PEDERSEN GEORGE J
Related Filers (3)
Ownership (71)
SC 13G/A
Thursday, 3/31/2022
MANTECH INTERNATIONAL CORP: Major Shareholders
4
Wednesday, 3/30/2022
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/8/2022
MANTECH INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Friday, 2/12/2021
MANTECH INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Friday, 2/14/2020
MANTECH INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Thursday, 2/14/2019
MANTECH INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Monday, 2/13/2012
MANTECH INTERNATIONAL CORP: Major Shareholders
4
Friday, 10/7/2011
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/29/2011
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/14/2011
MANTECH INTERNATIONAL CORP: Major Shareholders
4
Tuesday, 5/25/2010
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/27/2010
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
SC 13G/A
Friday, 2/5/2010
MANTECH INTERNATIONAL CORP: Major Shareholders
4
Tuesday, 8/11/2009
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/14/2009
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/19/2009
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/10/2009
MANTECH INTERNATIONAL CORP: Major Shareholders
5
Friday, 2/6/2009
MANTECH INTERNATIONAL CORP: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 7/16/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/2/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/17/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/17/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/3/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/3/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/16/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/9/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/9/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/2/2008
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/6/2008
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/24/2008
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 1/23/2008
MANTECH INTERNATIONAL CORP: Major Shareholders
4
Friday, 12/14/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/12/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/12/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 12/7/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 12/6/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/5/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/5/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/4/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/4/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/3/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/3/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/3/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/30/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/30/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/28/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/28/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/28/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/29/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/23/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/18/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/5/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 6/1/2007
GSE SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/16/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/18/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/3/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/16/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/8/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/10/2007
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/29/2006
MANTECH INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
5
Tuesday, 2/17/2004
MANTECH INTERNATIONAL CORP: Annual statement of changes in beneficial ownership of securities
5/A
Friday, 8/22/2003
MANTECH INTERNATIONAL CORP: Annual statement of changes in beneficial ownership of securities
SC 13G
Friday, 2/14/2003
MANTECH INTERNATIONAL CORP: Major Shareholders
5
Friday, 2/14/2003
MANTECH INTERNATIONAL CORP: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 4/10/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/11/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/8/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
3
Tuesday, 7/10/2001
GP STRATEGIES CORP: Initial statement of beneficial ownership of securities
4
Tuesday, 7/10/2001
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities