The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Schreiner James Alan since 2020.
This trader's CIK number is 1797189.
At the time of last reporting, Schreiner James Alan was the EVP & COO 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 | 957 | $98,035 | 10,980 | $0 |
| 2024 | MKSI | 0 | $0 | 0 | $0 | 12,617 | $0 |
| 2023 | MKSI | 0 | $0 | 0 | $0 | 6,457 | $0 |
| 2022 | MKSI | 0 | $0 | 0 | $0 | 5,089 | $0 |
| 2021 | MKSI | 0 | $0 | 0 | $0 | 3,130 | $0 |
| 2020 | MKSI | 0 | $0 | 0 | $0 | 1,433 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-18 | MKSI | Option Ex | 2,640 | .00 | 0 |
| 2025-07-07 | MKSI | Sale | 957 | 102.44 | 98,035 |
| 2025-02-18 | MKSI | Option Ex | 8,340 | .00 | 0 |
| 2024-08-19 | MKSI | Option Ex | 3,961 | .00 | 0 |
| 2024-02-15 | MKSI | Option Ex | 8,656 | .00 | 0 |
| 2023-02-15 | MKSI | Option Ex | 6,457 | .00 | 0 |
| 2022-09-16 | MKSI | Option Ex | 1,434 | .00 | 0 |
| 2022-02-15 | MKSI | Option Ex | 3,655 | .00 | 0 |
| 2021-09-16 | MKSI | Option Ex | 1,434 | .00 | 0 |
| 2021-02-16 | MKSI | Option Ex | 1,696 | .00 | 0 |
| 2020-09-16 | MKSI | Option Ex | 1,433 | .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 Schreiner James Alan (EVP & COO of Mks Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.