29 May 2026
"Shadow AI" Triggers First SEC Form 8-K for Unauthorized AI Use: What Financial Institutions and Public Companies Need to Know
Key Takeaways CB Financial Services, Inc. filed the first SEC Form 8-K under Item 1.05 triggered by an unauthorized use of an artificial intelligence (AI) tool, not an external cyberattack. A cybersecurity incident caused by insider misuse of AI (known as Shadow AI) should be assessed for disclosure under SEC rules. The four-business-day disclosure clock under Item 1.05 starts at the materiality…
