Lee John Tseng-Chung sold MKSI
October 30, 2026 · Form 4 insider transaction
Lee John Tseng-Chung sold 2,157.445 shares of MKS Inc. at $202.04 per share, a transaction worth $435.9K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
2,157.445
Price
$202.04
Total value
$435.9K
InsiderLee John Tseng-Chung
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateOctober 30, 2026
Filing dateNovember 3, 2026
Shares owned after134,776
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares used to satisfy FICA taxes.