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SCHEDULE 13DAccepted May 19, 5:33 PM ET

Koppers Holdings Inc. SCHEDULE 13D

Simcoe Capital Management, LLC

Accepted (ET)

5:33 PM

May 19, 2026

Filed

May 19, 2026

Documents

3

Size

42.2 KB

Summary

Summary not available

This filing does not have a written summary yet. You can still open the original filing and its exhibits.