| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $812,298 | +19,673 | +27% | $41.29 | 92,075 | 12 Sep 2022 | Direct | |
| transaction | MTX | Common Stock | Sale | $1,246,438 | -19,673 | -21% | $63.36 | 72,402 | 12 Sep 2022 | Direct | F1 |
| holding | MTX | Common Stock | 181 | 12 Sep 2022 | By 401(k) | 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 | -19,673 | -100% | $0.000000* | 0 | 12 Sep 2022 | Common Stock | 19,673 | $41.29 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Weighted average price representing high of $63.53 and low of $63.03. |
| F2 | The information contained in this report is based on a Plan Statement dated as of September 12, 2022. |
| F3 | The options vested in three equal annual installments beginning on January 22, 2014. |