| $126M | ||
| $85M | ||
| $34M | ||
| $33M | ||
| $32M | ||
| $27M |
Buys | $0 | 0 | 0 |
Sells | $5,617,418 | 11 | 100 |
| Lucas Stephen G | SVP, Culture and Engagement | 0 | $0 | 1 | $58,271 | $-58,271 |
| Pearce Bradley A | CAO | 0 | $0 | 1 | $102,020 | $-102,020 |
| BALL M LEROY | CEO | 0 | $0 | 7 | $1.08M | $-1.08M |
| Sullivan James A. | President and CTO | 0 | $0 | 2 | $4.38M | $-4.38M |
Koppers Holdings Inc., established in 1988 and headquartered in Pittsburgh, Pennsylvania, operates as a global supplier of specialized treated wood products, wood preservation chemicals, and various carbon-based compounds. The company's reach extends across the United States, Australasia, Europe, and other international regions. Its comprehensive business activities are structured into three distinct segments: 1. Railroad and Utility Products and Services (RUPS): This division is responsible for the procurement and treatment of essential timber …
Over the last 12 months, insiders at Koppers Holdings Inc. have bought $0 and sold $5.62M worth of Koppers Holdings Inc. stock.
On average, over the past 5 years, insiders at Koppers Holdings Inc. have bought $1,169 and sold $4.72M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 6 shares for transaction amount of $186 was made by JENSEN TRACI L (director) on 2023‑03‑27.
| 2026-08-31 | Sale | BALL M LEROY | CEO | 4,000 0.021% | $45.96 | $183,840 | -0.61% | |
| 2026-08-19 | Sale | BALL M LEROY | CEO | 3,000 0.0159% | $45.84 | $137,520 | +2.19% | |
| 2026-08-12 | Sale | Lucas Stephen G | SVP, Culture and Engagement | 1,308 0.0067% | $44.55 | $58,271 | +1.19% | |
| 2026-08-11 | Sale | Sullivan James A. | President and CTO | 7,500 0.0424% | $50.00 | $375,000 | -0.28% | |
| 2026-08-10 | Sale | Pearce Bradley A | CAO | 2,000 0.0106% | $51.01 | $102,020 | -9.22% | |
| 2026-08-07 | Sale | Sullivan James A. | President and CTO | 80,000 0.4082% | $50.01 | $4M | -10.46% | |
| 2026-06-18 | Sale | BALL M LEROY | CEO | 3,412 0.0178% | $43.90 | $149,787 | +5.52% | |
| 2026-06-11 | Sale | BALL M LEROY | CEO | 4,141 0.0214% | $41.34 | $171,189 | +11.09% | |
| 2026-05-13 | Sale | BALL M LEROY | CEO | 2,659 0.0138% | $42.55 | $113,140 | +7.27% | |
| 2026-03-17 | Sale | BALL M LEROY | CEO | 2,489 0.0127% | $37.91 | $94,358 | +16.43% | |
| 2026-03-02 | Sale | BALL M LEROY | CEO | 6,275 0.0312% | $36.87 | $231,371 | +19.87% | |
| 2025-08-15 | Sale | BALL M LEROY | CEO | 2,448 0.0128% | $30.48 | $74,615 | +16.30% | |
| 2025-03-19 | Sale | BALL M LEROY | CEO | 3,784 0.0185% | $29.27 | $110,768 | +0.45% | |
| 2024-11-19 | Sale | BALL M LEROY | CEO | 6,000 0.0294% | $37.26 | $223,580 | -19.63% | |
| 2024-11-19 | Sale | Tritch Stephen R | director | 3,533 0.0172% | $37.08 | $131,004 | -19.63% | |
| 2024-11-15 | Sale | BALL M LEROY | CEO | 6,000 0.0286% | $36.74 | $220,458 | -17.35% | |
| 2024-11-14 | Sale | BALL M LEROY | CEO | 5,103 0.025% | $37.77 | $192,740 | -19.75% | |
| 2024-11-13 | Sale | BALL M LEROY | CEO | 4,102 0.0199% | $37.81 | $155,097 | -20.46% | |
