# Koppers Holdings Inc.: Form 8-K, filed Aug 3, 2023

- Company: [Koppers Holdings Inc.](/companies/kop.md) (CIK 1315257)
- Form: 8-K
- Filed: 2023-08-03
- Accepted by EDGAR: Aug 3, 2023, 16:34 ET
- Period: 2023-08-02
- Accession: 0000950170-23-038090
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1315257/000095017023038090/kop-20230802.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1315257/000095017023038090/

## Items reported

- Item 5.03: Amendment to articles or bylaws
- Item 9.01: Financial statements and exhibits

## 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/1315257/000095017023038090/kop-20230802.htm

Filed Aug 3, 2023.
Source: SEC EDGAR, the filing index for accession 0000950170-23-038090. Last ingested by Listed: Oct 30, 2026, 12:04 ET. No prices; not investment advice.