Koppers Highlights Sustainability Achievements Including Notable Greenhouse Gas Reduction

SEC Filing Details

Document Details

Form
Filing Date
May 11, 2007
Document Date
May 9, 2007
Form Description
Statement of changes in beneficial ownership of securities
Filing Group
3,4,5
Company
Koppers Holdings, Inc.
Issuer
Koppers Holdings Inc.
Filer
Oberbeck Christian L