| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Award | $18,673 | +212 | +2.2% | $88.08 | 9,807 | 19 Jan 2022 | Held in Directors Deferred Compensation Plan | |
| holding | MTRN | Common Stock | 1,453 | 19 Jan 2022 | Direct |