{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-050885","form_type":"8-K","ticker":"SFNC","cik":"0000090498","company_name":"SIMMONS FIRST NATIONAL CORP","filed_at":"2025-03-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.748054+00:00","generated_at":"2026-05-25T02:37:30.904309+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Simmons First modifies former CEO Fehlman's equity awards ahead of March 31 retirement","bullets":["Robert Fehlman resigned as CEO effective Dec 31, 2024; advisory role ends March 31, 2025.","Stock option exercise period extended from 3 to 12 months post-departure, not beyond original expiry.","Unvested RSUs will vest on March 31, 2025, with shares and dividend equivalents paid on accelerated basis.","Unvested PSUs will continue vesting based on original performance period; payment on original schedule.","Compensation Committee exercised authority in equity award agreements to effect modifications."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-050885","json":"https://secwatch.observer/filing/0001193125-25-050885.json","markdown":"https://secwatch.observer/filing/0001193125-25-050885.md","text":"https://secwatch.observer/filing/0001193125-25-050885.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90498/000119312525050885/0001193125-25-050885-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90498/000119312525050885/d938671d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-25T02:37:30.904309+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"}