{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-324977","form_type":"8-K","ticker":"UTL","cik":"0000755001","company_name":"UNITIL CORP","filed_at":"2025-12-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.092986+00:00","generated_at":"2026-05-16T12:50:18.988400+00:00","sec_items":["7.01","8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Unitil Corp Corporate Secretary Whitney to retire Dec 31; Simpson succeeds Jan 1","bullets":["Sandra L. Whitney will retire and resign as Corporate Secretary effective December 31, 2025.","Carleton B. Simpson, currently SVP and General Counsel, will become Corporate Secretary on January 1, 2026.","Whitney will provide consulting services until April 30, 2026 to assist with transition.","Simpson will retain his role as Senior Vice President and General Counsel."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-324977","json":"https://secwatch.observer/filing/0001193125-25-324977.json","markdown":"https://secwatch.observer/filing/0001193125-25-324977.md","text":"https://secwatch.observer/filing/0001193125-25-324977.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/755001/000119312525324977/0001193125-25-324977-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/755001/000119312525324977/d75514d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:50:18.988400+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"}