ACHIEVE LIFE SCIENCES, INC. (ACHV) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 12, 2026

Risk Assessment Details

Potential Dilution: 86.12% of current shares
Recent Dilution: 152.6% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
100M
Potential Supply
88M
Additional shares possible
Splits
None
Past 2 years

Summary

ACHV currently has 103M outstanding shares. with significant dilution risk as 88.4M authorized shares could dilute existing holders by 86.1%. The company has significantly diluted shareholders by 152.6% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 12, 2026

10-Q filing | 102.7M shares outstanding

100M 88M
May 12, 2026

S-3 filing: This filing registers the potential resale of up to 99,037,138 shares of common stock by selling stockholders, including shares issued under a Purchase Agreement and shares underlying pre-funded and common warrants.

100M 190M
Apr 16, 2026

8-K filing: Achieve Life Sciences, Inc. entered into a securities purchase agreement to sell and issue shares of common stock and warrants in a private placement. ($180.0M proceeds)

53M 140M
Mar 24, 2026

10-K filing | 53.2M shares outstanding

53M 140M
Jan 23, 2026

S-3 filing: Achieve Life Sciences, Inc. may offer up to $300,000,000 aggregate amount of shares of common stock or preferred stock, debt securities, warrants, subscription rights and/or units in one or more offerings.

51M 140M
Aug 07, 2025

10-Q filing | 51.1M shares outstanding

51M 86M
Jun 27, 2025

8-K filing: Achieve Life Sciences, Inc. entered into an underwriting agreement to issue and sell 15,000,000 shares of common stock and accompanying warrants at a price of $3.00 per share and warrant. ($45.0M proceeds)

35M 100M
May 13, 2025

10-Q filing | 34.7M shares outstanding

35M 100M
Mar 11, 2025

10-K filing | 32.1M shares outstanding

32M 100M
Nov 07, 2024

POS AM filing: This is a POS AM filing to deregister any and all securities that remain unsold under the Registration Statement No. 333-272641 on Form S-3 as of November 7, 2024.

34M 100M
Nov 07, 2024

S-3 filing: Registration for potential offer and sale from time to time of up to an aggregate of 3,488,727 shares of common stock by the selling stockholders upon conversion of debt.

34M 100M
Nov 07, 2024

10-Q filing | 34.4M shares outstanding

34M 100M
Aug 13, 2024

10-Q filing | 34.3M shares outstanding

34M 100M
Jun 28, 2024

S-3 filing: The company is filing a shelf registration statement on Form S-3 to offer up to $200,000,000 aggregate amount of shares of our common stock or preferred stock, debt securities, warrants to purchase our common stock, preferred stock or debt securities, subscription rights to purchase our common stock, preferred stock or debt securities and/or units consisting of some or all of these securities, in any combination, together or separately, in one or more offerings.

34M 100M
May 09, 2024

10-Q filing | 34.3M shares outstanding

34M 58M
Apr 26, 2024

S-3 filing: This prospectus relates to the registration for potential offer and sale from time to time of up to 13,086,151 shares of our common stock by the selling stockholders.

34M 58M
Mar 28, 2024

10-K filing | 34.3M shares outstanding

34M 45M
Feb 29, 2024

8-K filing: Achieve Life Sciences, Inc. entered into a securities purchase agreement for the sale of up to 13,086,151 shares of common stock at a price of $4.585 per share and a concurrent private placement of warrants.

21M 58M
Nov 09, 2023

10-Q filing | 21.1M shares outstanding

21M 58M
Aug 14, 2023

10-Q filing | 19.0M shares outstanding

19M 60M
Jun 14, 2023

S-3 filing: This prospectus relates to the registration for potential offer and sale from time to time of up to 1,986,611 shares of our common stock by the selling stockholders.

18M 61M
May 25, 2023

8-K filing: Achieve Life Sciences, Inc. entered into a securities purchase agreement for the sale of 3,000,000 shares of common stock at $5.50 per share, resulting in gross proceeds of approximately $16.5 million. ($16.5M proceeds)

18M 59M
May 09, 2023

10-Q filing | 17.9M shares outstanding

18M 59M
Mar 16, 2023

10-K filing | 17.9M shares outstanding

18M 59M
Dec 29, 2022

S-3 filing: The filing registers 12,279,423 shares of common stock for potential offer and sale by selling stockholders, including outstanding shares and shares issuable upon exercise of warrants.

9.7M 67M
Nov 18, 2022

8-K filing: Achieve Life Sciences, Inc. completed a private placement offering 4,093,141 units, each consisting of two shares of common stock and a warrant to purchase one share of common stock, at $4.625 per unit, for gross proceeds of approximately $18.9 million. ($37.8M proceeds)

9.7M 55M
Nov 14, 2022

10-Q filing | 9.7M shares outstanding

9.7M 55M
Aug 11, 2022

10-Q filing | 9.6M shares outstanding

9.6M 55M
May 12, 2022

10-Q filing | 9.7M shares outstanding

9.7M 55M
Mar 10, 2022

10-K filing | 9.5M shares outstanding

9.5M 55M
Dec 21, 2021

S-3 filing: The filing is an S-3 form for Achillion Pharmaceuticals, indicating a shelf registration to offer common stock, preferred stock, debt securities, warrants, subscription rights and units for an aggregate amount of up to $100,000,000.

9.5M 55M
Nov 09, 2021

10-Q filing | 9.5M shares outstanding

9.5M 38M
Aug 12, 2021

10-Q filing | 9.5M shares outstanding

9.5M 38M
May 25, 2021

8-K filing: Achieve Life Sciences, Inc. entered into an underwriting agreement with Oppenheimer & Co., Inc., as representative of the underwriters, to issue and sell 2,857,143 shares of its common stock at a public offering price of $7.00 per share. ($20.0M proceeds)

6.2M 42M
May 13, 2021

10-Q filing | 6.2M shares outstanding

6.2M 42M
Mar 11, 2021

10-K filing | 6.1M shares outstanding

6.1M 42M
Nov 30, 2020

S-1/A filing: This is an S-1/A filing detailing other expenses of issuance and distribution related to a common stock offering.

3.6M 44M
Nov 12, 2020

10-Q filing | 3.6M shares outstanding

3.6M 44M
Aug 06, 2020

10-Q filing | 3.6M shares outstanding

3.6M 44M
Aug 04, 2020

8-K filing: Achieve Life Sciences, Inc. entered into an underwriting agreement with Lake Street Capital Markets, LLC, to issue and sell 476,187 shares of common stock and pre-funded warrants to purchase 142,857 shares of common stock at $10.50 and $10.499 respectively.

38M 10M
Jun 29, 2020

8-K filing: Achieve Life Sciences, Inc. entered into a securities purchase agreement for the sale of 14,634,146 shares of common stock at $0.41 per share, resulting in gross proceeds of approximately $6.0 million. ($6.0M proceeds)

38M 10M
Jun 05, 2020

S-1 filing: Registration for potential offer and sale of up to 10,332,801 shares of common stock by selling stockholders.

38M 10M
May 14, 2020

10-Q filing | 37.5M shares outstanding

38M 0
Mar 13, 2020

10-K filing | 31.4M shares outstanding

31M 0
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