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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MTX | ARGIRAKIS BRETT | Group President | Jan 26 '26 | Option Exercise | 0.00 | 2,672 | 0 | 33,763 | Jan 27 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 23 '26 | Option Exercise | 0.00 | 3,247 | 0 | 32,504 | Jan 27 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 21 '26 | Option Exercise | 0.00 | 3,112 | 0 | 30,714 | Jan 23 |
| MTX | ARGIRAKIS BRETT | Group President | Nov 21 '25 | Option Exercise | 38.28 | 6,501 | 248,891 | 34,103 | Nov 25 |
| MTX | ARGIRAKIS BRETT | Group President | Nov 21 '25 | Sale | 58.68 | 6,501 | 381,459 | 27,602 | Nov 25 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 27 '25 | Option Exercise | 0.00 | 2,169 | 0 | 28,546 | Jan 29 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 24 '25 | Option Exercise | 0.00 | 2,672 | 0 | 27,540 | Jan 28 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 23 '25 | Option Exercise | 0.00 | 3,248 | 0 | 26,350 | Jan 27 |
| MTX | ARGIRAKIS BRETT | Group President | Jun 17 '24 | Option Exercise | 60.19 | 2,630 | 158,287 | 25,361 | Jun 18 |
| MTX | ARGIRAKIS BRETT | Group President | Jun 17 '24 | Sale | 83.95 | 2,259 | 189,643 | 23,102 | Jun 18 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 26 '24 | Option Exercise | 0.00 | 1,966 | 0 | 23,595 | Jan 29 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 25 '24 | Option Exercise | 0.00 | 2,169 | 0 | 22,583 | Jan 29 |
| MTX | ARGIRAKIS BRETT | Group President | Jan 24 '24 | Option Exercise | 0.00 | 2,672 | 0 | 21,683 | Jan 26 |
| MTX | ARGIRAKIS BRETT | Group President | Dec 14 '23 | Option Exercise | 57.97 | 2,655 | 153,897 | 21,666 | Dec 18 |
| MTX | ARGIRAKIS BRETT | Group President | Dec 14 '23 | Sale | 66.84 | 2,655 | 177,460 | 19,011 | Dec 18 |