Duff Mark
Related Filers (1)
Ownership (24)
4
Monday, 12/4/2023
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/24/2023
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 1/23/2023
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/23/2022
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/7/2022
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2022
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/11/2022
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/20/2021
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 10/18/2021
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/30/2020
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/10/2020
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/13/2020
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/31/2020
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/24/2020
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/15/2019
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/15/2019
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/22/2019
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/31/2018
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/17/2018
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/9/2018
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/15/2017
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 7/31/2017
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/27/2017
PERMA FIX ENVIRONMENTAL SERVICES INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 7/6/2016
PERMA FIX ENVIRONMENTAL SERVICES INC: Initial statement of beneficial ownership of securities