Ramakumar Mayampurath, EVP & CFO at MKS INC (MKSI), sold 8,810 shares at $315.48 ($2.8M) on 2026-05-22, disclosed to the SEC on 2026-05-26.
Scheduled sale ($2.8M) by EVP & CFO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.