| SC 13G/A | 2016-02-03 | JENNISON ASSOCIATES LLC | Laredo Petroleum, Inc. | 4,592,075 | 2.2% | EDGAR |
| SC 13G/A | 2015-12-10 | WELLINGTON MANAGEMENT GROUP LLP | Laredo Petroleum, Inc. | 7,550,988 | 3.5% | EDGAR |
| SC 13G/A | 2015-06-08 | WELLINGTON MANAGEMENT GROUP LLP | Laredo Petroleum, Inc. | 18,945,448 | 8.9% | EDGAR |
| SC 13G | 2015-05-26 | SPO ADVISORY CORP | Laredo Petroleum, Inc. | 12,468,500 | 5.8% | EDGAR |
| SC 13G | 2015-04-10 | WELLINGTON MANAGEMENT GROUP LLP | Laredo Petroleum, Inc. | 29,743,743 | 13.9% | EDGAR |
| SC 13D/A | 2015-03-27 | Warburg Pincus Private Equity IX, L.P. | Laredo Petroleum, Inc. | 46,215,059 | 21.8% | EDGAR |
| SC 13D | 2015-03-09 | Warburg Pincus Private Equity IX, L.P. | Laredo Petroleum, Inc. | 46,215,059 | 21.8% | EDGAR |
| SC 13G/A | 2015-02-25 | SailingStone Capital Partners LLC | Laredo Petroleum, Inc. | 15,627,059 | 10.9% | EDGAR |
| SC 13G/A | 2015-02-13 | BALYASNY ASSET MANAGEMENT LLC | Laredo Petroleum, Inc. | 2,988,119 | 2.1% | EDGAR |
| SC 13G | 2015-02-13 | PRUDENTIAL FINANCIAL INC | Laredo Petroleum, Inc. | 9,435,081 | 6.6% | EDGAR |
| SC 13G/A | 2015-02-12 | RS INVESTMENT MANAGEMENT CO LLC | Laredo Petroleum, Inc. | 5,110,634 | 3.6% | EDGAR |
| SC 13G | 2015-02-09 | JENNISON ASSOCIATES LLC | Laredo Petroleum, Inc. | 9,503,580 | 6.6% | EDGAR |
| SC 13G/A | 2015-01-08 | SailingStone Capital Partners LLC | Laredo Petroleum, Inc. | 15,621,109 | 10.9% | EDGAR |
| SC 13G | 2014-12-18 | BALYASNY ASSET MANAGEMENT LLC | Laredo Petroleum, Inc. | 3,016,734 | 2.1% | EDGAR |
| SC 13G | 2014-11-06 | SailingStone Capital Partners LLC | Laredo Petroleum, Inc. | 16,042,726 | 11.2% | EDGAR |
| SC 13G/A | 2014-05-13 | Warburg Pincus Private Equity IX, L.P. | Laredo Petroleum, Inc. | 46,215,059 | 32.2% | EDGAR |
| SC 13G/A | 2014-03-05 | Warburg Pincus Private Equity IX, L.P. | Laredo Petroleum, Inc. | 50,255,043 | 35.2% | EDGAR |
| SC 13G/A | 2014-02-14 | RS INVESTMENT MANAGEMENT CO LLC | Laredo Petroleum, Inc. | 10,893,233 | 7.6% | EDGAR |
| SC 13G/A | 2014-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | Laredo Petroleum, Inc. | 1,885,030 | 1.3% | EDGAR |
| SC 13G/A | 2013-11-26 | Warburg Pincus Private Equity IX, L.P. | Laredo Petroleum Holdings, Inc. | 55,855,020 | 39.2% | EDGAR |