---
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"
generated_at: "2026-06-25T20:53:26.917116+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# River Financial discloses ransomware attack; investigation ongoing, impact undetermined

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: cyber
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.05, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-282946
- JSON: https://secwatch.observer/filing/0001193125-26-282946.json
- Plain text: https://secwatch.observer/filing/0001193125-26-282946.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.