X0306 4 2015-05-22 0000806517 PSYCHEMEDICS CORP PMD 0001041889 KUBACKI RAYMOND C JR C/O PSYCHEMEDICS CORPORATION 125 NAGOG PARK ACTON MA 01720 1 1 0 0 Chairman, CEO & President Common Stock, $.005 Par Value 2015-05-22 4 M 0 4866 14.40 A 192342 D Common Stock, $.005 Par Value 2015-05-22 4 M 0 72434 14.40 A 264776 D Common Stock, $.005 Par Value 2015-05-22 4 F 0 71246 14.64 D 193530 D Common Stock, $.005 Par Value 2015-05-22 4 F 0 386 14.64 D 193144 D Common Stock, $.005 Par Value 2015-05-22 4 F 0 4786 14.64 D 188358 D Common Stock, $.005 Par Value 2015-05-22 4 F 0 1787 14.64 D 186571 D Common Stock, $.005 Par Value 2015-05-23 4 F 0 1381 14.64 D 185190 D Common Stock, $.005 Par Value 2015-05-24 4 F 0 1543 14.64 D 183647 D 2000 Stock Option Plan 14.40 2015-05-22 4 M 0 4866 0 D 2005-05-24 2015-05-24 Common Stock, $.005 Par Value 4866 0 D 2000 Stock Option Plan 14.40 2015-05-22 4 M 0 72434 0 D 2005-05-24 2015-05-24 Common Stock, $.005 Par Value 72434 0 D Represents the payment of the exercise price of an Employee Stock Option through the attestation of previously owned shares. Represents the payment of applicable Federal and State withholding taxes through the withholding of shares in connection with the exercise of the non-qualified stock option granted on May 24, 2005. Represents the payment of applicable Federal and State withholding taxes through the withholding of shares from the vesting of a Restricted Stock Unit Award originally granted on May 22, 2012. Represents the payment of applicable Federal and State withholding taxes through the withholding of shares from the vesting of a Restricted Stock Unit Award originally granted on May 23, 2013. Represents the payment of applicable Federal and State withholding taxes through the withholding of shares from the vesting of a Restricted Stock Unit Award originally granted on May 24, 2011. Patrick J. Kinney, Jr. as attorney-in-fact for Raymond C. Kubacki, Jr. 2015-05-27