144Filing Date: Sep 16, 2026

Diamondback Energy (FANG)

Insider Proposed Sale Notice

SGF FANG Holdings, LP

10% Stockholder·Diamondback Energy

Proposed

Common Stock, $0.01 par valueNASDAQ

Shares9.08M

Est. DateSep 16

Market Value$1.92B

BrokerMorgan Stanley & Co. LLC

AcquisitionShares issued as consideration for the acquisition of Endeavor Parent, LLC · Diamondback Energy, Inc.

Acquired DateSep 10, 2024

Amount Acquired114.90M

% Outstanding3.2425%

Exercise / Payment Details

Paid: Sep 10, 2024Method: Merger consideration (equity)

No sales in the past 3 months

Signature & Compliance expand_more

Notice DateSep 16, 2026

Signature Kevin T. Keen, Attorney in fact

Issuer Info expand_more

CompanyDiamondback Energy, Inc.

CIK0001539838

SEC File No.001-35700

Phone432-221-7400

Address500 West Texas Ave., Suite 100, Midland, TX 79701