{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-25-000163","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2025-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.628836+00:00","generated_at":"2026-05-22T21:43:00.527257+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"low","headline":"Columbia Banking files investor presentation for Pacific Premier merger; no new financials","bullets":["Filed investor slide deck under Regulation FD for upcoming meetings on May 5, 2025.","Presentation covers pending business combination with Pacific Premier Bancorp (PPBI).","No updated financial results, guidance, or changes to merger terms disclosed.","All forward-looking statements and disclaimers are repeated from prior filings."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-25-000163","json":"https://secwatch.observer/filing/0000887343-25-000163.json","markdown":"https://secwatch.observer/filing/0000887343-25-000163.md","text":"https://secwatch.observer/filing/0000887343-25-000163.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000163/0000887343-25-000163-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000163/colb-20250505.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T21:43:00.527257+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"}