Cite Filings / KOP / 0001127602-22-011817

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3

Initial Statement of Ownership

Koppers Holdings Inc. Filed 2022-04-11 Acc 0001127602-22-011817

Documents 1

3 Initial Statement of Ownership , xslF345X02/form3.xml

Around this filing

2022-06-14 3 Initial Statement of Ownership
2022-04-13 4 Changes in Ownership
2022-04-11 3 Initial Statement of Ownership
2022-04-04 DEF 14A Proxy Statement
2022-03-04 3 Initial Statement of Ownership

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