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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - Q ( Mark One ) X QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31 , 2021 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 814-00991 MILL CITY VENTURES III , LTD . ( Exact name of registrant as specified in its charter ) 90-0316651 ( I.R.S. Employer Identification No. ) 55391 ( Zip Code ) Minnesota ( State or other jurisdiction of incorporation or organization ) 1907 Wayzata Blvd , # 205 , Wayzata , Minnesota ( Address of principal executive offices ) ( 952 ) 479-1923 ( Registrant's telephone number , including area code ) N / A ( Former name , former address and former fiscal year , if changed since last report ) 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 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 registrant was required to 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 ¨ * Non - accelerated filer x Accelerated filer ¨ Smaller reporting company x 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 is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . " Yes x No As of May 17 , 2021 , Mill City Ventures III , Ltd. had 10,786,913 shares of common stock , and no other classes of capital stock , outstanding .