{"url_path":"/sec/gsbc/8-k/2026-05-15/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/854560/0001171843-26-003464-index.html","accession_number":"0001171843-26-003464","cik":"0000854560","ticker":"GSBC","issuer_name":"GREAT SOUTHERN BANCORP, INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/854560/0001171843-26-003464-index.html","primary_entity_key":"0000854560","primary_entity_name":"GREAT SOUTHERN BANCORP, INC."},"word_count":310,"has_tables":true,"body_markdown":"false\n0000854560\n\n0000854560\n\n2026-05-13\n2026-05-13\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\n \n\n**FORM 8-K**\n\n \n\nCURRENT REPORT\n\n \n\nPursuant to Section 13 or 15(d) of the\n\nSecurities Exchange Act of 1934\n\n \n\nDate of Report (Date of earliest event reported)\n\n \n\nMay 13, 2026\n\n \n\nGREAT SOUTHERN BANCORP, INC.\n\n(Exact name of registrant as specified in its charter)\n\n \n\nMaryland\n \n0-18082\n \n43-1524856\n\n(State or other jurisdiction of\n\nincorporation)\n \n(Commission File Number)\n \n(IRS Employer Identification No.)\n\n \n\n \n\n1451 East Battlefield, Springfield, Missouri\n \n65804\n\n(Address of principal executive offices)\n \n(Zip Code)\n\n \n\nRegistrant's telephone number, including area\ncode: (417) 887-4400\n\n \n\nN/A\n\n(Former name or former address, if changed since\nlast report)\n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended\nto simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\n \n\n☐ Written communications\npursuant to Rule 425 under the Securities Act (17 CFR 230.425) \n\n☐ Soliciting material\npursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) \n\n☐ Pre-commencement\ncommunications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) \n\n☐ Pre-commencement\ncommunications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) \n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\n**Title of each class**\n**Trading Symbol(s)**\n**Name of each exchange on which registered**\n\nCommon Stock, par value $0.01 per share\nGSBC\nThe NASDAQ Stock Market LLC\n\n \n\nIndicate by check mark whether the registrant is an\nemerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the\nSecurities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\n \n\nEmerging growth company\n☐\n\n \n\nIf an emerging growth company, indicate by check mark\nif the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting\nstandards provided pursuant to Section 13(a) of the Exchange Act.☐"}