United-Guardian(UG) - 2019 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, 2019 ☐ 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) Delaware 11-1719724 Incorporation or Organiza ...