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RENAISSANCE TECHNOLOGIES LLC
> MBRK
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2010 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 720,900 | 581,100 | 216,000 | 145,000 | $0.30 |
| 12/31/2009 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 139,800 | 139,800 | 71,000 | 71,000 | $0.51 |
| 06/30/2008 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 0 | -90,800 | 0 | -364,000 | |
| 03/31/2008 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 90,800 | 90,800 | 364,000 | 364,000 | $4.01 |
| 09/30/2007 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 0 | -150,500 | 0 | -381,000 | |
| 06/30/2007 | MiddleBrook Pharmaceuticals, Inc. | MBRK | 150,500 | 150,500 | 381,000 | 381,000 | $2.53 |
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