| SC 13G/A | 2009-02-13 | PERELMAN RONALD O | NEPHROS INC | 389,841 | 1.0% | EDGAR |
| SC 13G | 2009-01-08 | AFS Holdings One LLC | NEPHROS INC | 3,150,597 | 8.3% | EDGAR |
| SC 13D/A | 2008-12-29 | Enso Capital Management LLC | NEPHROS INC | 5,395,427 | 13.5% | EDGAR |
| SC 13D/A | 2008-11-18 | Enso Capital Management LLC | NEPHROS INC | 5,395,427 | 13.5% | EDGAR |
| SC 13D/A | 2008-08-21 | Stagg Capital Group LLC | NEPHROS INC | 3,749,558 | 9.8% | EDGAR |
| SC 13D | 2008-06-10 | Enso Capital Management LLC | NEPHROS INC | 7,058,677 | 17.7% | EDGAR |
| SC 13D/A | 2008-05-30 | Southpaw Asset Management LP | NEPHROS INC | 1,424,214 | 5.5% | EDGAR |
| SC 13D | 2007-10-23 | 3V Capital Management LLC | NEPHROS INC | 4,331,008 | 11.5% | EDGAR |
| SC 13D | 2007-10-17 | Southpaw Credit Opportunity Master Fund, L.P. | NEPHROS INC | 2,887,339 | 7.6% | EDGAR |
| SC 13D | 2007-10-05 | Enso Global Equities Master Partnership LP | NEPHROS INC | 5,099,150 | 12.9% | EDGAR |
| SC 13D | 2007-10-01 | WEXFORD CAPITAL LLC | NEPHROS INC | 21,246,459 | 47.4% | EDGAR |
| SC 13G/A | 2007-02-12 | DRAPKIN DONALD G | NEPHROS INC | 655,758 | 5.3% | EDGAR |
| SC 13G/A | 2007-02-09 | ROSE ERIC A MD | NEPHROS INC | 905,192 | 7.3% | EDGAR |
| SC 13G/A | 2006-02-13 | ROSE ERIC A MD | NEPHROS INC | 891,642 | 7.2% | EDGAR |
| SC 13G | 2006-02-13 | DRAPKIN DONALD G | NEPHROS INC | 645,759 | 5.2% | EDGAR |
| SC 13G | 2005-02-11 | Wasserstein Bruce | NEPHROS INC | 918,801 | 7.6% | EDGAR |
| SC 13G | 2005-01-31 | ROSE ERIC A MD | NEPHROS INC | 848,080 | 6.9% | EDGAR |
| SC 13G | 2005-01-31 | PERELMAN RONALD O | NEPHROS INC | 3,540,438 | 29.2% | EDGAR |