John Tseng-Chung Lee - Insider Trading & Ownership

Location
90 Industrial Way, Wilmington, MA
Summary
The estimated net worth of John Tseng-Chung Lee is at least $30.9M dollars as of November 4, 2025. John Tseng-Chung Lee is the President & CEO, Director of MKS INC and owns shares of MKS INSTRUMENTS INC (MKSI) stock worth about $30.6M. John Tseng-Chung Lee is the Director of COGNEX CORP and owns shares of COGNEX CORP (CGNX) stock worth about $319K.
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
All Insider Reports
All Insider Reports

Ownership of John Tseng-Chung Lee

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MKSI MKS INSTRUMENTS INC President & CEO, Director $30.6M Oct 31, 2025
CGNX COGNEX CORP Director $319K May 9, 2025

Insider Transactions Reported by John Tseng-Chung Lee:

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