Inspire Medical Systems, Inc. (INSP) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 04, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 0.51% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
29M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

INSP currently has 28.7M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.51% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 04, 2026

10-Q filing | 28.7M shares outstanding

29M 0
Nov 03, 2025

10-Q filing | 29.3M shares outstanding

29M 0
Aug 04, 2025

10-Q filing | 29.5M shares outstanding

30M 0
May 05, 2025

10-Q filing | 29.7M shares outstanding

30M 0
Feb 10, 2025

10-K filing | 29.8M shares outstanding

30M 0
Nov 04, 2024

10-Q filing | 29.9M shares outstanding

30M 0
Aug 06, 2024

10-Q filing | 29.7M shares outstanding

30M 0
May 07, 2024

10-Q filing | 29.6M shares outstanding

30M 0
Feb 09, 2024

10-K filing | 29.3M shares outstanding

29M 0
Nov 07, 2023

10-Q filing | 29.4M shares outstanding

29M 0
Aug 01, 2023

10-Q filing | 29.2M shares outstanding

29M 0
May 02, 2023

10-Q filing | 29.1M shares outstanding

29M 0
Feb 10, 2023

10-K filing | 28.1M shares outstanding

28M 0
Nov 01, 2022

10-Q filing | 28.2M shares outstanding

28M 0
Aug 15, 2022

8-K filing: Inspire Medical Systems, Inc. completed a public offering of 1,000,000 shares of common stock at $215.00 per share, and an additional 150,000 shares were sold through the underwriter's option, resulting in net proceeds of approximately $243.8 million. ($243.8M proceeds)

28M 0
Aug 02, 2022

10-Q filing | 27.6M shares outstanding

28M 0
May 03, 2022

10-Q filing | 27.5M shares outstanding

28M 0
Feb 15, 2022

10-K filing | 27.3M shares outstanding

27M 0
Nov 02, 2021

10-Q filing | 27.3M shares outstanding

27M 0
Aug 03, 2021

10-Q filing | 27.2M shares outstanding

27M 0
May 04, 2021

10-Q filing | 27.2M shares outstanding

27M 0
Feb 24, 2021

10-K filing | 27.1M shares outstanding

27M 0
Nov 02, 2020

10-Q filing | 26.9M shares outstanding

27M 0
Aug 04, 2020

10-Q filing | 26.8M shares outstanding

27M 0
May 05, 2020

10-Q filing | 26.7M shares outstanding

27M 0
Apr 16, 2020

8-K filing: Inspire Medical Systems, Inc. completed a public offering of 2,000,000 shares of common stock at $58.00 per share, and an additional 300,000 shares were sold due to the full exercise of the underwriters' option, resulting in estimated net proceeds of approximately $124.7 million. ($124.7M proceeds)

24M 0
Feb 25, 2020

10-K filing | 24.1M shares outstanding

24M 0
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