OpenERISA

Monolithic Power Systems, INC.

San Jose, CA, 95119

EIN 77-0466789
Plans
2
Total participants
3,482
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
334410
Plan sponsors in CaliforniaManufacturing

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Monolithic Power Systems, INC. 401(K) Savings Plan428
2024Form 5500501Monolithic Power Systems, INC. Health & Welfare Benefit Plan419
2023Form 5500001Monolithic Power Systems, INC. 401(K) Savings Plan406
2023Form 5500501Monolithic Power Systems, INC. Health & Welfare Benefit Plan385
2022Form 5500001Monolithic Power Systems, INC. 401(K) Savings Plan350
2022Form 5500501Monolithic Power Systems, INC. Health & Welfare Benefit Plan349
2021Form 5500001Monolithic Power Systems, INC. 401(K) Savings Plan306
2021Form 5500501Monolithic Power Systems, INC. Health & Welfare Benefit Plan302
2020Form 5500001Monolithic Power Systems, INC. 401(K) Savings Plan244
2020Form 5500501Monolithic Power Systems, INC. Health & Welfare Benefit Plan293

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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