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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Delaware ( State or Other Jurisdiction of Incorporation or Organization ) For the fiscal year ended December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 3280 Peachtree Road , NW , ( Address of Principal Executive Offices ) Form 10 - K For the transition period from C Commission file number 001-38108 Suite 2200 Title of each class Class A common stock , par value $ 0.0000001 per share Class A common stock purchase rights Cumulus Media Inc. ( Exact name of registrant as specified in its charter ) Securities Registered CUMULUS MEDIA Atlanta , GA to ( 404 ) 949-0700 CMLS N / A 82-5134717 ( I.R.S. Employer Identification No. ) Pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) . 1 Table of Contents 30305 ( ZIP Code ) Name of each exchange on which registered Nasdaq Global Market Nasdaq Global Market 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 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 p No p 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 þ No