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4/A

FORM 4/A

Company: Koppers Holdings Inc.
Filed: May 22, 2008
Period of Report: May 21, 2008
Accession Number: 0001140361-08-013346

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.