| 2015-05-15 | Sale | Repligen Corporation RGEN | Senior Vice President | 15,000 0.0453% | $41.32 | $619,833 | -31.42% | |
| 2015-03-19 | Sale | Repligen Corporation RGEN | Senior Vice President | 14,650 0.0446% | $33.30 | $487,845 | -5.88% | |
| 2014-06-09 | Sale | Repligen Corporation RGEN | Senior Vice President | 30,000 0.0938% | $20.19 | $605,730 | +17.12% | |
| 2014-04-15 | Repligen Corporation RGEN | Senior Vice President | 25,000 0.0165% | $3.05 | $76,250 | +54.56% | ||
| 2013-08-08 | Sale | Repligen Corporation RGEN | Senior Vice President | 30,000 0.0942% | $10.01 | $300,354 | +37.51% | |
| 2012-09-27 | Sale | Repligen Corporation RGEN | Senior Vice President | 5,000 0.0162% | $5.95 | $29,753 | +21.43% | |
| 2011-03-30 | Repligen Corporation RGEN | Senior Vice President | 5,000 0.0117% | $2.66 | $13,300 | -4.05% | ||
| 2007-12-13 | Sale | Repligen Corporation RGEN | Senior Vice President | 20,000 0.0643% | $6.14 | $122,787 | -15.23% | |
| 2007-06-14 | Sale | Repligen Corporation RGEN | Senior Vice President | 7,444 0.0244% | $3.90 | $29,036 | +23.14% | |
| 2007-03-05 | Sale | Repligen Corporation RGEN | Senior Vice President | 10,000 0.0328% | $3.05 | $30,500 | +37.25% | |
| 2006-12-05 | Sale | Repligen Corporation RGEN | Senior Vice President | 8,000 0.026% | $2.85 | $22,800 | +29.41% | |
| 2006-02-14 | Sale | Repligen Corporation RGEN | Senior Vice President | 30,000 0.1% | $4.16 | $124,722 | -24.4% | |
| 2005-08-03 | Sale | Repligen Corporation RGEN | Senior Vice President | 10,000 0.0327% | $3.45 | $34,500 | -5.71% | |
| 2005-07-29 | Sale | Repligen Corporation RGEN | Senior Vice President | 10,000 0.0326% | $2.96 | $29,611 | +9.6% |