Diamondback insider sales: Teresa L. Dick disposes $1.96M

Diamondback Energy insiders filed Form 144 reporting proposed and completed sales of Common Stock.

Rhea-AI Filing Summary

Diamondback Energy insiders filed Form 144 reporting proposed and completed sales of Common Stock. The filing lists a proposed sale of 5,000 shares described as "Performance Stock Lapse" dated 03/01/2024 under Equity Compensation. It also reports sales completed in March 2026 by Teresa L. Dick: 3,000 shares on 03/06/2026 for $544,373, 2,500 shares on 03/09/2026 for $462,500, and 5,000 shares on 03/18/2026 for $950,000. The transactions are recorded through Charles Schwab & Co., Inc.

Insights

Corporate Governance Analyst

Form 144 shows scheduled/resolved insider dispositions totaling $1,956,873 across three March 2026 trades.

These entries list specific sales by Teresa L. Dick on 03/06/2026, 03/09/2026, and 03/18/2026, with per‑trade amounts recorded. The filing also notes a separate block of 5,000 shares tied to a "Performance Stock Lapse" dated 03/01/2024.

Cash‑flow treatment to the issuer is not stated; subsequent filings or broker records would clarify whether these were open‑market sales or otherwise. Stakeholders may watch future SEC disclosures for additional insider transactions or clarifying schedules.

FAQ

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

What did Diamondback Energy (FANG) insiders report on Form 144?

They reported proposed and completed dispositions of Common Stock. The filing lists a proposed 5,000 share lapse and three March 2026 sales totaling $1,956,873 across 10,500 shares.

Who sold shares according to the Form 144 and when?

The seller named is Teresa L. Dick. Reported sales occurred on 03/06/2026, 03/09/2026, and 03/18/2026 for 3,000, 2,500, and 5,000 shares respectively.

What were the proceeds reported for the March 2026 trades?

The filing records proceeds of $544,373 on 03/06/2026, $462,500 on 03/09/2026, and $950,000 on 03/18/2026, totaling $1,956,873 for those trades.

What is the "Performance Stock Lapse" entry in the Form 144?

It describes a block of 5,000 Common shares dated 03/01/2024 tied to Equity Compensation. The filing lists it under "Securities To Be Sold."

Through which broker were the securities processed?

The filing identifies Charles Schwab & Co., Inc. at 3000 Schwab Way, Westlake, TX as the broker of record for the listed transactions.

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

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Accepted by SEC EDGAR 03/20/2026 - 04:03 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	965000.00	282078989	03/20/2026	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
Teresa L. Dick 500 WEST TEXAS AVENUE SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/18/2026	5000	950000.00

144: Remarks and Signature

Remarks
Date of Notice	03/20/2026
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)