SEC Form 4 insider trading filings tracked in real time from EDGAR

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

DateInsiderTicker / Company TypeSharesValue
Aug 14, 2026 Lee John Tseng-Chung MKSI MKS INC SELL 10,000 $3.0M

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