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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 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Delaware ( State of Incorporation ) For the fiscal year ended December 31 , 2020 OR Title of Each Class Class A common stock , par value $ 0.001 per share For the transition period from_ to Large accelerated filer Non - accelerated filer Commission File Number 000-24435 MICROSTRATEGY INCORPORATED ( Exact Name of Registrant as Specified in Its Charter ) 1850 Towers Crescent Plaza , Tysons Corner , VA 22182 ( Address of Principal Executive Offices ) ( Zip Code ) Registrant's Telephone Number , Including Area Code : ( 703 ) 848-8600 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol Name of Each Exchange on which Registered The Nasdaq Global Select Market MSTR Securities registered pursuant to Section 12 ( g ) of the Act : Not applicable 51-0323571 ( I.R.S. Employer Identification No. ) 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 风 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 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 . 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 Act ) . Yes No The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant ( based on the last reported sale price of the registrant's class A common stock on June 30 , 2020 on the Nasdaq Global Select Market ) was approximately $ 907.0 million . As of February 2 , 2021 , the registrant had 7,622,997 and 1,964,025 shares of class A common stock and class B common stock outstanding , respectively . Documents incorporated by reference : Portions of the definitive proxy statement for the 2021 Annual Meeting of Stockholders of the Registrant to be filed subsequently with the SEC are incorporated by reference into Part III of this Annual Report on Form 10 - K to the extent indicated herein .