Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended March 31, 2023 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: 001-31747 UNIVERSAL SECURITY INSTRUMENTS, INC. (Exact name of registrant as specified in its charter) MARYLAND 52-0898545 (State o ...