| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| MCHX | EVP of Product Engineering | Feb 01, 2011 | Sale | $9.63 | 10,500 | 101,065 | 155,000 | Feb 02, 2011, 05:18 PM |
| MCHX | EVP of Product Engineering | Jan 31, 2011 | Sale | $9.32 | 7,000 | 65,240 | 165,500 | Feb 02, 2011, 05:18 PM |
| MCHX | EVP of Product Engineering | Jan 24, 2011 | Sale | $9.44 | 5,000 | 47,200 | 172,500 | Jan 26, 2011, 04:27 PM |
| MCHX | EVP of Product Engineering | Jan 18, 2011 | Sale | $9.66 | 5,000 | 48,300 | 177,500 | Jan 20, 2011, 04:39 PM |
| MCHX | EVP of Product Engineering | Jan 10, 2011 | Sale | $9.34 | 5,000 | 46,702 | 182,500 | Jan 12, 2011, 04:32 PM |
| MCHX | EVP of Product Engineering | Jan 03, 2011 | Sale | $9.48 | 17,500 | 165,826 | 187,500 | Jan 05, 2011, 04:38 PM |
| MCHX | EVP of Product Engineering | Dec 20, 2010 | Option Exercise | $0.01 | 25,000 | 250 | 205,000 | Dec 22, 2010, 04:37 PM |
| MCHX | EVP of Product Engineering | Aug 06, 2010 | Sale | $5.00 | 10,000 | 50,000 | 180,000 | Aug 10, 2010, 04:49 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| MCHX | EVP of Product Engineering | Feb 01, 2011 | Sale | 101,065 |
| MCHX | EVP of Product Engineering | Jan 31, 2011 | Sale | 65,240 |
| MCHX | EVP of Product Engineering | Jan 24, 2011 | Sale | 47,200 |
| MCHX | EVP of Product Engineering | Jan 18, 2011 | Sale | 48,300 |
| MCHX | EVP of Product Engineering | Jan 10, 2011 | Sale | 46,702 |
| MCHX | EVP of Product Engineering | Jan 03, 2011 | Sale | 165,826 |
| MCHX | EVP of Product Engineering | Dec 20, 2010 | Option Exercise | 250 |
| MCHX | EVP of Product Engineering | Aug 06, 2010 | Sale | 50,000 |