James Alan Schreiner - 19 Aug 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Signature
/s/ Kathleen F. Burke, attorney-in-fact
Issuer symbol
MKSI
Transactions as of
19 Aug 2024
Net transactions value
-$223,056
Form type
4
Filing time
20 Aug 2024, 13:45:21 UTC
Previous filing
16 May 2024
Next filing
11 Feb 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Options Exercise +3,961 +24% 20,578 19 Aug 2024 Direct F1
transaction MKSI Common Stock Tax liability $223,056 -1,873 -9.1% $119.09 18,705 19 Aug 2024 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 -3,961 -19% 16,869 19 Aug 2024 Common Stock 3,961 Direct F1, F3
* 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 shares were withheld by MKS Instruments, Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.
F3 These RSUs shall vest in two installments, 60% of which shall vest on August 17, 2024 and 40% of which shall vest on August 17, 2025; provided that if, in any vesting year, August 17th is not a business day, such vesting shall occur on the next business day.