---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-078597"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2025-05-29T23:59:59+00:00"
generated_at: "2026-05-20T05:30:03.826417+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Koppers appoints James Sullivan as President & Chief Transformation Officer, leads Catalyst initiative

## Summary
- James A. Sullivan named President and Chief Transformation Officer, effective June 1, 2025.
- Newly created role leads Catalyst enterprise-wide transformation to improve margins and cash flow.
- Sullivan previously President & COO; business unit heads now report directly to CEO Leroy Ball.
- Transformation Office established to coordinate execution of Catalyst initiative across all facets.

## SEC filing metadata
- accession: 0000950170-25-078597
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2025-05-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/0000950170-25-078597-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/kop-20250522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-078597
- JSON: https://secwatch.observer/filing/0000950170-25-078597.json
- Plain text: https://secwatch.observer/filing/0000950170-25-078597.txt

## Key facts
- Executive change
  James A. Sullivan was elected as President and Chief Transformation Officer at Koppers Holdings Inc..
  - Action: elected
  - Role: President and Chief Transformation Officer
  source text: James A. Sullivan has been elected President and Chief Transformation Officer of Koppers Holdings Inc. (the “Company”) and Koppers Inc. (“KI” and, together with the Company, “Koppers”), effective June 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/0000950170-25-078597-index.htm

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