NIELSEN CHRISTIAN A
Related Filers (1)
Ownership (7)
4
Tuesday, 1/22/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/6/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/7/2017
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2016
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/26/2016
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/5/2015
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
3
Friday, 2/13/2015
Koppers Holdings Inc.: Initial statement of beneficial ownership of securities