Stocks / INSP / Shares Outstanding

Inspire Medical Systems, Inc. Shares Outstanding 2016–2025

Inspire Medical Systems, Inc. reported 28.6M of shares outstanding for fiscal 2025. That was 3.9% lower than fiscal 2024. Compared with fiscal 2020, the change was +5.6%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.

Latest filed value
28.6M
One-year change
-3.9%
Change since 2020
+5.6%
Latest period end
2025-12-31
Inspire Medical Systems, Inc. Shares Outstanding history from 2016 to 2025FY 2016: 0FY 2017: 1272360FY 2018: 23401675FY 2019: 24107350FY 2020: 27069276FY 2021: 27416106FY 2022: 29008368FY 2023: 29560464FY 2024: 29740176FY 2025: 28579015
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 202528.6M-3.9%
FY 202429.7M+0.6%
FY 202329.6M+1.9%
FY 202229.0M+5.8%
FY 202127.4M+1.3%
FY 202027.1M+12.3%
FY 201924.1M+3.0%
FY 201823.4M+1739.2%
FY 20171.3M—
FY 20160.0M—

Source: Inspire Medical Systems, Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open INSP 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Inspire Medical Systems, Inc. reported 28.6M of shares outstanding for fiscal 2025. That was 3.9% lower than fiscal 2024. Compared with fiscal 2020, the change was +5.6%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

See the full picture for Inspire Medical Systems, Inc.

Complete income statement, balance sheet and cash flow with trend on every row, 48 quarters, ratios, health checks, and Ask — the SEC-grounded research assistant.

Open the interactive view — free

Inspire Medical Systems, Inc. — frequently asked questions

What is Inspire Medical Systems, Inc.'s shares outstanding?

Inspire Medical Systems, Inc. (INSP) reported shares outstanding of 28.6M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Inspire Medical Systems, Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

More INSP financial history

INSP revenueINSP net incomeINSP gross profitINSP eps (earnings per share)INSP ebitdaINSP free cash flowINSP total debtINSP dividend historyINSP p/e ratio

Full INSP fundamentals page → · Analyze shares outstanding with a free tool → · Research guide & leaders → · All 1,500+ companies →