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MKS INC — Director's Dealing 2025
Feb 19, 2025
30723_dirs_2025-02-19_25d355bc-8998-464a-93d4-d73a5dcf0025.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: 2025-02-18
Reporting Person: Williams John Edward (EVP & GM, PSD)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-02-18 | Common Stock | M | 914.903 | — | Acquired | 927.903 | Direct |
| 2025-02-18 | Common Stock | M | 658.031 | — | Acquired | 1585.934 | Direct |
| 2025-02-18 | Common Stock | M | 299.88 | — | Acquired | 1885.814 | Direct |
| 2025-02-18 | Common Stock | M | 841 | — | Acquired | 2726.814 | Direct |
| 2025-02-18 | Common Stock | F | 901 | $103.67 | Disposed | 1825.814 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-02-18 | Restricted Stock Unit | $ | A | 3318.479 | Acquired | Common Stock (3318.479) | Direct | |
| 2025-02-18 | Restricted Stock Unit | $ | M | 914.903 | Disposed | Common Stock (914.903) | Direct | |
| 2025-02-18 | Restricted Stock Unit | $ | M | 658.031 | Disposed | Common Stock (658.031) | Direct | |
| 2025-02-18 | Restricted Stock Unit | $ | M | 299.88 | Disposed | Common Stock (299.88) | Direct | |
| 2025-02-18 | Restricted Stock Unit | $ | M | 841 | Disposed | Common Stock (841) | 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 February 15, 2026, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F4: These RSUs were subject to performance criteria, the achievement of which was determined on February 8, 2023, and thereafter vest in three equal annual installments beginning on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F5: These RSUs vest in three equal annual installments commencing on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F6: These RSUs were subject to performance criteria, the achievement of which was determined on February 10, 2025, and thereafter vest in three equal annual installments beginning on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F7: These RSUs vest in three equal annual installments commencing on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.