• Diamondback Energy CAO, Executive Vice President, Assistant Secretary Teresa L. Dick sold 5,000 shares of common stock on May 19, 2026 at USD 207.
• Her direct holding fell to 92,755 shares following the sale.

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. Diamondback Energy 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: 0001539838-26-000108), on May 21, 2026, and is solely responsible for the information contained therein.