| 2008-08-08 | Sale | Quanta Services, Inc. PWR | Pre.-Elec. Pwr. & Gas Div. | 50,000 0.0289% | $35.00 | $1.75M | -38.7% | |
| 2007-06-01 | Sale | Quanta Services, Inc. PWR | Pre.-Elec. Pwr. & Gas Div. | 19,500 0.0161% | $30.14 | $587,636 | -13.65% | |
| 2007-05-31 | Sale | Quanta Services, Inc. PWR | Pre.-Elec. Pwr. & Gas Div. | 80,500 0.0681% | $30.12 | $2.42M | -11.66% | |
| 2007-05-09 | Sale | Quanta Services, Inc. PWR | Pre.-Elec. Pwr. & Gas Div. | 295,300 0.2477% | $29.21 | $8.63M | -9.7% | |
| 2007-05-08 | Sale | Quanta Services, Inc. PWR | Pre.-Elec. Pwr. & Gas Div. | 204,700 0.1728% | $29.02 | $5.94M | -8.52% |