17 insiders reported 91 Form 4 transactions for Koppers Holdings Inc. (KOP) over the past 18 months (most recent 2026-06-23). Recent activity: BALL M LEROY (CEO) Sell 3,412 shares, BALL M LEROY (CEO) Sell 2,659 shares, Pearce Bradley A (Interim CFO and CAO) Buy 5,000 shares, Feng Xudong (Director) Buy 3,280 shares, NEUPAVER ALBERT J (Director) Buy 50 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-23 | BALL M LEROY | CEO | Sell | 3,412 | $149,787 |
| 2026-05-14 | BALL M LEROY | CEO | Sell | 2,659 | $113,140 |
| 2026-05-14 | Pearce Bradley A | Interim CFO and CAO | Buy | 5,000 | $0 |
| 2026-05-11 | Feng Xudong | Director | Buy | 3,280 | $0 |
| 2026-05-11 | NEUPAVER ALBERT J | Director | Buy | 50 | $0 |
| 2026-05-11 | JENSEN TRACI L | Director | Buy | 50 | $0 |
| 2026-05-11 | Vartanian Nishan J. | Director | Buy | 50 | $0 |
| 2026-05-11 | MOTLEY DAVID L | Director | Buy | 50 | $0 |
| 2026-05-11 | Posadas Laura J | Director | Buy | 11 | $0 |
| 2026-05-11 | JENSEN TRACI L | Director | Buy | 3,280 | $0 |
| 2026-05-11 | Vartanian Nishan J. | Director | Buy | 3,280 | $0 |
| 2026-05-11 | Posadas Laura J | Director | Buy | 3,280 | $0 |
| 2026-03-18 | BALL M LEROY | CEO | Sell | 1,200 | $0 |
| 2026-03-18 | BALL M LEROY | CEO | Sell | 2,489 | $94,358 |
| 2026-03-04 | BALL M LEROY | CEO | Sell | 2,184 | $79,782 |
| 2026-03-04 | BALL M LEROY | CEO | Sell | 328 | $12,284 |
| 2026-03-04 | BALL M LEROY | CEO | Sell | 3,763 | $139,306 |
| 2026-03-04 | BALL M LEROY | CEO | Sell | 325 | $0 |
| 2026-03-03 | Lucas Stephen G | SVP, Culture and Engagement | Buy | 5,298 | $0 |
| 2026-03-03 | Lucas Stephen G | SVP, Culture and Engagement | Buy | 127 | $0 |
| 2026-03-03 | Lucas Stephen G | SVP, Culture and Engagement | Sell | 2,536 | $94,441 |
| 2026-03-02 | Lovalekar Tushar | VP, Information Technology | Buy | 2,303 | $0 |
| 2026-03-02 | BALL M LEROY | CEO | Buy | 50,025 | $0 |
| 2026-03-02 | BALL M LEROY | CEO | Buy | 1,215 | $0 |
| 2026-03-02 | BALL M LEROY | CEO | Sell | 22,236 | $828,069 |
Source: SEC Form 4 filings · as of 2026-06-23