Washington, D.C. 20549 _________________ 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, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION 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 Number 1-15288 NETWORK-1 TECHNOLOGIES, INC. (Exact name of registrant as specified ...