Gossamer Bio, Inc. (GOSS) has 60 open-market insider trades by 15 insiders since 2019. The most active filer is Bryan Giraudo, COO & CFO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Omega Fund V GP Manager, Ltd. | 10% Owner | — | 2 | $8.8M | 2019-09-20 |
| Faheem Hasnain | CEOPres | — | 7 | $7.0M | 2026-01-02 |
| Otello Stampacchia | Dir10% Owner | — | 1 | $4.1M | 2019-09-11 |
| Luisa Salter-Cid | CSO | — | 2 | $2.1M | 2021-03-23 |
| Omega Fund V, L.P. | 10% Owner | — | 1 | $2.1M | 2019-09-18 |
| Bryan Giraudo | COOCFO | — | 13 | $1.1M | 2026-01-02 |
| Jakob Dupont | — | — | 1 | $632K | 2020-02-14 |
| Waage Christian | VP | — | 8 | $440K | 2026-01-02 |
| Laura Carter | CSO | — | 7 | $327K | 2023-03-16 |
| Richard Aranda | — | — | 8 | $277K | 2026-01-02 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Sandra Milligan | Director | Buy | $50K | 2025-08-19 |
| Richard Aranda | Chief Medical Officer | Sell | $1K | 2024-06-24 |
| Faheem Hasnain | CEO & President | Buy | $498K | 2024-06-21 |
| Bryan Giraudo | COO & CFO | Buy | $59K | 2024-06-18 |
| Robert Paul Smith Jr. | Chief Commercial Officer | Buy | $15K | 2024-06-17 |
| Faheem Hasnain | President | Sell | $27K |
Companies that share insiders with GOSS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2024-03-27 |
| Waage Christian | EVP & Tech Ops and Admin | Sell | $7K | 2024-03-27 |
| Caryn Peterson | EVP & Regulatory Affairs | Sell | $5K | 2024-03-18 |
| Sandra Milligan | Director | Buy | $25K | 2023-11-15 |
| Bryan Giraudo | COO & CFO | Buy | $224K | 2023-11-13 |
| Richard Aranda | Chief Medical Officer | Sell | $2K | 2023-06-22 |
| Bryan Giraudo | COO & CFO | Buy | $56K | 2023-04-04 |
| Bryan Giraudo | COO/CFO | Buy | $49K | 2023-03-20 |
| Waage Christian | EVP & Tech Ops and Admin | Buy | $22K | 2023-03-20 |
| Faheem Hasnain | CEO & President | Buy | $2.0M | 2023-03-20 |