SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | IMPAX LABORATORIES INC | 7,166,957 | 11.6% | EDGAR |
SC 13G/A | 2010-02-12 | Visium Asset Management, LP | IMPAX LABORATORIES INC | 0 | 0.0% | EDGAR |
SC 13G | 2010-01-29 | BlackRock Inc. | IMPAX LABORATORIES INC | 4,312,278 | 7.0% | EDGAR |
SC 13G/A | 2009-08-07 | PEQUOT CAPITAL MANAGEMENT INC | IMPAX LABORATORIES INC | 0 | 0.0% | EDGAR |
SC 13G/A | 2009-06-30 | ACCIPITER CAPITAL MANAGEMENT, LLC | IMPAX LABORATORIES INC | 140,385 | 0.2% | EDGAR |
SC 13G/A | 2009-02-17 | WELLINGTON MANAGEMENT CO LLP | IMPAX LABORATORIES INC | 7,946,361 | 13.4% | EDGAR |
SC 13G/A | 2009-02-17 | ACCIPITER CAPITAL MANAGEMENT, LLC | IMPAX LABORATORIES INC | 720,580 | 1.2% | EDGAR |
SC 13G/A | 2009-02-13 | PEQUOT CAPITAL MANAGEMENT INC | IMPAX LABORATORIES INC | 5,399,800 | 9.1% | EDGAR |
SC 13G/A | 2009-02-13 | Visium Asset Management, LP | IMPAX LABORATORIES INC | 5,518,033 | 9.4% | EDGAR |
SC 13G/A | 2008-02-14 | SAC CAPITAL ADVISORS LLC | IMPAX LABORATORIES INC | 225,170 | 0.4% | EDGAR |
SC 13G/A | 2008-02-14 | WELLINGTON MANAGEMENT CO LLP | IMPAX LABORATORIES INC | 7,967,761 | 13.6% | EDGAR |
SC 13G/A | 2008-02-12 | PEQUOT CAPITAL MANAGEMENT INC | IMPAX LABORATORIES INC | 6,330,300 | 10.8% | EDGAR |
SC 13G | 2008-02-01 | ACCIPITER CAPITAL MANAGEMENT, LLC | IMPAX LABORATORIES INC | 708,108 | 1.2% | EDGAR |
SC 13G/A | 2007-10-23 | Visium Balanced Fund LP | IMPAX LABORATORIES INC | 973,910 | 1.7% | EDGAR |
SC 13G | 2007-09-10 | PEQUOT CAPITAL MANAGEMENT INC | IMPAX LABORATORIES INC | 5,892,500 | 10.1% | EDGAR |
SC 13G | 2007-08-28 | Visium Balanced Fund LP | IMPAX LABORATORIES INC | 853,214 | 1.5% | EDGAR |
SC 13G/A | 2007-02-14 | SAC CAPITAL ADVISORS LLC | IMPAX LABORATORIES INC | 2,859,000 | 4.9% | EDGAR |
SC 13G/A | 2007-02-14 | WELLINGTON MANAGEMENT CO LLP | IMPAX LABORATORIES INC | 7,724,715 | 13.2% | EDGAR |
SC 13G/A | 2007-02-14 | SMITHFIELD FIDUCIARY LLC | IMPAX LABORATORIES INC | - | 0.1% | EDGAR |
SC 13G/A | 2007-02-14 | GREENLIGHT CAPITAL LLC | IMPAX LABORATORIES INC | 0 | 0.0% | EDGAR |