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MKSI filings

Corporate insider profile

John Tseng-Chung Lee Filing Activity

Latest reported as President & CEO of MKS INC (MKSI).

Purchase filings
0
Reported companies
1
Net open-market value
-$6,174,900.00
Latest transaction
Aug 14, 2026

Affiliated corporations

Reported company relationships

MKSILatest reported

MKS INC

President & CEO

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Aug 14, 2026MKS INC (MKSI)President & CEOSale10,000$302.01$3,020,100
May 22, 2026MKS INC (MKSI)President & CEOSale10,000$315.48$3,154,800