James Alan Schreiner

MKS COO James Schreiner sells 3,500 shares for $1,210,370.07; holds 19,201 shares post-sale.

James Alan Schreiner, EVP & COO of MKS INC, executed 3 separate sales on 2026-06-12 totaling 3,500 shares for $1,210,370.07 at a blended average price of $345.82, reducing his holdings by 15.4% from 22,701 to 19,201 shares. The stock has since appreciated 20.8% over 30 days and 57.0% over 90 days, and currently trades at $366.31, near its 52-week high of $379.99. His prior sale at this ticker on 2026-02-24 was poorly timed (posting a +25.7% 90-day return), establishing no pattern of well-timed exits at MKSI. The company shows solid fundamentals with $1.1B quarterly revenue growing 9.6% year-over-year and $84.0M net income, though the elevated 75.68 P/E reflects optimistic market expectations. The magnitude and timing of this multi-transaction sale merit monitoring against the company's operational trajectory and the insider's subsequent trading activity.

EVP & COO Schreiner sells 4,100 MKSI shares at $255.00 (−14.9% of holdings); stock up 17.0% in 30 days, 68.3% in 90 days.

Schreiner sold 4,100 shares at $255.00 on 2026-02-24, reducing holdings from 27,501 to 23,401 shares. The sale occurred against a backdrop of strong recent momentum: the stock has gained 17.0% over 30 days and 68.3% over 90 days, trading at $255.91 (near its 52-week high of $262.94). While the transaction represents a modest reduction (−14.9% of pre-transaction holdings), the timing aligns with elevated valuation metrics: the stock trades at a P/E of 44.82 on $988.0M quarterly revenue and net income of $74.0M. The executive retained 23,401 shares post-transaction, maintaining a meaningful stake in the company.