| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Award | $22,460 | +255 | +0.6% | $88.08 | 42,855 | 19 Jan 2022 | Held In Directors Deferred Comp. Plan | |
| holding | MTRN | Common Stock | 5,909 | 19 Jan 2022 | Direct |