Sullivan James A. (CIK 1450800) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-02). Recent activity: Buy KOP (19,264 shares), Buy KOP (466 shares), Sell KOP (8,589 shares), Buy KOP (21,724 shares), Buy KOP (12,442 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | Koppers Holdings Inc. (KOP) | President and CTO | Buy | 19,264 | $0 |
| 2026-03-02 | Koppers Holdings Inc. (KOP) | President and CTO | Buy | 466 | $0 |
| 2026-03-02 | Koppers Holdings Inc. (KOP) | President and CTO | Sell | 8,589 | $319,854 |
| 2026-01-06 | Koppers Holdings Inc. (KOP) | President and CTO | Buy | 21,724 | $0 |
| 2026-01-06 | Koppers Holdings Inc. (KOP) | President and CTO | Buy | 12,442 | $0 |
| 2026-01-06 | Koppers Holdings Inc. (KOP) | President and CTO | Buy | 622 | $0 |
| 2026-01-06 | Koppers Holdings Inc. (KOP) | President and CTO | Sell | 13,658 | $367,810 |
Source: SEC Form 4 filings · as of 2026-03-02