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10-K - Koppers Holdings Inc. | StockGist | StockGist

Companies
KOP
10-K

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Home Filings KOP10-K

10-K

Periodic Report

Koppers Holdings Inc.

Filed Feb 26, 2026

CIK 0001315257

View on SEC.gov Company Profile

Key Facts

Fiscal Year

2025

Period

FY

Period End

Dec 31, 2025

Recent Filings

Koppers Holdings Inc.1 weeks ago

Koppers Holdings Inc.1 months ago

Koppers Holdings Inc.2 months ago

Koppers Holdings Inc.4 months ago

Koppers Holdings Inc.5 months ago

Data Sources

Original SEC Filing SEC EDGAR Company Page

Market

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Concepts

SEC Filings

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Data updates every 5 min
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© 2025–2026 StockGist|Information only, not investment advice