| 2008-05-15 | Sale | Quanta Services, Inc. PWR | director | 227,067 0.1315% | $29.68 | $6.74M | -25.62% | |
| 2008-05-07 | Sale | Quanta Services, Inc. PWR | director | 33,396 0.0197% | $28.50 | $951,786 | -20.12% | |
| 2008-05-01 | Sale | Quanta Services, Inc. PWR | director | 18,900 0.0109% | $26.38 | $498,601 | -15.27% | |
| 2008-04-02 | Sale | Quanta Services, Inc. PWR | director | 18,900 0.011% | $24.75 | $467,775 | -4.73% | |
| 2008-04-01 | Sale | Quanta Services, Inc. PWR | director | 10,100 0.006% | $24.75 | $249,975 | -2.25% | |
| 2008-02-21 | Sale | Quanta Services, Inc. PWR | director | 18,900 0.0113% | $24.75 | $467,775 | +1.41% | |
| 2008-01-02 | Sale | Quanta Services, Inc. PWR | director | 18,900 0.0112% | $26.13 | $493,941 | -4.46% | |
| 2007-12-03 | Sale | Quanta Services, Inc. PWR | director | 18,900 0.014% | $27.56 | $520,831 | -5.7% | |
| 2007-11-29 | Sale | Quanta Services, Inc. PWR | director | 2,975 0.0022% | $27.23 | $81,017 | -5.22% | |
| 2007-11-01 | Sale | Quanta Services, Inc. PWR | director | 15,924 0.0117% | $32.19 | $512,614 | -17.65% | |
| 2007-10-01 | Sale | Quanta Services, Inc. PWR | director | 14,176 0.0103% | $26.60 | $377,119 | +3.13% | |
| 2007-09-13 | Sale | Quanta Services, Inc. PWR | director | 14,177 0.0105% | $26.60 | $377,060 | +3.87% |