Form 8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 16, 2025

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GREAT SOUTHERN BANCORP, INC.

(Exact name of registrant as specified in its charter)

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Maryland	0-18082	43-1524856
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1451 East Battlefield

Springfield, Missouri 65804

(Address of Principal Executive Offices) (Zip Code)

(417) 887-4400

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01 per share	GSBC	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

On July 16, 2025, Great Southern Bancorp, Inc. issued a press release reporting preliminary financial results for the three months ended June 30, 2025. A copy of the press release, including unaudited financial information released as a part thereof, is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

Item 7.01. Regulation FD Disclosure.

The Company also published an investor presentation related to its second quarter 2025 financial results, which is available on its website. A copy of the investor presentation is attached as Exhibit 99.2.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits


99.1		Press Release dated July 16, 2025
99.2		Earnings Presentation
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	GREAT SOUTHERN BANCORP, INC.


Date: July 17, 2025	By:	/s/ Joseph W. Turner
		Joseph W. Turner
		President and Chief Executive Officer

Great Southern Bancorp Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits