Mediaco Holding Inc.

MDIA·NASDAQ·$0.89Share Price as of 11/2·$48MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/14/26 10-QQ1 ended 03/31/2605/15/26 10-K/AFY 202504/30/26 10-KFY 202503/31/26 10-QQ3 ended 09/30/2511/19/25

Disclosures

8-KCurrent report10/01/26 8-KCurrent report08/14/26 8-KCurrent report08/12/26 8-KCurrent report07/21/26 8-KCurrent report05/18/26

Prospectuses and Registrations

S-8Registration of securities for employees10/07/26 S-8Registration of securities for employees04/03/26 424B5Prospectus supplement12/12/24 S-3/AShelf registration (amended)12/04/24 S-3/AShelf registration (amended)11/22/24

Proxies

DEF 14ADefinitive proxy06/26/26 DEFA14AAdditional proxy materials06/26/26 DEF 14ADefinitive proxy06/27/25 DEFA14AAdditional proxy materials06/27/25 DEF 14ADefinitive proxy02/24/25

Ownership

Form 4Insider transaction09/12/25 SC 13D/ABeneficial ownership (amended)09/12/25 Form 4Insider transaction09/08/25 SC 13D/ABeneficial ownership (amended)09/08/25 Form 3Initial insider ownership07/03/25

Other

ARSAnnual report to shareholders06/26/26 NT 10-QLate filing notification (10-Q)11/14/25 ARSAnnual report to shareholders06/27/25 NT 10-QLate filing notification (10-Q)05/16/25 NT 10-KLate filing notification (10-K)04/01/25