| 2020-03-24 | Sale | Repligen Corporation RGEN | director | 1,858 0.0036% | $96.72 | $179,706 | +60.76% | |
| 2020-03-18 | Sale | Repligen Corporation RGEN | director | 26,736 0.0507% | $95.27 | $2.55M | +56.42% | |
| 2020-03-04 | Sale | Repligen Corporation RGEN | director | 10,000 0.019% | $93.39 | $933,900 | +57.14% | |
| 2020-02-24 | Sale | Repligen Corporation RGEN | director | 4,455 0.0086% | $92.81 | $413,455 | +58.72% | |
| 2015-03-25 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 24,020 0.0106% | $449.06 | $10.79M | -30.68% | |
| 2011-11-01 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 4,350 0.0015% | $93.62 | $407,247 | +14.93% | |
| 2011-04-21 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 4,350 0.0013% | $72.87 | $316,985 | +8.23% | |
| 2011-04-13 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 36,234 0.0148% | $80.00 | $2.9M | +32.24% | |
| 2011-04-11 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 6,900 0.0017% | $47.92 | $330,648 | +35.83% | |
| 2011-03-31 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 2,840 0.0007% | $43.50 | $123,540 | +42.25% | |
| 2011-03-02 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 4,041 0.0017% | $70.10 | $283,259 | +43.81% | |
| 2011-02-17 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 1,843 0.0008% | $67.08 | $123,620 | +46.99% | |
| 2010-11-09 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 773 0.0003% | $62.87 | $48,597 | +43.93% | |
| 2010-11-02 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 765 0.0003% | $63.04 | $48,228 | +43.24% | |
| 2010-10-28 | Sale | Biogen Inc. BIIB | EVP Pharmaceutical Oper & Tech | 6,900 0.0015% | $33.97 | $234,393 | +40.06% |