Diamondback director granted 982 restricted stock units

WEST STEVEN E reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

WEST STEVEN E reported acquisition or exercise transactions in this Form 4 filing.

Diamondback Energy, Inc. director Steven E. West reported an equity compensation grant of 982 restricted stock units, each representing one share of common stock. The award was granted as an annual non-employee director grant under the company’s equity incentive plan at a price of $0.00 per unit.

These restricted stock units will vest on the earlier of the one-year anniversary of the grant date and the date of the company’s 2027 annual meeting of stockholders. Following this grant, West directly holds 5,466 shares of Diamondback Energy common stock, reflecting his ongoing equity-based alignment with shareholders.

Insider Trade Summary

Grant/Award: 982 shares

Grant/Award 1 txn

Insider WEST STEVEN E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	982	$0.00	$0.00

Holdings After Transaction: Common Stock — 5,466 shares (Direct)

Footnotes (1)

1. 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 Mr. West 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 2027 annual meeting of stockholders of the issuer.

Key Figures

RSU grant size: 982 units Grant price: $0.00 per share Shares after transaction: 5,466 shares

3 metrics

RSU grant size 982 units Restricted stock units granted to director on May 20, 2026

Grant price $0.00 per share Equity compensation grant, non-cash award

Shares after transaction 5,466 shares Total common stock held directly by Steven E. West after grant

Key Terms

restricted stock units, equity incentive plan, annual non-employee director grant

3 terms

restricted stock units financial

"These securities are restricted stock units, each representing a contingent right"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

equity incentive plan financial

"granted to Mr. West as an annual non-employee director grant under the issuer's equity incentive plan"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

annual non-employee director grant financial

"These restricted stock units were granted to Mr. West as an annual non-employee director grant"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Diamondback Energy (FANG) director Steven E. West report in this Form 4?

Steven E. West reported receiving 982 restricted stock units as equity compensation. Each unit represents one share of Diamondback Energy common stock, granted as an annual non-employee director award under the company’s equity incentive plan at a grant price of $0.00 per unit.

How many Diamondback Energy (FANG) shares does Steven E. West hold after this transaction?

After this grant, Steven E. West directly holds 5,466 shares of Diamondback Energy common stock. This total includes the newly awarded 982 restricted stock units, which are structured to convert into common shares upon vesting under the company’s equity incentive plan.

What are the vesting terms of Steven E. West’s new restricted stock units in Diamondback Energy (FANG)?

The 982 restricted stock units will vest on the earlier of the one-year anniversary of the grant date and the date of Diamondback Energy’s 2027 annual stockholders’ meeting. Vesting must occur before the units convert into common shares deliverable to Mr. West.

Was Steven E. West’s Diamondback Energy (FANG) Form 4 transaction a market purchase or sale?

The filing reports an acquisition coded as a grant or award, not a market trade. Steven E. West received 982 restricted stock units as compensation at a $0.00 grant price, rather than buying or selling shares on the open market.

What type of security was granted to Steven E. West by Diamondback Energy (FANG)?

Steven E. West received restricted stock units, each representing a contingent right to one share of Diamondback Energy common stock. These units are part of an annual non-employee director grant and will convert into shares only if the stated vesting conditions are satisfied.

Under which plan were Steven E. West’s Diamondback Energy (FANG) restricted stock units granted?

The 982 restricted stock units were granted under Diamondback Energy’s equity incentive plan. The Form 4 footnote explains they constitute an annual non-employee director grant, aligning director compensation with long-term shareholder interests through stock-linked awards rather than cash payments.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/21/2026 - 05:57 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WEST STEVEN E

(Last) (First) (Middle)

500 WEST TEXAS AVENUE

SUITE 100

(Street)

MIDLAND TEXAS 79701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Diamondback Energy, Inc. [ FANG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		A		982(1)	A	$0	5,466	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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 Mr. West 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 2027 annual meeting of stockholders of the issuer.

Remarks:

	/s/ Matt Zmigrosky, as attorney-in-fact for Steven E. West	05/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)