Astria Therapeutics, Inc. (ATXS) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: January 23, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 5.65% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
58M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

ATXS currently has 58M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 5.65% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Jan 23, 2026

POS AM filing: This post-effective amendment relates to multiple registration statements on Form S-3 and declares the termination of the offering and sale of securities under these registration statements due to a merger with BioCryst Pharmaceuticals, Inc.

58M 0
Jan 23, 2026

POS AM filing: This is a post-effective amendment to deregister securities from six registration statements (333-212382, 333-231441, 333-254174, 333-264911, 333-271848, and 333-276057) due to the merger of Astria Therapeutics, Inc. with a subsidiary of BioCryst Pharmaceuticals, Inc., which terminated the offering and sale of securities under these registration statements.

58M 0
Jan 23, 2026

POS AM filing: This filing relates to the deregistration of securities previously registered under multiple Form S-3 registration statements due to the merger of Astria Therapeutics, Inc. with a subsidiary of BioCryst Pharmaceuticals, Inc., which terminated the offering and sale of these securities.

58M 0
Aug 12, 2025

10-Q filing | 58.0M shares outstanding

58M 0
May 13, 2025

10-Q filing | 58.0M shares outstanding

58M 0
Mar 11, 2025

10-K filing | 56.2M shares outstanding

56M 0
Nov 13, 2024

10-Q filing | 57.8M shares outstanding

58M 0
Aug 12, 2024

10-Q filing | 56.5M shares outstanding

56M 0
May 09, 2024

10-Q filing | 52.3M shares outstanding

52M 0
Mar 04, 2024

10-K filing | 41.0M shares outstanding

41M 0
Jan 31, 2024

8-K filing: Astria Therapeutics, Inc. entered into an underwriting agreement for an underwritten offering of 10,340,000 shares of common stock at a price of $12.09 per share, with the offering expected to close on or about February 1, 2024. ($124.99M proceeds)

44M 0
Jan 30, 2024

8-K filing: Astria Therapeutics, Inc. announced the sale of the remaining $50.0 million of its common stock under its at-the-market offering program with Jefferies LLC, resulting in the issuance and sale of 7,684,412 shares for net proceeds of $48.5 million. As of January 29, 2024, the Company had 43,980,603 shares of Common Stock outstanding. ($48.5M proceeds)

44M 0
Dec 28, 2023

S-3/A filing: Astria Therapeutics files an S-3/A form to offer securities from time to time in one or more offerings up to $500,000,000 in aggregate offering price.

36M 0
Dec 15, 2023

S-3 filing: Astria Therapeutics, Inc. may offer and sell securities from time to time in one or more offerings of up to $500,000,000 in aggregate offering price.

36M 0
Nov 13, 2023

10-Q filing | 28.0M shares outstanding

28M 0
Oct 12, 2023

8-K filing: Astria Therapeutics, Inc. announced an underwritten offering of 8,253,895 shares of common stock and accompanying warrants, and pre-funded warrants to purchase 1,571,093 shares of common stock and accompanying warrants, with an expected closing on or about October 16, 2023, and anticipates net proceeds of approximately $59.6 million. ($64.0M proceeds)

28M 0
Aug 07, 2023

10-Q filing | 28.0M shares outstanding

28M 0
May 11, 2023

10-Q filing | 27.9M shares outstanding

28M 0
May 11, 2023

S-3 filing: Astria Therapeutics, Inc. files an S-3 registration statement for the potential offering of up to $250,000,000 in aggregate offering price of various securities including common stock, preferred stock, depositary shares, units and warrants.

28M 0
Mar 22, 2023

10-K filing | 27.5M shares outstanding

28M 0
Dec 15, 2022

8-K filing: Astria Therapeutics, Inc. entered into an underwriting agreement for an offering of 9,082,653 shares of common stock at $11.01 per share, with an option for the underwriters to purchase an additional 1,362,397 shares, expecting net proceeds of approximately $93.6 million. ($100.0M proceeds)

17M 1.7M
Nov 10, 2022

10-Q filing | 16.8M shares outstanding

17M 1.9M
Nov 10, 2022

8-K filing: Astria Therapeutics increased the amount of its common stock that may be offered under the At-the-Market Offering Program to an aggregate offering price of up to $88,135,305.48. As of November 9, 2022, there were 17,051,429 shares of the Company's common stock outstanding. ($38.14M proceeds)

17M 1.7M
Sep 16, 2022

8-K filing: Astria Therapeutics increased the amount of common stock that may be offered under its at-the-market offering program to an aggregate offering price of up to $50,000,000. As of September 15, 2022, there were 15,178,042 shares of the Company's common stock outstanding. ($19.5M proceeds)

15M 3.6M
Aug 09, 2022

10-Q filing | 13.0M shares outstanding

13M 5.7M
May 13, 2022

S-3 filing: Astria Therapeutics files an S-3 shelf registration to offer and sell up to $250,000,000 of common stock, preferred stock, depositary shares, units, and warrants from time to time in one or more offerings.

13M 5.7M
May 12, 2022

10-Q filing | 13.0M shares outstanding

13M 5.7M
Mar 10, 2022

10-K filing | 13.0M shares outstanding

13M 5.7M
Nov 10, 2021

10-Q filing | 12.8M shares outstanding

13M 5.9M
Aug 19, 2021
Stock Split

8-K filing: Stock split one-for-six | Outstanding: 76,948,803 → 12,824,800

13M 5.9M
Aug 09, 2021

10-Q filing | 76.9M shares outstanding

77M 36M
May 13, 2021

10-Q filing | 23.4M shares outstanding

23M 89M
Apr 16, 2021

S-3/A filing: This S-3/A filing relates to the proposed resale or other disposition of 92,399,805 shares of common stock by selling stockholders.

20M 92M
Mar 11, 2021

S-3 filing: This S-3 filing pertains to the proposed resale of 92,399,805 shares of common stock by selling stockholders, consisting of shares issued in connection with the acquisition of Quellis Biosciences, Inc. and shares issuable upon the conversion of Series X Convertible Preferred Stock.

20M 92M
Jan 29, 2021

8-K filing: Catabasis Pharmaceuticals acquired Quellis Biosciences through a merger, issuing 3,332,669 shares of common stock and 50,504 shares of newly designated Series X Preferred Stock to Quellis stockholders, and also entered into a Stock Purchase Agreement to sell approximately 35,573 shares of Series X Preferred Stock for $110.0 million. ($110.0M proceeds)

20M 0
Nov 12, 2020

10-Q filing | 20.1M shares outstanding

20M 0
Aug 10, 2020

10-Q filing | 19.1M shares outstanding

19M 0
May 12, 2020

10-Q filing | 17.9M shares outstanding

18M 0
Mar 10, 2020

10-K filing | 17.9M shares outstanding

18M 0
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