17 insiders reported 98 Form 4 transactions for Koppers Holdings Inc. (KOP) over the past 18 months (most recent 2026-09-01). Recent activity: BALL M LEROY (CEO) Sell 4,000 shares, BALL M LEROY (CEO) Sell 200 shares, BALL M LEROY (CEO) Sell 3,000 shares, Lucas Stephen G (SVP, Culture and Engagement) Sell 1,308 shares, Sullivan James A. (President and CTO) Sell 7,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-01 | BALL M LEROY | CEO | Sell | 4,000 | $183,840 |
| 2026-09-01 | BALL M LEROY | CEO | Sell | 200 | $0 |
| 2026-08-20 | BALL M LEROY | CEO | Sell | 3,000 | $137,520 |
| 2026-08-13 | Lucas Stephen G | SVP, Culture and Engagement | Sell | 1,308 | $58,271 |
| 2026-08-12 | Sullivan James A. | President and CTO | Sell | 7,500 | $375,000 |
| 2026-08-11 | Sullivan James A. | President and CTO | Sell | 79,900 | $4.0M |
| 2026-08-11 | Pearce Bradley A | CAO | Sell | 2,000 | $102,020 |
| 2026-08-11 | Sullivan James A. | President and CTO | Sell | 100 | $5,122 |
| 2026-06-23 | BALL M LEROY | CEO | Sell | 3,412 | $149,787 |
| 2026-06-15 | BALL M LEROY | CEO | Sell | 4,141 | $171,189 |
| 2026-06-15 | BALL M LEROY | CEO | Sell | 300 | $0 |
| 2026-06-04 | Feng Xudong | Director | Sell | 5,695 | $0 |
| 2026-05-27 | Brenner Eric D. | CFO and Treasurer | Buy | 6,620 | $0 |
| 2026-05-14 | Pearce Bradley A | Interim CFO and CAO | Buy | 5,000 | $0 |
| 2026-05-14 | BALL M LEROY | CEO | Sell | 2,659 | $113,140 |
| 2026-05-11 | Feng Xudong | Director | Buy | 3,280 | $0 |
| 2026-05-11 | MOTLEY DAVID L | Director | Buy | 50 | $0 |
| 2026-05-11 | Vartanian Nishan J. | Director | Buy | 50 | $0 |
| 2026-05-11 | Vartanian Nishan J. | Director | Buy | 3,280 | $0 |
| 2026-05-11 | Posadas Laura J | Director | Buy | 11 | $0 |
| 2026-05-11 | Posadas Laura J | Director | Buy | 3,280 | $0 |
| 2026-05-11 | JENSEN TRACI L | Director | Buy | 50 | $0 |
| 2026-05-11 | JENSEN TRACI L | Director | Buy | 3,280 | $0 |
| 2026-05-11 | NEUPAVER ALBERT J | Director | Buy | 50 | $0 |
| 2026-03-18 | BALL M LEROY | CEO | Sell | 2,489 | $94,358 |
来源：SEC Form 4 申报文件 · 截至 2026-09-01