Cite Filings / KOP / 0001209191-23-020535

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3

Initial Statement of Ownership

Koppers Holdings Inc. Filed 2023-03-22 Acc 0001209191-23-020535

Documents 1

3 Initial Statement of Ownership , xslF345X02/doc3.xml

Around this filing

2024-02-14 3 Initial Statement of Ownership
2023-03-29 4 Changes in Ownership
2023-03-29 4 Changes in Ownership
2023-03-22 4 Changes in Ownership
2023-03-22 3 Initial Statement of Ownership
2023-03-22 8-K Executive or director change
2022-06-14 3 Initial Statement of Ownership

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