MCGIRR DAVID W J (CIK 1219023) reported 11 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-06-25). Recent activity: Buy RYTM (4,712 shares), Sell INSM (53,400 shares), Buy INSM (53,400 shares), Buy RYTM (4,000 shares), Buy XFOR (1,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-25 | RHYTHM PHARMACEUTICALS, INC. (RYTM) | Director | Buy | 4,712 | $0 |
| 2026-02-11 | INSMED Inc (INSM) | Director | Sell | 53,400 | $0 |
| 2026-02-11 | INSMED Inc (INSM) | Director | Buy | 53,400 | $0 |
| 2025-06-23 | RHYTHM PHARMACEUTICALS, INC. (RYTM) | Director | Buy | 4,000 | $0 |
| 2025-06-10 | X4 Pharmaceuticals, Inc (XFOR) | Director | Buy | 1,500 | $0 |
| 2025-06-05 | RHYTHM PHARMACEUTICALS, INC. (RYTM) | Director | Buy | 65,431 | $300,328 |
| 2025-06-05 | RHYTHM PHARMACEUTICALS, INC. (RYTM) | Director | Sell | 55,558 | $3.6M |
| 2025-06-05 | RHYTHM PHARMACEUTICALS, INC. (RYTM) | Director | Sell | 9,873 | $648,064 |
| 2025-06-04 | INSMED Inc (INSM) | Director | Sell | 3,250 | $231,725 |
| 2025-06-04 | INSMED Inc (INSM) | Director | Sell | 3,000 | $219,810 |
| 2025-05-19 | INSMED Inc (INSM) | Director | Buy | 5,058 | $0 |
Source: SEC Form 4 filings · as of 2026-06-25