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Lee John Tseng-Chung

President & CEODirectorCIK 0001414656

Largest Purchase

No open-market purchases in the recent filings.

Profile

Filings
6
Buy transactions
0
Sell transactions
5
Companies
2
Active
2025–2026

Lee John Tseng-Chung, President & CEO, Director, accounts for 6 disclosed filings worth $19.6M, spread across 2 companies, active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $10.9M in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.

Trading History

6 loaded
May 26MKSI
MKS INC
Lee John Tseng-ChungPresident & CEO, DirectorSell$3.2M
Feb 24CGNX
COGNEX CORP
Lee John Tseng-ChungDirectorExercise$0
Feb 23MKSI
MKS INC
Lee John Tseng-ChungPresident & CEO, DirectorSell$7.7M
Feb 18MKSI
MKS INC
Lee John Tseng-ChungPresident & CEO, DirectorExercise$8.5M
Feb 9MKSI
MKS INC
Lee John Tseng-ChungPresident & CEO, DirectorAward$0
Nov 4MKSI
MKS INC
Lee John Tseng-ChungPresident & CEO, DirectorExercise$287.9K

6 filings