Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-02-20 Exercise | 2025-02-24 4:32 pm | 2025-02-20 2025-02-20 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 8,720 | $0 | 24,820 (Direct) | View |
| 2025-02-18 Option Award | 2025-02-20 5:32 pm | 2026-02-18 2026-02-18 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 8,324 | $0 | 24,820 (Direct) | View |
| 2025-02-18 Tax Withholding | 2025-02-19 6:21 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 27,332 | $103.67 | 966,016 (Direct) | View |
| 2025-02-18 Exercise | 2025-02-19 6:21 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 61,761 | $0 | 966,016 (Direct) | View |
| 2025-02-18 Option Award | 2025-02-19 6:21 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 37,925 | $0 | 966,016 (Direct) | View |
| 2025-02-10 Option Award | 2025-02-11 5:55 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 12,107 | $0 | 113,991 (Direct) | View |
| 2024-12-06 Exercise | 2024-12-10 3:06 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 2,994 | $0 | 317,441 (Direct) | View |
| 2024-12-06 Tax Withholding | 2024-12-10 3:06 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 2,994 | $114.6 | 317,441 (Direct) | View |
| 2024-05-09 Exercise | 2024-05-10 4:06 pm | 2023-05-09 2025-05-09 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 1,109 | $0 | 16,496 (Direct) | View |
| 2024-02-21 Exercise | 2024-02-22 7:16 pm | 2024-02-21 2026-02-21 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 1,166 | $0 | 16,496 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 7:16 pm | 2025-02-20 2025-02-20 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 6,973 | $0 | 16,496 (Direct) | View |
| 2024-02-15 Tax Withholding | 2024-02-16 2:58 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 30,231 | $122.15 | 1,093,823 (Direct) | View |
| 2024-02-15 Exercise | 2024-02-16 2:58 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 64,534 | $0 | 1,093,823 (Direct) | View |
| 2024-02-15 Option Award | 2024-02-16 2:58 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 22,608 | $0 | 1,093,823 (Direct) | View |
| 2024-02-05 Option Award | 2024-02-06 2:39 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 69,279 | $0 | 146,805 (Direct) | View |
| 2023-12-01 Tax Withholding | 2023-12-05 2:36 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 3,275 | $84.19 | 472,857 (Direct) | View |
| 2023-12-01 Exercise | 2023-12-05 2:36 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 3,275 | $0 | 472,857 (Direct) | View |
| 2023-05-09 Exercise | 2023-05-11 4:01 pm | 2023-05-09 2025-05-09 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 740 | $0 | 9,523 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 4:27 pm | 2024-02-21 2026-02-21 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 5,826 | $0 | 9,523 (Direct) | View |
| 2023-02-15 Exercise | 2023-02-16 2:52 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 47,030 | $0 | 819,460 (Direct) | View |
| 2023-02-15 Tax Withholding | 2023-02-16 2:52 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 20,862 | $100.29 | 819,460 (Direct) | View |
| 2023-02-15 Option Award | 2023-02-16 2:52 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 23,931 | $0 | 819,460 (Direct) | View |
| 2023-02-08 Option Award | 2023-02-09 3:30 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 43,902 | $0 | 103,900 (Direct) | View |
| 2022-05-09 Option Award | 2022-05-10 1:52 pm | 2023-05-09 2025-05-09 | COGNEX CORP | CGNX | Lee John Tseng-Chung Director | 3,697 | $0 | 3,697 (Direct) | View |
| 2022-04-29 Option Award | 2022-05-02 4:14 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 21,056 | $0 | 59,997 (Direct) | View |
| 2022-02-15 Exercise | 2022-02-16 4:33 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 31,198 | $0 | 374,011 (Direct) | View |
| 2022-02-15 Tax Withholding | 2022-02-16 4:33 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 13,839 | $152.55 | 374,011 (Direct) | View |
| 2022-01-21 Option Award | 2022-01-24 4:27 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 28,873 | $0 | 70,139 (Direct) | View |
| 2021-02-16 Tax Withholding | 2021-02-17 6:48 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 9,804 | $172.2 | 531,942 (Direct) | View |
| 2021-02-16 Exercise | 2021-02-17 6:48 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 22,096 | $0 | 531,942 (Direct) | View |
| 2021-02-16 Option Award | 2021-02-17 6:48 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 11,812 | $0 | 531,942 (Direct) | View |
| 2021-01-25 Option Award | 2021-01-26 2:00 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Lee John Tseng-Chung President & CEO | 22,605 | $0 | 51,550 (Direct) | View |