John Edward Williams - May 12, 2024 Form 3 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
EVP & GM, PSD
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Stock symbol
MKSI
Transactions as of
May 12, 2024
Transactions value $
$0
Form type
3
Date filed
5/15/2024, 03:58 PM
Next filing
May 16, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MKSI Common Stock 1.17K May 12, 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
holding MKSI Restricted Stock Unit May 12, 2024 Common Stock 915 Direct F1, F2
holding MKSI Restricted Stock Unit May 12, 2024 Common Stock 658 Direct F2, F3
holding MKSI Restricted Stock Unit May 12, 2024 Common Stock 1.89K Direct F2, F4
holding MKSI Restricted Stock Unit May 12, 2024 Common Stock 3.48K Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These restricted stock units (RSUs) were subject to performance criteria, the achievement of which was determined on February 8, 2023, and will vest on February 18, 2025.
F2 Each RSU represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
F3 These RSUs vest on February 18, 2025.
F4 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.
F5 These RSUs vest in two equal annual installments commencing on April 17, 2025, provided that if, in any vesting year, April 17th is not a business day, such vesting shall occur on the next business day.

Remarks:

Exhibit 24 - Power of Attorney