STOCK TITAN

Diamondback Energy (FANG) CAO Teresa Dick sells 5,000 shares, holds 80,755

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Diamondback Energy, Inc. Chief Accounting Officer and Executive Vice President Teresa L. Dick reported an open-market sale of 5,000 shares of Common Stock at $205.00 per share. After this transaction, she continues to hold 80,755 shares directly, indicating she retains a substantial equity stake in the company.

Positive

  • None.

Negative

  • None.

Insights

Routine insider sale with substantial holdings retained.

CAO and Executive Vice President Teresa L. Dick executed an open-market sale of 5,000 shares of Diamondback Energy Common Stock at $205.00 per share. The transaction is coded as an open-market or private sale.

Following the sale, she directly holds 80,755 shares, according to the filing. With no derivative positions listed and no footnotes indicating special arrangements or 10b5-1 plans, this appears to be a straightforward disposition of shares while maintaining significant ongoing ownership.

Insider Dick Teresa L.
Role CAO, Exec. VP, Assist. Sec.
Sold 5,000 shs ($1.02M)
Type Security Shares Price Value
Sale Common Stock 5,000 $205.00 $1.02M
Holdings After Transaction: Common Stock — 80,755 shares (Direct, null)
Footnotes (1)
Shares sold 5,000 shares Open-market sale of Common Stock
Sale price $205.00 per share Price for the 5,000-share sale
Shares held after transaction 80,755 shares Direct ownership after sale
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.
transaction code S financial
"transaction_code_description: "Sale in open market or private transaction""
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SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
CAO, Exec. VP, Assist. Sec.
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026S5,000D$20580,755D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
Remarks:
/s/ Matt Zmigrosky, as attorney-in-fact for Teresa L. Dick06/08/2026
** Signature of Reporting PersonDate
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 CAO and Executive Vice President Teresa L. Dick sold 5,000 shares of Common Stock in an open-market transaction at $205.00 per share, according to a Form 4 insider trading disclosure.

How many Diamondback Energy (FANG) shares does Teresa L. Dick hold after this Form 4 sale?

After the reported sale, Teresa L. Dick directly holds 80,755 shares of Diamondback Energy Common Stock. This post-transaction figure comes directly from the Form 4 and reflects her remaining direct ownership position.

Was the Diamondback Energy (FANG) insider trade by Teresa L. Dick a buy or a sell?

The Form 4 shows a sale transaction. Teresa L. Dick executed an open-market sale of 5,000 shares of Diamondback Energy Common Stock, identified with transaction code S, which denotes a sale in the open market or a private transaction.

At what price were Teresa L. Dick’s Diamondback Energy (FANG) shares sold?

The 5,000 Diamondback Energy Common Stock shares were sold at an average price of $205.00 per share. This per-share sale price is explicitly disclosed in the Form 4 insider trading report filed with regulators.

Does Teresa L. Dick still have a significant stake in Diamondback Energy (FANG) after this sale?

Yes. Following the 5,000-share sale, Teresa L. Dick continues to directly own 80,755 shares of Diamondback Energy Common Stock. The Form 4 lists this as her total shares beneficially owned after the reported transaction.