| 2006-03-01 | Sale | Repligen Corporation RGEN | Vice President | 1,800 0.006% | $4.50 | $8,100 | -30.67% | |
| 2006-02-28 | Sale | Repligen Corporation RGEN | Vice President | 8,200 0.0276% | $4.50 | $36,933 | -29.89% | |
| 2005-08-02 | Sale | Repligen Corporation RGEN | Vice President | 2,825 0.0082% | $3.10 | $8,758 | -6.64% |