Model
Edge
Koppers Holdings Inc.
KOP
Filing type
8-K
Filing date
May 10, 2026
Updated
May 11, 2026 ยท 10:15 AM
Copy reference
Filing
8-K
Changes in Board, Management or Compensation, Reg. FD
Exhibits
EX-99.1
Changes in Board, Management or Compensation, Reg. FD
GRAPHIC