0001062993-23-012077.txt : 20230524 0001062993-23-012077.hdr.sgml : 20230524 20230524182853 ACCESSION NUMBER: 0001062993-23-012077 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230522 FILED AS OF DATE: 20230524 DATE AS OF CHANGE: 20230524 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SCHAFFER MICHAEL I CENTRAL INDEX KEY: 0001250730 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13738 FILM NUMBER: 23955430 MAIL ADDRESS: STREET 1: C/O PAYCHEMEDICS CORP STREET 2: 1280 MASSACHUSETTS AVE STE 200 CITY: CAMBRIDGE STATE: MA ZIP: 02138 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PSYCHEMEDICS CORP CENTRAL INDEX KEY: 0000806517 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MEDICAL LABORATORIES [8071] IRS NUMBER: 581701987 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 125 NAGOG PARK CITY: ACTON STATE: MA ZIP: 01720 BUSINESS PHONE: 978-206-8220 MAIL ADDRESS: STREET 1: 125 NAGOG PARK CITY: ACTON STATE: MA ZIP: 01720 4 1 form4.xml STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES X0407 4 2023-05-22 0000806517 PSYCHEMEDICS CORP PMD 0001250730 SCHAFFER MICHAEL I C/O PSYCHEMEDICS CORPORATION 289 GREAT ROAD, SUITE 200 ACTON MA 01720 0 1 0 0 VP of Laboratory Operations 0 Common Stock, $.005 Par Value 2023-05-22 4 F 0 375 4.93 D 36489 D Represents shares withheld to cover tax liability with respect to stock unit awards granted in 2022 that vested on May 22, 2023. Patrick J. Kinney, Jr. as attorney-in-fact for Michael I. Schaffer 2023-05-24