Lee John Tseng-Chung disclosed sell in MKS Instruments Inc
Lee John Tseng-Chung sell $3.2M of disclosed value in MKS Instruments Inc.
Signal
Insider Trade
Action
Sell
Capital
$3.2M disclosed value
Why it matters
Insider Form 4 disclosures can surface management and director trading activity. This card is generated from canonical action facts, not request-time scraping.