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SC 13G/A

Amended Statement of Ownership

Koppers Holdings Inc. Filed 2020-02-04 Acc 0000834237-20-002279

Documents 1

SC 13G/A Amended Statement of Ownership , us50060p1066_020320.txt

Around this filing

2020-02-12 SC 13G/A Amended Statement of Ownership
2020-02-04 SC 13G/A Amended Statement of Ownership
2020-01-31 5 Annual Insider Trading Report
2019-09-26 SC 13G/A Amended Statement of Ownership

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