| 2018-06-07 | Sale | Koppers Holdings Inc. KOP | SVP, Performance Chemicals | 9,300 0.0438% | $42.48 | $395,064 | -35.57% | |
| 2018-05-09 | Sale | Koppers Holdings Inc. KOP | SVP, Performance Chemicals | 10,000 0.0472% | $39.23 | $392,300 | -28.87% | |
| 2016-11-18 | Koppers Holdings Inc. KOP | SVP, Performance Chemicals | 2,660 0.0129% | $37.72 | $100,335 | +8.48% | ||
| 2016-05-31 | Koppers Holdings Inc. KOP | SVP, Performance Chemicals | 950 0.0046% | $25.19 | $23,931 | +48.76% |