| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MGTX | |||||
| 2026-05-13 | Fleck, Penny Renee | CHIEF DEVELOPMENT OFFICER | Purchased | 100000 | $0.00 |
| 2026-05-13 | Fleck, Penny Renee | CHIEF DEVELOPMENT OFFICER | Purchased | 100000 | $0.00 |
| 2026-04-21 | Giroux, Richard | CFO & COO | Sold | 56000 | $10.22 |
| 2026-04-17 | Perceptive, Advisors Llc | Director, 10% Owner | Purchased | 555555 | $9.00 |
| 2026-04-07 | Naylor, Stuart | CHIEF DEV. OFFICER | Sold | 27661 | $9.36 |
| 2026-03-25 | Perceptive, Advisors Llc | Director, 10% Owner | Sold | 400000 | $0.00 |
| 2026-03-25 | Perceptive, Advisors Llc | Director, 10% Owner | Sold | 300000 | $0.00 |
| 2026-03-25 | Perceptive, Advisors Llc | Director, 10% Owner | Purchased | 400000 | $0.00 |
| 2026-03-25 | Perceptive, Advisors Llc | Director, 10% Owner | Purchased | 300000 | $0.00 |
| 2026-03-24 | Forbes, Alexandria | Director, PRESIDENT & CEO | Sold | 62000 | $7.41 |
| 2026-02-21 | Giroux, Richard | CFO & COO | Sold | 60000 | $0.00 |
| 2026-02-21 | Giroux, Richard | CFO & COO | Sold | 31726 | $7.45 |
| 2026-02-21 | Giroux, Richard | CFO & COO | Purchased | 60000 | $0.00 |
| 2026-02-21 | Naylor, Stuart | CHIEF DEV. OFFICER | Sold | 25000 | $0.00 |
| 2026-02-21 | Naylor, Stuart | CHIEF DEV. OFFICER | Purchased | 25000 | $0.00 |
| 2026-02-21 | Naylor, Stuart | CHIEF DEV. OFFICER | Sold | 11750 | $7.45 |
| 2026-02-21 | Zeldin, Robert K | CHIEF MEDICAL OFFICER | Purchased | 7500 | $0.00 |
| 2026-02-21 | Zeldin, Robert K | CHIEF MEDICAL OFFICER | Sold | 2952 | $7.45 |
| 2026-02-21 | Zeldin, Robert K | CHIEF MEDICAL OFFICER | Sold | 7500 | $0.00 |
| 2026-02-21 | Wollin, Robert J | GENERAL COUNSEL AND SECRETARY | Purchased | 11250 | $0.00 |