| 2009-03-12 | Sale | Cabot Corporation CBT | 10 percent owner | 89,500 0.1397% | $8.97 | $802,815 | +131.96% | |
| 2008-10-07 | Sale | Cabot Corporation CBT | 10 percent owner | 208,400 0.3559% | $29.06 | $6.06M | -39.05% | |
| 2008-10-06 | Sale | Cabot Corporation CBT | 10 percent owner | 117,700 0.1835% | $28.84 | $3.39M | -43.93% |