---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-25-000160"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:48:11.281970+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# First Interstate Q3 net income $71.4M, EPS $0.69; NIM expands to 3.34%

## Summary
- Net income $71.4M ($0.69 diluted EPS) vs $55.5M Q3 2024; flat sequentially.
- Net interest margin 3.34%, up 4 bps QoQ and 33 bps YoY; adjusted NIM 3.30%.
- Zero provision for credit losses in Q3; net charge-offs $2.3M (0.06% annualized).
- Total deposits down $25.6M from Q2 2025; repurchased ~$57.2M in stock through Oct 28.
- Dividend declared $0.47 per share payable Nov 20, 2025, unchanged from prior quarter.

## SEC filing metadata
- accession: 0000860413-25-000160
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000160/0000860413-25-000160-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041325000160/fibk-20251029.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-25-000160
- JSON: https://secwatch.observer/filing/0000860413-25-000160.json
- Plain text: https://secwatch.observer/filing/0000860413-25-000160.txt

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