ModelEdge

Koppers Holdings Inc.
KOP
Filing TypeS-8
Filing Date5/7/2026
Updated5/8/26, 6:01 AM

Filing

S-8
Earnings Release

Exhibits

S-8Registration Statement for Securities to be Offered to Employees
EX-5.1EX-5.1
EX-23.1EX-23.1
EX-99.2EX-99.2
EX-FILING FEES
GRAPHIC
GRAPHIC