Sonja Michelle Wilkerson
Director · 3 filings · Latest: Jun 15, 2026
Koppers Holdings Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|
Director · 3 filings · Latest: Jun 15, 2026
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|