---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-24-000256"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2024-10-24T23:59:59+00:00"
generated_at: "2026-05-30T10:48:54.078931+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Columbia Banking Q3 net income $146M, EPS $0.70; announces $70M net cost savings

## Summary
- Q3 2024 GAAP net income $146M ($0.70 diluted EPS); operating net income $143M ($0.69).
- YTD 2024 GAAP net income $390M ($1.87 EPS); operating net income $418M ($2.00).
- Completed cost review; identified $82M gross savings ($70M net). Q4 2024 core expense run rate expected $965M–$985M annualized.
- Q3 net charge-offs 0.32% annualized; provision $28.8M. ACL $438M (1.17% of loans) plus $65M credit discount.
- Total risk-based capital ratio 12.5%, CET1 10.3% as of Sep 30, 2024.

## SEC filing metadata
- accession: 0000887343-24-000256
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2024-10-24T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/0000887343-24-000256-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb-20241024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-24-000256
- JSON: https://secwatch.observer/filing/0000887343-24-000256.json
- Plain text: https://secwatch.observer/filing/0000887343-24-000256.txt

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