OpenERISA

Alpha & Omega Semiconductor, INC.

Sunnyvale, CA, 94085

EIN 77-0553536
Plans
2
Total participants
7,224
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
334410
Plan sponsors in CaliforniaManufacturing

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Alpha & Omega Semiconductor, INC. 401(K) Plan741
2024Form 5500501Alpha & Omega Semiconductor, INC. Welfare Benefit Plan768
2023Form 5500001Alpha & Omega Semiconductor, INC. 401(K) Plan769
2023Form 5500501Alpha & Omega Semiconductor, INC. Welfare Benefit Plan769
2022Form 5500001Alpha & Omega Semiconductor, INC. 401(K) Plan790
2022Form 5500501Alpha & Omega Semiconductor, INC. Welfare Benefit Plan764
2021Form 5500001Alpha & Omega Semiconductor, INC. 401(K) Plan656
2021Form 5500501Alpha & Omega Semiconductor, INC. Welfare Benefit Plan644
2020Form 5500001Alpha & Omega Semiconductor, INC. 401(K) Plan662
2020Form 5500501Alpha & Omega Semiconductor, INC. Welfare Benefit Plan661

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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