Gossamer Bio, Inc.
Recent Filings
All 422 filings →| Form | Description | Date |
|---|---|---|
| SCHEDULE 13G/A | — | Mar 27, 2026 |
| SCHEDULE 13G/A | — | Mar 24, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| 4 | FORM 4 | Mar 20, 2026 |
| EFFECT | — | Mar 18, 2026 |
| POS AM | POS AM | Mar 17, 2026 |
Insider Transactions
View all →| Insider | Title | Type | Shares | Date |
|---|---|---|---|---|
| Smith Robert Paul JR | Chief Commercial Officer | Award / Grant | 162,500 | Oct 1, 2025 |
| Christian Waage | EVP, Tech Ops and Admin | Award / Grant | 125,000 | Oct 1, 2025 |
| Giraudo Bryan | COO/CFO | Award / Grant | 181,250 | Oct 1, 2025 |
| Aranda Richard | Chief Medical Officer | Award / Grant | 162,500 | Oct 1, 2025 |
| Hasnain Faheem | President & CEO | Award / Grant | 437,500 | Oct 1, 2025 |
| Peterson Caryn | EVP, Regulatory Affairs | Award / Grant | 125,000 | Oct 1, 2025 |
| Milligan Sandra | — | Purchase | 26,050 @ $1.92 | Aug 19, 2025 |
| Aranda Richard | Chief Medical Officer | Sale | 1,908 @ $0.66 | Jun 24, 2024 |
| Hasnain Faheem | President & CEO | Purchase | 372,000 @ $0.67 | Jun 21, 2024 |
| Giraudo Bryan | COO/CFO | Purchase | 100,000 @ $0.59 | Jun 18, 2024 |