Lee John Tseng-Chung — President & CEO
Insider trading activity for Lee John Tseng-Chung sourced from SEC EDGAR Form 4 filings.
Overview
- Title: President & CEO
- Company: MKS INC
- Total insider trades: 1
- Total buy volume: $0
- Total sell volume: $3.0M
- Last trade: Aug 17, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | Lee John Tseng-Chung | MKSI MKS INC | SELL | 10,000 | $3.0M |