---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-014607"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2024-02-13T23:59:59+00:00"
generated_at: "2026-06-06T03:08:47.522591+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Koppers expands board to 10, elects Nishan Vartanian as director

## Summary
- Board increased from nine to ten members; Vartanian elected effective Feb 13, 2024.
- Vartanian is Chairman and CEO of MSA Safety Incorporated, a safety products and software firm.
- He has served as MSA CEO since May 2018 and Chairman since 2020.
- Vartanian will stand for election at the 2024 Annual Meeting; committee assignments pending.

## SEC filing metadata
- accession: 0000950170-24-014607
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2024-02-13T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000095017024014607/0000950170-24-014607-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000095017024014607/kop-20240213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-014607
- JSON: https://secwatch.observer/filing/0000950170-24-014607.json
- Plain text: https://secwatch.observer/filing/0000950170-24-014607.txt

## Key facts
- Executive change
  Nishan J. Vartanian was elected as director at Koppers Holdings Inc..
  - Action: elected
  - Role: director
  source text: On February 13, 2024, the Board of Directors of Koppers Holdings Inc. (the “Company”) increased the size of the Board of Directors (the “Board”) from nine to ten directors and elected Nishan J. Vartanian as a director of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1315257/000095017024014607/0000950170-24-014607-index.htm

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