CAMPBELL DAVID N
Related Filers (4)
- TEKTRONIX INC (3)
- GIBRALTAR INDUSTRIES, INC. (2)
- APROPOS TECHNOLOGY INC (1)
- MRO SOFTWARE INC (1)
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Ownership (57)
5
Monday, 1/26/2015
GIBRALTAR INDUSTRIES, INC.: Annual statement of changes in beneficial ownership of securities
4
Monday, 1/5/2015
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/6/2014
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/22/2014
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 1/3/2014
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/28/2013
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 5/6/2013
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/5/2013
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2013
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 5/7/2012
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 1/23/2012
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/4/2012
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 5/6/2011
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/26/2011
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2011
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/17/2010
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/11/2010
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/20/2010
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2010
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/20/2009
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/29/2009
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 1/2/2009
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/20/2008
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/2/2008
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 11/26/2007
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/19/2007
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/2/2007
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 10/2/2007
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
5
Wednesday, 6/20/2007
TEKTRONIX INC: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 5/30/2007
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
5
Wednesday, 2/14/2007
GIBRALTAR INDUSTRIES, INC.: Annual statement of changes in beneficial ownership of securities
4
Thursday, 1/25/2007
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/18/2007
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 10/6/2006
MRO SOFTWARE INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/26/2006
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/28/2006
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
5
Tuesday, 6/20/2006
TEKTRONIX INC: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 3/15/2006
MRO SOFTWARE INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/11/2006
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/27/2005
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4/A
Wednesday, 6/22/2005
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/21/2005
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/10/2005
APROPOS TECHNOLOGY INC: Statement of changes in beneficial ownership of securities
5
Tuesday, 6/7/2005
TEKTRONIX INC: Annual statement of changes in beneficial ownership of securities
4
Thursday, 5/12/2005
MRO SOFTWARE INC: Statement of changes in beneficial ownership of securities
3
Thursday, 1/6/2005
MRO SOFTWARE INC: Initial statement of beneficial ownership of securities
4
Friday, 12/17/2004
GIBRALTAR INDUSTRIES, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 9/27/2004
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Thursday, 9/23/2004
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/31/2004
GIBRALTAR STEEL CORP: Statement of changes in beneficial ownership of securities
5
Thursday, 7/8/2004
TEKTRONIX INC: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 6/9/2004
APROPOS TECHNOLOGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/23/2003
GIBRALTAR STEEL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/30/2003
TEKTRONIX INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2003
GIBRALTAR STEEL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/3/2003
GIBRALTAR STEEL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/29/2003
GIBRALTAR STEEL CORP: Statement of changes in beneficial ownership of securities