Cite Filings / KOP / 0000950170-23-070486

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4

Changes in Ownership

Koppers Holdings Inc. Filed 2023-12-14 Acc 0000950170-23-070486

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4 Changes in Ownership , xslF345X05/ownership.xml

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2023-12-15 4 Changes in Ownership
2023-12-14 4 Changes in Ownership
2023-12-14 4 Changes in Ownership
2023-12-14 4 Changes in Ownership
2023-12-14 4 Changes in Ownership
2023-12-14 4 Changes in Ownership
2023-12-14 4 Changes in Ownership

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