{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-26-000039","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2026-02-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.929639+00:00","generated_at":"2026-05-16T02:52:42.166700+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Columbia Banking System declares $0.37 quarterly dividend","bullets":["Quarterly cash dividend of $0.37 per common share approved by Board.","Payable March 16, 2026 to holders of record on February 27, 2026.","Regular quarterly dividend maintained; no change from prior rate specified."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-26-000039","json":"https://secwatch.observer/filing/0000887343-26-000039.json","markdown":"https://secwatch.observer/filing/0000887343-26-000039.md","text":"https://secwatch.observer/filing/0000887343-26-000039.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000039/0000887343-26-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000039/colb-20260213.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:52:42.166700+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"}