{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-004388","form_type":"8-K","ticker":"SFNC","cik":"0000090498","company_name":"SIMMONS FIRST NATIONAL CORP","filed_at":"2024-01-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.233996+00:00","generated_at":"2026-06-07T02:48:16.492460+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Simmons First National CAO Stephen Massanelli to retire Jan 1, 2025","bullets":["Stephen C. Massanelli (68), SEVP and Chief Administrative Officer, notified retirement effective Jan 1, 2025.","No successor or transition plan announced; retirement is planned.","Massanelli had senior leadership role; departure date is roughly one year out."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-004388","json":"https://secwatch.observer/filing/0001193125-24-004388.json","markdown":"https://secwatch.observer/filing/0001193125-24-004388.md","text":"https://secwatch.observer/filing/0001193125-24-004388.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90498/000119312524004388/0001193125-24-004388-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90498/000119312524004388/d73773d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T02:48:16.492460+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":"24021f4440","claim":"Stephen C. Massanelli departed as Senior Executive Vice President and Chief Administrative Officer at SIMMONS FIRST NATIONAL CORP.","evidence_excerpt":"On January 5, 2024, Stephen C. Massanelli (age 68), Senior Executive Vice President and Chief Administrative Officer of Simmons First National Corporation (“Company”), notified the Company that he intends to retire, effective January 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/90498/000119312524004388/0001193125-24-004388-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"intends to retire"},{"label":"Role","value":"Senior Executive Vice President and Chief Administrative Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}