{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-029469","form_type":"8-K","ticker":"UTL","cik":"0000755001","company_name":"UNITIL CORP","filed_at":"2026-01-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.650325+00:00","generated_at":"2026-05-16T06:43:29.528088+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Unitil extends Aquarion Water acquisition deadline by one month to Feb 23, 2026","bullets":["Amendment moves termination date from Jan 23, 2026 to Feb 23, 2026.","Acquisition of Aquarion Water Company of MA, NH, and Abenaki Water Co. from Aquarion Water Authority.","Seller also amended Eversource Agreement per Section 6.20; no other material terms changed.","Company previously disclosed the original Purchase Agreement on May 12, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-029469","json":"https://secwatch.observer/filing/0001193125-26-029469.json","markdown":"https://secwatch.observer/filing/0001193125-26-029469.md","text":"https://secwatch.observer/filing/0001193125-26-029469.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/755001/000119312526029469/0001193125-26-029469-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/755001/000119312526029469/d18575d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T06:43:29.528088+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"}