---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-065784"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2025-07-03T23:59:59+00:00"
generated_at: "2026-05-18T09:33:25.687454+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# First Interstate to redeem $100M subordinated notes due 2030 on August 15, 2025

## Summary
- Redeeming all $100M of 5.25% Fixed-to-Floating Rate Subordinated Notes due 2030.
- Redemption price is 100% of principal plus accrued unpaid interest to August 15, 2025.
- Interest ceases to accrue on redemption date unless default in payment occurs.
- No notes will remain outstanding following the redemption.

## SEC filing metadata
- accession: 0001104659-25-065784
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2025-07-03T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000110465925065784/0001104659-25-065784-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000110465925065784/tm2519885d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-065784
- JSON: https://secwatch.observer/filing/0001104659-25-065784.json
- Plain text: https://secwatch.observer/filing/0001104659-25-065784.txt

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