COLELLA GERALD G sold MKSI
May 27, 2026 · Form 4 insider transaction
COLELLA GERALD G sold 8,210 shares of MKS Inc. at $331.45 per share, a transaction worth $2.72M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
8,210
Price
$331.45
Total value
$2.72M
InsiderCOLELLA GERALD G
Role—
CompanyMKS Inc. (MKSI)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 27, 2026
Filing dateMay 28, 2026
Shares owned after31,343
OwnershipIndirect
10b5-1 planYes
AmendedNo
Footnotes
This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026.; This transaction was executed in multiple trades at prices ranging from $330.95 to $331.90. 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.