| 2018-09-18 | Sale | Matrix Service Company MTRX | director | 15,526 0.0579% | $24.71 | $383,657 | -19.15% | |
| 2018-09-17 | Sale | Matrix Service Company MTRX | director | 19,274 0.0739% | $25.34 | $488,324 | -18.94% | |
| 2014-03-19 | Sale | Matrix Service Company MTRX | director | 10,000 0.0241% | $21.54 | $215,410 | -26.18% | |
| 2013-09-19 | Sale | Matrix Service Company MTRX | director | 13,742 0.0519% | $17.90 | $245,924 | +57.27% | |
| 2004-08-06 | Matrix Service Company MTRX | director | 1,000 0.0057% | $7.14 | $7,140 | -25.9% |