Common Stock, Shares Authorized of Upstream Bio, Inc. from Q4 2023 to Q3 2025

Taxonomy & unit
us-gaap: shares
Description
The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
Summary
Upstream Bio, Inc. quarterly Common Stock, Shares Authorized history and change rate from Q4 2023 to Q3 2025.
  • Upstream Bio, Inc. Common Stock, Shares Authorized for the quarter ending 30 Sep 2025 was 500M shares, a 1129% increase year-over-year.
Common Stock, Shares Authorized, Quarterly (shares)
Common Stock, Shares Authorized, YoY Quarterly Change (%)

Upstream Bio, Inc. Quarterly Common Stock, Shares Authorized (shares)

Period Value YoY Chg Change % Date Report Filed
Q3 2025 500M +459M +1129% 30 Sep 2025 10-Q 05 Nov 2025
Q2 2025 500M 30 Jun 2025 10-Q 06 Aug 2025
Q1 2025 500M 31 Mar 2025 10-Q 06 May 2025
Q4 2024 500M +459M +1130% 31 Dec 2024 10-Q 05 Nov 2025
Q3 2024 40.7M 30 Sep 2024 10-Q 07 Nov 2024
Q4 2023 40.7M 31 Dec 2023 10-K 12 Mar 2025
* An asterisk sign (*) next to the value indicates that the value is likely invalid.