Lee John Tseng-Chung
CIK 1414656
Transactions on file
15
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-26 | 2026-05-22 | MKSI MKS INC | OfficerDirector President & CEO | Sale | 10,000 | $3.15M | +1.7% | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 14,041 | — | — | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 6,735 | — | — | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 22,088 | — | — | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Tax | 27,332 | $2.83M | +209.6% | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 7,207 | — | — | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 4,035 | — | — | open → |
| 2025-02-19 | 2025-02-18 | MKSI MKS INSTRUMENTS INC | OfficerDirector President & CEO | Exer. | 7,654 | — | — | open → |
| 2025-02-24 | 2025-02-20 | CGNX COGNEX CORP | Director | Exer. | 6,973 | $0.00 | — | open → |
| 2025-02-24 | 2025-02-21 | CGNX COGNEX CORP | Director | Exer. | 1,747 | $0.00 | — | open → |
| 2025-05-12 | 2025-05-09 | CGNX COGNEX CORP | Director | Exer. | 1,848 | $0.00 | — | open → |
| 2026-02-24 | 2026-02-21 | CGNX COGNEX CORP | Director | Exer. | 2,913 | $0.00 | — | open → |
| 2025-11-04 | 2025-10-31 | MKSI MKS INC | OfficerDirector President & CEO | Tax | 2,003 | $287.9K | +123.3% | open → |
| 2025-11-04 | 2025-10-31 | MKSI MKS INC | OfficerDirector President & CEO | Exer. | 1,651 | $0.00 | — | open → |
| 2025-11-04 | 2025-10-31 | MKSI MKS INC | OfficerDirector President & CEO | Exer. | 352 | $0.00 | — | open → |
