Koppers Highlights Sustainability Achievements Including Notable Greenhouse Gas Reduction

SEC Filing Details

Document Details

Filing Date
Jan 12, 2009
Document Date
Jan 12, 2009
Form Description
A statement of beneficial ownership of common stock by certain persons
Filing Group
Other
Company
Koppers Holdings, Inc.
Issuer
Koppers Holdings Inc.
Filer
SOUTHERNSUN ASSET MANAGEMENT, INC