TRINGALI DONALD J
Related Filers (4)
- NATIONAL TECHNICAL SYSTEMS INC /CA/ (19)
- Cartesian, Inc. (5)
- WAVEDANCER, INC. (4)
- NATURAL GAS SERVICES GROUP INC (2)
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Ownership (30)
4
Thursday, 5/11/2023
NATURAL GAS SERVICES GROUP INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 5/3/2023
NATURAL GAS SERVICES GROUP INC: Initial statement of beneficial ownership of securities
4
Wednesday, 11/23/2022
WAVEDANCER, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 1/3/2022
WAVEDANCER, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 8/30/2021
INFORMATION ANALYSIS INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 5/12/2021
INFORMATION ANALYSIS INC: Initial statement of beneficial ownership of securities
4
Tuesday, 5/15/2018
Cartesian, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 7/31/2017
Cartesian, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/19/2016
Cartesian, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/26/2016
Cartesian, Inc.: Statement of changes in beneficial ownership of securities
3
Thursday, 4/28/2016
Cartesian, Inc.: Initial statement of beneficial ownership of securities
4
Tuesday, 11/26/2013
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Friday, 10/7/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/5/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 9/29/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 9/29/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Friday, 9/23/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 8/4/2011
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Friday, 7/23/2010
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Friday, 6/25/2010
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 3/25/2010
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 1/15/2009
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Thursday, 1/8/2009
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/6/2009
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Monday, 6/25/2007
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Friday, 9/8/2006
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/28/2005
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/13/2004
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
4
Monday, 6/30/2003
NATIONAL TECHNICAL SYSTEMS INC /CA/: Statement of changes in beneficial ownership of securities
5
Thursday, 2/20/2003
NATIONAL TECHNICAL SYSTEMS INC /CA/: Annual statement of changes in beneficial ownership of securities