire Medical Systems, Inc. is registered with the SEC under industry code SIC 3841 (Surgical & Medical Instruments & Apparatus). Its shares trade on NYSE under the ticker INSP.

Revenue and profit by year

Revenue
FY18: $50.6M $50.6M FY18FY19: $82.1M $82.1M FY19FY20: $115.4M $115.4M FY20FY21: $233.4M $233.4M FY21FY22: $407.9M $407.9M FY22FY23: $624.8M $624.8M FY23FY24: $802.8M $802.8M FY24FY25: $912M $912M FY25
Net income
FY18: -$21.8M -$21.8M FY18FY19: -$33.2M -$33.2M FY19FY20: -$57.2M -$57.2M FY20FY21: -$42M -$42M FY21FY22: -$44.9M -$44.9M FY22FY23: -$21.2M -$21.2M FY23FY24: $53.5M $53.5M FY24FY25: $145.4M $145.4M FY25

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2025$912M$51M$145.4M$4.89$78.5M
2024$802.8M$36.1M$53.5M$1.75$91.1M
2023$624.8M-$40.3M-$21.2M-$0.72$1M
2022$407.9M-$47.6M-$44.9M-$1.60$2.5M
2021$233.4M-$39.9M-$42M-$1.54-$24.8M
2020$115.4M-$56.2M-$57.2M-$2.19-$55.5M

Earnings: every quarter and the next report date

Full financial statements: income, balance sheet and cash flow

Next report expected around January 11, 2027.

Estimated from its filing rhythm: 52 weeks after its report of January 12, 2026. Not a date the company has announced. See the report calendar · Earnings, quarter by quarter

Where INSP ranks in Health care

Revenue$912M
#160 of 751 in Health care · Top 21%
Revenue growth+13.6%
#244 of 532 in Health care · Top 46%
Net margin15.9%
#78 of 544 in Health care · Top 14%
Free cash flow margin8.6%
#144 of 490 in Health care · Top 29%

Latest fiscal year of every company in the sector with the figure reported. Revenue is ranked among companies reporting in US dollars; growth and margins among companies with at least 10 million of revenue. Health care

Latest SEC filings

What Inspire Medical Systems, Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. November 9, 2026
  2. November 2, 2026
    Quarterly report 10-Q · period to September 30, 2026Revenue fell 7.9% to $206.7M versus the same quarter last year; diluted EPS -$0.84 versus $0.34.
  3. November 2, 2026
  4. October 30, 2026
  5. August 13, 2026
  6. August 12, 2026
  7. August 3, 2026
    Quarterly report 10-Q · period to June 30, 2026Revenue fell 7.6% to $200.6M versus the same quarter last year; diluted EPS $0.01 versus -$0.12.
  8. August 3, 2026
  9. July 31, 2026
  10. July 28, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on October 16, 2026. Insider transactions on SEC

What is INSP worth? A DCF from its reported cash flow

Insider trades

What the people running Inspire Medical Systems, Inc. did with its shares, from the Form 4 filings they must send the SEC within two business days.

No insider bought or sold shares on the open market in the last 90 days. The 5 reported changes were pay in shares, option exercises, shares withheld for tax or gifts.

Bought (open market)
$0
last 90 days
Sold
$0
last 90 days
DateInsiderWhatSharesPriceValueFiling
October 14, 2026 Broader Shelley GDirector Received as pay 284 $68.07 $19.3K Form 4
October 14, 2026 Carrel Michael HDirector Received as pay 203 $68.07 $13.8K Form 4
October 14, 2026 Melenikiotou GeorgiaDirector Received as pay 255 $68.07 $17.4K Form 4
October 14, 2026 Ellis Gary LeeDirector Received as pay 431 $68.07 $29.3K Form 4
August 31, 2026 Kelly Jason PSee Remarks Received as pay 6,350 - - Form 4
August 7, 2026 Kelly Jason PSee Remarks Sold 963 $59.55 $57.3K Form 4
July 31, 2026 Mann MelissaChief People Officer Shares withheld for tax 326 $50.21 $16.4K Form 4
July 20, 2026 Carrel Michael HDirector Received as pay 5,631 - - Form 4

