David Philip Henry
Known title: SVP, Corp Mkt, PMO & Glob SvcCIK: 0001842459
Associated companies
Transaction History
| MKSI | ▼ Sell | Open Market | 6,000 | $1.9M | 6/1/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 2,500 | $826K | 5/26/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 2,000 | $523K | 2/20/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,406 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,247 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 456 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,278 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,841 | — | 2/17/2026 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,054 | — | 2/17/2026 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 4,097 | $1.1M | 2/17/2026 | View on chart |
| MKSI | ▼ Sell | Open Market | 5,000 | $650K | 9/18/2025 | View on chart |
| MKSI | ▼ Sell | Open Market | 2,000 | $210K | 7/3/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,528 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,099 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,406 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,246 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 456 | — | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,278 | — | 2/18/2025 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 2,372 | $246K | 2/18/2025 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,162 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 581 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,528 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,100 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 2,405 | — | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,246 | — | 2/15/2024 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 2,692 | $329K | 2/15/2024 | View on chart |
| MKSI | ▲ Buy | Open Market | 2,500 | $171K | 11/7/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,172 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,161 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 581 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,527 | — | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,098 | — | 2/15/2023 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 1,629 | $163K | 2/15/2023 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 479 | — | 4/18/2022 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 162 | $19K | 4/18/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,171 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 1,161 | — | 2/15/2022 | View on chart |
| MKSI | ▲ Buy | Option Exercise | 580 | — | 2/15/2022 | View on chart |
| MKSI | ▼ Sell | Tax Withholding | 856 | $131K | 2/15/2022 | View on chart |