River Financial amends 8-K, says threat actor accessed network and exfiltrated data

• River Financial amended its June 19, 2026 Form 8-K on a material cybersecurity incident as its investigation progressed.
• An unauthorized threat actor accessed parts of the network, removed certain data, and the company is still assessing whether personally identifiable information was affected.
• River sought to suppress the data, including obtaining representations from the threat actor that it deleted the information.
• The company has not determined the full scope or impact, or whether the incident is reasonably likely to materially affect business or financial condition.
• River expects to file another amendment within four business days once additional information becomes available.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. River Financial Corp. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-325324), on July 30, 2026, and is solely responsible for the information contained therein.