FANG Form 144: Proposed sale of 4,000 shares

Diamondback Energy, Inc. (FANG) filed a Form 144 reporting a proposed sale of 4,000 shares of Common Stock to be sold through Charles Schwab & Co., Inc. The filing lists an aggregate amount of $731,600.00 and a filing date of 03/13/2026.

Rhea-AI Filing Summary

Diamondback Energy, Inc. (FANG) filed a Form 144 reporting a proposed sale of 4,000 shares of Common Stock to be sold through Charles Schwab & Co., Inc. The filing lists an aggregate amount of $731,600.00 and a filing date of 03/13/2026. The filing also lists equity compensation items: 3,802 RSU/PSU dated 03/01/2024 and 198 RSUs dated 05/28/2024.

Insights

Securities Attorney

Form 144 notifies the market of a proposed insider sale of 4,000 shares.

The filing lists a broker (Charles Schwab & Co.) and an aggregate amount of $731,600.00, indicating the affiliate has signed intent to sell under Rule 144 procedures.

Timing and final execution are not shown; subsequent Form 4 or a trade report will confirm if and when the sale occurred.

FAQ

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

What does Diamondback Energy's (FANG) Form 144 report?

It reports a proposed sale of 4,000 shares of Common Stock through Charles Schwab & Co. with an aggregate amount of $731,600.00, filed on 03/13/2026.

Do the listed RSUs affect the Form 144 sale for FANG?

The filing lists 3,802 RSU/PSU (03/01/2024) and 198 RSUs (05/28/2024) as equity compensation items; these appear as related holdings but the Form 144 shows the proposed sale quantity separately.

Does Form 144 mean the shares have already been sold for FANG?

No. Form 144 notifies intent to sell under Rule 144; it does not confirm execution. A subsequent trade report or Form 4 would show completed sales and final proceeds.

Who is handling the proposed FANG sale and when was it filed?

The proposed sale is listed through Charles Schwab & Co., Inc. and the filing date shown is 03/13/2026; the broker and date are stated on the filing excerpt.

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

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Accepted by SEC EDGAR 03/13/2026 - 04:15 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002012976
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Diamondback Energy, Inc.
SEC File Number	001-35700
Address of Issuer	500 WEST TEXAS AVENUE SUITE 100 MIDLAND TEXAS 79701
Phone	432-221-7400
Name of Person for Whose Account the Securities are To Be Sold	Barkmann Albert
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	4000	731600.00	282078989	03/13/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/01/2024	RSU / PSU	Diamondback Energy, Inc.			3802	03/01/2024	Equity Compensation
Common	05/28/2024	RSU	Diamondback Energy, Inc.			198	05/28/2024	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	03/13/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Albert Barkmann
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)