---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-054271"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2021-11-04T23:59:59+00:00"
generated_at: "2026-06-28T12:41:41.826098+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Koppers Q3 adjusted EPS $1.01 vs $1.64 YoY; sales $424.8M down 2.9%

## Summary
- Net income $10.2M ($0.47 diluted EPS) vs $75.6M ($3.53) in prior year, which included $36.4M from discontinued ops.
- Adjusted EBITDA $53.9M (12.7% margin) vs $66.7M (15.2%) YoY; segments: RUPS $10.7M, PC $20.2M, CMC $22.5M.
- Sales by segment: RUPS $186.9M (-2.1%), PC $115.2M (-22.1%), CMC $122.7M (+24.4%).
- FY2021 guidance: sales ~$1.7B, adjusted EBITDA ~$220M, adjusted EPS ~$4.12 (flat YoY); capex $115-120M.
- CEO cites supply chain bottlenecks, rising input costs; plans >$50M annualized price increases for 2022.

## SEC filing metadata
- accession: 0001564590-21-054271
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2021-11-04T23:59:59+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/1315257/000156459021054271/0001564590-21-054271-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000156459021054271/kop-8k_20211104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-054271
- JSON: https://secwatch.observer/filing/0001564590-21-054271.json
- Plain text: https://secwatch.observer/filing/0001564590-21-054271.txt

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