Sonic Automotive, Inc.

Sonic Automotive, Inc. filed an amended 8-K (Amendment No. 1) disclosing that a cybersecurity incident experienced by its third-party service provider, CDK Global, on June 19, 2024, caused material operational disruptions to Sonic's systems (DMS, CRM) throughout July 2024. The incident adversely affected Q2 2024 GAAP earnings per diluted share by approximately $0.64. Access to systems has been restored. No specific data types or individual counts were disclosed in this filing.

Sonic Automotive, Inc. reported disruptions to its dealer management and CRM systems since June 19, 2024, caused by a cybersecurity incident at its third-party provider, CDK Global. The filing is a supplemental Item 1.05 disclosure updating a June 21, 2024 report. Basic DMS functionality has been restored, but other systems remain offline. The Company determined the incident is reasonably likely to have a material impact on Q2 2024 results due to slower vehicle sales. No specific data types affected or individual counts were disclosed.

Sonic Automotive, Inc. filed an 8-K on June 21, 2024, reporting a cybersecurity incident involving third-party provider CDK Global. On June 19, 2024, CDK notified customers of a cybersecurity incident that resulted in the suspension of systems used by Sonic, including its dealer management system (DMS) and customer relationship management (CRM) system. Sonic took precautionary containment steps and commenced an investigation. The full scope and impact, including whether customer data was accessed, are not yet known. The incident is ongoing.