| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Zeldin Robert K | CHIEF MEDICAL OFFICER | 655 THIRD AVENUE, SUITE 1115, NEW YORK | /s/ Robert J. Wollin, Attorney-in-fact for Robert K. Zeldin | 23 Feb 2026 | 0001745347 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MGTX | Ordinary Shares | Options Exercise | +7,500 | +4.5% | 175,840 | 21 Feb 2026 | Direct | F1, F2 | ||
| transaction | MGTX | Ordinary Shares | Tax liability | $21,992 | -2,952 | -1.7% | $7.45 | 172,888 | 21 Feb 2026 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MGTX | Restricted Share Units | Options Exercise | $0 | -7,500 | -50% | $0.000000 | 7,500 | 21 Feb 2026 | Ordinary Shares | 7,500 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents vesting of one-quarter of restricted share units granted on February 21, 2023. |
| F2 | Each restricted share unit converts into one ordinary share upon vesting. |
| F3 | Shares withheld for payment of taxes upon vesting of award. |