| Date Filed | Type | Description |
| 02/12/2007 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/13/2006 |
SC 13G
| DRAPKIN DONALD G reports a 5.2% stake in Nephros, Inc. |
| 07/11/2003 |
SC 13D/A
| DRAPKIN DONALD G reports a 10.9% stake in SIGA Technologies, Inc. |
| 05/14/2001 |
SC 13D/A
| DRAPKIN DONALD G reports a 8.9% stake in Siga Technologies, Inc. |
| 12/08/2000 |
SC 13D/A
| DRAPKIN DONALD G reports a 9.7% stake in DEPOMED, INC. |
| 11/16/2000 |
SC 13D/A
| DRAPKIN DONALD G reports a 8.3% stake in DEPOMED, INC. |
| 10/23/2000 |
SC 13D/A
| DRAPKIN DONALD G reports a 7.2% stake in DEPOMED, INC. |
| 10/13/2000 |
SC 13D
| DRAPKIN DONALD G reports a 5.9% stake in DEPOMED, INC. |
| 04/11/2000 |
SC 13G
| DRAPKIN DONALD G reports a 5% stake in Pure World, Inc. |
| 02/16/2000 |
SC 13G
| DRAPKIN DONALD G reports a 9.8% stake in SIGA TECHNOLOGIES, INC. |
| 01/05/2000 |
SC 13G/A
| DRAPKIN DONALD G reports a 0% stake in LIGHTPATH TECHNOLOGIES, INC. |
| 09/23/1999 |
SC 13G
| DRAPKIN DONALD G reports a 8% stake in LIGHTPATH TECHNOLOGIES, INC. |
| 05/10/1999 |
SC 13G
| DRAPKIN DONALD G reports a 15.2% stake in Healthcore Medical Solutions Inc. |