| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| MRX | $26.70 | 95,900 | | 870,557 | 2010-08-13 | Filing |
| MRX | $26.50 | 304,100 | | 966,457 | 2010-08-12 | Filing |
| MRX | $15.36 | 105,293 | | 1,166,613 | 2009-05-18 | Filing |
| MRX | $15.24 | 394,040 | | 1,216,901 | 2009-05-15 | Filing |
| MRX | $15.41 | 2,496 | | 1,370,378 | 2009-05-14 | Filing |