Diamondback Form 144: Teresa L. Dick Sells Shares

Diamondback Energy, Inc. insider sale reported via Form 144.

Rhea-AI Filing Summary

Diamondback Energy, Inc. insider sale reported via Form 144. Teresa L. Dick reported dispositions of 3,000 shares on 03/06/2026 for $544,373 and 2,500 shares on 03/09/2026 for $462,500. The filing lists a 5,000-share broker entry at Charles Schwab & Co., Inc. with a $950,000.00 value and an internal filing date of 03/18/2026.

Insights

Securities Counsel

Routine Form 144 sale notice with listed sales by Teresa L. Dick.

The filing documents two recorded dispositions: 3,000 shares on 03/06/2026 for $544,373 and 2,500 shares on 03/09/2026 for $462,500. It also shows a broker block of 5,000 shares and an aggregate line of $950,000.00 dated 03/18/2026.

Form 144s are notices of intent to sell restricted or control securities and do not confirm settlement method or that sales completed; subsequent filings or broker confirmations would show final transfer activity.

FAQ

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

What did the Form 144 for FANG disclose about Teresa L. Dick's transactions?

The Form 144 discloses two dispositions by Teresa L. Dick: 3,000 shares on 03/06/2026 for $544,373 and 2,500 shares on 03/09/2026 for $462,500. It also lists a broker entry of 5,000 shares dated 03/18/2026.

Does the Form 144 confirm that FANG shares were sold or just offered?

A Form 144 is a notice of intent to sell restricted or control securities; it does not itself confirm settlement. The filing reports intended dispositions but does not prove completion; broker or transfer records would confirm final sale activity.

What broker and amounts are shown on the FANG Form 144 filing?

The filing lists Charles Schwab & Co., Inc. with an entry showing 5,000 shares and a value of $950,000.00, and individual dispositions totaling 5,500 shares across two dated transactions in March 2026.

Where can I find timing details for the reported FANG transactions?

Transaction dates in the filing are 03/06/2026 and 03/09/2026 for the reported dispositions and an internal broker entry dated 03/18/2026. The filing provides these dates but not settlement confirmations.

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

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Accepted by SEC EDGAR 03/18/2026 - 04:02 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	0001559931
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	Dick Teresa L.
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	5000	950000.00	282078989	03/18/2026	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	Performance Stock Lapse	Diamondback Energy, Inc.			5000	03/01/2024	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Teresa L. Dick 500 WEST TEXAS AVENUE SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/06/2026	3000	544373.00
Teresa L. Dick 500 WEST TEXAS AVENUE SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/09/2026	2500	462500.00

144: Remarks and Signature

Remarks
Date of Notice	03/18/2026
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	Teresa L. Dick
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)