For the fiscal year ended December 31, 2020 UNITED STATES SECURITIES AND EXCHANGE COMMISSION FORM 10-K Washington, D.C. 20549 (Mark One) OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☐ 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 001-39394 Securities registered pursuant to Section 12(b) of the Act: | | Trading | | | --- | --- | --- | | Title of each class | Symbol( ...