PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Jan 26 '26 | Option Exercise | 0.00 | 1,841 | 0 | 7,978 | Jan 27 |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Jan 23 '26 | Option Exercise | 0.00 | 2,243 | 0 | 7,377 | Jan 27 |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Jan 21 '26 | Option Exercise | 0.00 | 2,245 | 0 | 6,490 | Jan 23 |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Apr 30 '25 | Buy | 50.37 | 1,000 | 50,370 | 4,245 | May 01 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 27 '25 | Option Exercise | 0.00 | 286 | 0 | 3,404 | Jan 29 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 24 '25 | Option Exercise | 0.00 | 1,841 | 0 | 4,137 | Jan 28 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 23 '25 | Option Exercise | 0.00 | 2,243 | 0 | 3,618 | Jan 27 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 26 '24 | Option Exercise | 0.00 | 252 | 0 | 1,513 | Jan 29 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 25 '24 | Option Exercise | 0.00 | 286 | 0 | 1,429 | Jan 29 |
| MTX | ALDAG ERIK | Senior Vice President | Jan 24 '24 | Option Exercise | 0.00 | 1,842 | 0 | 2,263 | Jan 26 |