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Insider Trading & Ownership of John Tseng-Chung Lee

Location
Andover, MA
Summary
The estimated net worth of John Tseng-Chung Lee is at least $30,906,411 dollars as of 04 Nov 2025. John Tseng-Chung Lee is the President & CEO, Director of MKS INC and owns shares of MKS INSTRUMENTS INC (MKSI) stock worth about $30.59M. John Tseng-Chung Lee is the Director of COGNEX CORP and owns shares of COGNEX CORP (CGNX) stock worth about $318.5K.
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
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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 $30,587,890 31 Oct 2025
CGNX COGNEX CORP Director $318,521 09 May 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.