Johnson R. Michael
Related Filers (1)
Ownership (14)
5
Friday, 2/14/2020
Koppers Holdings Inc.: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 8/14/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/15/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/14/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/10/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/15/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/8/2019
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/19/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/14/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/13/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/15/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/17/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/10/2018
Koppers Holdings Inc.: Statement of changes in beneficial ownership of securities
3
Thursday, 4/19/2018
Koppers Holdings Inc.: Initial statement of beneficial ownership of securities