| 2005-02-18 | Sale | Biogen Inc. BIIB | EVP and General Counsel | 32,200 0.0083% | $58.07 | $1.87M | -41.05% | |
| 2004-11-30 | Sale | Biogen Inc. BIIB | EVP and General Counsel | 15,500 0.001% | $13.04 | $202,120 | -32.72% | |
| 2004-05-25 | Sale | Biogen Inc. BIIB | EVP and General Counsel | 30,000 0.0018% | $13.04 | $391,200 | -6.22% | |
| 2004-05-04 | Sale | Biogen Inc. BIIB | EVP and General Counsel | 35,000 0.0094% | $52.15 | $1.83M | +3.31% |