NYSE : MTX
$1.39 (1.9%)
80
55
$231.74K
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| PITTMAN CAROLYN K | director | 2026-07-01 | A-Award | 0 | 2026-07-02 |
| ROBINSON MARC E | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| PITTMAN CAROLYN K | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| Motwani Rocky | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| JOHNSON KRISTINA M | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| CLARK ROBERT L | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| CARMOLA JOHN J | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| Breunig Joseph C. | director | 2026-06-18 | A-Award | 0 | 2026-06-22 |
| ROBINSON MARC E | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| PITTMAN CAROLYN K | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| Motwani Rocky | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| JOHNSON KRISTINA M | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| CLARK ROBERT L | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| CARMOLA JOHN J | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| Breunig Joseph C. | director | 2026-05-20 | A-Award | 0 | 2026-05-21 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-05-14 | M-Exempt | 78.025 | 2026-05-18 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-05-14 | S-Sale | 81.5292 | 2026-05-18 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-05-14 | M-Exempt | 78.025 | 2026-05-18 |
| JORDAN TIMOTHY | officer: Vice President | 2026-05-11 | S-Sale | 80.2747 | 2026-05-13 |
| FEDER FRANKLIN | director | 2026-04-01 | A-Award | 0 | 2026-04-03 |
| PITTMAN CAROLYN K | director | 2026-04-01 | A-Award | 0 | 2026-04-02 |
| ROBINSON MARC E | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| PITTMAN CAROLYN K | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| Motwani Rocky | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| JOHNSON KRISTINA M | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| FEDER FRANKLIN | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| Deans Alison Ann | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| CLARK ROBERT L | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| CARMOLA JOHN J | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| Breunig Joseph C. | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| MONAGLE DJ III | officer: Group President | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-26 | M-Exempt | 0 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-23 | M-Exempt | 0 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-26 | F-InKind | 68.89 | 2026-01-27 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-23 | F-InKind | 68.77 | 2026-01-27 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| Hastings Jonathan J | officer: Senior Vice President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| ALDAG ERIK | officer: SVP FINANCE AND TREASURY, CFO | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| ARGIRAKIS BRETT | officer: Group President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| CIPOLLA MICHAEL | officer: VICE PRESIDENT | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| CUTLER ERIN | officer: VP, Human Resources | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |
| JORDAN TIMOTHY | officer: Vice President | 2026-01-21 | F-InKind | 66.92 | 2026-01-23 |
| MONAGLE DJ III | officer: Group President | 2026-01-21 | M-Exempt | 0 | 2026-01-23 |