| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2012-02-14 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 10,496,109 | 8.9% | EDGAR |
| SC 13G/A | 2012-01-10 | BlackRock Inc. | WHITING PETROLEUM CORP | 11,855,907 | 10.1% | EDGAR |
| SC 13G/A | 2011-12-12 | FMR LLC | WHITING PETROLEUM CORP | 4,947,043 | 4.2% | EDGAR |
| SC 13G | 2011-11-10 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 12,040,998 | 10.3% | EDGAR |
| SC 13G/A | 2011-08-08 | BlackRock Inc. | WHITING PETROLEUM CORP | 11,975,095 | 10.2% | EDGAR |
| SC 13G/A | 2011-02-16 | GEORGE KAISER FAMILY FOUNDATION | WHITING PETROLEUM CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | WHITING PETROLEUM CORP | 6,403,905 | 10.9% | EDGAR |
| SC 13G/A | 2011-02-11 | GOLDMAN SACHS ASSET MANAGEMENT LP | WHITING PETROLEUM CORP | 1,288,217 | 2.2% | EDGAR |
| SC 13G/A | 2011-02-09 | BlackRock Inc. | WHITING PETROLEUM CORP | 5,303,203 | 9.1% | EDGAR |
| SC 13G/A | 2010-11-10 | FMR LLC | WHITING PETROLEUM CORP | 6,187,694 | 10.6% | EDGAR |
| SC 13G/A | 2010-11-10 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 2,233,013 | 3.8% | EDGAR |
| SC 13G/A | 2010-09-10 | FMR LLC | WHITING PETROLEUM CORP | 4,804,727 | 9.4% | EDGAR |
| SC 13G/A | 2010-06-10 | BlackRock Inc. | WHITING PETROLEUM CORP | 5,835,717 | 11.5% | EDGAR |
| SC 13G/A | 2010-02-16 | GEORGE KAISER FAMILY FOUNDATION | WHITING PETROLEUM CORP | 2,812,496 | 5.5% | EDGAR |
| SC 13G | 2010-02-16 | FMR LLC | WHITING PETROLEUM CORP | 3,058,168 | 6.0% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 4,513,464 | 8.9% | EDGAR |
| SC 13G | 2010-02-12 | GOLDMAN SACHS ASSET MANAGEMENT LP | WHITING PETROLEUM CORP | 3,411,863 | 6.7% | EDGAR |
| SC 13G | 2010-02-12 | RAINIER INVESTMENT MANAGEMENT INC/ | WHITING PETROLEUM CORP | 455,000 | 0.9% | EDGAR |
| SC 13G/A | 2010-02-10 | WELLS FARGO & CO/MN | WHITING PETROLEUM CORP | 146,846 | 4.3% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | WHITING PETROLEUM CORP | 3,957,325 | 7.8% | EDGAR |