| 2013-03-13 | Primoris Services Corporation PRIM | 4,538 0.0048% | $11.02 | $50,009 | +18.89% | |||
| 2012-03-15 | Primoris Services Corporation PRIM | 4,509 0.006% | $11.09 | $50,005 | -13.27% | |||
| 2011-03-10 | Primoris Services Corporation PRIM | 5,507 0.0087% | $6.81 | $37,503 | +42.08% |