| SC 13G/A | 2005-02-15 | KENNEDY CAPITAL MANAGEMENT INC | STAMPS.COM INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2005-02-15 | PASSPORT MANAGEMENT LLC | STAMPS.COM INC | 1,247,014 | 5.5% | EDGAR |
| SC 13G/A | 2005-02-14 | DOUGLAS KEVIN | STAMPS.COM INC | 1,708,450 | 7.5% | EDGAR |
| SC 13G/A | 2004-12-10 | STRONG CAPITAL MANAGEMENT INC ET AL | STAMPS.COM INC | 275,720 | 1.2% | EDGAR |
| SC 13G/A | 2004-04-19 | PASSPORT MANAGEMENT LLC | STAMPS COM INC | 2,093,787 | 4.7% | EDGAR |
| SC 13G | 2004-02-17 | STRONG CAPITAL MANAGEMENT INC ET AL | STAMPS COM INC | 2,816,988 | 6.3% | EDGAR |
| SC 13G/A | 2004-02-13 | DOUGLAS KEVIN | STAMPS COM INC | 2,861,900 | 6.4% | EDGAR |
| SC 13G | 2004-02-13 | KENNEDY CAPITAL MANAGEMENT INC | STAMPS COM INC | 2,764,675 | 6.2% | EDGAR |
| SC 13G | 2004-01-15 | PASSPORT HOLDINGS LLC | STAMPS COM INC | 2,267,316 | 5.1% | EDGAR |
| SC 13D/A | 2003-06-19 | STEEL PARTNERS II L P | STAMPS COM INC | 1,838,159 | 4.1% | EDGAR |
| SC 13D/A | 2003-06-02 | STEEL PARTNERS II L P | STAMPS COM INC | 3,468,683 | 7.8% | EDGAR |
| SC 13D/A | 2003-04-03 | MILLER LLOYD I III | STAMPS COM INC | 5,692,649 | 12.8% | EDGAR |
| SC 13G/A | 2003-02-10 | BRENTWOOD ASSOCIATES VIII LP | STAMPS COM INC | - | 0.0% | EDGAR |
| SC 13G/A | 2003-02-05 | SBIC PARTNERS L P | STAMPS COM INC | - | 0.0% | EDGAR |
| SC 13D/A | 2002-10-15 | STEEL PARTNERS II L P | STAMPS COM INC | 4,172,866 | 8.1% | EDGAR |
| SC 13G | 2002-08-09 | DOUGLAS KEVIN | STAMPS COM INC | 2,552,100 | 5.0% | EDGAR |
| SC 13D | 2002-04-30 | MILLER LLOYD I III | STAMPS COM INC | 5,692,649 | 11.2% | EDGAR |
| SC 13G/A | 2002-02-14 | VULCAN VENTURES INC | STAMPS COM INC | - | 0.0% | EDGAR |
| SC 13G/A | 2002-02-13 | RS INVESTMENT MANAGEMENT CO LLC | STAMPS COM INC | - | 1.1% | EDGAR |
| SC 13G/A | 2002-02-05 | MILLER LLOYD I III | STAMPS COM INC | 5,735,649 | 11.3% | EDGAR |