Diamondback Energy (NASDAQ: FANG) CAO sells 7,000 common shares

Rhea-AI Filing Summary

Diamondback Energy, Inc. executive Teresa L. Dick, the company’s CAO and Executive Vice President, carried out an open-market sale of 7,000 shares of common stock at an average price of $200.9001 per share. After this transaction, she directly holds 85,755 shares, so the sale represents a relatively small portion of her overall position.

Insider Trade Summary

Net Seller: 7,000 shares ($1,406,301)

Net Sell 1 txn

Insider Dick Teresa L.

Role CAO, Exec. VP, Assist. Sec.

Sold 7,000 shs ($1.41M)

Type	Security	Shares	Price	Value
Sale	Common Stock	7,000	$200.9001	$1.41M

Holdings After Transaction: Common Stock — 85,755 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 7,000 shares Sale price: $200.9001 per share Shares held after transaction: 85,755 shares +1 more

4 metrics

Shares sold 7,000 shares Open-market sale of common stock

Sale price $200.9001 per share Average sale price for the transaction

Shares held after transaction 85,755 shares Directly owned common stock following sale

Net share change -7,000 shares Net-sell direction from transactionSummary

Key Terms

open-market sale, Common Stock, beneficially owned, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

beneficially owned financial

"total shares beneficially owned after the open-market transaction"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Form 4 regulatory

"reported on a Form 4 as a standard insider trade"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Dick Teresa L.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CAO, Exec. VP, Assist. Sec.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

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	06/02/2026		S		7,000	D	$200.9001	85,755	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:

Remarks:

	/s/ Matt Zmigrosky, as attorney-in-fact for Teresa L. Dick	06/02/2026
	** 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)

FAQ

What insider transaction did Diamondback Energy (FANG) report for Teresa L. Dick?

Diamondback Energy reported that Teresa L. Dick executed an open-market sale of 7,000 shares of common stock. The transaction was reported on a Form 4 as a standard insider trade, reflecting a reduction in her directly held share position.

At what price did Teresa L. Dick sell Diamondback Energy (FANG) shares?

Teresa L. Dick sold 7,000 Diamondback Energy common shares at an average price of $200.9001 per share. This per-share price comes directly from the Form 4 transaction details describing the open-market sale of the non-derivative common stock.

How many Diamondback Energy (FANG) shares does Teresa L. Dick hold after the sale?

Following the reported sale, Teresa L. Dick directly holds 85,755 shares of Diamondback Energy common stock. This figure is disclosed in the Form 4 as the total shares beneficially owned after the open-market transaction on the reported date.

Was the Diamondback Energy (FANG) insider transaction a buy or a sell?

The reported insider transaction was a sell. The Form 4 lists transaction code "S" and characterizes it as an open-market sale of common stock, indicating that Teresa L. Dick disposed of 7,000 shares rather than acquiring additional shares.

Does the Form 4 show any derivative transactions for Diamondback Energy (FANG)?

The Form 4 does not show any derivative security transactions. The filing’s transaction data and derivativeSummary indicate only a single non-derivative transaction: an open-market sale of 7,000 shares of Diamondback Energy common stock by Teresa L. Dick.