Esperion Therapeutics, Inc. (ESPR) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 08, 2026

Risk Assessment Details

Potential Dilution: 121.74% of current shares
Recent Dilution: 38.11% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
250M
Potential Supply
310M
Additional shares possible
Splits
None
Past 2 years

Summary

ESPR currently has 251M outstanding shares. with significant dilution risk as 306M authorized shares could dilute existing holders by 121.7%. The company has significantly diluted shareholders by 38.11% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 08, 2026

10-Q filing | 251.4M shares outstanding

250M 310M
Mar 10, 2026

10-K filing | 256.8M shares outstanding

260M 300M
Nov 06, 2025

10-Q filing | 239.1M shares outstanding

240M 320M
Oct 08, 2025

8-K filing: Esperion Therapeutics, Inc. entered into an Underwriting Agreement for a public offering of 30,000,000 shares of common stock at $2.50 per share, with an option for the Underwriters to purchase an additional 4,500,000 shares. ($75.0M proceeds)

200M 360M
Aug 13, 2025

10-Q filing | 197.5M shares outstanding

200M 360M
May 08, 2025

10-Q filing | 196.1M shares outstanding

200M 360M
Apr 18, 2025

S-3 filing: The filing is an S-3 form registering common stock, preferred stock, debt securities, warrants, and/or units for a total aggregate amount of $400,000,000, in one or more offerings. It also includes an "at the market offering" of common stock for up to $70 million through Cantor.

200M 360M
Mar 07, 2025

10-K filing | 187.2M shares outstanding

190M 0
Dec 18, 2024

8-K filing: Esperion Therapeutics, Inc. issued $100 million aggregate principal amount of 5.75% Convertible Senior Subordinated Notes due 2030, exchanging $57.5 million aggregate principal amount of New Notes along with approximately $153.4 million in cash, in exchange for approximately $210.1 million aggregate principal amount of its 4.00% Convertible Senior Subordinated Notes due 2025, and issuing and selling approximately $42.5 million aggregate principal amount of New Notes for cash. ($42.5M proceeds)

190M 0
Dec 13, 2024

8-K filing: Esperion Therapeutics, Inc. entered into privately negotiated exchange and subscription agreements to issue $100 million aggregate principal amount of its 5.75% Convertible Senior Subordinated Notes due 2030 in exchange for 2025 Notes and cash. ($42.5M proceeds)

190M 0
Nov 07, 2024

10-Q filing | 194.9M shares outstanding

190M 0
Aug 12, 2024

10-Q filing | 188.8M shares outstanding

190M 0
May 07, 2024

10-Q filing | 189.6M shares outstanding

190M 0
Feb 27, 2024

10-K filing | 185.1M shares outstanding

190M 0
Nov 07, 2023

10-Q filing | 111.9M shares outstanding

110M 0
Aug 01, 2023

10-Q filing | 109.2M shares outstanding

110M 0
May 09, 2023

10-Q filing | 94.7M shares outstanding

95M 0
Mar 22, 2023

8-K filing: Esperion Therapeutics, Inc. closed a registered direct offering on March 22, 2023, issuing 12,205,000 shares of common stock, pre-funded warrants for 20,965,747 shares, and warrants for 33,170,747 shares, resulting in gross proceeds of approximately $55.5 million. ($55.54M proceeds)

77M 11M
Feb 21, 2023

10-K filing | 76.6M shares outstanding

77M 11M
Nov 01, 2022

10-Q filing | 67.8M shares outstanding

68M 20M
Aug 02, 2022

10-Q filing | 63.2M shares outstanding

63M 24M
May 03, 2022

10-Q filing | 61.0M shares outstanding

61M 26M
Apr 15, 2022

S-3 filing: The company is filing an S-3 to offer common stock, preferred stock, and debt securities, with the intention to use the net proceeds for commercialization efforts, research and clinical development, working capital, capital expenditures, and general corporate purposes.

63M 24M
Feb 22, 2022

10-K filing | 62.8M shares outstanding

63M 0
Dec 07, 2021

8-K filing: Esperion Therapeutics, Inc. completed a firm commitment offering of 32,142,858 shares of common stock and accompanying warrants, with H.C. Wainwright & Co., LLC as the sole book-running manager, raising approximately $208.8 million in net proceeds, with an additional $31.4 million if H.C. Wainwright exercises its option to purchase additional shares of common stock in full. ($225.0M proceeds)

26M 18M
Nov 02, 2021

10-Q filing | 26.5M shares outstanding

26M 18M
Aug 03, 2021

S-3 filing: Esperion Therapeutics files an S-3 form to offer common stock via an at-the-market offering through Jefferies, with a proposed offering amount of up to $250 million, alongside shelf offerings for common and preferred stock.

28M 16M
Aug 03, 2021

10-Q filing | 26.2M shares outstanding

26M 18M
May 04, 2021

10-Q filing | 28.2M shares outstanding

28M 0
Feb 23, 2021

10-K filing | 27.5M shares outstanding

28M 0
Nov 16, 2020

8-K filing: Esperion Therapeutics, Inc. issued $250 million aggregate principal amount of 4.00% Convertible Senior Subordinated Notes due 2025 and entered into a forward stock purchase transaction to repurchase 1,994,198 shares of its common stock. ($55.0M proceeds)

28M 0
Nov 02, 2020

10-Q filing | 27.9M shares outstanding

28M 0
Aug 10, 2020

10-Q filing | 27.7M shares outstanding

28M 0
May 06, 2020

10-Q filing | 27.5M shares outstanding

28M 0
Feb 27, 2020

10-K filing | 26.8M shares outstanding

27M 0
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