{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-282946","form_type":"8-K","ticker":"RVRF","cik":"0001641601","company_name":"River Financial Corp","filed_at":"2026-06-25T20:52:09+00:00","discovered_at":"2026-06-25T20:53:00.343186+00:00","generated_at":"2026-06-25T20:53:26.917116+00:00","sec_items":["1.05","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"River Financial discloses ransomware attack; investigation ongoing, impact undetermined","bullets":["Unauthorized threat actor gained access on June 16, 2026; ransomware deployed across server environment.","River identified incident June 19, took containment measures including disabling accounts and taking systems offline.","Third-party forensic firm engaged; investigation ongoing; full scope and impact not yet determined.","Certain operations impacted; restoration efforts underway with external cybersecurity professionals.","River will file amendment within four business days after determining material information."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-282946","json":"https://secwatch.observer/filing/0001193125-26-282946.json","markdown":"https://secwatch.observer/filing/0001193125-26-282946.md","text":"https://secwatch.observer/filing/0001193125-26-282946.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1641601/000119312526282946/0001193125-26-282946-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1641601/000119312526282946/ck0001641601-20260619.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T20:53:26.917116+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"}