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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30 , 2021 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Title of each class Common Stock , par value $ 0.001 per share For the transition period from Delaware ( State or other jurisdiction of incorporation or organization ) 600 B Street , Suite 100 San Diego , California ( Address of principal executive offices ) 0 0 Commission File Number 001-35231 to MITEK SYSTEMS , INC . ( Exact name of registrant as specified in its charter ) Registrant's telephone number : ( 619 ) 269-6800 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) 87-0418827 ( I.R.S. Employer Identification No. ) MITK Securities registered pursuant to Section 12 ( g ) of the Act : Preferred Stock Purchase Rights ( Title of class ) 92101 ( Zip Code ) Name of each exchange on which registered NASDAQ Capital Market No 区 No | Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes 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 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 every Interactive Data File required to be submitted 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 such files ) . Yes > No Indicate by a 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 0 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 区 The aggregate market value of the voting stock held by non - affiliates of the registrant , based upon the closing sale price of the registrant's common stock on March 31 , 2021 , the last business day of the registrant's most recently completed second fiscal quarter , as reported on the NASDAQ Capital Market , was approximately $ 615,744,135 . Shares of stock held by officers and directors have been excluded in that such persons may be deemed to be affiliates . This determination of affiliate status is not necessarily a conclusive determination for other purposes . The registrant does not have any non - voting stock issued or outstanding . There were 44,622,578 shares of the registrant's common stock outstanding as of November 30 , 2021 .