| SC 13G/A | 2006-02-10 | TATE GEOFFREY | RAMBUS INC | 5,409,256 | 5.3% | EDGAR |
| SC 13G/A | 2006-01-09 | PRIMECAP MANAGEMENT CO/CA/ | RAMBUS INC | 10,005,627 | 10.0% | EDGAR |
| SC 13G/A | 2005-03-31 | PRIMECAP MANAGEMENT CO/CA/ | RAMBUS INC | 9,552,357 | 9.4% | EDGAR |
| SC 13G | 2005-02-11 | VANGUARD HORIZON FUNDS | RAMBUS INC | 5,205,000 | 5.1% | EDGAR |
| SC 13G/A | 2005-02-09 | TATE GEOFFREY | RAMBUS INC | 5,285,656 | 5.1% | EDGAR |
| SC 13G/A | 2005-01-27 | STEELE STUART J | RAMBUS INC | 8,117,001 | 8.0% | EDGAR |
| SC 13G | 2004-11-01 | TATE GEOFFREY | RAMBUS INC | 5,255,556 | 5.0% | EDGAR |
| SC 13G/A | 2004-07-22 | PRIMECAP MANAGEMENT CO/CA/ | RAMBUS INC | 9,313,257 | 9.1% | EDGAR |
| SC 13G/A | 2004-05-04 | STEELE STUART J | RAMBUS INC | 7,576,191 | 7.4% | EDGAR |
| SC 13G | 2004-03-12 | PRIMECAP MANAGEMENT CO/CA/ | RAMBUS INC | 9,026,957 | 9.0% | EDGAR |
| SC 13G/A | 2004-03-10 | STEELE STUART J | RAMBUS INC | 7,216,035 | 7.2% | EDGAR |
| SC 13G/A | 2003-10-14 | STEELE STUART J | RAMBUS INC | 6,996,035 | 7.1% | EDGAR |
| SC 13G/A | 2003-05-12 | STEELE STUART J | RAMBUS INC | 5,764,875 | 5.9% | EDGAR |
| SC 13G | 2001-03-16 | STEELE STUART J | RAMBUS INC | 9 | 11.0% | EDGAR |
| SC 13G/A | 2001-01-23 | WADDELL & REED FINANCIAL INC | RAMBUS INC | 2,732,000 | 2.8% | EDGAR |
| SC 13G/A | 2000-07-07 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-06-22 | - | - | - | - | EDGAR |
| SC 13G | 2000-04-06 | STEELE STUART J | RAMBUS INC | 9 | 11.0% | EDGAR |
| SC 13G | 2000-03-10 | STEELE STUART J | RAMBUS INC | 9 | 11.0% | EDGAR |
| SC 13G | 2000-03-10 | STEELE STUART J | RAMBUS INC | 9 | 11.0% | EDGAR |