Randolph C Read sells Common shares under Form 144 (NYSE: SD)

Rhea-AI Filing Summary

Randolph C Read reports Form 144 sales of Common stock. The filing lists four open-market dispositions: 3,528 shares on 06/24/2026 for $48,686.75, 20,000 shares on 06/25/2026 for $272,906.89, 5,296 shares on 06/26/2026 for $72,468.88, and 18,852 shares on 06/29/2026 for $262,029.27. The broker listed is Morgan Stanley Smith Barney LLC.

Insights

Securities Compliance Officer

Routine Form 144 notices record affiliate disposals of Common stock in late June 2026.

The filing names Randolph C Read and provides four sale entries with exact share counts and gross proceeds on 06/24/2026, 06/25/2026, 06/26/2026, and 06/29/2026. A broker, Morgan Stanley Smith Barney LLC, is identified in the header.

These notices are procedural: they disclose intended or completed sales by an affiliate. Cash-flow treatment and whether sales were pursuant to a trading plan are not stated in the excerpt; subsequent regulatory filings or broker records would show settlement details.

Key Figures

Sale on 06/24/2026: 3,528 shares Sale on 06/25/2026: 20,000 shares Sale on 06/26/2026: 5,296 shares +1 more

4 metrics

Sale on 06/24/2026 3,528 shares gross proceeds $48,686.75

Sale on 06/25/2026 20,000 shares gross proceeds $272,906.89

Sale on 06/26/2026 5,296 shares gross proceeds $72,468.88

Sale on 06/29/2026 18,852 shares gross proceeds $262,029.27

Key Terms

Form 144, Securities To Be Sold, Compensation

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | Morgan Stanley Smith Barney LLC"

Compensation financial

"Common | 05/24/2021 | Compensation | Issuer"

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Available on EDGAR 06/30/2026 - 04:07 PM Accepted by SEC EDGAR 06/30/2026 - 04:07 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
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	20082	278384.44	36918259	06/30/2026	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	05/24/2021	Compensation	Issuer			20082	05/24/2021	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	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)

FAQ

What does Randolph C Read's Form 144 disclose for SD?

The Form 144 lists four dispositions of Common stock by Randolph C Read. It shows 3,528; 20,000; 5,296; and 18,852 shares sold on specified dates in June 2026 with gross proceeds for each sale.

How much gross proceeds were reported for the June 25, 2026 sale?

The June 25, 2026 entry reports gross proceeds of $272,906.89 for 20,000 shares. The filing presents this as the amount tied to that specific disposition.

Which broker is listed on the Form 144 filing?

The filing header lists Morgan Stanley Smith Barney LLC at 1 New York Plaza, 8th Floor, New York, NY. That broker appears associated with the transactions disclosed in the excerpt.

Do these entries indicate the sales were part of a trading plan?

The excerpt does not state whether the sales were executed under a Rule 10b5-1 or other trading plan. The filing lists transaction dates, share counts, and proceeds but does not specify plan status.

What are the dates of the reported transactions in this Form 144?

The reported dispositions occurred on 06/24/2026, 06/25/2026, 06/26/2026, and 06/29/2026, each with the corresponding share count and gross proceeds recorded in the filing.