James Alan Schreiner - May 15, 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
EVP & COO, MSD
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Stock symbol
MKSI
Transactions as of
May 15, 2024
Transactions value $
$0
Form type
4
Date filed
5/16/2024, 03:27 PM
Previous filing
Feb 16, 2024

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MKSI Restricted Stock Unit Award +6.6K +46.4% 20.8K May 15, 2024 Common Stock 6.6K Direct F1, F2

Explanation of Responses:

Id Content
F1 Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
F2 These RSUs shall vest in two installments, 60% of which shall vest on August 17, 2024 and 40% of which shall vest on August 17, 2025; provided that if, in any vesting year, August 17th is not a business day, such vesting shall occur on the next business day.