Heinemann Steven D.
Related Filers (2)
Ownership (40)
SC 13G/A
Tuesday, 2/14/2023
NETWORK-1 TECHNOLOGIES, INC.: Major Shareholders
SC 13G/A
Friday, 2/4/2022
NETWORK-1 TECHNOLOGIES, INC.: Major Shareholders
4
Thursday, 7/29/2021
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/22/2021
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/29/2021
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/17/2021
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/3/2021
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
4
Monday, 12/28/2020
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/9/2020
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/20/2020
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Monday, 10/5/2020
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/25/2020
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Monday, 4/13/2020
MICRON SOLUTIONS INC /DE/: Statement of changes in beneficial ownership of securities
3
Monday, 4/13/2020
MICRON SOLUTIONS INC /DE/: Initial statement of beneficial ownership of securities
SC 13G/A
Friday, 1/31/2020
MICRON SOLUTIONS INC /DE/: Major Shareholders
SC 13G
Tuesday, 11/19/2019
MICRON SOLUTIONS INC /DE/: Major Shareholders
SC 13G/A
Monday, 2/11/2019
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
SC 13G/A
Tuesday, 6/26/2018
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
4
Monday, 6/25/2018
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 12/1/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/3/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/11/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/16/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/10/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/3/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/28/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/17/2017
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/13/2017
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
SC 13G/A
Friday, 1/15/2016
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
4
Friday, 6/19/2015
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
SC 13G/A
Friday, 6/19/2015
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
4
Tuesday, 5/13/2014
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/10/2014
NETWORK 1 TECHNOLOGIES INC: Major Shareholders
4
Wednesday, 1/15/2014
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/18/2013
NETWORK 1 TECHNOLOGIES INC: Statement of changes in beneficial ownership of securities
4
Monday, 8/12/2013
NETWORK 1 SECURITY SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/13/2011
NETWORK 1 SECURITY SOLUTIONS INC: Statement of changes in beneficial ownership of securities
3
Thursday, 6/3/2010
NETWORK 1 SECURITY SOLUTIONS INC: Initial statement of beneficial ownership of securities
SC 13G/A
Wednesday, 6/2/2010
NETWORK 1 SECURITY SOLUTIONS INC: Major Shareholders
SC 13G
Thursday, 4/10/2008
NETWORK 1 SECURITY SOLUTIONS INC: Major Shareholders