| 25 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 93 000 | 1.78 USD | |
| 26 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 47 500 | 1.79 USD | |
| 27 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 235 500 | 1.81 USD | |
| 01 mai 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 31 500 | 1.85 USD | |
| 02 mai 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 31 700 | 1.85 USD | |
| 03 mai 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 10 000 | 1.68 USD | |
| 04 mai 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 26 600 | 1.50 USD | |
| 24 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 80 000 | 1.99 USD | |
| 23 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 285 500 | 2.04 USD | |
| 20 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 88 980 | 1.91 USD | |
| 19 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 67 800 | 1.80 USD | |
| 18 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 5 000 | 1.77 USD | |
| 30 avr. 2007 | SALE | Vision Opportunity Master Fund Ltdentité | 60 000 | 1.90 USD | |