Investor Relations

Customers come back to Koppers because they know they can depend on us for quality, timeliness and attention to detail.

SEC Filing Details

Document Details

Form
Filing Date
Aug 8, 2019
Document Date
Aug 8, 2019
Form Description
Report of unscheduled material events or corporate event
Filing Group
Current Reports
Company
Koppers Holdings, Inc.
Issuer
Koppers Holdings Inc.
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