{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-24-000168","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2024-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.316280+00:00","generated_at":"2026-06-04T05:06:43.526840+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Columbia Banking System to release Q1 2024 earnings after market close on April 25","bullets":["Earnings release scheduled for Thursday, April 25, 2024 after market close.","Conference call for investors and analysts at 2:00 p.m. PT (5:00 p.m. ET) same day.","Management will discuss Q1 2024 results and provide an update on recent activities.","Live Q&A session following presentation; registration required for dial-in.","Ticker: COLB (Nasdaq); parent company of Umpqua Bank."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-24-000168","json":"https://secwatch.observer/filing/0000887343-24-000168.json","markdown":"https://secwatch.observer/filing/0000887343-24-000168.md","text":"https://secwatch.observer/filing/0000887343-24-000168.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000168/0000887343-24-000168-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000168/colb-20240401.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T05:06:43.526840+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"}