For the quarterly period ended June 30, 2021 or Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. (State or other jurisdiction of incorporation or organization) Maryland 33-0091377 (I.R.S. Employer Identification No.) 5050 South Syracuse Street, Suite 800 Denver, CO 80 ...