{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-22-011556","form_type":"8-K","ticker":"THG","cik":"0000944695","company_name":"HANOVER INSURANCE GROUP, INC.","filed_at":"2022-06-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:04.511020+00:00","generated_at":"2026-06-25T02:36:01.672187+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Hanover Insurance elects Francisco Aristeguieta to board of directors","bullets":["Francisco A. Aristeguieta (56) elected to board effective June 13, 2022; term expires at 2023 annual meeting.","Currently special adviser at State Street; formerly CEO of State Street Institutional Services and Citigroup Asia Pacific.","Determined independent under NYSE rules; no committee appointments initially.","Compensation same as other non-employee directors, pro-rated for mid-term appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-22-011556","json":"https://secwatch.observer/filing/0000950170-22-011556.json","markdown":"https://secwatch.observer/filing/0000950170-22-011556.md","text":"https://secwatch.observer/filing/0000950170-22-011556.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/944695/000095017022011556/0000950170-22-011556-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/944695/000095017022011556/thg-20220613.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T02:36:01.672187+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":"a37436be60","claim":"Francisco A. Aristeguieta was elected as Director at HANOVER INSURANCE GROUP, INC..","evidence_excerpt":"On June 13, 2022, the Board of Directors elected Francisco A. Aristeguieta to the Board of Directors of The Hanover Insurance Group, Inc. (the “Company”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/944695/000095017022011556/0000950170-22-011556-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}