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Koppers Holdings Inc.

SC 13G 34 filings

All SC 13G Filings

Complete history of SC 13G filings with the SEC

Date Filed	View on EDGAR
09 Feb Feb 09, 2024	open_in_new View Filing
20 Jan Jan 20, 2023	open_in_new View Filing
14 Feb Feb 14, 2022	open_in_new View Filing
12 Feb Feb 12, 2021	open_in_new View Filing
14 Feb Feb 14, 2020	open_in_new View Filing
08 Apr Apr 08, 2019	open_in_new View Filing
14 Feb Feb 14, 2019	open_in_new View Filing
14 Feb Feb 14, 2019	open_in_new View Filing
15 Nov Nov 15, 2018	open_in_new View Filing
14 Feb Feb 14, 2018	open_in_new View Filing
14 Feb Feb 14, 2017	open_in_new View Filing
12 Feb Feb 12, 2016	open_in_new View Filing
10 Feb Feb 10, 2016	open_in_new View Filing
04 Sep Sep 04, 2015	open_in_new View Filing
13 Feb Feb 13, 2015	open_in_new View Filing
14 Feb Feb 14, 2014	open_in_new View Filing
13 Feb Feb 13, 2013	open_in_new View Filing
10 Feb Feb 10, 2012	open_in_new View Filing
09 Feb Feb 09, 2012	open_in_new View Filing
14 Feb Feb 14, 2011	open_in_new View Filing
07 Feb Feb 07, 2011	open_in_new View Filing
10 Jun Jun 10, 2010	open_in_new View Filing
16 Feb Feb 16, 2010	open_in_new View Filing
12 Feb Feb 12, 2010	open_in_new View Filing
09 Feb Feb 09, 2010	open_in_new View Filing
29 Jan Jan 29, 2010	open_in_new View Filing
09 Apr Apr 09, 2009	open_in_new View Filing
12 Jan Jan 12, 2009	open_in_new View Filing
14 Feb Feb 14, 2008	open_in_new View Filing
13 Feb Feb 13, 2008	open_in_new View Filing
10 Apr Apr 10, 2007	open_in_new View Filing
23 Feb Feb 23, 2006	open_in_new View Filing
15 Feb Feb 15, 2006	open_in_new View Filing
13 Feb Feb 13, 2006	open_in_new View Filing