OpenERISA

First Interstate Bancsystem, INC.

Billings, MT, 591160918

EIN 81-0331430
Plans
3
Total participants
30,803
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
551111
Plan sponsors in MontanaManagement of Companies & Enterprises

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500003First Interstate Bancsystem, INC. 401(K) Plan3,478
2024Form 5500501First Interstate Bancsystem INC Group Health Benefit Plan2,945
2024Form 5500502First Interstate Bancsystem INC Flex Benefits Plan0
2023Form 5500003First Interstate Bancsystem, INC. 401(K) Plan3,530
2023Form 5500501First Interstate Bancsystem INC Group Health Benefit Plan3,230
2023Form 5500502First Interstate Bancsystem INC Flex Benefits Plan336
2022Form 5500003First Interstate Bancsystem, INC. 401(K) Plan3,750
2022Form 5500501First Interstate Bancsystem INC Group Health Benefit Plan3,149
2022Form 5500502First Interstate Bancsystem INC Flex Benefits Plan694
2021Form 5500003First Interstate Bancsystem, INC. 401(K) Plan2,313
2021Form 5500501First Interstate Bancsystem INC Group Health Benefit Plan1,999
2021Form 5500502First Interstate Bancsystem INC Flex Benefits Plan187
2020Form 5500003First Interstate Bancsystem, INC. 401(K) Plan2,449
2020Form 5500501First Interstate Bancsystem INC Group Health Benefit Plan2,239
2020Form 5500502First Interstate Bancsystem INC Flex Benefits Plan504

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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