---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-23-000214"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T14:52:59.928375+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Columbia Banking posts $14M net loss in Q1, operating EPS $0.46; Umpqua merger closed

## Summary
- Net loss of $14M ($0.09 per share); operating net income of $72M ($0.46 per share).
- Completed merger with Umpqua Holdings on Feb 28, core systems conversion on Mar 20.
- Total assets $54.0B, loans $37.1B, deposits $41.6B; NIM 4.08% vs 4.01% prior qtr.
- Provision for credit losses $105.5M includes $88M initial provision for non-PCD loans.
- Merger-related expenses $116M; cost-savings target of $135M on track for end of Q3 2023.

## SEC filing metadata
- accession: 0000887343-23-000214
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734323000214/0000887343-23-000214-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734323000214/colb-20230426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-23-000214
- JSON: https://secwatch.observer/filing/0000887343-23-000214.json
- Plain text: https://secwatch.observer/filing/0000887343-23-000214.txt

## Key facts
- Earnings Releases
  COLUMBIA BANKING SYSTEM, INC. reported first quarter 2023 results: net income $(14) million, EPS ($0.09) per common share.
  - Period: first quarter 2023
  - Net income: $(14) million
  - EPS: ($0.09) per common share
  - Result: reported results
  source text: Net income of $(14) million, or $(0.09) per common share
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000214/0000887343-23-000214-index.htm

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