Seth H. Bagshaw - 01 Dec 2023 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
EVP, CFO & Treasurer
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Issuer symbol
MKSI
Transactions as of
01 Dec 2023
Net transactions value
-$58,849
Form type
4
Filing time
05 Dec 2023, 14:40:05 UTC
Previous filing
07 Sep 2023
Next filing
06 Feb 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Options Exercise +349 +1.7% 21,022 01 Dec 2023 Direct F1
transaction MKSI Common Stock Options Exercise +350 +1.7% 21,372 01 Dec 2023 Direct F1
transaction MKSI Common Stock Tax liability $58,849 -699 -3.3% $84.19 20,673 01 Dec 2023 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 -349 -1.3% 27,012 01 Dec 2023 Common Stock 349 Direct F1, F3
transaction MKSI Restricted Stock Unit Options Exercise -350 -1.3% 26,662 01 Dec 2023 Common Stock 350 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 (RSU) 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 2022 RSU Award accelerated to satisfy FICA taxes.
F4 Portion of 2023 RSU Award accelerated to satisfy FICA taxes.