{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-25-000130","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2025-03-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.691199+00:00","generated_at":"2026-05-24T04:30:51.759171+00:00","sec_items":["7.01"],"event_type":"litigation","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Columbia Banking settles class action against Umpqua Bank for $55M","bullets":["Proposed settlement of $55M in class action; plaintiffs had alleged damages of $297.4M–$368.1M.","Mistrial declared March 4, 2025 when jury could not reach verdict; followed court-ordered mediation.","Settlement subject to formal agreement and preliminary/final court approval; expected funding by early 2026.","Case against Umpqua Bank stemmed from 2012 acquisition of Circle Bank; claims of aiding and abetting commercial real estate failure."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-25-000130","json":"https://secwatch.observer/filing/0000887343-25-000130.json","markdown":"https://secwatch.observer/filing/0000887343-25-000130.md","text":"https://secwatch.observer/filing/0000887343-25-000130.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000130/0000887343-25-000130-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000130/colb-20250327.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T04:30:51.759171+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"}