{"schema_version":"secwatch.filing_event.v1","accession":"0000875357-22-000053","form_type":"8-K","ticker":"BOKF","cik":"0000875357","company_name":"BOK FINANCIAL CORP","filed_at":"2022-11-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:53.813234+00:00","generated_at":"2026-06-21T17:53:34.640448+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"BOK Financial CFO Steven Nell to retire March 31, 2023; Marty Grunst named successor, Mindy Mahaney becomes CRO","bullets":["CFO Steven Nell retires after 30 years with BOK Financial, over 20 as CFO; effective March 31, 2023.","Chief Risk Officer Marty Grunst will become CFO; Grunst has been with company since 2009, previously treasurer.","Mindy Mahaney promoted to Chief Risk Officer; previously COO for wealth management, with BOKF since 2008.","Transition is orderly; Nell cites collaborative culture; CEO Stacy Kymes praises both successors."],"urls":{"canonical":"https://secwatch.observer/filing/0000875357-22-000053","json":"https://secwatch.observer/filing/0000875357-22-000053.json","markdown":"https://secwatch.observer/filing/0000875357-22-000053.md","text":"https://secwatch.observer/filing/0000875357-22-000053.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/875357/000087535722000053/0000875357-22-000053-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/875357/000087535722000053/bokf-20221116.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T17:53:34.640448+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":[{"claim_id":"cffb97d6ee","claim":"Steven Nell departed as Chief Financial Officer at BOK FINANCIAL CORP.","evidence_excerpt":"BOK Financial Corporation announced that Chief Financial Officer Steven Nell will retire effective March 31, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/875357/000087535722000053/0000875357-22-000053-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"will retire"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"dc6b19ea85","claim":"Mindy Mahaney was appointed as Chief Risk Officer at BOK FINANCIAL CORP.","evidence_excerpt":"Mindy Mahaney will assume the role of Chief Risk Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/875357/000087535722000053/0000875357-22-000053-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"will assume"},{"label":"Role","value":"Chief Risk Officer"}],"fact_type":"executive_change"},{"claim_id":"f34eac926c","claim":"Marty Grunst changed role as Chief Financial Officer at BOK FINANCIAL CORP.","evidence_excerpt":"Marty Grunst will become the company's next Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/875357/000087535722000053/0000875357-22-000053-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"will become"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}