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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FORM 10 - K For the fiscal year ended December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Pennsylvania ( State or other jurisdiction of incorporation or organization ) Title of each class Entercom Communications Corp. ( Exact name of registrant as specified in its charter ) or Commission File Number : 001-14461 SECURITIES REGISTERED to 2400 Market Street , 4th Floor Philadelphia , Pennsylvania 19103 ( Address of principal executive offices and zip code ) ( 610 ) 660-5610 ( Registrant's telephone number , including area code ) Class A Common Stock , par value $ .01 per share Series A Junior Participating Convertible Preferred Stock , par value $ 0.01 per share Series B Junior Participating Convertible Preferred Stock , par value $ 0.01 per share 23-1701044 ( I.R.S. Employer Identification No. ) PURSUANT TO SECTION 12 ( b ) OF THE ACT : Trading Symbol ( s ) ETM Name of exchange on which registered New York Stock Exchange 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 X 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 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 ( Section 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 .