FANG CEO sells 10,000 shares at $140.614; holds 119,264

Diamondback Energy (FANG) reported an insider transaction on a Form 4.

Rhea-AI Filing Summary

Diamondback Energy (FANG) reported an insider transaction on a Form 4. The company’s Chief Executive Officer and Director sold 10,000 shares of common stock on 11/06/2025 at a weighted average price of $140.614 per share, coded as S for sale.

Following the transaction, the reporting person beneficially owns 119,264 shares, held directly. The filing notes the sale occurred through multiple trades within a price range of $140.28 to $140.92, and detailed breakdowns are available upon request.

Insider Trade Summary

Net Seller: 10,000 shares

Net Sell 1 txn

Insider Van't Hof Matthew Kaes

Role Chief Executive Officer

Sold 10,000 shs ($1.41M)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$140.614	$1.41M

Holdings After Transaction: Common Stock — 119,264 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.28 per share to $140.92 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

FAQ

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

What did Diamondback Energy (FANG) disclose in this Form 4?

A sale of 10,000 shares of common stock by the CEO and Director on 11/06/2025 at a $140.614 weighted average price.

What was the transaction code and ownership form?

The transaction code was S (sale), and the shares are held directly.

How many FANG shares does the insider own after the sale?

The reporting person beneficially owns 119,264 shares after the reported transaction.

What price range did the trades occur within?

Trades were executed between $140.28 and $140.92 per share.

Who is the reporting person’s role at Diamondback Energy (FANG)?

The reporting person is the company’s Chief Executive Officer and a Director.

When did the earliest transaction occur?

The earliest transaction date reported is 11/06/2025.

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

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Accepted by SEC EDGAR 11/10/2025 - 04:01 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^*

Van't Hof Matthew Kaes

(Last) (First) (Middle)

500 WEST TEXAS AVENUE

SUITE 100

(Street)

MIDLAND TX 79701

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2025

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

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

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

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	11/06/2025		S		10,000	D	$140.614(1)	119,264	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. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.28 per share to $140.92 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Teresa L. Dick, as attorney-in-fact for Matthew Kaes Van't Hof	11/10/2025
	** 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.