• Eric Robert Taranto, EVP and GM, VSD, sold 2,848 MKS common shares on May 11 at weighted average price USD 319.93.
• Directly held stake fell to 12,596 shares following transaction.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. MKS Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001049502-26-000080), on May 12, 2026, and is solely responsible for the information contained therein.