Burke Kathleen Flaherty sold MKSI
February 20, 2026 · Form 4 insider transaction
Burke Kathleen Flaherty sold 4,254 shares of MKS Inc. at $250.00 per share, a transaction worth $1.06M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Disposed (sell-side)
Shares
4,254
Price
$250.00
Total value
$1.06M
InsiderBurke Kathleen Flaherty
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateFebruary 20, 2026
Filing dateFebruary 23, 2026
Shares owned after53,794
OwnershipDirect
10b5-1 planNo
AmendedNo