| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MKSI | Common Stock | Gift | $0 | -1,000 | -1% | $0.000000 | 98,017 | 11 May 2023 | By The Gerald G. Colella Living Trust | |
| holding | MKSI | Common Stock | 1,747 | 11 May 2023 | Direct |