TOMENSON WALTER S
Related Filers (1)
Ownership (21)
4
Tuesday, 5/24/2022
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/14/2021
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/13/2020
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/7/2019
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/7/2018
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/5/2017
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/16/2016
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/27/2015
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/1/2015
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/12/2014
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/13/2014
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/28/2013
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/18/2013
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/24/2012
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/26/2011
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 4/9/2010
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/19/2008
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2007
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/15/2006
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/26/2005
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/17/2004
PSYCHEMEDICS CORP: Statement of changes in beneficial ownership of securities