| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Gossamer Bio, Inc. (GOSS) has 12 insiders with recent SEC Form 4 filings, including 4 buys and 6 sells. GOSS is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 837.8K | $277.1K | - | |
| VP | 814.1K | $269.3K | - | |
| Other | 562.5K | $186.1K | - | |
| Other | 463.1K | $153.2K | - | |
| CFO | 389.7K | $128.9K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2025 | Milligan Sandra | Director | Buy | 26,050 | $1.92 | $50,016.00 | +81.4% | +55.7% | - | |
| Jun 24, 2024 | Aranda Richard66 | Chief Medical Officer | Sell | 1,908 | $0.66 | $1,260.23 | -1.0% | +21.1% | +67.0% | |
| Jun 21, 2024 | Hasnain Faheem74 | President &CEO | Buy | 372,000 | $0.67 | $250,281.60 | +7.4% | +47.7% | +121.5% | |
| Jun 18, 2024 | Giraudo Bryan73 | Coo/ CFO | Buy | 100,000 | $0.59 | $59,110.00 | +26.3% | +67.8% | +137.8% | |
| Jun 17, 2024 | Smith Robert Paul Jr | Chief Commercial Officer | Buy | 25,000 | $0.60 | $15,050.00 | New | +75.0% | +138.4% | |
| Mar 27, 2024 | Christian Waage75 | EVP, Tech Ops And Admin | Sell | 6,430 | $1.16 | $7,429.87 | -1.1% | -13.7% | -0.9% | |
| Mar 27, 2024 | Giraudo Bryan73 | Coo/ CFO | Sell | 6,430 | $1.16 | $7,430.51 | -6.5% | -13.7% | -0.9% | |
| Mar 27, 2024 | Hasnain Faheem74 | President &CEO | Sell | 23,172 | $1.16 | $26,772.93 | -16.2% | -13.7% | -0.9% | |
| Mar 18, 2024 | Peterson Caryn63 | EVP, Regulatory Affairs | Sell | 4,018 | $1.33 | $5,342.73 | -7.5% | -62.3% | +2.9% | |
| Mar 18, 2024 | Aranda Richard66 | Chief Medical Officer | Sell | 4,018 | $1.33 | $5,341.93 | -2.0% | -62.3% | +2.9% |