OpenERISA

Prothena Biosciences INC

Brisbane, CA, 94005

EIN 46-1256213
Plans
2
Total participants
878
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
541700

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Prothena Biosciences INC 401(K) Plan150
2024Form 5500501Prothena Biosciences INC Health And Welfare Plan150
2023Form 5500001Prothena Biosciences INC 401(K) Plan162
2023Form 5500501Prothena Biosciences INC Health And Welfare Plan160
2022Form 5500001Prothena Biosciences INC 401(K) Plan115
2021Form 5500001Prothena Biosciences INC 401(K) Plan77
2020Form 5500001Prothena Biosciences INC 401(K) Plan64

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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