The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Henry David Philip since 2021.
This trader's CIK number is 1842459.
At the time of last reporting, Henry David Philip was the EVP, Operations & Corp Mktg of Mks Inc. (stock ticker symbol MKSI).
Also see all insider trading activities at Mks Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MKSI | 0 | $0 | 2,000 | $210,000 | 8,013 | $0 |
| 2024 | MKSI | 0 | $0 | 0 | $0 | 8,022 | $0 |
| 2023 | MKSI | 2,500 | $170,862 | 0 | $0 | 5,538 | $0 |
| 2022 | MKSI | 0 | $0 | 0 | $0 | 3,391 | $0 |
| 2021 | MKSI | 0 | $0 | 284 | $53,022 | 2,005 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-07-03 | MKSI | Sale | 2,000 | 105.00 | 210,000 |
| 2025-02-18 | MKSI | Option Ex | 8,013 | .00 | 0 |
| 2024-02-15 | MKSI | Option Ex | 8,022 | .00 | 0 |
| 2023-11-07 | MKSI | Buy | 2,500 | 68.34 | 170,862 |
| 2023-02-15 | MKSI | Option Ex | 5,538 | .00 | 0 |
| 2022-04-18 | MKSI | Option Ex | 479 | .00 | 0 |
| 2022-02-15 | MKSI | Option Ex | 2,912 | .00 | 0 |
| 2021-05-20 | MKSI | Sale | 284 | 186.70 | 53,022 |
| 2021-04-15 | MKSI | Option Ex | 479 | .00 | 0 |
| 2021-04-13 | MKSI | Option Ex | 356 | .00 | 0 |
| 2021-02-16 | MKSI | Option Ex | 1,170 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Henry David Philip (EVP, Operations & Corp Mktg of Mks Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.