John Tseng-Chung Lee
Known title: DirectorCIK: 0001414656
Associated companies
Transaction History
| MKSI | ▼ Sell | Open Market | 10,000 | $3.0M | 8/14/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 10,000 | $3.2M | 5/22/2026 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 2,913 | $0 | 2/21/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 13,310 | $3.4M | 2/20/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 12,812 | $3.3M | 2/20/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 1,988 | $513K | 2/20/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 1,890 | $491K | 2/20/2026 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 8,324 | $0 | 2/18/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 22,088 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,654 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 3,859 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,208 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 16,989 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 12,091 | — | 2/17/2026 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 32,548 | $8.5M | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 352 | — | 10/31/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,651 | — | 10/31/2025 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 2,003 | $288K | 10/31/2025 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 1,848 | $0 | 5/9/2025 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 1,747 | $0 | 2/21/2025 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 6,973 | $0 | 2/20/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 14,041 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 6,735 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 22,088 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,654 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 4,035 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,207 | — | 2/18/2025 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 27,332 | $2.8M | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,010 | — | 12/6/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 984 | — | 12/6/2024 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 2,994 | $343K | 12/6/2024 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 1,109 | $0 | 5/9/2024 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 1,166 | $0 | 2/21/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 9,235 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 3,778 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 14,041 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 6,734 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 23,093 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,653 | — | 2/15/2024 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 30,231 | $3.7M | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 390 | — | 12/1/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,186 | — | 12/1/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 160 | — | 12/1/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 569 | — | 12/1/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 970 | — | 12/1/2023 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 3,275 | $276K | 12/1/2023 | View on chart |
| CGNX | ▲ Buy | Option Exercise | 740 | $0 | 5/9/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,536 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 4,282 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 9,624 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 3,937 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 14,634 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,018 | — | 2/15/2023 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 20,862 | $2.1M | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 9,624 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 3,937 | — | 2/15/2022 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 13,839 | $2.1M | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 3,066 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,755 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 7,535 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 4,281 | — | 2/15/2022 | View on chart |