{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-289191","form_type":"8-K","ticker":"UTL","cik":"0000755001","company_name":"UNITIL CORP","filed_at":"2023-12-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.957220+00:00","generated_at":"2026-06-07T18:23:16.508015+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Unitil director Eben S. Moulton resigns after 23 years on board","bullets":["Moulton resigned effective December 1, 2023, prior to term end in April 2025.","He served on the board since 2000 and chaired the Compensation Committee from 2002 to 2017.","Resignation is not due to a disagreement; he is pursuing personal retirement interests.","No replacement has been announced for the vacant board seat."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-289191","json":"https://secwatch.observer/filing/0001193125-23-289191.json","markdown":"https://secwatch.observer/filing/0001193125-23-289191.md","text":"https://secwatch.observer/filing/0001193125-23-289191.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/0001193125-23-289191-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/d622278d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T18:23:16.508015+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":"19f4b6e261","claim":"Eben S. Moulton resigned as Director at UNITIL CORP.","evidence_excerpt":"On December 1, 2023, Eben S. Moulton provided notice that he will resign as a member of the Board of Directors (the “Board”) of Unitil Corporation (the “Company”), effective December 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/0001193125-23-289191-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}