Schreiner James Alan - Insider Non-Derivative Transactions at MKS INSTRUMENTS INC (MKSI) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Oct 22, 2025, Schreiner James Alan's relationship to MKS INSTRUMENTS INC (MKSI) is Officer (EVP & COO), and currently has 22,534.69 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MKSI insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Schreiner James Alan - Insider Non-Derivative Transactions of MKSI Common Stock
Schreiner James Alan - Insider Non-Derivative Transactions at MKSI
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Oct 23, 2025 | Sell -- (Common Stock) | 711 | 138.68 | 22534.69 |
| Sep 19, 2025 | Sell -- (Common Stock) | 838 | 124 | 23245.69 |
| Aug 19, 2025 | F -- (Common Stock) | 1249 | 100.22 | 24083.69 |
| Aug 19, 2025 | M -- (Common Stock) | 2640.94 | 0 | 25332.69 |
| Jul 8, 2025 | Sell -- (Common Stock) | 957 | 102.44 | 22691.75 |
| Feb 19, 2025 | M -- (Common Stock) | 1630.22 | 0 | 20433.99 |
| Feb 19, 2025 | M -- (Common Stock) | 1172.71 | 0 | 21606.7 |
| Feb 19, 2025 | F -- (Common Stock) | 3648 | 103.67 | 23496.67 |
| Feb 19, 2025 | M -- (Common Stock) | 2566 | 0 | 24172.7 |
| Feb 19, 2025 | M -- (Common Stock) | 1329 | 0 | 25501.7 |
| Feb 19, 2025 | M -- (Common Stock) | 431.97 | 0 | 25933.67 |
| Feb 19, 2025 | M -- (Common Stock) | 1211 | 0 | 27144.67 |
| Aug 20, 2024 | F -- (Common Stock) | 1873 | 119.09 | 18704.7 |
| Aug 20, 2024 | M -- (Common Stock) | 3961 | 0 | 20577.7 |
| Feb 16, 2024 | M -- (Common Stock) | 1306.86 | 0 | 12874.3 |
| Feb 16, 2024 | M -- (Common Stock) | 653.93 | 0 | 13528.23 |
| Feb 16, 2024 | M -- (Common Stock) | 1629 | 0 | 15157.23 |
| Feb 16, 2024 | M -- (Common Stock) | 1173 | 0 | 16330.23 |
| Feb 16, 2024 | F -- (Common Stock) | 3756 | 122.15 | 16468.23 |
| Feb 16, 2024 | M -- (Common Stock) | 2565 | 0 | 18895.23 |
| Feb 16, 2024 | M -- (Common Stock) | 1329 | 0 | 20224.23 |
| Feb 16, 2023 | M -- (Common Stock) | 1001.43 | 0 | 7734.56 |
| Feb 16, 2023 | M -- (Common Stock) | 695.71 | 0 | 8430.27 |
| Feb 16, 2023 | M -- (Common Stock) | 1307 | 0 | 9737.27 |
| Feb 16, 2023 | M -- (Common Stock) | 653 | 0 | 10390.27 |
| Feb 16, 2023 | F -- (Common Stock) | 1899 | 100.29 | 11291.27 |
| Feb 16, 2023 | M -- (Common Stock) | 1629 | 0 | 12019.27 |
| Feb 16, 2023 | M -- (Common Stock) | 1171 | 0 | 13190.27 |
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