| 2015-05-12 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 45,431 0.135% | $38.97 | $1.77M | -28.21% | |
| 2015-05-11 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 35,715 0.1087% | $38.68 | $1.38M | -25.84% | |
| 2015-05-08 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 68,854 0.2104% | $37.55 | $2.59M | -22.87% | |
| 2015-03-23 | Sale | Repligen Corporation RGEN | PRESIDENT AND CEO | 23,686 0.0723% | $31.76 | $752,173 | -1.98% | |
| 2015-03-20 | Sale | Repligen Corporation RGEN | PRESIDENT AND CEO | 850 0.0026% | $32.51 | $27,629 | -2.85% | |
| 2015-03-19 | Sale | Repligen Corporation RGEN | PRESIDENT AND CEO | 49,695 0.1502% | $33.08 | $1.64M | -5.88% | |
| 2014-11-19 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 4,158 0.0127% | $22.95 | $95,426 | +36.95% | |
| 2014-11-18 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 47,228 0.1472% | $23.47 | $1.11M | +36.36% | |
| 2014-06-11 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 60,335 0.19% | $20.11 | $1.21M | +18.69% | |
| 2013-05-15 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 1,514 0.0047% | $8.85 | $13,399 | +37.04% | |
| 2013-05-14 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 38,486 0.1228% | $8.98 | $345,450 | +38.36% | |
| 2007-12-13 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 50,000 0.1604% | $6.13 | $306,378 | -15.23% | |
| 2007-03-08 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 25,000 0.0827% | $3.17 | $79,169 | +33.49% | |
| 2006-02-21 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 54,000 0.1814% | $4.25 | $229,500 | -25.48% | |
| 2005-08-03 | Sale | Repligen Corporation RGEN | PRESIDENT, CEO | 17,600 0.0593% | $3.55 | $62,433 | -5.71% | |
| 2005-02-18 | Repligen Corporation RGEN | PRESIDENT, CEO | 10,000 0.0348% | $1.99 | $19,900 | +58.42% |