| 2024-11-12 | Sale | BALL M LEROY | CEO | 5,000 0.0243% | $37.92 | $189,603 | -20.65% | |
| 2024-11-12 | Sale | Pearce Bradley A | Chief Accounting Officer | 3,000 0.0143% | $37.19 | $111,570 | -20.65% |
| BALL M LEROY | CEO | 429555 2.2714% | $17.96M | 9 | 31 | +24.5% |
| Sullivan James A. | President and CTO | 82898 0.4383% | $3.47M | 4 | 13 | +18.22% |
| Oberbeck Christian L | director | 318578 1.6846% | $13.32M | 1 | 5 | +25.04% |
| Turner Walter W | President and CEO | 230029 1.2163% | $9.62M | 2 | 28 | +6.18% |
| Johnson R. Michael | VP Utility and Industrial Prod | 215787 1.141% | $9.02M | 14 | 0 | <0.0001% |
| CIZIK ROBERT | director | 172964 0.9146% | $7.23M | 1 | 3 | +25.04% |
| McCormack Mark R | VP, Australasian Operations | 84687 0.4478% | $3.54M | 1 | 7 | +25.04% |
| NEUPAVER ALBERT J | director | 65936 0.3487% | $2.76M | 6 | 0 | +23.4% |
| Hyde Leslie S | SVP, Chief Sustainability Offi | 55658 0.2943% | $2.33M | 4 | 18 | +65.59% |
| Tritch Stephen R | director | 47737 0.2524% | $2M | 2 | 2 | +19.74% |
| ZUGAY MICHAEL | CFO and Treasurer | 47643 0.2519% | $1.99M | 2 | 0 | +17.05% |
| McCurrie Brian H | Sr. VP, Business Development | 32994 0.1745% | $1.38M | 1 | 15 | +25.04% |
| Skrovanek Daniel J | VP, Growth & Innovation | 29880 0.158% | $1.25M | 1 | 0 | +15.56% |
| JENSEN TRACI L | director | 21565 0.114% | $901,421.35 | 1 | 0 | +15.56% |
| Sweeney Clayton A | director | 16416 0.0868% | $686,188.80 | 1 | 2 | +25.04% |
| Reeder Stephen C | SVP, Performance Chemicals | 16199 0.0857% | $677,118.20 | 2 | 2 | +28.63% |
| TESTONI LOUIS L | director | 15466 0.0818% | $646,478.80 | 1 | 0 | +54.09% |
| Dowd Joseph P | VP, Zero Harm | 10300 0.0545% | $430,540.00 | 1 | 15 | +44% |
| Evans Donald E | VP, European Operations | 6139 0.0325% | $256,620.28 | 1 | 0 | +74.71% |
| Increased Positions | 88 | +37.13% | 2M | +10.67% |
| Decreased Positions | 101 | -42.62% | 1M | -5.98% |
| New Positions | 21 | New | 1M | New |
| Sold Out Positions | 25 | Sold Out | 284,027 | Sold Out |
| Total Postitions | 224 | -5.49% | 20M | +4.69% |
| Blackrock, Inc. | $97,267.00 | 18.24% | 3.65M | -41,109 | -1.11% | 2025-09-30 |
| Vanguard Group Inc | $41,058.00 | 7.7% | 1.54M | -355,726 | -18.77% | 2025-09-30 |
| Pzena Investment Management Llc | $33,318.00 | 6.25% | 1.25M | +1,240 | +0.1% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $31,428.00 | 5.89% | 1.18M | +58 | +<0.01% | 2025-09-30 |
| Fuller & Thaler Asset Management, Inc. | $29,596.00 | 5.55% | 1.11M | -2,400 | -0.22% | 2025-09-30 |
| Lsv Asset Management | $25,455.00 | 4.77% | 954,431 | +139,600 | +17.13% | 2025-09-30 |
| State Street Corp | $20,524.00 | 3.85% | 769,555 | -7,711 | -0.99% | 2025-09-30 |
| Charles Schwab Investment Management Inc | $14,570.00 | 2.73% | 546,299 | +90,047 | +19.74% | 2025-09-30 |
| Geode Capital Management, Llc | $12,424.00 | 2.33% | 465,831 | +2,678 | +0.58% | 2025-09-30 |
| Quaker Capital Investments, Llc | $11,158.00 | 2.09% | 418,365 | +40,166 | +10.62% | 2025-09-30 |