Trade Summary

Yesterday, Schreiner James Alan, serving as EVP & COO at MKS INC (MKSI), sold 781 shares at $317.42 per share, for a total transaction value of $247,905.02. Following this transaction, Schreiner James Alan now holds 22,701 shares of MKSI.

This sale represents a 3.33% decrease in Schreiner James Alan's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Wednesday, June 10, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, June 11, 2026 at 10:40 AM ET, 1 day after the trade was made.

MKS INC operates in the TECHNOLOGY sector, specifically within the SCIENTIFIC & TECHNICAL INSTRUMENTS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.