| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MTX | |||||
| 2026-10-01 | Pittman, Carolyn K | Director | Purchased | 112.19 | $0.00 |
| 2026-09-04 | Clark, Robert L | Director | Purchased | 56.36 | $0.00 |
| 2026-09-04 | Pittman, Carolyn K | Director | Purchased | 34.7 | $0.00 |
| 2026-09-04 | Robinson, Marc E | Director | Purchased | 45.01 | $0.00 |
| 2026-09-04 | Carmola, John J | Director | Purchased | 46.75 | $0.00 |
| 2026-09-04 | Motwani, Rocky | Director | Purchased | 13.55 | $0.00 |
| 2026-09-04 | Johnson, Kristina M | Director | Purchased | 10.03 | $0.00 |
| 2026-09-04 | Breunig, Joseph C. | Director | Purchased | 36.06 | $0.00 |
| 2026-07-01 | Pittman, Carolyn K | Director | Purchased | 99.11 | $0.00 |
| 2026-06-18 | Carmola, John J | Director | Purchased | 42.58 | $0.00 |
| 2026-06-18 | Robinson, Marc E | Director | Purchased | 40.99 | $0.00 |
| 2026-06-18 | Pittman, Carolyn K | Director | Purchased | 31.45 | $0.00 |
| 2026-06-18 | Motwani, Rocky | Director | Purchased | 12.35 | $0.00 |
| 2026-06-18 | Johnson, Kristina M | Director | Purchased | 9.14 | $0.00 |
| 2026-06-18 | Clark, Robert L | Director | Purchased | 51.33 | $0.00 |
| 2026-06-18 | Breunig, Joseph C. | Director | Purchased | 32.84 | $0.00 |
| 2026-05-20 | Clark, Robert L | Director | Purchased | 1908.15 | $0.00 |
| 2026-05-20 | Robinson, Marc E | Director | Purchased | 1908.15 | $0.00 |
| 2026-05-20 | Pittman, Carolyn K | Director | Purchased | 1908.15 | $0.00 |
| 2026-05-20 | Breunig, Joseph C. | Director | Purchased | 1908.15 | $0.00 |