Planned sale of 6,000 common shares disclosed

A holder of GSBC common stock has filed to sell 6,000 shares through Morgan Stanley Smith Barney LLC on the NASDAQ around 01/28/2026.

Accepted by SEC EDGAR 01/28/2026 - 04:28 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

A holder of GSBC common stock has filed to sell 6,000 shares through Morgan Stanley Smith Barney LLC on the NASDAQ around 01/28/2026. The proposed sale has an aggregate market value of $358,187.40, based on the figures in the notice.

The shares were acquired on 01/28/2026 via a stock option exercise paid in cash for 6,000 shares. The filing notes that 11,189,262 shares of the issuer’s common stock were outstanding, providing context for the size of this planned transaction.

FAQ

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

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

The Form 144 shows a holder plans to sell 6,000 GSBC common shares. The planned sale, valued at $358,187.40, is to be executed through Morgan Stanley Smith Barney LLC on NASDAQ, providing advance notice of a potential secondary market transaction.

How many GSBC shares are involved in this planned Form 144 sale?

The notice covers a proposed sale of 6,000 GSBC common shares. These shares represent a portion of the issuer’s 11,189,262 outstanding common shares, giving investors a sense of the relative size of this individual planned transaction.

How were the 6,000 GSBC shares to be sold under Form 144 acquired?

The 6,000 GSBC common shares were acquired on 01/28/2026 through a stock option exercise. The consideration for this acquisition was paid in cash, meaning the holder exercised options and immediately obtained the underlying shares before planning the sale.

What is the reported market value of the GSBC shares in the Form 144?

The filing reports an aggregate market value of $358,187.40 for the 6,000 GSBC common shares. This value, combined with the 11,189,262 shares outstanding, helps contextualize the economic scale of the proposed sale relative to the issuer’s equity base.

Through which broker and exchange will the GSBC Form 144 shares be sold?

The planned sale is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services. The shares are expected to trade on the NASDAQ exchange, as indicated in the notice, aligning the transaction with GSBC’s listed trading venue.

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

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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	0001044043
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	GREAT SOUTHERN BANCORP, INC.
SEC File Number	000-18082
Address of Issuer	1451 East Battlefield, Springfield, MISSOURI 65804
Phone	(417) 887-4400
Name of Person for Whose Account the Securities are To Be Sold	WILLIAM TURNER
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6000	358187.40	11189262	01/28/2026	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	01/28/2026	Stock Option Exercise	Issuer			6000	01/28/2026	Cash

* 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	01/28/2026
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	/s/ William V Turner
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)