Burke Kathleen Flaherty bought MKSI

February 8, 2026 · Form 4 insider transaction

Burke Kathleen Flaherty bought 7,009 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
7,009
Price
N/A
Total value
N/A
Role—
SecurityRestricted Stock Unit
Transaction codeA: Grant or award
Transaction dateFebruary 8, 2026
Filing dateFebruary 9, 2026
Shares owned after24,007
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.

View the original Form 4 on SEC EDGAR