Henry David Philip bought MKSI
February 8, 2026 · Form 4 insider transaction
Henry David Philip bought 5,521.949 shares of MKS Inc., a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
5,521.949
Price
N/A
Total value
N/A
InsiderHenry David Philip
Role—
CompanyMKS Inc. (MKSI)
SecurityRestricted Stock Unit
Transaction codeA: Grant or award
Transaction dateFebruary 8, 2026
Filing dateFebruary 9, 2026
Shares owned after18,808
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Inc.; These RSUs were subject to performance criteria, the achievement of which was determined on February 8, 2026, and thereafter vest in three equal annual installments beginning on February 15, 2026, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.