{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-24-000201","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2024-05-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.316896+00:00","generated_at":"2026-06-02T03:03:51.140095+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Columbia Banking System declares $0.36 quarterly dividend, payable June 10","bullets":["Quarterly cash dividend of $0.36 per common share declared by Columbia Banking System board.","Dividend payable June 10, 2024 to shareholders of record as of May 24, 2024.","Parent company of Umpqua Bank; trades on Nasdaq under symbol COLB."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-24-000201","json":"https://secwatch.observer/filing/0000887343-24-000201.json","markdown":"https://secwatch.observer/filing/0000887343-24-000201.md","text":"https://secwatch.observer/filing/0000887343-24-000201.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/0000887343-24-000201-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/colb-20240513.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-02T03:03:51.140095+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"}