PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MKSI | Lee John Tseng-Chung | President & CEO | May 22 '26 | Sale | 315.48 | 10,000 | 3,154,800 | 144,696 | May 26 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | Feb 21 '26 | Option Exercise | 0.00 | 5,826 | 0 | 24,820 | Feb 24 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Feb 20 '26 | Sale | 256.77 | 30,000 | 7,703,242 | 154,696 | Feb 23 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | Feb 18 '26 | Option Exercise | 0.00 | 16,648 | 0 | 21,907 | Feb 19 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Feb 17 '26 | Option Exercise | 0.00 | 139,778 | 0 | 217,244 | Feb 18 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Oct 31 '25 | Option Exercise | 0.00 | 4,006 | 0 | 149,273 | Nov 04 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | May 09 '25 | Option Exercise | 0.00 | 3,696 | 0 | 13,583 | May 12 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | Feb 21 '25 | Option Exercise | 0.00 | 3,494 | 0 | 11,735 | Feb 24 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | Feb 20 '25 | Option Exercise | 0.00 | 13,946 | 0 | 9,988 | Feb 24 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Feb 18 '25 | Option Exercise | 0.00 | 123,520 | 0 | 174,449 | Feb 19 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Dec 06 '24 | Option Exercise | 0.00 | 5,988 | 0 | 115,683 | Dec 10 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | May 09 '24 | Option Exercise | 0.00 | 2,218 | 0 | 3,015 | May 10 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | Feb 21 '24 | Option Exercise | 0.00 | 2,332 | 0 | 4,660 | Feb 22 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Feb 15 '24 | Option Exercise | 0.00 | 129,068 | 0 | 160,177 | Feb 16 12:00 AM |
| MKSI | Lee John Tseng-Chung | President & CEO | Dec 01 '23 | Option Exercise | 0.00 | 6,550 | 0 | 81,414 | Dec 05 12:00 AM |
| CGNX | Lee John Tseng-Chung | Director | May 09 '23 | Option Exercise | 0.00 | 1,480 | 0 | 2,957 | May 11 12:00 AM |