First Interstate Bancsystem, Inc.
Overview
First Interstate Bancsystem, Inc. sponsors a self-funded health plan that covered 2,945 participants in plan year 2025, down 9% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, death benefits.
- Plan type
- ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
- Participants
- 2,945 · prior year 3,230
- Plan year
- Begins January 1 · next renewal January 2027
- Health plans filed
- First Interstate Bancsystem Inc. Group Health Benefit Plan, plan 501 (2,945 participants)
- Broker compensation
- $251K across insured contracts
Insurance carriers
Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.
| Carrier | Coverage | Covered | Premium | Broker comp |
|---|---|---|---|---|
| Prudential Insurance Company of America | Accident, Basic AD&D, Critical Illness, Life, Hospital Indemnity, Voluntary AD&D | 2,802 | $1.5M | $251K |
| Vision Service Plan | Vision | 2,461 | $510K | — |
Pharmacy benefit estimate
StreamRX estimate for a plan this size. Not based on this plan's claims.
Estimated prescription spend: 2,945 participants × $2,371 national average per member. Usually higher once dependents are counted.
Typical savings opportunity found in independent reviews of plans this size.
Form 5500 filing details
- Filing
- Form 5500 with Schedule A, plan year 2025
- Plan sponsor
- First Interstate Bancsystem, Inc.
- Sponsor EIN
- 81-0331430
- Plan number
- 501
- Filed with
- U.S. Department of Labor (EBSA) via EFAST2
Verify this filing: search EIN 81-0331430 in the Department of Labor's EFAST2 Form 5500 search.
Retirement plan
- Plan
- First Interstate Bancsystem, Inc. 401(k) Plan
- Type
- 401(k) plan
- Participants
- 4,990
About this data
Source: First Interstate Bancsystem, Inc.'s Form 5500 filing for plan year 2025 and its Schedule A insurance reports, published by the U.S. Department of Labor. "Self-funded" means the filing reports benefits paid from employer assets or a trust, with no medical insurance contract or with a stop-loss contract. Pharmacy figures are StreamRX estimates based on national averages. StreamRX is not affiliated with First Interstate Bancsystem, Inc..