Diamondback insider reports multiple share sales

Diamondback Energy, Inc. affiliate Teresa L. Dick reported multiple proposed or completed dispositions of Common Stock via Form 144.

Rhea-AI Filing Summary

Diamondback Energy, Inc. affiliate Teresa L. Dick reported multiple proposed or completed dispositions of Common Stock via Form 144. The filing lists individual sales of $544,373 for 3,000 shares on 03/06/2026, $462,500 for 2,500 shares on 03/09/2026, $950,000 for 5,000 shares on 03/18/2026, $965,000 for 5,000 shares on 03/20/2026, and $1,000,000 for 5,000 shares on 05/14/2026.

The filing also notes restricted stock lapse dated 03/01/2024 and an entry showing 5,000 shares under “Securities To Be Sold” tied to equity compensation. Transaction timing and settlement details are disclosed by date per the Form 144 entries.

Insights

Corporate Governance Analyst

Insider-filed resale notices list multiple dated sales totaling several transactions in early 2026.

The entries show a sequence of dispositions by Teresa L. Dick with per-trade share counts and gross proceeds: $544,373 for 3,000 shares on 03/06/2026 and subsequent trades through 05/14/2026. These are reported as Form 144 disclosures of proposed or intended sales by an affiliate.

Impact depends on whether sales were pre-arranged or routine liquidity; cash-flow treatment and whether all listed amounts represent completed trades are stated by each dated line. Subsequent public filings may show settlement or additional context.

Key Figures

Trade - 03/06/2026: 3,000 shares / $544,373 Trade - 03/09/2026: 2,500 shares / $462,500 Trade - 03/18/2026: 5,000 shares / $950,000 +3 more

6 metrics

Trade - 03/06/2026 3,000 shares / $544,373 Reported sale on <date>03/06/2026</date>

Trade - 03/09/2026 2,500 shares / $462,500 Reported sale on <date>03/09/2026</date>

Trade - 03/18/2026 5,000 shares / $950,000 Reported sale on <date>03/18/2026</date>

Trade - 03/20/2026 5,000 shares / $965,000 Reported sale on <date>03/20/2026</date>

Trade - 05/14/2026 5,000 shares / $1,000,000 Reported sale on <date>05/14/2026</date>

Securities To Be Sold entry 5,000 shares Listed under “Securities To Be Sold” with <date>03/01/2024</date> and labeled Equity Compensation

Key Terms

Form 144, Restricted Stock Lapse, Equity Compensation

3 terms

Form 144 regulatory

"Securities Sold During The Past 3 Months — lists dated sales with proceeds"

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.

Restricted Stock Lapse financial

"Restricted Stock Lapse | Diamondback Energy, Inc. | 03/01/2024"

Equity Compensation financial

"03/01/2024 | Restricted Stock Lapse ... | Equity Compensation"

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 did the Form 144 filed for FANG disclose?

The Form 144 lists multiple proposed or completed sales by Teresa L. Dick. It shows dated transactions with share counts and gross proceeds, including 3,000 shares for $544,373 on 03/06/2026 and other trades through 05/14/2026.

How many shares and proceeds are shown in the FANG filing for Teresa L. Dick?

The filing itemizes individual trades rather than a single aggregate total. Examples include 3,000 shares ($544,373) on 03/06/2026 and 5,000 shares ($1,000,000) on 05/14/2026.

Does the Form 144 show why the shares were sold for FANG?

The filing ties one entry to equity compensation and a restricted stock lapse dated 03/01/2024. It otherwise lists sale dates, share counts, and gross proceeds without additional rationale in the excerpt provided.

Are the sales in the FANG Form 144 already settled?

Each line shows a trade date and gross proceeds, indicating completed trades on those dates in early 2026. Settlement or final reporting beyond the listed dates is not shown in the provided excerpt.

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

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Accepted by SEC EDGAR 05/19/2026 - 04:00 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	1035000.00	281313297	05/19/2026	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.			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
Teresa L. Dick 500 WEST TEXAS AVENUE, SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/20/2026	5000	965000.00
Teresa L. Dick 500 WEST TEXAS AVENUE, SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	05/14/2026	5000	1000000.00

144: Remarks and Signature

Remarks
Date of Notice	05/19/2026
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)