Insider plans 2,000-share Great Southern Bancorp (GSBC) Rule 144 sale

Rhea-AI Filing Summary

Great Southern Bancorp investor files to sell shares under Rule 144. The notice covers the proposed sale of 2,000 shares of common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $119,780.00 and an approximate sale date of 01/28/2026.

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

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	2000	119780.00	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			2000	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

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 the GSBC Rule 144 filing disclose about planned share sales?

The filing discloses a planned sale of 2,000 common shares of Great Southern Bancorp on NASDAQ. The shares have an aggregate market value of $119,780.00 and are to be sold through Morgan Stanley Smith Barney LLC on or about 01/28/2026.

How were the GSBC shares in this Rule 144 notice acquired?

The 2,000 GSBC shares were acquired on 01/28/2026 through a stock option exercise from the issuer, paid in cash. This means the seller exercised options to purchase the shares and is now giving notice of an intent to resell them under Rule 144.

What is the aggregate market value of GSBC shares to be sold under this Form 144?

The planned sale under Rule 144 covers GSBC common shares with an aggregate market value of $119,780.00. This value reflects the approximate market price at the time of the notice for the 2,000 shares proposed to be sold through the identified broker.

Which broker and exchange are involved in the GSBC Rule 144 sale?

The filing identifies Morgan Stanley Smith Barney LLC Executive Financial Services as the broker handling the sale. The 2,000 GSBC common shares are expected to be sold on the NASDAQ exchange, with an approximate sale date of 01/28/2026.

How many Great Southern Bancorp shares are outstanding according to this notice?

The notice states that 11,189,262 GSBC common shares are outstanding. This figure provides a baseline to gauge the relative size of the planned 2,000-share sale, which represents a very small portion of the total outstanding shares of the issuer.