Trade Summary

5 days ago, McCarthy Michelle M, serving as SVP & Chief Accounting Officer at MKS INC (MKSI), sold 2,434 shares at $315.23 per share, for a total transaction value of $767,269.82. Following this transaction, McCarthy Michelle M now holds 2 shares of MKSI.

This sale represents a 99.94% decrease in McCarthy Michelle M'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 5, 2026 and publicly disclosed via SEC Form 4 filing on Monday, June 8, 2026 at 10:53 AM ET, 3 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.