{"schema_version":"secwatch.filing_event.v1","accession":"0001620459-26-000051","form_type":"8-K","ticker":"JRVR","cik":"0001620459","company_name":"James River Group Holdings, Inc.","filed_at":"2026-09-03T20:05:10+00:00","discovered_at":"2026-09-03T20:07:18.108935+00:00","generated_at":"2026-09-03T20:08:03.461467+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"James River director Thomas L. Brown to step down at 2026 annual meeting","bullets":["Thomas L. Brown will not seek re-election to the board at the 2026 annual general meeting.","Brown's decision is not due to any disagreement with the company on operations, policies, or practices.","Departure effective at the 2026 annual meeting; no replacement named in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001620459-26-000051","json":"https://secwatch.observer/filing/0001620459-26-000051.json","markdown":"https://secwatch.observer/filing/0001620459-26-000051.md","text":"https://secwatch.observer/filing/0001620459-26-000051.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620459/000162045926000051/0001620459-26-000051-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620459/000162045926000051/jrvr-20260831.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-03T20:08:03.461467+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}