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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Mar 03 '26 | Option Exercise | 114.45 | 11,056 | 1,265,308 | 14,892 | Mar 03 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Mar 03 '26 | Sale | 157.32 | 4,517 | 710,620 | 5,930 | Mar 03 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Mar 01 '26 | Option Exercise | 0.00 | 4,006 | 0 | 10,575 | Mar 03 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Feb 17 '26 | Sale | 157.09 | 4,000 | 628,360 | 8,572 | Feb 19 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Nov 04 '25 | Option Exercise | 76.12 | 7,426 | 565,288 | 13,036 | Nov 06 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Nov 04 '25 | Sale | 113.23 | 864 | 97,827 | 10,376 | Nov 06 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Aug 04 '25 | Sale | 105.17 | 3,000 | 315,511 | 10,376 | Aug 06 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | May 05 '25 | Sale | 80.45 | 2,000 | 160,892 | 13,376 | May 06 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Mar 01 '25 | Option Exercise | 0.00 | 5,358 | 0 | 16,730 | Mar 04 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Nov 07 '24 | Sale | 117.57 | 2,000 | 235,134 | 12,031 | Nov 12 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Nov 04 '24 | Sale | 105.10 | 2,000 | 210,196 | 14,031 | Nov 06 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Aug 08 '24 | Sale | 112.87 | 2,000 | 225,740 | 16,031 | Aug 12 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | May 13 '24 | Sale | 113.31 | 2,000 | 226,621 | 18,031 | May 15 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Mar 01 '24 | Option Exercise | 0.00 | 2,936 | 0 | 20,673 | Mar 05 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Feb 17 '24 | Option Exercise | 0.00 | 5,330 | 0 | 17,175 | Feb 23 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Feb 20 '24 | Sale | 133.74 | 3,000 | 401,220 | 14,510 | Feb 22 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Aug 29 '23 | Sale | 107.86 | 1,480 | 159,636 | 17,510 | Aug 30 12:00 AM |
| MTRN | Chemnitz Gregory R. | VP General Counsel & Secretary | Aug 28 '23 | Sale | 107.11 | 320 | 34,274 | 18,990 | Aug 30 12:00 AM |