Home/Filings/4/0001127602-25-005655
4//SEC Filing

Williams John Edward 4

Accession 0001127602-25-005655

CIK 0001049502other

Filed

Feb 18, 7:00 PM ET

Accepted

Feb 19, 6:47 PM ET

Size

22.4 KB

Accession

0001127602-25-005655

Insider Transaction Report

Form 4
Period: 2025-02-18
Transactions
  • Exercise/Conversion

    Common Stock

    2025-02-18+914.903927.903 total
  • Exercise/Conversion

    Common Stock

    2025-02-18+658.0311,585.934 total
  • Exercise/Conversion

    Common Stock

    2025-02-18+299.881,885.814 total
  • Exercise/Conversion

    Common Stock

    2025-02-18+8412,726.814 total
  • Tax Payment

    Common Stock

    2025-02-18$103.67/sh901$93,4071,825.814 total
  • Award

    Restricted Stock Unit

    2025-02-18+3,318.47912,744.849 total
    Common Stock (3,318.479 underlying)
  • Exercise/Conversion

    Restricted Stock Unit

    2025-02-18914.90311,829.946 total
    Common Stock (914.903 underlying)
  • Exercise/Conversion

    Restricted Stock Unit

    2025-02-18658.03111,171.915 total
    Common Stock (658.031 underlying)
  • Exercise/Conversion

    Restricted Stock Unit

    2025-02-18299.8810,872.035 total
    Common Stock (299.88 underlying)
  • Exercise/Conversion

    Restricted Stock Unit

    2025-02-1884110,031.035 total
    Common Stock (841 underlying)
Footnotes (7)
  • [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.

Issuer

MKS INSTRUMENTS INC

CIK 0001049502

Entity typeother

Related Parties

1
  • filerCIK 0001710173

Filing Metadata

Form type
4
Filed
Feb 18, 7:00 PM ET
Accepted
Feb 19, 6:47 PM ET
Size
22.4 KB