Lee John Tseng-Chung sold MKSI

October 31, 2025 · Form 4 insider transaction

Lee John Tseng-Chung sold 2,003 shares of MKS Inc. at $143.71 per share, a transaction worth $287.9K. 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
2,003
Price
$143.71
Total value
$287.9K
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateOctober 31, 2025
Filing dateNovember 4, 2025
Shares owned after147,270
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Shares used to satisfy FICA taxes.

View the original Form 4 on SEC EDGAR