{"schema_version":"secwatch.filing_event.v1","accession":"0001620459-26-000034","form_type":"8-K","ticker":"JRVR","cik":"0001620459","company_name":"James River Group Holdings, Inc.","filed_at":"2026-06-08T20:05:08+00:00","discovered_at":"2026-06-08T20:06:00.712213+00:00","generated_at":"2026-06-08T20:12:11.343136+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"James River appoints Rajiv Basu to board; Dennis Langwell resigns","bullets":["Dennis Langwell resigned as director effective June 16, 2026, not due to any disagreement with the company.","Rajiv Basu appointed as independent director and chair of the Audit Committee, effective June 8, 2026.","Basu brings 40 years of insurance accounting and audit experience, most recently at Deloitte & Touche LLP.","Basu also serves as independent director of Assurant, Inc. and is a NY CPA and UK chartered accountant."],"urls":{"canonical":"https://secwatch.observer/filing/0001620459-26-000034","json":"https://secwatch.observer/filing/0001620459-26-000034.json","markdown":"https://secwatch.observer/filing/0001620459-26-000034.md","text":"https://secwatch.observer/filing/0001620459-26-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620459/000162045926000034/0001620459-26-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620459/000162045926000034/jrvr-20260602.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T20:12:11.343136+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":"3953bea848","claim":"Dennis J. Langwell resigned as director at James River Group Holdings, Inc..","evidence_excerpt":"On June 2, 2026, Mr. Langwell advised the Company of his resignation as a director of the Company, with effect from June 16, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1620459/000162045926000034/0001620459-26-000034-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"}