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 ☐ Transition Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Commission File Number 001-39029 MEDIACO HOLDING INC. (Exact name of registrant as specified in its charter) INDIANA (State of incorporation or organization) 84-2427771 (I.R.S. Employer Identificat ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 Commission File Number 001-39029 MEDIACO HOLDING INC. (Exact name of registrant as specified in its charter) INDIANA (State of incorporation or organization) 84-2427771 (I.R.S. Employer Identification No.) ONE EMMIS PLAZA 40 MONUMENT CIRCLE, SUITE 700 INDIANAPOLIS, INDIANA 46204 (Address of ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 Commission File Number 001-39029 MEDIACO HOLDING INC. (Exact name of registrant as specified in its charter) INDIANA (State of incorporation or organization) 84-2427771 (I.R.S. Employer Identification No.) ONE EMMIS PLAZA 40 MONUMENT CIRCLE, SUITE 700 INDIANAPOLIS, INDIANA 46204 (Address of princ ...

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 Commission File Number 001-39029 MEDIACO HOLDING INC. (Exact name of registrant as specified in its charter) UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q INDIANA (State of incorporation or organization) 84-2427771 (I.R.S. Employer Identification No.) ONE EMMIS PLAZA 40 MONUMENT CIRCLE, SUITE 700 INDIANAPOLIS, INDIANA 46204 (Address of prin ...

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (I.R.S. Employer Identification No.) MEDIACO HOLDING INC. ONE EMMIS PLAZA (Exact name of registrant as specified in its charter) For the quarterly period ended September 30, 2019 40 MONUMENT CIRCLE, SUITE 700 INDIANA (State of incorporation or organization) 001-39029 (Commission file number) 84-2427771 (317) 266-0100 (Registrant's Telephone ...