Sonja Michelle Wilkerson - Insider Trading & Ownership

Summary
The estimated net worth of Sonja Michelle Wilkerson is at least $886K dollars as of September 17, 2025. Sonja Michelle Wilkerson is the Director of Koppers Holdings Inc. and owns shares of Koppers Holdings Inc. (KOP) stock worth about $886K.
Signature
/s/ Stephanie L. Apostolou, Attorney in Fact
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Ownership of Sonja Michelle Wilkerson

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
KOP Koppers Holdings Inc. Director $886K Sep 15, 2025

Insider Transactions Reported by Sonja Michelle Wilkerson:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.