| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $846,173 | +14,598 | +19% | $57.96 | 91,318 | 20 Dec 2023 | Direct | |
| transaction | MTX | Common Stock | Sale | $780,439 | -11,496 | -13% | $67.89 | 79,822 | 20 Dec 2023 | Direct | F1 |
| transaction | MTX | Common Stock | Sale | $213,364 | -3,102 | -3.9% | $68.78 | 76,720 | 20 Dec 2023 | Direct | F2 |
| holding | MTX | Common Stock | 386 | 20 Dec 2023 | By 401(k) | F3 |
| 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 | -14,598 | -100% | $0.000000* | 0 | 20 Dec 2023 | Common Stock | 14,598 | $57.96 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Weighted average price representing high of $68.54 and low of $67.55. |
| F2 | Weighted average price representing high of $69.00 and low of $68.55. |
| F3 | The information contained in this report is based on a Plan Statement dated as of December 20, 2023. |
| F4 | The options vested in three equal annual installments beginning on January 22, 2015. |