Lee John Tseng-Chung sold MKSI
February 17, 2026 · Form 4 insider transaction
Lee John Tseng-Chung sold 32,548 shares of MKS Inc. at $260.74 per share, a transaction worth $8.49M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
32,548
Price
$260.74
Total value
$8.49M
InsiderLee John Tseng-Chung
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateFebruary 17, 2026
Filing dateFebruary 18, 2026
Shares owned after184,696
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
These shares were withheld by MKS Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.