OpenERISA

X4 Pharmaceuticals INC.

Boston, MA, 02134

EIN 27-3181608
Plans
1
Total participants
400
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
325410

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001X4 Pharmaceuticals INC. 401(K) Plan135
2023Form 5500-SF001X4 Pharmaceuticals INC. 401(K) Plan80
2022Form 5500-SF001X4 Pharmaceuticals INC. 401(K) Plan61
2021Form 5500-SF001X4 Pharmaceuticals INC. 401(K) Plan68
2020Form 5500-SF001X4 Pharmaceuticals INC. 401(K) Plan56

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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