secwatch.observer — SEC 8-K summary
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Issuer:     COLUMBIA BANKING SYSTEM, INC. (COLB)
CIK:        0000887343
Form:       8-K
Filed at:   2025-12-31T23:59:59+00:00
Accession:  0000887343-25-000280
Event type: other
Sentiment:  neutral
Materiality: 0.20
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Columbia Banking System to report Q4 2025 earnings on Jan 22, 2026 after market close
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- Earnings release scheduled for after market close on Thursday, January 22, 2026.
- Conference call at 2:00 PM PT (5:00 PM ET) same day to discuss results and recent activities.
- Live Q&A session and audiocast available; registration details provided in press release.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/887343/000088734325000280/0000887343-25-000280-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/887343/000088734325000280/colb-20251231.htm
  HTML page:      https://secwatch.observer/filing/0000887343-25-000280

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer