John Tseng-Chung Lee - President & CEO, Director at MKS INC

Insider Transactions and Holdings

Entity Type
Individual
Role
President & CEO, Director
Issuer Symbol
MKSI on Nasdaq
All Insider Reports
All Insider Reports

There are no Buy or Sell transactions made by John Tseng-Chung Lee since 09 Jan 2025

Holdings reported by John Tseng-Chung Lee for MKS INC

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 147,270 $21,164,103 $143.71 31 Oct 2025 Direct
Restricted Stock Unit 88,153 $9,423,787 $104.53 31 Oct 2025 Direct Common Stock

Transactions reported by John Tseng-Chung Lee for MKS INC

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.