Michelle M. McCarthy - 15 Apr 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Issuer symbol
MKSI
Transactions as of
15 Apr 2024
Transactions value $
$0
Form type
4
Filing time
16 Apr 2024, 15:40:29 UTC
Previous filing
07 Mar 2024
Next filing
19 Aug 2024

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 +2,905 2,904 15 Apr 2024 Common Stock 2,904 Direct F1, F2
transaction MKSI Restricted Stock Unit Award +3,320 +114% 6,224 15 Apr 2024 Common Stock 3,319 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 three equal annual installments commencing on April 15, 2025, provided that if, in any vesting year, April 15th is not a business day, such vesting shall occur on the next business day.