Giroux Richard (CIK 1742734) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-21). Recent activity: Sell MGTX (56,000 shares), Buy MGTX (60,000 shares), Sell MGTX (31,726 shares), Buy MGTX (310,000 shares), Sell MGTX (163,916 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-21 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 56,000 | $572,320 |
| 2026-02-23 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Buy | 60,000 | $0 |
| 2026-02-23 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 31,726 | $236,359 |
| 2026-01-21 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Buy | 310,000 | $0 |
| 2026-01-21 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 163,916 | $1.2M |
| 2026-01-08 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Buy | 52,500 | $0 |
| 2026-01-08 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 28,822 | $222,794 |
| 2025-10-21 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 24,000 | $212,880 |
| 2025-07-22 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 24,000 | $204,480 |
| 2025-07-02 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 5,000 | $0 |
| 2025-04-22 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 24,000 | $144,000 |
| 2025-02-25 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Buy | 120,000 | $0 |
| 2025-02-25 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 63,452 | $463,200 |
| 2025-01-21 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 24,000 | $150,960 |
| 2025-01-16 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Buy | 25,000 | $0 |
| 2025-01-16 | MeiraGTx Holdings plc (MGTX) | CFO & COO | Sell | 13,219 | $76,274 |
Source: SEC Form 4 filings · as of 2026-04-21