OpenERISA

Seres Therapeutics, INC.

Cambridge, MA, 02140

EIN 27-4326290
Plans
2
Total participants
2,723
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
517000

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Seres Therapeutics, INC. 401(K) Plan106
2024Form 5500501Seres Therapeutics, INC. Welfare Benefit Plan104
2023Form 5500001Seres Therapeutics, INC. 401(K) Plan244
2023Form 5500501Seres Therapeutics, INC. Welfare Benefit Plan399
2022Form 5500001Seres Therapeutics, INC. 401(K) Plan419
2022Form 5500501Seres Therapeutics, INC. Welfare Benefit Plan422
2021Form 5500001Seres Therapeutics, INC. 401(K) Plan332
2021Form 5500501Seres Therapeutics, INC. Welfare Benefit Plan402
2020Form 5500001Seres Therapeutics, INC. 401(K) Plan160
2020Form 5500501Seres Therapeutics, INC. Welfare Benefit Plan135

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.

Other plan sponsors in Massachusetts

All Massachusetts plan sponsors →