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MKS INC — Director's Dealing 2025
Apr 18, 2025
30723_dirs_2025-04-18_5e6062a6-5b1e-43e3-8ecc-53948dcef52c.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: 2025-04-17
Reporting Person: Williams John Edward (EVP & GM, PSD)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-04-17 | Common Stock | M | 1740 | — | Acquired | 3565.814 | Direct |
| 2025-04-17 | Common Stock | F | 565 | $63.69 | Disposed | 3000.814 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-04-17 | Restricted Stock Unit | $ | M | 1740 | Disposed | Common Stock (1740) | 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 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.