| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Award | $22,431 | +276 | +0.64% | $81.27 | 43,189 | 07 Apr 2022 | Held In Directors Deferred Comp. Plan | |
| holding | MTRN | Common Stock | 5,909 | 07 Apr 2022 | Direct |