| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MTX | |||||
| 2025-07-01 | Pittman, Carolyn K | Director | Purchased | 84.75 | $0.00 |
| 2025-07-01 | Feder, Franklin | Director | Purchased | 211.88 | $0.00 |
| 2025-06-16 | Motwani, Rocky | Director | Purchased | 370 | $54.31 |
| 2025-06-12 | Carmola, John J | Director | Purchased | 50.7 | $0.00 |
| 2025-06-12 | Clark, Robert L | Director | Purchased | 61.89 | $0.00 |
| 2025-06-12 | Deans, Alison Ann | Director | Purchased | 30.1 | $0.00 |
| 2025-06-12 | Pittman, Carolyn K | Director | Purchased | 35.73 | $0.00 |
| 2025-06-12 | Feder, Franklin | Director | Purchased | 43.47 | $0.00 |
| 2025-06-12 | Johnson, Kristina M | Director | Purchased | 7.96 | $0.00 |
| 2025-06-12 | Motwani, Rocky | Director | Purchased | 12.06 | $0.00 |
| 2025-06-12 | Robinson, Marc E | Director | Purchased | 48.67 | $0.00 |
| 2025-06-12 | Breunig, Joseph C. | Director | Purchased | 38.26 | $0.00 |
| 2025-05-14 | Carmola, John J | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Pittman, Carolyn K | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Motwani, Rocky | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Johnson, Kristina M | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Breunig, Joseph C. | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Feder, Franklin | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Robinson, Marc E | Director | Purchased | 2500 | $0.00 |
| 2025-05-14 | Deans, Alison Ann | Director | Purchased | 2500 | $0.00 |
