8-KThe WireStrategic
Results of Operations
Filed Feb 26, 2026 · 4mo ago · Accession 0001315257-26-000010
Plain English
Material event — a significant development the company must disclose promptly.
Read the source below for the full document.
Filing details
- Company
- Koppers Holdings Inc.
- Ticker
- KOP
- CIK
- 1315257
- Form type
- 8-K
- Filing date
- Feb 26, 2026
- Report date
- Feb 26, 2026
- Document
- kop-20260226.htm
- Size
- 685 KB