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Table of Contents X 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 December 31 , 2020 OR ANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXC ANGE ACT OF 1934 For the transition period from SBA COMMUNICATIONS CORPORATION ( Exact name of Registrant as specified in its charter ) Florida ( State or other jurisdiction of incorporation or organization ) 8051 Congress Avenue Boca Raton , Florida ( Address of principal executive offices ) to Commission file number : 001-16853 Title of Each Class Class A Common Stock , $ 0.01 par value per share 65-0716501 ( I.R.S. Employer Identification No. ) Registrant's telephone number , including area code ( 561 ) 995-7670 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol SBAC 33487 ( Zip Code ) Securities registered pursuant to Section 12 ( g ) of the Act : None Name of Each Exchange on Which Registered The NASDAQ Stock Market LLC ( NASDAQ Global Select Market ) Yes x No " No x Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Exchange 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 x 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 during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes x 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 X Non - Accelerated Filer Accelerated Filer Smaller Reporting Company Emerging Growth Company If an emerging growth company , indicate by checkmark 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 . » No x Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) Yes The aggregate market value of the voting stock held by non - affiliates of the Registrant was approximately $ 33.0 billion as of June 30 , 2020 . The number of shares outstanding of the Registrant's common stock ( as of February 18 , 2021 ) : Class A common stock 109,324,399 . Documents Incorporated By Reference Portions of the Registrant's definitive proxy statement for its 2021 annual meeting of shareholders , which proxy statement will be filed no later than 120 days after the close of the Registrant's fiscal year ended December 31 , 2020 , are hereby incorporated by reference in Part III of this Annual Report on Form 10 - K .