| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MKSI | Taranto Eric Robert | EVP & GM, VSD | May 11 '26 | Sale | 319.93 | 2,849 | 911,328 | 12,596 | May 12 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Mar 06 '26 | Sale | 220.52 | 4,568 | 1,007,318 | 15,445 | Mar 09 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Feb 20 '26 | Sale | 247.55 | 1,453 | 359,623 | 20,013 | Feb 23 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Feb 17 '26 | Option Exercise | 0.00 | 12,944 | 0 | 24,177 | Feb 18 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Feb 18 '25 | Option Exercise | 0.00 | 11,850 | 0 | 19,227 | Feb 19 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Feb 15 '24 | Option Exercise | 0.00 | 11,524 | 0 | 15,194 | Feb 16 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Apr 17 '23 | Option Exercise | 0.00 | 1,870 | 0 | 8,985 | Apr 19 12:00 AM |
| MKSI | Taranto Eric Robert | EVP & GM, VSD | Feb 15 '23 | Option Exercise | 0.00 | 5,003 | 0 | 10,992 | Feb 16 12:00 AM |