{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-25-000169","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2025-05-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.629113+00:00","generated_at":"2026-05-21T06:58:00.754606+00:00","sec_items":["5.07"],"event_type":"other","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Columbia Banking System shareholders elect all 11 director nominees and approve say-on-pay at 2025 annual meeting","bullets":["All 11 director nominees elected with >180M votes each; broker non-votes ~11M.","Advisory say-on-pay proposal approved: 179.3M for, 4.4M against.","Ratification of Deloitte & Touche as 2025 auditor passed with 194.5M for.","Quorum of 195.2M shares (92.9% of outstanding) present at the meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-25-000169","json":"https://secwatch.observer/filing/0000887343-25-000169.json","markdown":"https://secwatch.observer/filing/0000887343-25-000169.md","text":"https://secwatch.observer/filing/0000887343-25-000169.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000169/0000887343-25-000169-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000169/colb-20250515.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T06:58:00.754606+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"}