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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 AND EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-10485 TYLER TECHNOLOGIES , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 5101 Tennyson Parkway Plano , Texas ( Address of principal executive offices ) Registrant's telephone number , including area code : ( 972 ) 713-3700 Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class COMMON STOCK , $ 0.01 PAR VALUE 75-2303920 ( I.R.S. employer identification no . ) Trading symbol TYL Securities registered pursuant to Section 12 ( g ) of the Act : NONE 75024 ( Zip code ) Non - accelerated Filer ( Do not check if smaller reporting company ) No 冈 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 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 if disclosure of delinquent filer pursuant to Item 405 of Regulation S - K is not contained herein , and will not be contained , to the best of the registrant's knowledge , in definitive proxy or information statements incorporated by reference in Part III of the Form 10 - K or any amendment to the Form 10 - K . Yes No > Name of each exchange on which registered New York Stock Exchange Accelerated Filer 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 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 , 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 . ( Check one ) : Large 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 . 000 Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act . ) Yes No 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 Yes > No The aggregate market value of the voting stock held by non - affiliates of the registrant was $ 13,728,101,720 based on the reported last sale price of common stock on June 30 , 2020 , which is the last business day of the registrant's most recently completed second fiscal quarter . The number of shares of common stock of the registrant outstanding on February 17 , 2021 was 40,576,730 DOCUMENTS INCORPORATED BY REFERENCE Certain information required by Part III of this annual report is incorporated by reference from the registrant's definitive proxy statement for its annual meeting of stockholders to be held on May 11 , 2021 .