| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $356,750 | +11,138 | +17% | $32.03 | 76,392 | 17 Nov 2021 | Direct | |
| transaction | MTX | Common Stock | Sale | $638,895 | -8,600 | -11% | $74.29 | 67,792 | 17 Nov 2021 | Direct | F1, F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -11,138 | -54% | $0.000000 | 9,340 | 17 Nov 2021 | Common Stock | 11,138 | $32.03 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Reflects shares sold to pay withholding taxes and costs of options; balance of shares retained by the officer. |
| F2 | Weighted average price representing high of $74.7375 and low of $74.00. |
| F3 | The option vested in three equal annual installment beginning on January 25, 2013. |