Koppers Holdings INC. (KOP) — 8-K/A Filings
All 8-K/A filings from Koppers Holdings INC.. Browse 2 Amended Current Event Report reports with AI-powered summaries and risk analysis.
8-K/A Filings (2)
- 8-K/A Filing — Dec 3, 2025
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Koppers Holdings Inc. Files 8-K/A Amendment
— May 2, 2024 Risk: low
Koppers Holdings Inc. filed an amendment (8-K/A) on May 02, 2024, to report on the departure of Director Robert W. Bauer and the election of new Director Michae
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