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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark one ) 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 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number : 001-39420 Delaware ( State or other jurisdiction of incorporation or organization ) RACKSPACE TECHNOLOGY , INC . ( Exact name of registrant as specified in its charter ) r to 1 Fanatical Place City of Windcrest San Antonio , Texas 78218 ( Address of principal executive offices , including zip code ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common stock , par value $ 0.01 per share ( 210 ) 312-4000 ( Registrant's telephone number , including area code ) Trading Symbol ( s ) RXT ( IRS Employer Identification No. ) 81-3369925 Name of each exchange on which registered The Nasdaq Stock Market LLC Securities registered pursuant to Section 12 ( g ) of the Act : None 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 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