Silber Jeffrey (CIK 2050938) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-22). Recent activity: Buy IRWD (137,036 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-22 | IRONWOOD PHARMACEUTICALS INC (IRWD) | SVP, CMO, Head-Res&Drug | Buy | 137,036 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-07-22