VANGUARD GROUP INC 13D and 13G filings for Gossamer Bio, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-27 09:31 am Sale | 2026-03-13 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 0 0.000% | -11,410,792 (Position Closed) | Filing |
| 2025-07-29 1:34 pm Purchase | 2025-06-30 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 11,410,792 5.020% | 1,376,643 (+13.72%) | Filing |
| 2025-01-30 9:57 pm Sale | 2024-12-31 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 10,034,149 4.420% | -1,601,485 (-13.76%) | Filing |
| 2024-02-13 5:06 pm Purchase | 2023-12-29 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 11,635,634 5.160% | 3,675,777 (+46.18%) | Filing |
| 2023-02-09 11:22 am Purchase | 2022-12-30 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 7,959,857 8.430% | 2,372,398 (+42.46%) | Filing |
| 2022-02-10 08:16 am Purchase | 2021-12-31 | 13G | GOSSAMER BIO INC GOSS | VANGUARD GROUP INC | 5,587,459 7.310% | 229,654 (+4.29%) | Filing |