Koppers Reports Achievements in Safety, Sustainability and Financial Performance

SEC Filing Details

Document Details

Form
Filing Date
May 8, 2023
Document Date
May 4, 2023
Form Description
Statement of changes in beneficial ownership of securities
Filing Group
3,4,5
Company
Koppers Holdings, Inc.
Issuer
Koppers Holdings Inc.
Filer
WILKERSON SONJA MICHELLE