James Alan Schreiner, EVP & COO at MKS INC (MKSI), sold 4,100 shares at $255.00 ($1.0M) on 2026-02-24, disclosed to the SEC on 2026-02-25.
Seasonal sale ($1.0M) by EVP & COO — this insider has traded MKSI in February in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| MKSI | SELL | 2025-10-23 | $197K | — | Filing → |
| MKSI | SELL | 2025-09-19 | $104K | — | Filing → |
| MKSI | SELL | 2025-07-08 | $196K | — | Filing → |