{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-050122","form_type":"8-K","ticker":"THG","cik":"0000944695","company_name":"HANOVER INSURANCE GROUP, INC.","filed_at":"2025-04-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.898646+00:00","generated_at":"2026-05-23T23:04:48.745330+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Hanover Insurance appoints Richard W. Lavey as EVP and COO effective March 31, 2025","bullets":["Richard W. Lavey, 58, appointed Executive Vice President and Chief Operating Officer, a newly created position, effective March 31, 2025.","Lavey retains responsibilities leading personal lines, core commercial, sales, distribution, underwriting, marketing, and risk solutions.","Previously served as Executive Vice President and President, Hanover Agency Markets since 2017.","Lavey joined Hanover in 2004; prior roles include Chief Distribution Officer and President of Personal Lines."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-050122","json":"https://secwatch.observer/filing/0000950170-25-050122.json","markdown":"https://secwatch.observer/filing/0000950170-25-050122.md","text":"https://secwatch.observer/filing/0000950170-25-050122.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/944695/000095017025050122/0000950170-25-050122-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/944695/000095017025050122/thg-20250331.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T23:04:48.745330+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":"9442578be9","claim":"Richard W. Lavey was appointed as Executive Vice President and Chief Operating Officer at HANOVER INSURANCE GROUP, INC..","evidence_excerpt":"On March 31, 2025, the Board of Directors of The Hanover Insurance Group, Inc. (the “Company”) appointed Richard W. Lavey, 58, to serve as Executive Vice President and Chief Operating Officer of the Company, effective on that date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/944695/000095017025050122/0000950170-25-050122-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}