Seth H. Bagshaw - Jan 21, 2022 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
Sr. VP, CFO & Treasurer
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Stock symbol
MKSI
Transactions as of
Jan 21, 2022
Transactions value $
$0
Form type
4
Date filed
1/24/2022, 03:31 PM
Previous filing
Dec 6, 2021
Next filing
Feb 16, 2022

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 +11.7K +43.91% 38.2K Jan 21, 2022 Common Stock 11.7K 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 were subject to performance criteria, achievement of which was determined on January 21, 2022 and thereafter vest in three equal annual installments beginning on February 15, 2022, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.