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

Role
EVP & GM, PSD
Signature
/s/ James Kruger, attorney-in-fact
Stock symbol
MKSI
Transactions as of
Aug 15, 2024
Transactions value $
-$34,970
Form type
4
Date filed
8/16/2024, 11:46 AM
Previous filing
May 16, 2024
Next filing
Aug 19, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Options Exercise +946 +80.58% 2.12K Aug 15, 2024 Direct F1
transaction MKSI Common Stock Tax liability -$35K -307 -14.48% $113.91 1.81K Aug 15, 2024 Direct

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 -946 -9.99% 8.53K Aug 15, 2024 Common Stock 946 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 two equal annual installments commencing on August 15, 2024, provided that if, in any vesting year, August 15th is not a business day, such vesting shall occur on the next business day.