GSBC insider plans Rule 144 sale of 680 shares

GSBC filed a notice of proposed Rule 144 sale for 680 shares of common stock, with an aggregate market value of $43,278.00.

Rhea-AI Filing Summary

GSBC filed a notice of proposed Rule 144 sale for 680 shares of common stock, with an aggregate market value of $43,278.00. The shares are to be sold through Charles Schwab & Co. on or about February 3, 2026 on the NASDAQ.

The 680 shares were acquired on April 11, 2022 via a dividend reinvestment (DRIP) transaction. The notice also reports that Thomas J Carlson sold 2,000 common shares during the past three months on January 28, 2026 for gross proceeds of $119,780.00. Shares outstanding are listed as 11,189,262.

FAQ

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What does the GSBC Form 144 filing disclose?

The filing discloses a planned Rule 144 sale of 680 GSBC common shares for $43,278.00. The shares will be sold through Charles Schwab on or about February 3, 2026, and were originally acquired via a dividend reinvestment (DRIP) on April 11, 2022.

How many GSBC shares is Thomas J Carlson planning to sell under Rule 144?

The notice shows a proposed sale of 680 GSBC common shares, with an aggregate market value of $43,278.00. These shares are to be sold through Charles Schwab on the NASDAQ, with an approximate sale date of February 3, 2026, under Rule 144 conditions.

What prior GSBC stock sales by Thomas J Carlson are reported?

The document reports that Thomas J Carlson sold 2,000 GSBC common shares on January 28, 2026. Those shares generated gross proceeds of $119,780.00. This disclosure covers securities of the same issuer sold during the past three months, as required by Rule 144.

How and when were the 680 GSBC shares being sold acquired?

The 680 GSBC common shares were acquired on April 11, 2022 through a dividend reinvestment (DRIP) transaction. The filing lists the acquisition date, the DRIP nature of the transaction, and confirms the full amount of 680 shares tied to that reinvestment event.

What is the total number of GSBC shares outstanding in this filing?

The filing lists 11,189,262 GSBC common shares outstanding. This figure provides context for the planned 680-share Rule 144 sale and the previously sold 2,000 shares, showing their size relative to the total outstanding share count reported in the notice.

Which broker and exchange are involved in the planned GSBC share sale?

The planned Rule 144 sale of 680 GSBC common shares will be executed through Charles Schwab & Co., headquartered in Westlake, Texas. The filing states that the transaction is expected to occur on the NASDAQ exchange on or about February 3, 2026.

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Accepted by SEC EDGAR 02/03/2026 - 10:22 AM 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	0001135396
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 E. Battlefield SPRINGFIELD MISSOURI 65804
Phone	417-887-4400
Name of Person for Whose Account the Securities are To Be Sold	CARLSON THOMAS J
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 Stock	Charles Schwab & Co 3000 Schwab Way Westlake TX 76262	680	43278.00	11189262	02/03/2026	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 Stock	04/11/2022	DRIP Reinvestment	n/a			680	04/11/2022	N/A

* 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
Thomas J Carlson 1451 East Battlefield Springfield MO 65804	Common Stock	01/28/2026	2000	119780.00

144: Remarks and Signature

Remarks	Shares to be sold from account registered THOMAS J CARLSON & CHANDLER E CARLSON REV QUAL SPOUSAL TRUST Shares were acquired via DRIP from 4/11/22 to 1/13/26
Date of Notice	02/03/2026
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	Thomas J Carlson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)