Lee John Tseng-Chung

MKS Instruments Inc · President & CEO

Lee John Tseng-Chung is listed in public filings as director, officer: President & CEO. This Lee John Tseng-Chung insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include MKS Instruments Inc (MKSI), and Cognex Corporation (CGNX). Investors use Lee John Tseng-Chung's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

History Trades

CompanyValueActionPriceCurrent Price
MKS Instruments IncMKSI$491k1.9k sharesSellFeb 20, 2026$259.70--
MKS Instruments IncMKSI$513k2k sharesSellFeb 20, 2026$257.81--
MKS Instruments IncMKSI$3.3M12.8k sharesSellFeb 20, 2026$256.93--
MKS Instruments IncMKSI$3.4M13.3k sharesSellFeb 20, 2026$256.05--
Lee John Tseng-Chung History Trades | TradingNote