secwatch.observer — SEC 8-K summary ====================================== Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB) CIK: 0000887343 Form: 8-K Filed at: 2025-08-29T23:59:59+00:00 Accession: 0000887343-25-000238 Event type: other_material Sentiment: neutral Materiality: 0.10 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Columbia Banking System announces Q3 2025 earnings release and conference call date -------------------------------------------------------------------------------- - Earnings release scheduled for October 30, 2025 after market close. - Conference call at 2:00 p.m. PT (5:00 p.m. ET) same day. - No financial results or guidance provided in this announcement. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734325000238/0000887343-25-000238-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/887343/000088734325000238/colb-20250829.htm HTML page: https://secwatch.observer/filing/0000887343-25-000238 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer