| 2004-08-16 | Sale | Geron Corporation GERN | 10 percent owner | 65,500 0.1437% | $5.57 | $365,026 | +25.4% | |
| 2004-08-13 | Sale | Geron Corporation GERN | 10 percent owner | 47,000 0.1043% | $5.52 | $259,637 | +27.65% | |
| 2004-08-12 | Sale | Geron Corporation GERN | 10 percent owner | 167,900 0.3856% | $5.95 | $998,796 | +22.63% | |
| 2004-08-11 | Sale | Geron Corporation GERN | 10 percent owner | 42,000 0.0885% | $5.46 | $229,252 | +22.46% | |
| 2004-08-10 | Sale | Geron Corporation GERN | 10 percent owner | 52,000 0.1111% | $5.24 | $272,703 | +29.07% | |
| 2004-08-09 | Sale | Geron Corporation GERN | 10 percent owner | 49,500 0.1106% | $5.31 | $262,844 | +33.27% | |
| 2004-08-06 | Sale | Geron Corporation GERN | 10 percent owner | 35,000 0.0797% | $5.52 | $193,110 | +30.68% |