Psychemedics(PMD) - 2023 Q1 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly report pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934 For the quarterly period 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: 1-13738 PSYCHEMEDICS CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 58-1701987 (State or O ...