---
schema_version: "secwatch.filing_event.v1"
accession: "0001315257-26-000017"
form_type: "8-K/A"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2026-03-18T23:59:59+00:00"
generated_at: "2026-05-15T09:50:07.577960+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Koppers enters transition agreement with departing CFO Jimmi Sue Smith; details separation payments

## Summary
- CFO Jimmi Sue Smith retired Jan 5, 2026; continues as Treasurer through Feb 28, 2026.
- Transition agreement signed March 9, 2026, effective March 17, covering transition services through Feb 28, 2027.
- Smith to receive $440,000 over transition period, plus 2025 annual cash incentive based on performance.
- Additional lump sums: $123,400 for equity awards vesting value and $330,000 for target 2026 annual cash incentive.
- Payments conditioned on release of claims and transition services.

## SEC filing metadata
- accession: 0001315257-26-000017
- form_type: 8-K/A
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2026-03-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000131525726000017/0001315257-26-000017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000131525726000017/kop-20260105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001315257-26-000017
- JSON: https://secwatch.observer/filing/0001315257-26-000017.json
- Plain text: https://secwatch.observer/filing/0001315257-26-000017.txt

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