{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-25-000208","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2025-06-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.629678+00:00","generated_at":"2026-05-18T15:14:27.507018+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Columbia Banking System to report Q2 2025 results on July 24, 2025; conference call same day","bullets":["Earnings release after market close Thursday, July 24, 2025.","Conference call at 2:00 p.m. PT (5:00 p.m. ET) with Q&A session.","Registration link provides dial-in details and unique PIN.","Replay available on Columbia's investor relations page."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-25-000208","json":"https://secwatch.observer/filing/0000887343-25-000208.json","markdown":"https://secwatch.observer/filing/0000887343-25-000208.md","text":"https://secwatch.observer/filing/0000887343-25-000208.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000208/0000887343-25-000208-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000208/colb-20250630.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T15:14:27.507018+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}