Cite Filings / KOP / 0000834237-22-003221

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SC 13G/A

Amended Statement of Ownership

Koppers Holdings Inc. Filed 2022-01-28 Acc 0000834237-22-003221

Documents 1

SC 13G/A Amended Statement of Ownership , us50060p1066_012822.txt

Around this filing

2022-02-08 SC 13G/A Amended Statement of Ownership
2022-01-28 SC 13G/A Amended Statement of Ownership
2022-01-25 5 Annual Insider Trading Report
2021-02-11 SC 13G/A Amended Statement of Ownership

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