Cite Filings / KOP / 0000902664-08-001841

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SC 13G/A

Amended Statement of Ownership

Koppers Holdings Inc. Filed 2008-04-28 Acc 0000902664-08-001841

Documents 1

SC 13G/A Amended Statement of Ownership , p08-0901sc13ga.txt

Around this filing

2008-09-10 SC 13G/A Amended Statement of Ownership
2008-05-05 4 Changes in Ownership
2008-05-05 4 Changes in Ownership
2008-05-02 4 Changes in Ownership
2008-05-02 UPLOAD SEC-generated Letter
2008-04-28 SC 13G/A Amended Statement of Ownership
2008-02-14 SC 13G/A Amended Statement of Ownership

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