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Home / Koppers Holdings Inc. / Filings / 8-K/A

8-K/A XBRL

8-K/A

Company: Koppers Holdings Inc.
Filed: May 4, 2023
Period of Report: May 4, 2023
Accession Number: 0000950170-23-017934

View Document ↗ View on SEC.gov ↗

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 months ago.