UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol Name of each exchange on which registered Common Stock, $0.0001 par value per share AVCO The NASDAQ Capital Market Class Outstanding May 14, 2019 Common Stock, $0.0001 par value per share 75,655,639 shares FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 1 ...