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 |
2023-11-07 Purchase |
2023-11-08 11:40 am |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
2,500 | $68.34 | $170,862 | 11,073 (Direct) |
View |
2021-05-20 Sale |
2021-05-21 11:16 am |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
284 | $186.7 | $53,022 | 1,806 (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 |
2025-02-18 Tax Withholding |
2025-02-19 6:29 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
2,372 | $103.67 | 141,299 (Direct) |
View |
2025-02-18 Option Award |
2025-02-19 6:29 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
6,163 | $0 | 141,299 (Direct) |
View |
2025-02-18 Exercise |
2025-02-19 6:29 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
8,014 | $0 | 141,299 (Direct) |
View |
2025-02-10 Option Award |
2025-02-11 6:02 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
1,369 | $0 | 15,137 (Direct) |
View |
2024-02-15 Tax Withholding |
2024-02-16 3:13 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
2,692 | $122.15 | 143,714 (Direct) |
View |
2024-02-15 Option Award |
2024-02-16 3:13 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
3,835 | $0 | 143,714 (Direct) |
View |
2024-02-15 Exercise |
2024-02-16 3:13 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
8,022 | $0 | 143,714 (Direct) |
View |
2024-02-05 Option Award |
2024-02-06 2:53 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
7,217 | $0 | 17,955 (Direct) |
View |
2023-02-15 Option Award |
2023-02-16 3:06 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
3,739 | $0 | 89,688 (Direct) |
View |
2023-02-15 Tax Withholding |
2023-02-16 3:06 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
1,629 | $100.29 | 89,688 (Direct) |
View |
2023-02-15 Exercise |
2023-02-16 3:06 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
5,539 | $0 | 89,688 (Direct) |
View |
2023-02-08 Option Award |
2023-02-09 3:43 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip EVP, Operations & Corp Mktg |
4,583 | $0 | 12,538 (Direct) |
View |
2022-08-17 Option Award |
2022-08-18 5:29 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Operations & Corp Mktg |
227 | $0 | 7,955 (Direct) |
View |
2022-04-29 Option Award |
2022-05-02 4:32 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
3,071 | $0 | 7,728 (Direct) |
View |
2022-04-18 Exercise |
2022-04-19 3:37 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
479 | $0 | 8,993 (Direct) |
View |
2022-04-18 Tax Withholding |
2022-04-19 3:37 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
162 | $114.99 | 8,993 (Direct) |
View |
2022-02-15 Tax Withholding |
2022-02-16 4:48 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
856 | $152.55 | 21,749 (Direct) |
View |
2022-02-15 Exercise |
2022-02-16 4:48 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
2,912 | $0 | 21,749 (Direct) |
View |
2022-01-21 Option Award |
2022-01-24 4:40 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
3,484 | $0 | 8,049 (Direct) |
View |
2021-04-15 Tax Withholding |
2021-04-16 4:33 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
141 | $188.26 | 6,654 (Direct) |
View |
2021-04-15 Exercise |
2021-04-16 4:33 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
479 | $0 | 6,654 (Direct) |
View |
2021-04-13 Tax Withholding |
2021-04-14 5:24 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
105 | $186.52 | 6,795 (Direct) |
View |
2021-04-13 Exercise |
2021-04-14 5:24 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
356 | $0 | 6,795 (Direct) |
View |
2021-02-16 Option Award |
2021-02-17 7:05 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
1,742 | $0 | 13,470 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-17 7:05 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
344 | $172.2 | 13,470 (Direct) |
View |
2021-02-16 Exercise |
2021-02-17 7:05 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
1,170 | $0 | 13,470 (Direct) |
View |
Ownership |
2021-02-09 2:00 pm |
N/A N/A |
MKS INSTRUMENTS INC | MKSI | Henry David Philip SVP, Corp Mkt, PMO & Glob Svc |
0 | $0 | 5,502 (Direct) |
View |