Financials
2013
Current report, 14 Feb 2013
Koppers Holdings Inc. current report, 14 February 2013
8-K
2012
Annual report, FY2012
Koppers Holdings Inc. annual report, FY2012
10-K
Current report, 08 Nov 2012
Koppers Holdings Inc. current report, 08 November 2012
8-K
Quarterly report, Q3 FY2012
Koppers Holdings Inc. quarterly report, Q3 FY2012
10-Q
Current report, 10 Sep 2012
Koppers Holdings Inc. current report, 10 September 2012
8-K
Current report, 09 Aug 2012
Koppers Holdings Inc. current report, 09 August 2012
8-K
Current report, 06 Aug 2012
Koppers Holdings Inc. current report, 06 August 2012
8-K
Quarterly report, Q2 FY2012
Koppers Holdings Inc. quarterly report, Q2 FY2012
10-Q
Current report, 27 Jun 2012
Koppers Holdings Inc. current report, 27 June 2012
8-K
Current report, 03 May 2012
Koppers Holdings Inc. current report, 03 May 2012
8-K