Baldwin Cynthia A
Related Filers (1)
Ownership (23)
4
Thursday, 5/31/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/9/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 6/2/2017
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2016
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/15/2015
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/22/2015
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 12/1/2014
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/29/2014
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/12/2014
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/24/2014
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/15/2013
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/13/2013
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/23/2013
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 11/30/2012
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2012
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/24/2012
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2011
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/10/2010
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/15/2009
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/8/2009
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/9/2008
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 2/8/2008
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
3
Tuesday, 2/5/2008
Koppers Holdings Inc.: Initial statement of beneficial ownership of securities