---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-028398"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2025-02-27T23:59:59+00:00"
generated_at: "2026-05-26T01:13:16.359772+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Koppers reports Q4 net loss $10.2M, adj EPS $0.77; 2025 guidance adj EPS $4.75

## Summary
- Q4 net loss $10.2M ($0.50 loss) vs net income $12.9M ($0.59 EPS) a year ago; adjusted EPS $0.77 vs $0.67.
- Full-year 2024 sales $2.09B (-2.9% YoY); net income $52.4M vs $89.2M; diluted EPS $2.46 vs $4.14.
- RUPS segment sales record $942.7M but adj. EBITDA down to $82.3M (8.7%); PC adj. EBITDA up to $142.7M (21.9%).
- 2025 outlook: sales ~$2.17B, adj. EBITDA ~$280M, adj. EPS $4.75, op. cash flow ~$150M, capex ~$65M.
- Pension plan termination completed Feb 2025; additional $13.9M funding in 2025; CEO cites tariff uncertainty but cost actions.

## SEC filing metadata
- accession: 0000950170-25-028398
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2025-02-27T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1315257/000095017025028398/0000950170-25-028398-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000095017025028398/kop-20250227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-028398
- JSON: https://secwatch.observer/filing/0000950170-25-028398.json
- Plain text: https://secwatch.observer/filing/0000950170-25-028398.txt

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