# Koppers Holdings Inc.: Form 8-K, filed Jun 18, 2025

- Company: [Koppers Holdings Inc.](/companies/kop.md) (CIK 1315257)
- Form: 8-K
- Filed: 2025-06-18
- Accepted by EDGAR: Jun 18, 2025, 08:01 ET
- Period: 2025-06-17
- Accession: 0000950170-25-087681
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1315257/000095017025087681/kop-20250617.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1315257/000095017025087681/

## Items reported

- Item 1.01: Entry into a material agreement
- Item 2.03: New direct financial obligation
- 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/1315257/000095017025087681/kop-20250617.htm

Filed Jun 18, 2025.
Source: SEC EDGAR, the filing index for accession 0000950170-25-087681. Last ingested by Listed: Oct 30, 2026, 12:04 ET. No prices; not investment advice.