Seth H. Bagshaw - Dec 3, 2021 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
Dec 3, 2021
Transactions value $
-$81,011
Form type
4
Date filed
12/6/2021, 06:24 PM
Previous filing
Oct 29, 2021
Next filing
Jan 24, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Options Exercise +325 +1.48% 22.3K Dec 3, 2021 Direct F1
transaction MKSI Common Stock Options Exercise +194 +0.87% 22.5K Dec 3, 2021 Direct F1
transaction MKSI Common Stock Tax liability -$81K -519 -2.31% $156.09 22K Dec 3, 2021 Direct F2

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 Options Exercise -325 -1.2% 26.7K Dec 3, 2021 Common Stock 325 Direct F1, F3
transaction MKSI Restricted Stock Unit Options Exercise -194 -0.73% 26.6K Dec 3, 2021 Common Stock 194 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
F2 Shares used to satisfy FICA taxes.
F3 Portion of 2020 RSU Award accelerated to satisfy FICA taxes.
F4 Portion of 2021 RSU Award accelerated to satisfy FICA taxes.