Randolph C. Read plans SD stock sale (SD) and reports recent share disposals

Rhea-AI Filing Summary

Randolph C. Read filed a notice to sell common stock of issuer SD. The planned sale covers 1,831 shares through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $25,315.88, with trading on the NYSE and a proposed sale date of July 17, 2026.

The filing also lists multiple prior sales of SD common shares during the past three months, including individual transactions such as 20,082 shares sold for $278,384.44 on June 30, 2026 and 20,000 shares sold for $272,906.89 on June 25, 2026.

Key Figures

Proposed shares to be sold: 1,831 shares Aggregate market value of proposed sale: $25,315.88 Proposed sale date: 07/17/2026 +4 more

7 metrics

Proposed shares to be sold 1,831 shares Planned sale of SD common stock through Morgan Stanley Smith Barney LLC

Aggregate market value of proposed sale $25,315.88 Value associated with the 1,831 SD common shares to be sold

Proposed sale date 07/17/2026 Date associated with the planned 1,831-share SD sale

Largest reported single sale 20,082 shares SD common shares sold on 06/30/2026 for $278,384.44

Sale amount on 06/30/2026 $278,384.44 Aggregate price for 20,082 SD common shares sold

Second large sale 20,000 shares SD common shares sold on 06/25/2026 for $272,906.89

Sale amount on 06/25/2026 $272,906.89 Aggregate price for 20,000 SD common shares sold

Key Terms

Securities To Be Sold, Securities Sold During The Past 3 Months, aggregate market value

3 terms

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | 06/10/2025"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

aggregate market value financial

"1831 | 25315.88 | 36918259 | 07/17/2026"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

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

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Available on EDGAR 07/17/2026 - 04:48 PM Accepted by SEC EDGAR 07/17/2026 - 04:47 PM Learn about SEC filing dates

FAQ

What does the Form 144 filing for SD disclose?

The Form 144 for SD discloses that Randolph C. Read plans to sell 1,831 common shares through Morgan Stanley Smith Barney, with an aggregate market value of $25,315.88, and reports additional common stock sales made in the prior three months.

How many SD shares are proposed to be sold under this Form 144?

The filing indicates a proposed sale of 1,831 common shares of SD. These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $25,315.88 as reflected in the notice.

What is the proposed sale date for the SD shares in this Form 144?

The proposed sale date for the 1,831 SD common shares is July 17, 2026. This date appears alongside the share amount and aggregate market value, indicating when the filer expects to execute the planned disposition.

Which broker is handling the planned SD stock sale under this Form 144?

The planned sale of 1,831 SD common shares is listed through Morgan Stanley Smith Barney LLC Executive Financial Services. The broker’s address is shown as 1 New York Plaza, 8th Floor, New York, NY 10004, indicating their role in executing the transaction.

What prior SD stock sales are reported in the past 3 months section?

The filing lists several prior SD common stock sales, including 20,082 shares for $278,384.44 on June 30, 2026 and 20,000 shares for $272,906.89 on June 25, 2026, along with additional smaller transactions on other late-June and July 2026 dates.

Who is the selling security holder in this SD Form 144 filing?

The selling security holder named is Randolph C. Read, with an address at 1 E. Sheridan Ave, Suite 500, Oklahoma City, OK 73104. The filing attributes to him the proposed sale of 1,831 SD common shares and multiple prior sales in the last three months.

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	1831	25315.88	36918259	07/17/2026	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	06/10/2025	Compensation	Issuer			1831	06/10/2025	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	07/14/2026	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)