John Edward Williams - May 15, 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
EVP & GM, PSD
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, 03:32 PM
Previous filing
May 15, 2024
Next filing
Aug 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 +2.52K +36.34% 9.47K May 15, 2024 Common Stock 2.52K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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 vest in three equal annual installments commencing on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.