| 22 sept. 2010 | SALE | Shermen WSC Acquisition Corp | 2 920 754 | 0.13 USD | deriv |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 755 718 | 8.05 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 15 774 | 8.06 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 344 282 | 8.05 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 39 160 | 8.03 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 65 267 | 8.04 USD | |
| 09 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 134 583 | 8.06 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 34 626 | 8.06 USD | |
| 09 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 295 417 | 8.06 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 17 840 | 8.03 USD | |
| 08 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 29 733 | 8.04 USD | |
| 05 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 55 648 | 8.05 USD | |
| 04 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 137 403 | 8.04 USD | |
| 05 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 25 352 | 8.05 USD | |
| 04 juin 2009 | SALE | ADVANCED TECHNOLOGY ACQUISITION CORP. | 62 597 | 8.04 USD | |