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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-05-27 Sale | 2026-05-28 2:07 pm | MKS INC | MKSI | Donahue Joseph B Director | 2,100 | $327.95 | $688,703 | 10,033 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-05-11 Option Award | 2026-05-12 3:07 pm | N/A N/A | MKS INC | MKSI | Donahue Joseph B Director | 782 | $0 | 12,133 (Direct) | View |
| 2025-05-12 Option Award | 2025-05-13 4:41 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Donahue Joseph B Director | 2,479 | $0 | 11,351 (Direct) | View |
| 2024-05-07 Option Award | 2024-05-08 5:24 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Donahue Joseph B Director | 1,622 | $0 | 8,871 (Direct) | View |
| 2023-05-16 Option Award | 2023-05-17 3:20 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Donahue Joseph B Director | 2,369 | $0 | 7,250 (Direct) | View |
| 2022-05-10 Option Award | 2022-05-11 1:06 pm | N/A N/A | MKS INSTRUMENTS INC | MKSI | Donahue Joseph B Director | 1,745 | $0 | 4,881 (Direct) | View |