| 2010-06-08 | Sale | Biogen Inc. BIIB | director | 2,000 0.0008% | $47.64 | $95,286 | +39.79% | |
| 2009-06-24 | Sale | Biogen Inc. BIIB | director | 1,700 0.0006% | $48.53 | $82,496 | +1.6% | |
| 2008-06-04 | Sale | Biogen Inc. BIIB | director | 1,840 0.0006% | $61.67 | $113,482 | -20.37% | |
| 2007-08-24 | Sale | Biogen Inc. BIIB | director | 6,250 0.0013% | $36.94 | $230,875 | -0.68% | |
| 2007-08-15 | Sale | Biogen Inc. BIIB | director | 6,250 0.0014% | $36.94 | $230,875 | +6.84% | |
| 2007-07-25 | Sale | Biogen Inc. BIIB | director | 5,000 0.001% | $34.34 | $171,700 | +5.61% | |
| 2007-07-24 | Sale | Biogen Inc. BIIB | director | 5,000 0.0011% | $34.34 | $171,700 | +10.79% | |
| 2007-05-31 | Sale | Biogen Inc. BIIB | director | 1,500 0.0004% | $51.91 | $77,865 | +17.88% | |
| 2006-11-22 | Sale | Biogen Inc. BIIB | director | 7,500 0.0013% | $31.08 | $233,125 | -0.89% | |
| 2006-11-17 | Sale | Biogen Inc. BIIB | director | 7,500 0.0014% | $31.08 | $233,125 | +1.41% | |
| 2004-11-19 | Sale | Biogen Inc. BIIB | director | 15,000 0.0045% | $55.91 | $838,650 | -28.66% | |
| 2003-11-13 | Sale | Biogen Inc. BIIB | director | 25,000 0.001% | $4.67 | $116,668 | +63.66% |