---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-26-000159"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2026-06-30T22:00:42+00:00"
generated_at: "2026-07-01T10:06:17.689937+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.0
calibrated_materiality_score: 0.0
confidence: "high"
source: SEC EDGAR
---

# Columbia Banking System schedules Q2 2026 earnings call for July 23, 2026

## Summary
- Earnings release after market close on Thursday, July 23, 2026.
- Conference call at 2:00 p.m. PT (5:00 p.m. ET) same day.
- Management to discuss Q2 results and provide update on recent activities.
- Live Q&A session following the presentation.
- Replay available on investor relations page under 'Event Calendar'.

## SEC filing metadata
- accession: 0000887343-26-000159
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2026-06-30T22:00:42+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.0
- calibrated_materiality_score: 0.0
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734326000159/0000887343-26-000159-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734326000159/colb-20260630.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-26-000159
- JSON: https://secwatch.observer/filing/0000887343-26-000159.json
- Plain text: https://secwatch.observer/filing/0000887343-26-000159.txt

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