| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Award | $18,692 | +230 | +2.3% | $81.27 | 10,050 | 07 Apr 2022 | Held in Directors Deferred Compensation Plan | |
| holding | MTRN | Common Stock | 1,453 | 07 Apr 2022 | Direct |