GRYSKA DAVID W (CIK 1202335) reported 2 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-27). Recent activity: Sell FBRX (5,940 shares), Buy DFTX (4,666 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-27 | Forte Biosciences, Inc. (FBRX) | Director | Sell | 5,940 | $0 |
| 2026-06-15 | Definium Therapeutics, Inc. (DFTX) | Director | Buy | 4,666 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-08-27