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns INSP

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

HolderOf classSharesFiled
Wellington Management Group LLP13G, passive with 3 related filers 8.8% 2,535,954 May 15, 2026
Vanguard Portfolio Management13G, passive 7.37% 2,126,116 July 31, 2026
AQR Capital Management, LLC13G, passive with 1 related filers 6.44% 1,856,800 August 12, 2026
D. E. Shaw & Co., L.P.13G, passive with 1 related filers 5.1% 1,483,107 July 2, 2026
Vanguard Capital Management13G, passive 5.1% 1,469,703 April 30, 2026

Latest filings below 5%: Soleus Capital Master Fund, L.P. 4.2% (November 9, 2026); Deerfield Mgmt, L.P. 4.5% (May 14, 2026); The Vanguard Group 0% (March 27, 2026); Kenneth Griffin 1.8% (February 17, 2026); Marc Stad 0% (November 14, 2025).

Largest institutional holders

Positions that investment managers reported on Form 13F for the quarter ended June 30, 2026, largest first, with the change on the quarter ended March 31, 2026. Managers file 13F up to 45 days after a quarter ends. 275 managers reported a position.

HolderSharesValueChange on quarter
BlackRock, Inc.4,737,519$211.3M+1,187,965
Wellington Management Group Llp2,382,660$106.3M-153,294
Vanguard Portfolio Management LLC2,088,961$93.2M+451,788
Soleus Capital Management, L.P.1,931,436$86.2M+1,355,137
Aqr Capital Management LLC1,856,800$80.9M+1,548,138
Assenagon Asset Management S.A.1,728,790$77.1M+1,208,616
UBS Group AG1,645,511$73.4M+1,006,583
D. E. Shaw & Co., Inc.1,470,462$65.6M+281,925
Nomura Holdings Inc1,369,410$61.1Mnew
Deerfield Management Company, L.P.1,296,862$57.9M-1,406,376
Vanguard Capital Management LLC1,270,928$56.7M+4,190
State Street Corp1,206,494$53.8M+250,483
Morgan Stanley791,222$35.3M-659,412
Artisan Partners Limited Partnership732,323$32.7M-48,252
Geode Capital Management, LLC700,836$31.3M+190,602
Braidwell LP677,570$30.2M0
Goldman Sachs Group Inc645,858$28.8M-18,145
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC546,020$24.4M+97,233
Nantahala Capital Management, LLC538,948$24Mnew
Citadel Advisors LLC506,334$22.6M+112,258

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

16 insiders reported holding 428,574 shares in total, about $26.8M at the last price.

HolderSharesAs of
Herbert Timothy P.CEO and President, Director 99,834 February 20, 2026
Buchholz RichardInterim CFO 43,988 February 13, 2026
Weatherby CarltonSee Remarks 41,679 February 20, 2026
Phillips Bryan KSee Remarks 38,513 February 20, 2026
mcCormick ShawnDirector 27,712 May 8, 2026
Rondoni JohnSee Remarks 27,165 May 15, 2026
Tansey Casey MDirector 26,632 July 15, 2026
Mead Dana G Jr.Director 26,213 April 30, 2026
Kelly Jason PSee Remarks 25,335 August 31, 2026
Mann MelissaChief People Officer 22,957 July 31, 2026

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about INSP

What does Inspire Medical Systems, Inc. do?

Inspire Medical Systems, Inc. is a company in the Health care sector, listed on NYSE as INSP. Its shares trade on NYSE under the ticker INSP.

What is Inspire Medical Systems, Inc.'s net worth?

Inspire Medical Systems, Inc. has a market value (market cap) of $1.8B at the latest share price, and shareholders' equity of $826.9M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.

Is Inspire Medical Systems, Inc. profitable?

Yes. Over the twelve months to September 30, 2026 it reported net income of $100.7M on revenue of $880.9M, a net margin of 11.4%.

How much revenue does Inspire Medical Systems, Inc. make?

Over the twelve months to September 30, 2026 Inspire Medical Systems, Inc. reported revenue of $880.9M. That is 0.2% less than a year earlier.

When did Inspire Medical Systems, Inc. last report?

Its most recent periodic report is the quarterly report (10-Q) filed on November 2, 2026. It covers the period to September 30, 2026. Its newest filing of any kind is the passive stake changed from November 9, 2026.

When is Inspire Medical Systems, Inc.'s next earnings report?

Inspire Medical Systems, Inc.'s next report is expected around January 11, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

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Where the numbers come from

Financial figures are the values Inspire Medical Systems, Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.