| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Options Exercise | $0 | +9.62K | +17.58% | $0.00 | 64.3K | 22 Feb 2022 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Restricted Stock Units | Options Exercise | $0 | -9.62K | -30.36% | $0.00 | 22.1K | 22 Feb 2022 | Common Stock | 9.62K | Direct | F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | This amendment is being filed solely to report the exempt vesting of restricted stock units (no rows from the original Form 4 are repeated in this amendment). |
| F2 | Each restricted stock unit (RSU) represents a right to receive one share of MTRN common stock. |
| F3 | The restricted stock units are subject to a three year vesting period. |
| F4 | Expiration Date is the same as the Date Exercisable. |