{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-010394","form_type":"8-K","ticker":"THG","cik":"0000944695","company_name":"HANOVER INSURANCE GROUP, INC.","filed_at":"2023-03-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.668358+00:00","generated_at":"2026-06-17T11:40:04.556678+00:00","sec_items":["1.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Hanover Insurance amends credit agreement to replace LIBOR with SOFR benchmark","bullets":["Amendment No. 1, dated March 24, 2023, changes the interest rate benchmark from LIBOR to SOFR.","Other material terms of the Credit Agreement remain unchanged.","Parties: Hanover Insurance, JPMorgan Chase Bank as administrative agent, and lenders."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-010394","json":"https://secwatch.observer/filing/0000950170-23-010394.json","markdown":"https://secwatch.observer/filing/0000950170-23-010394.md","text":"https://secwatch.observer/filing/0000950170-23-010394.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/944695/000095017023010394/0000950170-23-010394-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/944695/000095017023010394/thg-20230324.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T11:40:04.556678+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":"f8a51f47b923b96071e591e681f82a1db3229209","claim":"HANOVER INSURANCE GROUP, INC. amended Amendment No. 1 with JPMorgan Chase Bank, N.A. (effective 2023-03-24).","evidence_excerpt":"On March 24, 2023, The Hanover Insurance Group, Inc. (the “Company”) entered into Amendment No. 1 (the “Amendment”) to the Credit Agreement, dated as of April 30, 2019 (as amended, amended and restated, supplemented or otherwise modified from time to time prior to the date of the Amendment, the “Credit Agreement”) by and among the Company, JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/944695/000095017023010394/0000950170-23-010394-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"credit facility"},{"label":"Counterparty","value":"JPMorgan Chase Bank, N.A."},{"label":"Effective","value":"2023-03-24"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}