WILKERSON SONJA MICHELLE (CIK 1245155) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-11). Recent activity: Sell KOP (3,533 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-11 | Koppers Holdings Inc. (KOP) | Director | Sell | 3,533 | $0 |
Source: SEC Form 4 filings · as of 2025-03-11