Donahue Joseph B sold MKSI
May 27, 2026 · Form 4 insider transaction
Donahue Joseph B sold 2,100 shares of MKS Inc. at $327.95 per share, a transaction worth $688.7K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
2,100
Price
$327.95
Total value
$688.7K
InsiderDonahue Joseph B
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 27, 2026
Filing dateMay 28, 2026
Shares owned after10,033
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This transaction was executed in multiple trades at prices ranging from $327.90 to $328.21. 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.