| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2011-02-11 | Palo Alto Investors, LLC | NORTHERN OIL & GAS, INC. | 1,004,339 | 1.6% | EDGAR |
| SC 13G/A | 2010-11-10 | FMR LLC | NORTHERN OIL & GAS, INC. | 7,692,519 | 14.9% | EDGAR |
| SC 13G | 2010-08-10 | PRICE T ROWE ASSOCIATES INC /MD/ | NORTHERN OIL & GAS, INC. | 5,106,630 | 10.0% | EDGAR |
| SC 13G/A | 2010-05-10 | FMR LLC | NORTHERN OIL & GAS, INC. | 4,637,121 | 9.5% | EDGAR |
| SC 13G/A | 2010-05-10 | GILDER GAGNON HOWE & CO LLC | NORTHERN OIL & GAS, INC. | 1,977,219 | 4.5% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | NORTHERN OIL & GAS, INC. | 6,496,677 | 15.0% | EDGAR |
| SC 13G/A | 2010-02-16 | GILDER GAGNON HOWE & CO LLC | NORTHERN OIL & GAS, INC. | 2,907,431 | 6.7% | EDGAR |
| SC 13G/A | 2010-02-16 | Palo Alto Investors, LLC | NORTHERN OIL & GAS, INC. | 2,571,275 | 5.9% | EDGAR |
| SC 13D/A | 2009-12-22 | REGER MICHAEL LEWIS | NORTHERN OIL & GAS, INC. | 3,949,991 | 9.0% | EDGAR |
| SC 13D/A | 2009-12-22 | GILBERTSON RYAN RANDALL | NORTHERN OIL & GAS, INC. | 918,313 | 2.1% | EDGAR |
| SC 13G | 2009-11-10 | FMR LLC | NORTHERN OIL & GAS, INC. | 5,316,280 | 12.3% | EDGAR |
| SC 13G/A | 2009-06-10 | GILDER GAGNON HOWE & CO LLC | NORTHERN OIL & GAS, INC. | 3,669,977 | 10.8% | EDGAR |
| SC 13G | 2009-04-28 | Palo Alto Investors, LLC | NORTHERN OIL & GAS, INC. | 1,930,700 | 5.7% | EDGAR |
| SC 13G/A | 2009-02-17 | GILDER GAGNON HOWE & CO LLC | NORTHERN OIL & GAS, INC. | 1,761,899 | 5.2% | EDGAR |
| SC 13D/A | 2009-02-13 | GILBERTSON RYAN RANDALL | NORTHERN OIL & GAS, INC. | 2,053,413 | 6.0% | EDGAR |
| SC 13D/A | 2009-02-13 | REGER MICHAEL LEWIS | NORTHERN OIL & GAS, INC. | 4,273,913 | 12.5% | EDGAR |
| SC 13G | 2008-05-12 | GILDER GAGNON HOWE & CO LLC | NORTHERN OIL & GAS, INC. | 1,625,530 | 5.6% | EDGAR |
| SC 13D/A | 2008-03-03 | MILLENNIUM PARTNERS, L.P. | NORTHERN OIL & GAS, INC. | 917,303 | 3.2% | EDGAR |
| SC 13D/A | 2008-02-22 | MILLENNIUM PARTNERS, L.P. | NORTHERN OIL & GAS, INC. | 1,376,607 | 4.8% | EDGAR |
| SC 13D/A | 2008-02-22 | MILLENNIUM PARTNERS, L.P. | NORTHERN OIL & GAS, INC. | 1,376,607 | 4.8% | EDGAR |