SPIRTOS JOHN
Related Filers (6)
- NEUSTAR INC (18)
- EVOLVING SYSTEMS INC (13)
- PRIMUS TELECOMMUNICATIONS GROUP INC (3)
- ULTICOM INC (1)
- VERINT SYSTEMS INC (1)
- Tech & Energy Transition Corp (1)
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Ownership (37)
3
Wednesday, 3/17/2021
Tech & Energy Transition Corp: Initial statement of beneficial ownership of securities
4
Friday, 6/19/2015
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/20/2014
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/23/2014
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/25/2013
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/7/2013
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/2/2013
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/22/2012
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/10/2012
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/20/2011
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/7/2011
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/10/2010
PRIMUS TELECOMMUNICATIONS GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/3/2010
PRIMUS TELECOMMUNICATIONS GROUP INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/24/2010
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
3
Monday, 12/14/2009
EVOLVING SYSTEMS INC: Initial statement of beneficial ownership of securities
4
Monday, 12/14/2009
EVOLVING SYSTEMS INC: Statement of changes in beneficial ownership of securities
3
Thursday, 7/2/2009
PRIMUS TELECOMMUNICATIONS GROUP INC: Initial statement of beneficial ownership of securities
3
Wednesday, 11/26/2008
VERINT SYSTEMS INC: Initial statement of beneficial ownership of securities
3
Friday, 11/21/2008
ULTICOM INC: Initial statement of beneficial ownership of securities
4
Tuesday, 2/26/2008
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/3/2007
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/5/2007
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2007
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/5/2007
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4/A
Friday, 10/6/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/4/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/4/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/4/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/6/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/6/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/6/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/6/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/5/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/5/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/24/2006
NEUSTAR INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/13/2005
NEUSTAR INC: Statement of changes in beneficial ownership of securities
3
Tuesday, 6/28/2005
NEUSTAR INC: Initial statement of beneficial ownership of securities