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Koppers Holdings Inc (NY: KOP )

38.24 +0.46 (+1.22%)
Official Closing Price Updated: 4:00 PM EST, Nov 22, 2024 Add to My Watchlist
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Form 8-K/A
Source: SEC/Edgar
August 04, 2011
Form 8-K
Source: SEC/Edgar
August 04, 2011
Form 8-K
Source: SEC/Edgar
May 08, 2011
Form ARS
Source: SEC/Edgar
March 30, 2011
Form DEF 14A
Source: SEC/Edgar
March 29, 2011
Form 8-K
Source: SEC/Edgar
March 28, 2011
Form 8-K
Source: SEC/Edgar
February 16, 2011
Form SC 13G
Source: SEC/Edgar
February 13, 2011
Form SC 13G/A
Source: SEC/Edgar
February 13, 2011
Form SC 13G/A
Source: SEC/Edgar
February 08, 2011
Form SC 13G/A
Source: SEC/Edgar
February 08, 2011
Form SC 13G
Source: SEC/Edgar
February 06, 2011
Form SC 13G/A
Source: SEC/Edgar
February 06, 2011
Form SC 13G/A
Source: SEC/Edgar
January 09, 2011
Form 8-K
Source: SEC/Edgar
November 04, 2010
Form 8-K
Source: SEC/Edgar
August 05, 2010
Form 8-K
Source: SEC/Edgar
July 15, 2010
Form SC 13G
Source: SEC/Edgar
June 09, 2010
Form 424B3
Source: SEC/Edgar
May 13, 2010
Form EFFECT
Source: SEC/Edgar
May 11, 2010
Form S-4/A
Source: SEC/Edgar
May 09, 2010
Form 8-K
Source: SEC/Edgar
May 06, 2010
Form SC 13G/A
Source: SEC/Edgar
April 08, 2010
Form ARS
Source: SEC/Edgar
March 31, 2010
Form DEF 14A
Source: SEC/Edgar
March 30, 2010
Form S-4/A
Source: SEC/Edgar
March 25, 2010
Form S-4
Source: SEC/Edgar
February 25, 2010
Form 8-K
Source: SEC/Edgar
February 22, 2010
Form 8-K
Source: SEC/Edgar
February 17, 2010
Form SC 13G
Source: SEC/Edgar
February 15, 2010
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