OpenERISA

Annexon, INC.

Brisbane, CA, 94005

EIN 27-5414423
Plans
1
Total participants
250
Filing years
2024, 2023, 2022
NAICS
541700
Plan sponsors in CaliforniaProfessional, Scientific & Technical Services

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Annexon Biosciences 401(K) Retirement Plan99
2023Form 5500001Annexon Biosciences 401(K) Retirement Plan70
2022Form 5500001Annexon Biosciences 401(K) Retirement Plan81

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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