4processed

Form 4 — Insider Transaction

MKS INC(MKSI)

Filing Date

May 26, 2026

Accepted

May 26, 2026

Accession No.

0001049502-26-000092

CIK

0001049502

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Henry David PhilipEVP, Global Str Mktg & GM, MSDOther2.5K$330.516.3KCommon StockMay 26, 2026