10-KThe Record
Koppers Holdings Inc. files 10-K
Filed Feb 26, 2026 · 4mo ago · Accession 0001315257-26-000012
Plain English
Annual report — full-year financials, business overview, and risk factors.
Read the source below for the full document.
Filing details
- Company
- Koppers Holdings Inc.
- Ticker
- KOP
- CIK
- 1315257
- Form type
- 10-K
- Filing date
- Feb 26, 2026
- Report date
- Dec 31, 2025
- Document
- kop-20251231.htm
- Size
- 16.2 MB