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MKS INC Director's Dealing 2024

Aug 20, 2024

30723_dirs_2024-08-20_3dc72fa8-fc41-4410-80f8-2e9b620300ce.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MKS INSTRUMENTS INC (MKSI)
CIK: 0001049502
Period of Report: 2024-08-19

Reporting Person: Schreiner James Alan (EVP & COO, MSD)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2024-08-19 Common Stock M 3961 Acquired 20577.703 Direct
2024-08-19 Common Stock F 1873 $119.09 Disposed 18704.703 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2024-08-19 Restricted Stock Unit $ M 3961 Disposed Common Stock (3961) Direct

Footnotes

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.