Weighted Average Number of Shares Outstanding, Basic of Gossamer Bio, Inc. from 31 Dec 2019 to 30 Sep 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
Gossamer Bio, Inc. quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Dec 2019 to 30 Sep 2025.
  • Gossamer Bio, Inc. Weighted Average Number of Shares Outstanding, Basic for the quarter ending 30 Sep 2025 was 227,981,475, a 0.72% increase year-over-year.
  • Gossamer Bio, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 226,228,016, a 48% increase from 2023.
  • Gossamer Bio, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 152,621,669, a 80% increase from 2022.
  • Gossamer Bio, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 84,574,869, a 13% increase from 2021.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

Gossamer Bio, Inc. Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q3 2025 227,981,475 +1,635,417 +0.72% 01 Jul 2025 30 Sep 2025 10-Q 05 Nov 2025 2025 Q3
Q2 2025 227,275,466 +1,054,264 +0.47% 01 Apr 2025 30 Jun 2025 10-Q 05 Aug 2025 2025 Q2
Q1 2025 226,818,051 +1,082,815 +0.48% 01 Jan 2025 31 Mar 2025 10-Q 15 May 2025 2025 Q1
Q4 2024 226,228,016 +73,606,347 +48% 01 Oct 2024 31 Dec 2024 10-K 13 Mar 2025 2024 FY
Q3 2024 226,346,058 +33,462,849 +17% 01 Jul 2024 30 Sep 2024 10-Q 05 Nov 2025 2025 Q3
Q2 2024 226,221,202 +130,774,273 +137% 01 Apr 2024 30 Jun 2024 10-Q 05 Aug 2025 2025 Q2
Q1 2024 225,735,236 +130,864,943 +138% 01 Jan 2024 31 Mar 2024 10-Q 15 May 2025 2025 Q1
Q4 2023 152,621,669 +68,046,800 +80% 01 Oct 2023 31 Dec 2023 10-K 13 Mar 2025 2024 FY
Q3 2023 192,883,209 +101,701,782 +112% 01 Jul 2023 30 Sep 2023 10-Q 07 Nov 2024 2024 Q3
Q2 2023 95,446,929 +18,778,767 +24% 01 Apr 2023 30 Jun 2023 10-Q 12 Aug 2024 2024 Q2
Q1 2023 94,870,293 +18,975,601 +25% 01 Jan 2023 31 Mar 2023 10-Q 07 May 2024 2024 Q1
Q4 2022 84,574,869 +9,731,387 +13% 01 Oct 2022 31 Dec 2022 10-K 13 Mar 2025 2024 FY
Q3 2022 91,181,427 +16,179,917 +22% 01 Jul 2022 30 Sep 2022 10-Q 09 Nov 2023 2023 Q3
Q2 2022 76,668,162 +1,995,280 +2.7% 01 Apr 2022 30 Jun 2022 10-Q 08 Aug 2023 2023 Q2
Q1 2022 75,894,692 +1,801,166 +2.4% 01 Jan 2022 31 Mar 2022 10-Q 09 May 2023 2023 Q1
Q4 2021 74,843,482 +6,333,222 +9.2% 01 Oct 2021 31 Dec 2021 10-K 05 Mar 2024 2023 FY
Q3 2021 75,001,510 +2,755,613 +3.8% 01 Jul 2021 30 Sep 2021 10-Q 03 Nov 2022 2022 Q3
Q2 2021 74,672,882 +8,072,967 +12% 01 Apr 2021 30 Jun 2021 10-Q 09 Aug 2022 2022 Q2
Q1 2021 74,093,526 +12,203,203 +20% 01 Jan 2021 31 Mar 2021 10-Q 10 May 2022 2022 Q1
Q4 2020 68,510,260 01 Oct 2020 31 Dec 2020 10-K 17 Mar 2023 2022 FY
Q3 2020 72,245,897 01 Jul 2020 30 Sep 2020 10-Q 08 Nov 2021 2021 Q3
Q2 2020 66,599,915 01 Apr 2020 30 Jun 2020 10-Q 09 Aug 2021 2021 Q2
Q1 2020 61,890,323 01 Jan 2020 31 Mar 2020 10-Q 06 May 2021 2021 Q1

Gossamer Bio, Inc. Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2024 226,228,016 +73,606,347 +48% 01 Jan 2024 31 Dec 2024 10-K 13 Mar 2025 2024 FY
2023 152,621,669 +68,046,800 +80% 01 Jan 2023 31 Dec 2023 10-K 13 Mar 2025 2024 FY
2022 84,574,869 +9,731,387 +13% 01 Jan 2022 31 Dec 2022 10-K 13 Mar 2025 2024 FY
2021 74,843,482 +6,333,222 +9.2% 01 Jan 2021 31 Dec 2021 10-K 05 Mar 2024 2023 FY
2020 68,510,260 +13,770,090 +25% 01 Jan 2020 31 Dec 2020 10-K 17 Mar 2023 2022 FY
2019 54,740,170 01 Jan 2019 31 Dec 2019 10-K 03 Mar 2022 2021 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.