BlackRock, 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 |
| 2026-01-21 12:30 pm Purchase | 2025-12-31 | 13G | Gossamer Bio, Inc. GOSS | BlackRock Inc. BLK | 15,065,708 6.500% | 2,930,369![]() (+24.15%) | Filing |
| 2025-07-17 7:54 pm Purchase | 2025-06-30 | 13G | Gossamer Bio, Inc. GOSS | BlackRock Inc. BLK | 12,135,339 5.300% | 7,481,720![]() (+160.77%) | Filing |
| 2023-05-05 11:52 am Sale | 2023-04-30 | 13G | Gossamer Bio, Inc. GOSS | BlackRock Inc. BLK | 4,653,619 4.900% | -759,404![]() (-14.03%) | Filing |
| 2023-02-01 4:54 pm Sale | 2022-12-31 | 13G | Gossamer Bio, Inc. GOSS | BlackRock Inc. BLK | 5,413,023 5.700% | -16,663![]() (-0.31%) | Filing |
| 2022-02-03 4:41 pm Purchase | 2021-12-31 | 13G | Gossamer Bio, Inc. GOSS | BlackRock Inc. BLK | 5,429,686 7.100% | 727,651![]() (+15.48%) | Filing |

