Rivian Chief Administrative Officer Michael John Callahan disposes of $225,000 in common shares

• Rivian Chief Administrative Officer Michael John Callahan sold 15,000 Class A common shares on Oct. 1, 2026.
• Sale price was $15 per share.
• Directly held stake fell to 1,001,776 shares following the transaction.

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. Rivian Automotive Inc. 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: 0001262742-26-000017), on October 02, 2026, and is solely responsible for the information contained therein.