| 2011-04-06 | Sale | Quantum Corporation QMCO | director | 136,500 0.0613% | $2.80 | $382,200 | -3.66% | |
| 2011-02-15 | Sale | Quantum Corporation QMCO | director | 85,000 0.0373% | $2.82 | $240,040 | -8.16% | |
| 2010-08-12 | Quantum Corporation QMCO | director | 10,000 0.0042% | $1.13 | $11,300 | +141.94% | ||
| 2010-08-02 | Quantum Corporation QMCO | director | 22,500 0.0105% | $1.66 | $37,350 | +85.19% | ||
| 2009-08-10 | Sale | Quantum Corporation QMCO | director | 27,500 0.0128% | $0.96 | $26,400 | +152.06% |