UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 x Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2018 Delaware 46-3837784 OR 1668 S. Garfield Avenue, 2 Floor, Alhambra, CA 91801 (Address of principal executive offices, including zip code) ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission file number: 001-37392 Apollo Medi ...