{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-24-000275","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2024-12-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.274125+00:00","generated_at":"2026-05-28T22:35:37.835863+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Columbia Banking System schedules Q4 2024 earnings call for Jan 23, 2025","bullets":["Earnings release after market close on Jan 23, 2025; conference call at 2:00 p.m. PT.","Call will cover Q4 2024 financial results and recent activities.","Webcast and replay available on Columbia's investor relations page."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-24-000275","json":"https://secwatch.observer/filing/0000887343-24-000275.json","markdown":"https://secwatch.observer/filing/0000887343-24-000275.md","text":"https://secwatch.observer/filing/0000887343-24-000275.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/0000887343-24-000275-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/colb-20241231.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T22:35:37.835863+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"}