Stephanie K. Mains - May 21, 2025 Form 4 Insider Report for Diamondback Energy, Inc. (FANG)

Role: Director
Signature: /s/ Teresa L. Dick, as attorney-in-fact for Stephanie K. Mains
Stock symbol: FANG
Transactions as of: May 21, 2025
Transactions value $: $0
Form type: 4
Date filed: 5/22/2025, 06:38 PM
Previous filing: May 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mains Stephanie K.	Director	500 WEST TEXAS AVENUE, SUITE 100, MIDLAND	/s/ Teresa L. Dick, as attorney-in-fact for Stephanie K. Mains	2025-05-22	0001766980

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FANG	Common Stock	Award	$0	+1.42K	+15.34%	$0.00	10.7K	May 21, 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Ms. Mains as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2026 annual meeting of stockholders of the issuer.

Content

These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Ms. Mains as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2026 annual meeting of stockholders of the issuer.