Sonja Michelle Wilkerson
Director · 4 filings · Latest: Sep 14, 2026
Koppers Holdings Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
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Director · 4 filings · Latest: Sep 14, 2026
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|