OpenERISA

Alexion Pharmaceuticals, INC.

Boston, MA, 02210

EIN 85-4136092
Plans
6
Total participants
24,427
Filing years
2024, 2023, 2022, 2021
NAICS
541700
Plan sponsors in MassachusettsProfessional, Scientific & Technical Services

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500515Alexion Pharmaceuticals, INC. Severance Plan2,727
2023Form 5500001Alexion 401(K) Plan0
2023Form 5500501The Alexion Pharmaceuticals, INC. Flexible Spending Accounts0
2023Form 5500501The Alexion Pharmaceuticals, INC. Flexible Spending Accounts737
2023Form 5500502The Alexion Pharmaceuticals, INC. Group Insurance Plan0
2023Form 5500515Alexion Pharmaceuticals, INC. Severance Plan2,712
2022Form 5500001Alexion 401(K) Plan2,509
2022Form 5500501The Alexion Pharmaceuticals, INC. Flexible Spending Accounts711
2022Form 5500502The Alexion Pharmaceuticals, INC. Group Insurance Plan2,523
2022Form 5500503Alexion Pharmaceuticals, INC. Severance Plan0
2022Form 5500510Alexion Pharmaceuticals, INC. Business Travel Accident Plan0
2022Form 5500515Alexion Pharmaceuticals, INC. Severance Plan2,523
2021Form 5500001Alexion 401(K) Plan2,372
2021Form 5500501The Alexion Pharmaceuticals, INC. Flexible Spending Accounts676
2021Form 5500502The Alexion Pharmaceuticals, INC. Group Insurance Plan2,363
2021Form 5500503Alexion Pharmaceuticals, INC. Severance Plan2,211
2021Form 5500510Alexion Pharmaceuticals, INC. Business Travel Accident Plan2,363

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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