# Koppers Holdings Inc.: Form 8-K, filed Oct 12, 2023

- Company: [Koppers Holdings Inc.](/companies/kop.md) (CIK 1315257)
- Form: 8-K
- Filed: 2023-10-12
- Accepted by EDGAR: Oct 12, 2023, 08:46 ET
- Period: 2023-10-11
- Accession: 0001193125-23-254683
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1315257/000119312523254683/d520430d8k.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1315257/000119312523254683/

## 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/1315257/000119312523254683/d520430d8k.htm

Filed Oct 12, 2023.
Source: SEC EDGAR, the filing index for accession 0001193125-23-254683. Last ingested by Listed: Nov 6, 2026, 13:28 ET. No prices; not investment advice.