ModelEdge
Koppers Holdings Inc.
KOP
Filing type
8-K
Filing date
May 7, 2026
Updated
May 8, 2026 ยท 8:12 AM

Filing

8-KFinancial Results, Costs of Shutting Down or Selling Parts of the Business, Changes in Board, Management or Compensation, Shareholder votes, Reg. FD

Exhibits

EX-99.1Financial Results, Costs of Shutting Down or Selling Parts of the Business, Changes in Board, Management or Compensation, Shareholder votes, Reg. FDEX-99.2Financial Results, Costs of Shutting Down or Selling Parts of the Business, Changes in Board, Management or Compensation, Shareholder votes, Reg. FDGRAPHICGRAPHIC