SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000930413-12-000798
Form type: SC 13G
Filer: Koppers Holdings Inc.
CIK: CIK 1315257
Filed: Feb 14, 2012
Reporting period: Dec 30, 2011
Description: Passive 5%+ stake

Documents

0000930413-12-000798-index.htm

Complete submission

0000930413-12-000798.txt

directory listing

Filed by

Koppers Holdings Inc.