Financials
2020
Current report, 20 May 2020
Koppers Holdings Inc. current report, 20 May 2020
8-K
Current report, 06 May 2020
Koppers Holdings Inc. current report, 06 May 2020
8-K
Current report, 27 Apr 2020
Koppers Holdings Inc. current report, 27 April 2020
8-K
Quarterly report, Q1 FY2020
Koppers Holdings Inc. quarterly report, Q1 FY2020
10-Q
Current report, 27 Feb 2020
Koppers Holdings Inc. current report, 27 February 2020
8-K
Current report, 26 Feb 2020
Koppers Holdings Inc. current report, 26 February 2020
8-K
Current report, 18 Feb 2020
Koppers Holdings Inc. current report, 18 February 2020
8-K
Current report, 18 Feb 2020
Koppers Holdings Inc. current report, 18 February 2020
8-K
Current report, 01 Jan 2020
Koppers Holdings Inc. current report, 01 January 2020
8-K
2019
Annual report, FY2019
Koppers Holdings Inc. annual report, FY2019
10-K