SD (SD) insider Randolph C. Read plans sale of 290,027 shares on NYSE

Rhea-AI Filing Summary

Randolph C. Read has filed to sell up to 290,027 shares of common stock of SD through Morgan Stanley Smith Barney LLC’s Executive Financial Services, with sales expected on the NYSE. The notice lists prior acquisitions of shares as compensation in 2022, 2024, and 2025.

Read has already conducted multiple open-market sales in recent weeks, including 20,082 shares on June 30, 2026 for $278,384.44 and 20,000 shares on June 25, 2026 for $272,906.89, along with several smaller transactions between June 24 and July 8, 2026.

Key Figures

Planned shares to be sold: 290027 shares Sale on June 30, 2026: 20082 shares Proceeds on June 30, 2026: $278,384.44 +4 more

7 metrics

Planned shares to be sold 290027 shares Maximum SD common shares covered by the notice of proposed sale

Sale on June 30, 2026 20082 shares Common shares sold by Randolph C. Read on June 30, 2026

Proceeds on June 30, 2026 $278,384.44 Aggregate price received for 20,082 SD shares sold June 30, 2026

Sale on June 25, 2026 20000 shares Common shares sold by Randolph C. Read on June 25, 2026

Proceeds on June 25, 2026 $272,906.89 Aggregate price received for 20,000 SD shares sold June 25, 2026

Sale on July 8, 2026 7217 shares Common shares sold by Randolph C. Read on July 8, 2026

Proceeds on July 8, 2026 $99,875.50 Aggregate price received for 7,217 SD shares sold July 8, 2026

Key Terms

Securities To Be Sold, Securities Sold During The Past 3 Months, Compensation, Executive Financial Services

4 terms

Securities To Be Sold financial

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months financial

"144: Securities Sold During The Past 3 Months"

Compensation financial

"Common | 05/25/2022 | Compensation | Issuer"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services"

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Available on EDGAR 07/13/2026 - 04:39 PM Accepted by SEC EDGAR 07/13/2026 - 04:38 PM Learn about SEC filing dates

FAQ

What does the Form 144 filing for SD disclose about planned share sales?

The filing states that Randolph C. Read intends to sell up to 290,027 shares of SD common stock through Morgan Stanley Smith Barney LLC on the NYSE, providing advance notice of these potential Rule 144 sales.

How many SD shares has Randolph C. Read already sold recently?

The disclosure lists several recent transactions, including sales of 20,082 shares on June 30, 2026 and 20,000 shares on June 25, 2026, plus additional smaller sales between June 24 and July 8, 2026.

What proceeds did Randolph C. Read receive from recent SD stock sales?

Individual transactions include aggregate prices such as $278,384.44 for 20,082 shares on June 30, 2026 and $272,906.89 for 20,000 shares on June 25, 2026, showing sizeable recent monetizations of SD stock.

Through which broker are the planned SD share sales being executed?

The planned sales of up to 290,027 SD common shares are arranged through Morgan Stanley Smith Barney LLC Executive Financial Services, with trading expected to occur on the NYSE.

How did Randolph C. Read acquire some of his SD shares?

The disclosure notes prior acquisitions of SD common stock as compensation from the issuer on May 25, 2022, June 11, 2024, and June 10, 2025, reflecting stock-based awards over several years.

What is the largest single-day SD share sale listed in the Form 144?

Among the recent transactions, the largest single-day sale shown is 20,082 shares of SD common stock on June 30, 2026, at an aggregate price of $278,384.44.

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	20876	290027.00	36918259	07/13/2026	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	05/25/2022	Compensation	Issuer			4081	05/25/2022	Compensation
Common	06/10/2025	Compensation	Issuer			5985	06/10/2025	Compensation
Common	06/11/2024	Compensation	Issuer			10810	06/11/2024	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	07/08/2026	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)