Green John L. (CIK 1709773) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-30). Recent activity: Sell COGT (77,000 shares), Buy COGT (50,000 shares), Buy COGT (300,000 shares), Sell COGT (145,007 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-30 | Cogent Biosciences, Inc. (COGT) | Chief Financial Officer | Sell | 77,000 | $3.0M |
| 2025-12-19 | Cogent Biosciences, Inc. (COGT) | Chief Financial Officer | Buy | 50,000 | $0 |
| 2025-12-19 | Cogent Biosciences, Inc. (COGT) | Chief Financial Officer | Buy | 300,000 | $0 |
| 2025-12-19 | Cogent Biosciences, Inc. (COGT) | Chief Financial Officer | Sell | 145,007 | $5.7M |
Source: SEC Form 4 filings · as of 2025-12-30