# Koppers Holdings Inc.: Form DEF 14A, filed Apr 2, 2024

- Company: [Koppers Holdings Inc.](/companies/kop.md) (CIK 1315257)
- Form: DEF 14A
- Filed: 2024-04-02
- Accepted by EDGAR: Apr 2, 2024, 16:34 ET
- Period: 2024-05-02
- Accession: 0001193125-24-084813
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1315257/000119312524084813/d606643ddef14a.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1315257/000119312524084813/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1315257/000119312524084813/d606643ddef14a.htm

Filed Apr 2, 2024.
Source: SEC EDGAR, the filing index for accession 0001193125-24-084813. Last ingested by Listed: Nov 6, 2026, 13:28 ET. No prices; not investment advice.