| SC 13G/A | 2013-02-14 | CITADEL ADVISORS LLC | SUPERIOR ENERGY SERVICES INC | - | 2.0% | EDGAR |
| SC 13G | 2013-02-14 | FMR LLC | SUPERIOR ENERGY SERVICES INC | 11,547,729 | 7.3% | EDGAR |
| SC 13G/A | 2013-02-11 | VANGUARD GROUP INC | SUPERIOR ENERGY SERVICES INC | 7,206,766 | 4.6% | EDGAR |
| SC 13G | 2013-02-11 | VANGUARD GROUP INC | SUPERIOR ENERGY SERVICES INC | 1,402,866 | 5.1% | EDGAR |
| SC 13G/A | 2013-02-07 | Invesco Ltd. | SUPERIOR ENERGY SERVICES INC | 2,467,422 | 1.6% | EDGAR |
| SC 13G/A | 2013-02-05 | BlackRock Inc. | SUPERIOR ENERGY SERVICES INC | 10,349,121 | 6.6% | EDGAR |
| SC 13G | 2012-10-03 | SAC Capital Advisors LP | SUPERIOR ENERGY SERVICES INC | 7,711,426 | 4.9% | EDGAR |
| SC 13G/A | 2012-05-10 | LORD, ABBETT & CO. LLC | SUPERIOR ENERGY SERVICES INC | 7,206,918 | 4.6% | EDGAR |
| SC 13G/A | 2012-03-12 | FMR LLC | SUPERIOR ENERGY SERVICES INC | 5,369,277 | 3.4% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | SUPERIOR ENERGY SERVICES INC | 7,162,404 | 9.0% | EDGAR |
| SC 13G/A | 2012-02-14 | LORD, ABBETT & CO. LLC | SUPERIOR ENERGY SERVICES INC | 7,250,566 | 9.1% | EDGAR |
| SC 13G/A | 2012-02-14 | CITADEL ADVISORS LLC | SUPERIOR ENERGY SERVICES INC | - | 7.2% | EDGAR |
| SC 13G | 2012-02-14 | Invesco Ltd. | SUPERIOR ENERGY SERVICES INC | 4,002,309 | 5.0% | EDGAR |
| SC 13G/A | 2012-02-10 | BlackRock Inc. | SUPERIOR ENERGY SERVICES INC | 5,826,063 | 7.3% | EDGAR |
| SC 13G | 2012-02-08 | VANGUARD GROUP INC | SUPERIOR ENERGY SERVICES INC | 4,299,965 | 5.4% | EDGAR |
| SC 13G | 2011-12-16 | CITADEL ADVISORS LLC | SUPERIOR ENERGY SERVICES INC | - | 5.7% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | SUPERIOR ENERGY SERVICES INC | 9,788,050 | 12.4% | EDGAR |
| SC 13G | 2011-02-14 | LORD ABBETT & CO LLC | SUPERIOR ENERGY SERVICES INC | 5,907,190 | 7.5% | EDGAR |
| SC 13G/A | 2011-02-08 | BlackRock Inc. | SUPERIOR ENERGY SERVICES INC | 6,632,612 | 8.4% | EDGAR |
| SC 13G/A | 2010-04-09 | LORD ABBETT & CO LLC | SUPERIOR ENERGY SERVICES INC | 2,558,353 | 3.3% | EDGAR |