News + Filings Key Docs Holdings Ownership
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BlackRock Institutional Trust Company, N.A.
> SWSI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2010 | Superior Well Services, INC | SWSI | 631,924 | 72,559 | 10,566,000 | 3,082,000 | $16.72 |
| 03/31/2010 | Superior Well Services, INC | SWSI | 559,365 | 40,623 | 7,484,000 | 87,000 | $13.38 |
| 12/31/2009 | Superior Well Services, INC | SWSI | 518,742 | 275,322 | 7,397,000 | 1,835,000 | $14.26 |
| 09/30/2009 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 06/30/2009 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 03/31/2009 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 12/31/2008 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 09/30/2008 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 06/30/2008 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 03/31/2008 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 12/31/2007 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 09/30/2007 | Superior Well Services, INC | SWSI | 0 | -243,420 | 0 | -5,562,000 | |
| 06/30/2007 | Superior Well Services, INC | SWSI | 327,081 | 83,661 | 8,311,000 | 2,749,000 | $25.41 |
| 03/31/2007 | Superior Well Services, INC | SWSI | 243,420 | 243,420 | 5,562,000 | 5,562,000 | $22.85 |
| 12/31/2006 | Superior Well Services, INC | SWSI | 269,799 | 269,799 | 6,895,000 | 6,895,000 | $25.56 |
| 09/30/2006 | Superior Well Services, INC | SWSI | 186,386 | 186,386 | 3,689,000 | 3,689,000 | $19.79 |
| 06/30/2006 | Superior Well Services, INC | SWSI | 196,891 | 196,891 | 4,902,000 | 4,902,000 | $24.90 |
| 03/31/2006 | Superior Well Services, INC | SWSI | 86,965 | 86,965 | 2,527,000 | 2,527,000 | $29.06 |
| 12/31/2005 | Superior Well Services, INC | SWSI | 77,468 | 77,468 | 1,840,000 | 1,840,000 | $23.75 |
| 09/30/2005 | Superior Well Services, INC | SWSI | 61,377 | 61,377 | 1,417,000 | 1,417,000 | $23.09 |
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