| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $9,609 | +300 | +0.39% | $32.03 | 78,187 | 14 Dec 2021 | Direct | |
| transaction | MTX | Common Stock | Sale | -$21,617 | -300 | -0.38% | $72.06 | 77,887 | 14 Dec 2021 | Direct | F1 |
| transaction | MTX | Common Stock | Options Exercise | $538,552 | +16,814 | +22% | $32.03 | 94,701 | 15 Dec 2021 | Direct | |
| transaction | MTX | Common Stock | Sale | -$436,163 | -6,204 | -6.6% | $70.3 | 88,497 | 15 Dec 2021 | Direct | F2 |
| transaction | MTX | Common Stock | Sale | -$567,016 | -7,950 | -9% | $71.32 | 80,547 | 15 Dec 2021 | Direct | F3 |
| transaction | MTX | Common Stock | Sale | -$191,379 | -2,660 | -3.3% | $71.95 | 77,887 | 15 Dec 2021 | Direct | F4 |
| holding | MTX | Common Stock | 2,784 | 14 Dec 2021 | By 401(k) | F5 |
| 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 | -300 | -1.8% | $0 | 16,814 | 14 Dec 2021 | Common Stock | 300 | $32.03 | Direct | F6 |
| transaction | MTX | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -16,814 | -100% | $0* | 0 | 15 Dec 2021 | Common Stock | 16,814 | $32.03 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | Weighted average price representing high of $72.08 and low of $72.01. |
| F2 | Weighted average price representing high of $70.80 and low of $69.81. |
| F3 | Weighted average price representing high of $71.82 and low of $70.83. |
| F4 | Weighted average price representing high of $72.02 and low of $71.85. |
| F5 | The information contained in this report is based on a Plan Statement dated as of December 16, 2021. |
| F6 | These options were granted on January 25, 2012 and vest in three equal annual installments beginning on January 25, 2013. |