Trade Summary

6 days ago, Schreiner James Alan, serving as EVP & COO at MKS INC (MKSI), sold 3,500 shares at $345.82 per share, for a total transaction value of $1,210,370.07. Following this transaction, Schreiner James Alan now holds 19,201 shares of MKSI.

This sale represents a 15.42% decrease in Schreiner James Alan's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, June 12, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, June 16, 2026 at 5:35 PM ET, 4 days 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.