{"schema_version":"secwatch.filing_event.v1","accession":"0001620459-23-000075","form_type":"8-K","ticker":"JRVR","cik":"0001620459","company_name":"James River Group Holdings, Inc.","filed_at":"2023-04-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:39.694452+00:00","generated_at":"2026-06-17T05:10:15.627971+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"James River Group appoints Dennis J. Langwell as Class II director","bullets":["Dennis J. Langwell appointed as Class II director effective April 5, 2023.","Board size increased from nine to ten directors to accommodate appointment.","Langwell also appointed to Audit Committee.","Compensation follows standard non-employee director cash and equity structure.","No arrangements or transactions between Langwell and the company per Item 404(a)."],"urls":{"canonical":"https://secwatch.observer/filing/0001620459-23-000075","json":"https://secwatch.observer/filing/0001620459-23-000075.json","markdown":"https://secwatch.observer/filing/0001620459-23-000075.md","text":"https://secwatch.observer/filing/0001620459-23-000075.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620459/000162045923000075/0001620459-23-000075-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620459/000162045923000075/jrvr-20230405.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T05:10:15.627971+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":"66a6a5f3a8","claim":"Dennis J. Langwell was appointed as Class II director at James River Group Holdings, Inc..","evidence_excerpt":"On April 5, 2023, the Board of Directors (the “Board”) of the Company appointed Dennis J. Langwell as a Class II director of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1620459/000162045923000075/0001620459-23-000075-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class II director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}