UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value ABEO NASDAQ 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 June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to _________ Commission file ...