---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-25-000051"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2025-04-28T23:59:59+00:00"
generated_at: "2026-05-23T05:28:01.369035+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# First Interstate selling 12 branches to Enterprise Bank & Trust for ~$740M deposits, ~$200M loans

## Summary
- Enterprise Bank & Trust will acquire 12 branches (10 AZ, 2 KS) from First Interstate Bank.
- Transaction includes $740M in deposits and $200M in loans, plus branch facilities and assets.
- Closing expected by early Q4 2025, subject to regulatory approvals and customary conditions.
- Enterprise pro forma: AZ deposits ~$1.3B (12 branches); Kansas City ~$1.1B (9 branches).
- First Interstate says deal provides opportunity to shift capital and drive growth in higher-market-share areas.

## SEC filing metadata
- accession: 0000860413-25-000051
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2025-04-28T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000051/0000860413-25-000051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041325000051/fibk-20250428.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-25-000051
- JSON: https://secwatch.observer/filing/0000860413-25-000051.json
- Plain text: https://secwatch.observer/filing/0000860413-25-000051.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.