8-K/AThe WireStrategic
Exit / Disposal Costs
Filed Dec 3, 2025 · 6mo ago · Accession 0001315257-25-000014
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/A
- Filing date
- Dec 3, 2025
- Report date
- Nov 8, 2024
- Document
- kop-20241108.htm
- Size
- 142 KB