683 Capital Management, LLC 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 |
| 2026-06-11 4:54 pm Purchase | 2026-06-04 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 49,868,571 9.990% | 40,537,267![]() (+434.42%) | Filing |
| 2026-03-24 4:48 pm Sale | 2026-03-18 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 9,331,304 3.900% | -3,000,000![]() (-24.33%) | Filing |
| 2026-03-02 11:57 am Purchase | 2026-02-23 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 12,331,304 5.230% | 12,331,304![]() (New Position) | Filing |

