Teresa L. Dick reports sales of Diamondback Energy shares

Teresa L. Dick reported proposed and recent transactions in Diamondback Energy, Inc. common stock.

Rhea-AI Filing Summary

Teresa L. Dick reported proposed and recent transactions in Diamondback Energy, Inc. common stock. The filing lists proposed restricted-stock-related holdings of 4,279 and 721 shares from restricted stock lapses dated 03/01/2024 and 05/28/2024. The filing also documents sales during 03/06/2026–03/20/2026 of 3,000, 2,500, 5,000, and 5,000 shares with reported proceeds of $544,373.00, $462,500.00, $950,000.00, and $965,000.00, respectively.

Insights

Corporate Governance Analyst

Director-level sales and restricted-stock lapses are routine disclosures of personal holdings and dispositions.

The filing records multiple sales by Teresa L. Dick on 03/06/2026, 03/09/2026, 03/18/2026, and 03/20/2026, with per-sale proceeds listed in the form. These are documented dispositions of common stock with explicit share counts and cash amounts.

Timing and method details beyond the sale dates are not provided in the excerpt; subsequent filings may disclose additional context such as whether transactions were open-market sales or related to tax withholding. The cash amounts are shown per transaction in the provided lines.

Key Figures

Restricted stock lapse: 4,279 shares Restricted stock lapse: 721 shares Sale on 03/06/2026: 3,000 shares +3 more

6 metrics

Restricted stock lapse 4,279 shares 03/01/2024 restricted stock lapse

Restricted stock lapse 721 shares 05/28/2024 restricted stock lapse

Sale on 03/06/2026 3,000 shares proceeds $544,373.00

Sale on 03/09/2026 2,500 shares proceeds $462,500.00

Sale on 03/18/2026 5,000 shares proceeds $950,000.00

Sale on 03/20/2026 5,000 shares proceeds $965,000.00

Key Terms

Restricted Stock Lapse, Form 144, Equity Compensation

3 terms

Restricted Stock Lapse regulatory

"Restricted Stock Lapse | Diamondback Energy, Inc. | 4279"

Form 144 regulatory

"CONTENT TO ANALYZE: ... form_type: "144""

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Equity Compensation financial

"Equity Compensation Common | 05/28/2024 | Restricted Stock Lapse"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

FAQ

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

What sales does the Diamondback Energy (FANG) Form 144 report?

The Form 144 lists four sales of common stock on specific March 2026 dates totaling 15,500 shares. The filing shows sales of 3,000, 2,500, 5,000 and 5,000 shares with listed proceeds for each trade.

Who is the reporting person on this Form 144 for FANG?

The reporting person is Teresa L. Dick, whose address appears on the form. The filing attributes the listed restricted-stock lapses and recent sales to that named individual.

What proceeds were reported from the individual sales in March 2026?

The filing reports proceeds of $544,373.00, $462,500.00, $950,000.00, and $965,000.00 for each of the four March 2026 sales. Each amount is tied to its respective sale date in the excerpt.

Does the Form 144 show vested or restricted stock amounts?

Yes. The form lists restricted stock lapse entries of 4,279 shares (03/01/2024) and 721 shares (05/28/2024). These entries appear under securities to be sold or equity compensation lines.

Are the sale methods or broker details shown in the excerpt?

Broker information lists Charles Schwab & Co., Inc. and an address, but the excerpt does not specify sale methods or whether transactions were open-market or otherwise. The broker name appears with a securities line.

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

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Accepted by SEC EDGAR 05/14/2026 - 04:06 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	1000000.00	281313297	05/14/2026	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	Restricted Stock Lapse	Diamondback Energy, Inc.			4279	03/01/2024	Equity Compensation
Common	05/28/2024	Restricted Stock Lapse	Diamondback Energy, Inc			721	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

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
Teresa L. Dick 500 WEST TEXAS AVENUE, SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/20/2026	5000	965000.00

144: Remarks and Signature

Remarks
Date of Notice	05/14/2026
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)