Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-31 Sale | 2026-09-01 4:23 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,000 | $45.96 | $183,840 | 429,355 (Direct) | View |
| 2026-08-19 Sale | 2026-08-20 4:08 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 3,000 | $45.84 | $137,520 | 433,555 (Direct) | View |
| 2026-08-12 Sale | 2026-08-13 5:11 pm | Koppers Holdings Inc. | KOP | Lucas Stephen G SVP, Culture and Engagement | 1,308 | $44.55 | $58,271 | 34,345 (Direct) | View |
| 2026-08-11 Sale | 2026-08-12 6:29 pm | Koppers Holdings Inc. | KOP | Sullivan James A. President and CTO | 7,500 | $50 | $375,000 | 82,898 (Direct) | View |
| 2026-08-10 Sale | 2026-08-11 4:25 pm | Koppers Holdings Inc. | KOP | Pearce Bradley A CAO | 2,000 | $51.01 | $102,020 | 41,037 (Direct) | View |
| 2026-08-07 Sale | 2026-08-11 4:21 pm | Koppers Holdings Inc. | KOP | Sullivan James A. President and CTO | 80,000 | $50.01 | $4,000,921 | 90,398 (Direct) | View |
| 2026-06-18 Sale | 2026-06-23 6:27 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 3,412 | $43.9 | $149,787 | 436,243 (Direct) | View |
| 2026-06-11 Sale | 2026-06-15 4:10 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,141 | $41.34 | $171,189 | 439,655 (Direct) | View |
| 2026-05-13 Sale | 2026-05-14 4:02 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,659 | $42.55 | $113,140 | 444,096 (Direct) | View |
| 2026-03-17 Sale | 2026-03-18 4:27 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,489 | $37.91 | $94,358 | 446,259 (Direct) | View |
| 2026-03-02 Sale | 2026-03-04 4:22 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,275 | $36.87 | $231,371 | 449,948 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-31 Gift | 2026-09-01 4:23 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 200 | $0 | 429,355 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Feng Xudong Director | 34 | $0 | 412 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:07 pm | N/A N/A | Koppers Holdings Inc. | KOP | WILKERSON SONJA MICHELLE Director | 30 | $0 | 356 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | MOTLEY DAVID L Director | 21 | $0 | 296 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:04 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sandifer Andrew D Director | 14 | $0 | 103 (Direct) | View |
| 2026-06-11 Gift | 2026-06-15 4:10 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 300 | $0 | 439,655 (Direct) | View |
| 2026-06-03 Gift | 2026-06-04 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Feng Xudong Director | 5,695 | $0 | 26,489 (Direct) | View |
| 2026-05-26 Option Award | 2026-05-27 4:08 pm | N/A N/A | Koppers Holdings Inc. | KOP | Brenner Eric D. CFO and Treasurer | 6,620 | $0 | 6,620 (Direct) | View |
Ownership | 2026-05-27 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Brenner Eric D. CFO and Treasurer | 0 | $0 | 0 (Direct) | View |
| 2026-05-12 Option Award | 2026-05-14 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Pearce Bradley A Interim CFO and CAO | 5,000 | $0 | 43,037 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | MOTLEY DAVID L Director | 50 | $0 | 35,518 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | MOTLEY DAVID L Director | 3,280 | $0 | 35,518 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | WILKERSON SONJA MICHELLE Director | 3,280 | $0 | 17,976 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sandifer Andrew D Director | 3,280 | $0 | 10,137 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Posadas Laura J Director | 11 | $0 | 5,531 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Posadas Laura J Director | 3,280 | $0 | 5,531 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:10 pm | N/A N/A | Koppers Holdings Inc. | KOP | Feng Xudong Director | 3,280 | $0 | 32,184 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:07 pm | N/A N/A | Koppers Holdings Inc. | KOP | NEUPAVER ALBERT J Director | 50 | $0 | 83,834 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Vartanian Nishan J. Director | 50 | $0 | 10,664 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Vartanian Nishan J. Director | 3,280 | $0 | 10,664 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:01 pm | N/A N/A | Koppers Holdings Inc. | KOP | JENSEN TRACI L Director | 50 | $0 | 35,339 (Direct) | View |
| 2026-05-07 Option Award | 2026-05-11 4:01 pm | N/A N/A | Koppers Holdings Inc. | KOP | JENSEN TRACI L Director | 3,280 | $0 | 35,339 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:20 pm | N/A N/A | Koppers Holdings Inc. | KOP | WILKERSON SONJA MICHELLE Director | 75 | $0 | 626 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:18 pm | N/A N/A | Koppers Holdings Inc. | KOP | Vartanian Nishan J. Director | 50 | $0 | 50 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | Posadas Laura J Director | 11 | $0 | 11 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | MOTLEY DAVID L Director | 75 | $0 | 626 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:11 pm | N/A N/A | Koppers Holdings Inc. | KOP | JENSEN TRACI L Director | 50 | $0 | 50 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Feng Xudong Director | 80 | $0 | 726 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | NEUPAVER ALBERT J Director | 50 | $0 | 50 (Direct) | View |
| 2026-03-23 Option Award | 2026-03-25 4:02 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sandifer Andrew D Director | 55 | $0 | 173 (Direct) | View |
| 2026-03-17 Gift | 2026-03-18 4:27 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,200 | $0 | 446,259 (Direct) | View |
| 2026-03-02 Gift | 2026-03-04 4:22 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 325 | $0 | 449,948 (Direct) | View |
| 2026-02-26 Exercise(A) | 2026-03-03 4:34 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lucas Stephen G SVP, Culture and Engagement | 127 | $0 | 35,984 (Direct) | View |
| 2026-02-26 Tax Withholding(A) | 2026-03-03 4:34 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lucas Stephen G SVP, Culture and Engagement | 2,536 | $37.24 | 35,984 (Direct) | View |
| 2026-02-26 Option Award(A) | 2026-03-03 4:34 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lucas Stephen G SVP, Culture and Engagement | 5,425 | $0 | 35,984 (Direct) | View |
| 2026-02-26 Exercise | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,215 | $0 | 458,671 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 22,236 | $37.24 | 458,671 (Direct) | View |
| 2026-02-26 Option Award | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 51,240 | $0 | 458,671 (Direct) | View |
| 2026-02-26 Exercise | 2026-03-02 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. | 174 | $0 | 63,620 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-03-02 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. | 3,149 | $37.24 | 63,620 (Direct) | View |
| 2026-02-26 Option Award | 2026-03-02 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. | 7,397 | $0 | 63,620 (Direct) | View |
| 2026-02-26 Exercise | 2026-03-02 4:11 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sullivan James A. President and CTO | 466 | $0 | 171,452 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-03-02 4:11 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sullivan James A. President and CTO | 8,589 | $37.24 | 171,452 (Direct) | View |
| 2026-02-26 Option Award | 2026-03-02 4:11 pm | N/A N/A | Koppers Holdings Inc. | KOP | Sullivan James A. President and CTO | 19,730 | $0 | 171,452 (Direct) | View |
| 2026-02-26 Exercise | 2026-03-02 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lovalekar Tushar VP, Information Technology | 53 | $0 | 17,318 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-03-02 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lovalekar Tushar VP, Information Technology | 1,021 | $37.24 | 17,318 (Direct) | View |
| 2026-02-26 Option Award | 2026-03-02 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Lovalekar Tushar VP, Information Technology | 2,356 | $0 | 17,318 (Direct) | View |