| 2014-06-06 | Sale | Repligen Corporation RGEN | Senior Vice President | 47,709 0.1491% | $20.56 | $980,706 | +14.65% | |
| 2014-04-15 | Repligen Corporation RGEN | Senior Vice President | 10,000 0.0066% | $3.05 | $30,500 | +54.56% | ||
| 2008-03-04 | Sale | Repligen Corporation RGEN | Vice President | 5,000 0.0166% | $5.42 | $27,077 | -8.7% | |
| 2008-02-20 | Sale | Repligen Corporation RGEN | Vice President | 2,200 0.0071% | $5.80 | $12,762 | -16.17% | |
| 2008-02-19 | Sale | Repligen Corporation RGEN | Vice President | 2,035 0.0067% | $6.10 | $12,423 | -19.13% | |
| 2008-02-15 | Sale | Repligen Corporation RGEN | Vice President | 1,600 0.0054% | $6.34 | $10,137 | -20.23% | |
| 2008-02-14 | Sale | Repligen Corporation RGEN | Vice President | 10,699 0.0344% | $6.31 | $67,485 | -22.94% | |
| 2007-02-28 | Sale | Repligen Corporation RGEN | Vice President | 20,000 0.0659% | $3.10 | $62,063 | +34.35% | |
| 2006-02-17 | Sale | Repligen Corporation RGEN | Vice President | 34,600 0.1146% | $4.25 | $147,050 | -26.53% | |
| 2006-02-14 | Sale | Repligen Corporation RGEN | Vice President | 25,400 0.0866% | $4.25 | $107,950 | -24.4% |