SD (SD) holder to sell 7,285 common shares after compensation grant

Rhea-AI Filing Summary

A stockholder of SD, identified as Randolph C. Read, filed a notice to sell 7,285 shares of common stock through Morgan Stanley Smith Barney LLC on 07/23/2026, with a proposed aggregate value of $103,883.33 on the NYSE. The filing also lists that these 7,285 shares were acquired from the issuer on 06/17/2026 as compensation and details multiple prior common stock sales over the past three months, each specifying trade dates, share amounts, and dollar proceeds.

Key Figures

Planned shares to be sold: 7,285 shares Proposed aggregate sale value: $103,883.33 Compensation shares acquired: 7,285 shares +3 more

6 metrics

Planned shares to be sold 7,285 shares Common stock to be sold on 07/23/2026 via Morgan Stanley Smith Barney LLC

Proposed aggregate sale value $103,883.33 Aggregate value for 7,285 SD common shares on 07/23/2026

Compensation shares acquired 7,285 shares Common shares acquired from issuer on 06/17/2026 as compensation

Sale on 07/13/2026 20,876 shares for $290,027.00 Common stock sale by Randolph C. Read

Sale on 06/30/2026 20,082 shares for $278,384.44 Common stock sale by Randolph C. Read

Sale on 07/22/2026 5,637 shares for $78,972.86 Common stock sale by Randolph C. Read

Key Terms

Securities To Be Sold, Securities Sold During The Past 3 Months, Compensation, Issuer

4 terms

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

Compensation financial

"Common | 06/17/2026 | COMPENSATION | Issuer"

Issuer regulatory

"Common | 06/17/2026 | COMPENSATION | Issuer"

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Available on EDGAR 07/23/2026 - 04:09 PM Accepted by SEC EDGAR 07/23/2026 - 04:09 PM Learn about SEC filing dates

FAQ

What stock sale is disclosed for SD in this Form 144 filing?

The filing discloses a proposed sale of 7,285 shares of SD common stock with a proposed aggregate value of $103,883.33, to be sold through Morgan Stanley Smith Barney LLC on 07/23/2026 on the NYSE.

How were the 7,285 SD shares obtained before the planned sale?

The 7,285 shares of SD common stock were acquired from the issuer on 06/17/2026 as compensation. This prior acquisition is disclosed alongside the planned sale in the Form 144 information.

Who is the reporting security holder in SD’s Form 144?

The reporting security holder is Randolph C. Read, with an address at 1 E. Sheridan Ave, Suite 500, Oklahoma City, OK 73104. The holder reports both the planned sale and multiple recent sales of SD common stock.

Which broker is handling the proposed SD stock sale?

The proposed sale of 7,285 SD common shares is to be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, with trading on the NYSE.

What recent SD stock sales are listed in the ‘Securities Sold During The Past 3 Months’ section?

The filing lists several SD common stock sales, including 20,876 shares for $290,027.00 on 07/13/2026 and 20,082 shares for $278,384.44 on 06/30/2026, along with multiple smaller transactions on nearby dates.

On what date is the new SD stock sale expected to occur?

The proposed sale of 7,285 SD common shares is associated with a trade date of 07/23/2026, with the shares to be sold on the NYSE through Morgan Stanley Smith Barney LLC Executive Financial Services.

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
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	7285	103883.33	36918259	07/23/2026	NYSE

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	06/17/2026	COMPENSATION	Issuer			7285	06/17/2026	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
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/22/2026	5637	78972.86
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/17/2026	1831	25315.88
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/14/2026	339	4701.93
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/13/2026	20876	290027.00
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/08/2026	7217	99875.50
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/07/2026	6000	80366.44
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/06/2026	4000	52921.60
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	07/01/2026	7292	98011.40
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	06/30/2026	20082	278384.44
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	06/29/2026	18852	262029.27
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	06/26/2026	5296	72468.88
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	06/25/2026	20000	272906.89
RANDOLPH C READ 1 E. Sheridan Ave Suite 500 Oklahoma City OK 73104	Common	06/24/2026	3528	48686.75

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)