Diamondback (FANG) files Form 144 to sell 500 shares

Diamondback Energy (FANG) reported a Form 144 notice to sell 500 shares of Common Stock through Charles Schwab & Co., Inc., with an aggregate value listed as $98,250.00 and a filing date of 06/09/2026.

Rhea-AI Filing Summary

Diamondback Energy (FANG) reported a Form 144 notice to sell 500 shares of Common Stock through Charles Schwab & Co., Inc., with an aggregate value listed as $98,250.00 and a filing date of 06/09/2026.

The filing also lists securities becoming reportable from prior restricted stock lapses: 400 shares dated 06/06/2018 and 100 shares dated 07/01/2018. The submission identifies NASDAQ as the market. The filing documents an intended resale; exact sale execution details are not shown in the excerpt.

Insights

Securities Compliance Counsel

Form 144 notifies the broker and the SEC of an intended resale of restricted/controlled shares.

Form 144 is a regulatory notice that a holder intends to sell restricted or control securities in reliance on Rule 144; the entry shows 500 shares offered through Charles Schwab & Co., Inc. with an aggregate value of $98,250.00.

The filing lists prior restricted stock lapses—400 and 100 shares—which explain how shares became eligible to be sold. Timing and execution details of any sale are not included in the excerpt; subsequent transaction reports would show actual sales.

Key Figures

Filed shares to be sold: 500 shares Aggregate value: $98,250.00 Restricted stock lapse - example 1: 400 shares +1 more

4 metrics

Filed shares to be sold 500 shares Form 144 line item, filing date <date>06/09/2026</date>

Aggregate value $98,250.00 Associated with the 500 shares on <date>06/09/2026</date>

Restricted stock lapse - example 1 400 shares Restricted Stock Lapse dated <date>06/06/2018</date>

Restricted stock lapse - example 2 100 shares Restricted Stock Lapse dated <date>07/01/2018</date>

Key Terms

Form 144, Restricted Stock Lapse, Charles Schwab & Co., Inc.

3 terms

Form 144 regulatory

"Filer Information | 144: Securities To Be Sold"

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. | 400 | 06/06/2018"

Charles Schwab & Co., Inc. market

"Common | Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262"

FAQ

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

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

The Form 144 reports an intended resale of 500 shares of Common Stock through Charles Schwab & Co., Inc. with an aggregate value of $98,250.00 on 06/09/2026. It notifies broker/market regulators of a planned sale.

Does the Form 144 show the sale was completed for FANG?

No. The Form 144 indicates an intended resale; it does not confirm execution. The excerpt lists the planned method and timing (06/09/2026) but not completed trade details or settlement information.

Why are 400 and 100 shares dated in 2018 listed on the Form 144?

Those entries show securities that became reportable from restricted stock lapses on 06/06/2018 (400 shares) and 07/01/2018 (100 shares). They explain the origin of shares eligible for resale under Rule 144 conditions.

Which broker and market are named for the planned FANG resale?

The filing lists Charles Schwab & Co., Inc. as the broker and identifies NASDAQ as the market for the Common Stock resale, with the filing date shown as 06/09/2026.

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

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Accepted by SEC EDGAR 06/09/2026 - 04:12 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	0001290795
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	Plaumann Mark Lawrence
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	Director

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	500	98250.00	281313297	06/09/2026	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	06/06/2018	Restricted Stock Lapse	Diamondback Energy, Inc.			400	06/06/2018	Equity Compensation
Common	07/01/2018	Restricted Stock Lapse	Diamondback Energy, Inc.			100	07/01/2018	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	06/09/2026
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	MARK LAWRENCE PLAUMANN
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)