---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-007354"
form_type: "8-K"
ticker: "KOP"
cik: "0001315257"
company_name: "Koppers Holdings Inc."
filed_at: "2023-03-10T23:59:59+00:00"
generated_at: "2026-06-18T05:17:11.722728+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Koppers prices $400M Term Loan B to refinance $500M 6% notes due 2025

## Summary
- 7-year senior secured TLB at adjusted Term SOFR + 4.00% with 50 bps floor.
- Proceeds from TLB plus revolver borrowings to redeem $500M 6.00% Senior Notes due 2025.
- Transaction expected to close in mid-April 2023; extends debt maturity profile.
- CFO cites enhanced balance sheet flexibility and reduced risk as key benefits.

## SEC filing metadata
- accession: 0000950170-23-007354
- form_type: 8-K
- ticker: KOP
- cik: 0001315257
- company_name: Koppers Holdings Inc.
- filed_at: 2023-03-10T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000095017023007354/0000950170-23-007354-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1315257/000095017023007354/kop-20230310.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-007354
- JSON: https://secwatch.observer/filing/0000950170-23-007354.json
- Plain text: https://secwatch.observer/filing/0000950170-23-007354.txt

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