---
schema_version: "secwatch.filing_event.v1"
accession: "0001315257-26-000046"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2026-08-06T12:14:08+00:00"
generated_at: "2026-08-06T12:15:05.036202+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Koppers Q2 net loss $147.5M on $215.8M impairment; adjusted EPS $1.37 vs $1.48

## Summary
- Net loss of $147.5M vs prior-year income of $16.4M; includes $215.8M impairment, restructuring, plant closure costs.
- Sales up 3% to $520.1M; adjusted EPS $1.37 vs $1.48, down 7.4%.
- Adjusted EBITDA $71.0M vs $77.1M, down 7.9%.
- Record YTD operating cash flow $96.3M (vs $27.8M) and free cash flow $72.6M (vs $1.4M).
- Returned $47.4M to shareholders YTD vs $32.4M in prior year period.

## SEC filing metadata
- accession: 0001315257-26-000046
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2026-08-06T12:14:08+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000131525726000046/0001315257-26-000046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000131525726000046/kop-20260806.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001315257-26-000046
- JSON: https://secwatch.observer/filing/0001315257-26-000046.json
- Plain text: https://secwatch.observer/filing/0001315257-26-000046.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.