---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-23-000007"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2023-01-24T23:59:59+00:00"
generated_at: "2026-06-20T11:21:23.066087+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Columbia Banking record Q4 net income $68.9M; NIM expands to 3.64%; declares $0.30 dividend

## Summary
- Record full year net income $250.2M, diluted EPS $3.20.
- Q4 net income $68.9M, diluted EPS $0.88 (incl. $0.05 merger costs).
- Net interest margin 3.64%, up 17 bps from linked quarter; deposits fell $1.23B to $16.71B.
- Expects merger with Umpqua Holdings to close after Feb 28, 2023; NPA ratio 0.07%.
- Declares $0.30/share quarterly dividend payable Feb 21, 2023 to holders of record Feb 6.

## SEC filing metadata
- accession: 0000887343-23-000007
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2023-01-24T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734323000007/0000887343-23-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734323000007/colb-20230124.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-23-000007
- JSON: https://secwatch.observer/filing/0000887343-23-000007.json
- Plain text: https://secwatch.observer/filing/0000887343-23-000007.txt

## Key facts
- Earnings Releases
  COLUMBIA BANKING SYSTEM, INC. reported quarter ended December 31, 2022 results: net income $68.9 million, EPS $0.88 per diluted share.
  - Period: quarter ended December 31, 2022
  - Net income: $68.9 million
  - EPS: $0.88 per diluted share
  - Result: reported results
  source text: announced record earnings for the fourth quarter of $68.9 million and diluted earnings per share of $0.88.
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000007/0000887343-23-000007-index.htm
- Earnings Releases
  COLUMBIA BANKING SYSTEM, INC. reported year ended December 31, 2022 results: net income $250.2 million, EPS $3.20 per diluted share.
  - Period: year ended December 31, 2022
  - Net income: $250.2 million
  - EPS: $3.20 per diluted share
  - Result: reported results
  source text: Record full year net income of $250.2 million and diluted earnings per share of $3.20
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000007/0000887343-23-000007-index.htm

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