| 2004-04-28 | Sale | Matrix Service Company MTRX | CEO | 32,896 0.0338% | $1.89 | $62,190 | -38.07% | |
| 2004-02-03 | Sale | Matrix Service Company MTRX | CEO | 29,636 0.1719% | $12.00 | $355,632 | -32.92% | |
| 2003-11-24 | Sale | Matrix Service Company MTRX | CEO | 50,000 0.0438% | $2.19 | $109,400 | -30.87% | |
| 2003-10-29 | Sale | Matrix Service Company MTRX | CEO | 7,000 0.0876% | $26.32 | $184,240 | -12.5% | |
| 2003-10-28 | Sale | Matrix Service Company MTRX | CEO | 6,808 0.0138% | $4.25 | $28,934 | -12.07% | |
| 2003-10-27 | Sale | Matrix Service Company MTRX | CEO | 52,808 0.0987% | $3.78 | $199,667 | -8.12% |