Williams John Edward sold MKSI
February 20, 2026 · Form 4 insider transaction
Williams John Edward sold 2,043 shares of MKS Inc. at $256.41 per share, a transaction worth $523.7K. 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
2,043
Price
$256.41
Total value
$523.7K
InsiderWilliams John Edward
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateFebruary 20, 2026
Filing dateFebruary 23, 2026
Shares owned after3,640
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This transaction was executed in multiple trades at prices ranging from $256.3902 to $257.150. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.