---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-23-000182"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2023-10-25T23:59:59+00:00"
generated_at: "2026-06-09T12:39:49.272253+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# First Interstate Q3 net income $72.7M ($0.70 EPS); deposits rise, margin narrows

## Summary
- Net income $72.7M ($0.70 EPS) vs $67.0M ($0.65 EPS) Q2 2023 and $85.7M ($0.80 EPS) Q3 2022.
- Total deposits grew $100.3M to $23.68B; net interest margin 3.05% (down 4 bps QoQ).
- Asset quality improved: net charge-offs $1.1M (0.02% annualized) vs $11.4M prior quarter.
- CET1 ratio improved to 11.02% (up 26 bps); tangible book value $17.82 per share.
- Board declared $0.47/share dividend payable Nov 16, 2023 to holders of record Nov 6.

## SEC filing metadata
- accession: 0000860413-23-000182
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2023-10-25T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041323000182/0000860413-23-000182-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041323000182/fibk-20231025.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-23-000182
- JSON: https://secwatch.observer/filing/0000860413-23-000182.json
- Plain text: https://secwatch.observer/filing/0000860413-23-000182.txt

## Key facts
- Earnings Releases
  FIRST INTERSTATE BANCSYSTEM INC reported the quarter ended September 30, 2023 results: net income $72.7 million, or $0.70 per share, EPS $0.70 per share.
  - Period: the quarter ended September 30, 2023
  - Net income: $72.7 million, or $0.70 per share
  - EPS: $0.70 per share
  - Result: reported results
  source text: For the quarter, the Company reported net income of $72.7 million, or $0.70 per share, which compares to net income of $67.0 million, or $0.65 per share, for the second quarter of 2023, and net income of $85.7 million, or $0.80 per share, for the third quarter of 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/860413/000086041323000182/0000860413-23-000182-index.htm

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