Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001414656

John Tseng-Chung Lee

26 transactions in 2 companies, from February 8, 2026 to August 14, 2026.

Transactions
262 companies
Bought · P
$0open market
Sold · S
$13.9Mopen market
Net
−$13.9Mnet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
MKS INCMKSI21—$13.9M
COGNEX CORPCGNX5——

All transactions

26 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
MKS INCMKSIJohn Tseng-Chung LeeCEOAug 14SPLAN10,000$302.01$3.0M
MKS INCMKSIJohn Tseng-Chung LeeCEOMay 22SPLAN10,000$315.48$3.2M
COGNEX CORPCGNXJohn Tseng-Chung LeeDirDERIVFeb 21M2,913$0.00—?
COGNEX CORPCGNXJohn Tseng-Chung LeeDirFeb 21M2,913$0.00—
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 20S1,890$259.70$491K
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 20S1,988$257.81$513K
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 20S12,812$256.93$3.3M
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 20S13,310$256.05$3.4M
COGNEX CORPCGNXJohn Tseng-Chung LeeDirDERIVFeb 17A4,817$0.00—?
COGNEX CORPCGNXJohn Tseng-Chung LeeDirDERIVFeb 18M8,324$0.00—?
COGNEX CORPCGNXJohn Tseng-Chung LeeDirFeb 18M8,324$0.00—
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M12,091——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M16,989——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M7,208——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M3,859——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M7,654——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17M22,088——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 17A15,593——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17F32,548$260.74$8.5M
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M12,091——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M16,989——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M7,208——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M3,859——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M7,654——
MKS INCMKSIJohn Tseng-Chung LeeCEOFeb 17M22,088——
MKS INCMKSIJohn Tseng-Chung LeeCEODERIVFeb 8A50,972——