| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $299,160 | +9,340 | +14% | $32.03 | 77,132 | 16 Dec 2021 | Direct | |
| transaction | MTX | Common Stock | Sale | $596,278 | -8,240 | -11% | $72.36 | 68,892 | 16 Dec 2021 | Direct | F1 |
| transaction | MTX | Common Stock | Sale | $80,683 | -1,100 | -1.6% | $73.35 | 67,792 | 16 Dec 2021 | Direct | 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 | -9,340 | -100% | $0.000000* | 0 | 16 Dec 2021 | Common Stock | 9,340 | $32.03 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Weighted average price representing high of $72.88 and low of $71.965. |
| F2 | Weighted average price representing high of $73.52 and low of $73.16. |
| F3 | These options were granted on January 25, 2012 and vested in three equal annual installments beginning on January 25, 2013. |