United-Guardian(UG) - 2023 Q1 - Quarterly Report

U.S. SECURITIES AND EXCHANGE COMMISSION 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, 2023 ☐ TRANSITION REPORT PURSUANT TO 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ COMMISSION FILE NUMBER: 1-10526 UNITED-GUARDIAN, INC. (Exact Name of Registrant as Specified in Its Charter) Incorporation or Organization) Delaware 11-17197 ...