OpenERISA

Mks Instruments, INC.

Andover, MA, 01810

EIN 04-2277512
Plans
2
Total participants
27,807
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
334110
Plan sponsors in MassachusettsManufacturing

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Mks Instruments, INC. Profit Sharing & 401(K) Plan2,905
2024Form 5500525The Mks Instruments, INC. Welfare Benefits Plan2,813
2023Form 5500001Mks Instruments, INC. Profit Sharing & 401(K) Plan2,770
2023Form 5500525The Mks Instruments, INC. Welfare Benefits Plan2,766
2022Form 5500001Mks Instruments, INC. Profit Sharing & 401(K) Plan2,991
2022Form 5500525The Mks Instruments, INC. Welfare Benefits Plan2,988
2021Form 5500001Mks Instruments, INC. Profit Sharing & 401(K) Plan2,719
2021Form 5500525The Mks Instruments, INC. Welfare Benefits Plan2,723
2020Form 5500001Mks Instruments, INC. Profit Sharing & 401(K) Plan2,572
2020Form 5500525The Mks Instruments, INC. Welfare Benefits Plan2,560

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

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