---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-24-000252"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2024-09-30T23:59:59+00:00"
generated_at: "2026-05-31T01:01:55.898419+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Columbia Banking System announces Q3 2024 earnings release and conference call date

## Summary
- Q3 2024 earnings to be released on Thursday, October 24 before market open.
- Conference call at 8:30 a.m. PT (11:30 a.m. ET) same day with Q&A session.
- Participants must register via provided link to receive dial-in and unique PIN.
- Replay available on investor relations page under 'News & Market Data-Event Calendar'.

## SEC filing metadata
- accession: 0000887343-24-000252
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2024-09-30T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/0000887343-24-000252-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/colb-20240930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-24-000252
- JSON: https://secwatch.observer/filing/0000887343-24-000252.json
- Plain text: https://secwatch.observer/filing/0000887343-24-000252.txt

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