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冈 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Commission File Number : 0-23406 SOUTHERN MISSOURI BANCORP , INC . ( Exact name of registrant as specified in its charter ) Missouri ( State or other jurisdiction of incorporation or organization ) 2991 Oak Grove Road , Poplar Bluff , Missouri ( Address of principal executive offices ) Registrant's telephone number , including area code : ( 573 ) 778-1800 Securities registered pursuant to Section 12 ( b ) of the Act : Title of Each Class Common Stock , par value $ 0.01 per share " * Name of Each Exchange on Which Registered The NASDAQ Stock Market , LLC Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Trading Symbol 43-1665523 SMBC ( I.R.S. Employer Identification No. ) 63901 ( Zip Code ) Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site , if any , every interactive data file required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registration was required submit and post such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and “ emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company 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 Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of the voting stock held by non - affiliates of the registrant , computed by reference to the average of the high and low traded price of such stock as of the last business day of the registrant's most recently completed second fiscal quarter , was $ 242.2 million . ( The exclusion from such amount of the market value of the shares owned by any person shall not be deemed an admission by the registrant that such person is an affiliate of the registrant . ) As of September 10 , 2021 , there were issued and outstanding 8,894,568 shares of the Registrant's common stock . DOCUMENTS INCORPORATED BY REFERENCE Part III of Form 10 - K - Portions of the Proxy Statement for the 2021 Annual Meeting of Stockholders .