{"filing":{"accession_number":"0001193125-26-304948","cik":"0000944695","ticker":"THG","company_name":"HANOVER INSURANCE GROUP, INC.","form":"8-K","filing_date":"2026-07-15","report_date":null,"primary_document":"d160982d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/944695/000119312526304948/d160982d8k.htm"},"events":[{"id":18211,"run_id":16362,"accession_number":"0001193125-26-304948","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"John C. Roche, the current President and CEO and Board member, is retiring effective December 31, 2026. While the filing also announces Richard W. Lavey's appointment as CEO-Elect, the primary disclosed action centers on Roche's departure after a 40-year insurance career and 20 years with the company. The retirement of a sitting CEO is material to investors assessing leadership continuity and company direction.","company_name":"HANOVER INSURANCE GROUP, INC.","ticker":"THG","filing_date":"2026-07-15","form":"8-K","submitted_at":null,"items":[{"id":16952,"accession_number":"0001193125-26-304948","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"John C. Roche, the current President and CEO and Board member, is retiring effective December 31, 2026. While the filing also announces Richard W. Lavey's appointment as CEO-Elect, the primary disclosed action centers on Roche's departure after a 40-year insurance career and 20 years with the company. The retirement of a sitting CEO is material to investors assessing leadership continuity and company direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-15T21:14:39.501839+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":16952,"accession_number":"0001193125-26-304948","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"John C. Roche, the current President and CEO and Board member, is retiring effective December 31, 2026. While the filing also announces Richard W. Lavey's appointment as CEO-Elect, the primary disclosed action centers on Roche's departure after a 40-year insurance career and 20 years with the company. The retirement of a sitting CEO is material to investors assessing leadership continuity and company direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-15T21:14:39.501839+00:00","company_name":"HANOVER INSURANCE GROUP, INC.","ticker":"THG","filing_date":"2026-07-15"}]}