Schreiner James Alan sold MKSI

June 10, 2026 · Form 4 insider transaction

Schreiner James Alan sold 781 shares of MKS Inc. at $317.42 per share, a transaction worth $247.9K. 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
781
Price
$317.42
Total value
$247.9K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 10, 2026
Filing dateJune 11, 2026
Shares owned after22,701
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2026.

View the original Form 4 on SEC EDGAR