| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| D'Alterio Gennaro A. | EVP, Chief Commercial Officer | C/O MISTRAS GROUP, 195 CLARKSVILLE ROAD, PRINCETON JUNCTION | /s/ Laura Boswell, attorney-in-fact for Gennaro A. D'Alterio | 10 Mar 2026 | 0001457461 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MG | Common Stock | Tax liability | -184 | -0.39% | $15.68* | 47,239 | 04 Mar 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Transaction represents shares withheld to pay taxes upon vesting of restricted stock units. |