{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-26-000181","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2026-09-30T21:07:09+00:00","discovered_at":"2026-09-30T21:08:00.228212+00:00","generated_at":"2026-10-12T14:09:28.851990+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 sets Q3 2026 earnings release for Oct. 22, conference call same day","bullets":["Columbia Banking System (Nasdaq: COLB) will release third quarter 2026 financial results on Thursday, October 22, 2026, after market close.","Management will host a conference call at 2:00 p.m. PT (5:00 p.m. ET) that day to discuss results and provide an update on recent activities, followed by a live Q&A.","No financial figures, guidance or preliminary results were disclosed; the filing is a scheduling notice only.","A replay will be available through Columbia's investor relations page under the 'News & Market Data-Event Calendar' section."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-26-000181","json":"https://secwatch.observer/filing/0000887343-26-000181.json","markdown":"https://secwatch.observer/filing/0000887343-26-000181.md","text":"https://secwatch.observer/filing/0000887343-26-000181.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000181/0000887343-26-000181-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000181/colb-20260930.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T14:09:28.851990+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"}