| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MTRN | |||||
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Sold | 864 | $113.23 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Purchased | 2254 | $80.85 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Sold | 1796 | $113.13 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Sold | 1459 | $0.00 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Sold | 2254 | $0.00 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Purchased | 1459 | $68.82 |
| 2025-11-04 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Sold | 1053 | $112.96 |
| 2025-10-06 | Shular, Craig S | Director | Purchased | 195 | $124.42 |
| 2025-10-06 | Prevost, Patrick M. | Director | Purchased | 165 | $124.42 |
| 2025-09-05 | Toth, Robert B | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Shular, Craig S | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Chemnitz, Gregory R. | VP General Counsel & Secretary | Purchased | 5 | $0.00 |
| 2025-09-05 | Liggett, Emily M | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Liggett, Emily M | Director | Purchased | 1.6 | $0.00 |
| 2025-09-05 | Prevost, Patrick M. | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Reddy, N Mohan | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Reddy, N Mohan | Director | Purchased | 56.85 | $0.00 |
| 2025-09-05 | Phillippy, Robert J | Director | Purchased | 2 | $0.00 |
| 2025-09-05 | Phillippy, Robert J | Director | Purchased | 15.13 | $0.00 |
| 2025-09-05 | Fashinpaur, Melissa A | Chief Accounting Officer | Purchased | 3 | $0.00 |