DEF 14AThe Ballot
Koppers Holdings Inc. files DEF 14A
Filed Mar 28, 2025 · 1y ago · Accession 0000950170-25-046841
Plain English
Proxy statement — executive pay, board nominees, and shareholder votes.
Read the source below for the full document.
Filing details
- Company
- Koppers Holdings Inc.
- Ticker
- KOP
- CIK
- 1315257
- Form type
- DEF 14A
- Filing date
- Mar 28, 2025
- Report date
- May 8, 2025
- Document
- kop-20250326.htm
- Size
- 52.8 MB