Silver Ronald (CIK 1873731) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-21). Recent activity: Buy IRWD (25,000 shares), Buy IRWD (163,934 shares), Sell IRWD (11,552 shares), Sell IRWD (12,621 shares), Sell IRWD (35,416 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-21 | IRONWOOD PHARMACEUTICALS INC (IRWD) | PFO & PAO | Buy | 25,000 | $0 |
| 2026-03-12 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Buy | 163,934 | $0 |
| 2026-02-25 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Sell | 11,552 | $44,013 |
| 2026-02-25 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Sell | 12,621 | $46,193 |
| 2026-01-07 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Sell | 35,416 | $162,914 |
| 2025-08-13 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Sell | 2,846 | $2,391 |
| 2025-02-12 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Sell | 12,048 | $21,204 |
| 2025-01-29 | IRONWOOD PHARMACEUTICALS INC (IRWD) | Principal Accounting Officer | Buy | 133,333 | $0 |
Source: SEC Form 4 filings · as of 2026-05-21