{"schema_version":"secwatch.filing_event.v1","accession":"0000875357-25-000042","form_type":"8-K","ticker":"BOKF","cik":"0000875357","company_name":"BOK FINANCIAL CORP","filed_at":"2025-07-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.541271+00:00","generated_at":"2026-05-18T02:56:58.943044+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Stanley A. Lybarger retires from BOK Financial Board after 51 years","bullets":["Lybarger retired from the Board effective July 18, 2025.","He served 51 years at the company, including 17 as CEO (retired Dec. 31, 2013).","Departure is a retirement, not a sudden resignation or controversy."],"urls":{"canonical":"https://secwatch.observer/filing/0000875357-25-000042","json":"https://secwatch.observer/filing/0000875357-25-000042.json","markdown":"https://secwatch.observer/filing/0000875357-25-000042.md","text":"https://secwatch.observer/filing/0000875357-25-000042.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/875357/000087535725000042/0000875357-25-000042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/875357/000087535725000042/bokf-20250718.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T02:56:58.943044+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"}