Gossamer Bio, Inc. (GOSS) has 5 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Aug. 26, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Aug. 26, 2026 filed Aug. 24, 2026 | Christian Waage EVP, Tech Ops and Admin | $0 | 2,900,026 | 0% | No | |
|
|
||||||
| Aug. 26, 2026 filed Aug. 24, 2026 | Smith Robert Paul JR Chief Commercial Officer | $0 | 5,800,051 | 0% | No | |
|
|
||||||
| Aug. 26, 2026 filed Aug. 24, 2026 | Giraudo Bryan COO/CFO | $25,000 | 5,800,076 | 0% | No | |
|
|
||||||
| Aug. 26, 2026 filed Aug. 24, 2026 | Peterson Caryn Chief Development Officer | $0 | 5,800,051 | 0% | No | |
|
|
||||||
| Aug. 26, 2026 filed Aug. 24, 2026 | Hasnain Faheem President & CEO | $166,000 | 5,800,217 | 0% | No | |
|
|
||||||
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free