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 | 3,682 | 0 | 15,287 | Jan 27 12:00 AM |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Jan 23 '26 | Option Exercise | 0.00 | 4,486 | 0 | 17,128 | Jan 27 12:00 AM |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Jan 21 '26 | Option Exercise | 0.00 | 4,490 | 0 | 19,371 | Jan 23 12:00 AM |
| MTX | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Apr 30 '25 | Buy | 50.37 | 1,000 | 50,370 | 4,245 | May 01 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 27 '25 | Option Exercise | 0.00 | 572 | 0 | 13,059 | Jan 29 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 24 '25 | Option Exercise | 0.00 | 3,682 | 0 | 13,345 | Jan 28 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 23 '25 | Option Exercise | 0.00 | 4,486 | 0 | 15,186 | Jan 27 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 26 '24 | Option Exercise | 0.00 | 504 | 0 | 10,696 | Jan 29 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 25 '24 | Option Exercise | 0.00 | 572 | 0 | 10,948 | Jan 29 12:00 AM |
| MTX | ALDAG ERIK | Senior Vice President | Jan 24 '24 | Option Exercise | 0.00 | 3,684 | 0 | 11,234 | Jan 26 12:00 AM |