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MKS INC Director's Dealing 2023

Apr 19, 2023

30723_dirs_2023-04-19_2c625c7f-9703-4e68-bf39-8781e4368a1c.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: 2023-04-17

Reporting Person: Gitin Mark Milton (EVP & GM, PSD)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2023-04-17 Common Stock M 1797.417 Acquired 12190.467 Direct
2023-04-17 Common Stock F 622 $82.38 Disposed 11568.467 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2023-04-17 Restricted Stock Unit $ M 1797.417 Disposed Common Stock (1797.417) 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 vest in three equal annual installments commencing on April 17, 2021, provided that if, in any vesting year, April 17th is not a business day, such vesting shall occur on the next business day.