| 2019-03-18 | Sale | Biogen Inc. BIIB | director | 12,228 0.0036% | $190.99 | $2.34M | -27.04% | |
| 2018-01-09 | Sale | Biogen Inc. BIIB | director | 11,664 0.0032% | $193.74 | $2.26M | -5.84% | |
| 2017-01-09 | Sale | Biogen Inc. BIIB | director | 10,900 0.0029% | $173.81 | $1.89M | -4.05% | |
| 2015-03-10 | Sale | Biogen Inc. BIIB | director | 6,750 0.0029% | $413.71 | $2.79M | -26.64% | |
| 2014-04-01 | Sale | Biogen Inc. BIIB | director | 12,500 0.003% | $177.99 | $2.22M | +5.49% | |
| 2014-01-06 | Sale | Biogen Inc. BIIB | director | 12,500 0.0031% | $162.79 | $2.03M | +16.26% | |
| 2013-05-28 | Sale | Biogen Inc. BIIB | director | 11,800 0.0049% | $237.23 | $2.8M | +13.14% | |
| 2013-02-06 | Sale | Biogen Inc. BIIB | director | 5,000 0.0015% | $115.92 | $579,600 | +39.98% | |
| 2012-09-17 | Sale | Biogen Inc. BIIB | director | 10,000 0.003% | $110.64 | $1.11M | +14.49% | |
| 2012-09-06 | Sale | Biogen Inc. BIIB | director | 10,000 0.003% | $108.14 | $1.08M | +14.88% | |
| 2012-06-15 | Sale | Biogen Inc. BIIB | director | 10,000 0.0026% | $88.47 | $884,700 | +8.07% | |
| 2012-06-04 | Sale | Biogen Inc. BIIB | director | 10,000 0.0027% | $83.47 | $834,700 | +14.8% | |
| 2012-03-08 | Sale | Biogen Inc. BIIB | director | 7,500 0.0024% | $92.31 | $692,350 | +20.23% | |
| 2011-05-26 | Sale | Biogen Inc. BIIB | director | 15,000 0.0062% | $93.11 | $1.4M | +19.15% | |
| 2010-10-28 | Sale | Biogen Inc. BIIB | director | 15,000 0.0055% | $59.25 | $888,750 | +40.06% | |
| 2009-12-24 | Sale | Biogen Inc. BIIB | director | 15,000 0.0033% | $31.08 | $466,250 | +6.6% | |
| 2009-09-29 | Sale | Biogen Inc. BIIB | director | 15,000 0.0031% | $31.08 | $466,250 | +3.54% | |
| 2008-04-08 | Sale | Biogen Inc. BIIB | director | 30,000 0.0102% | $64.55 | $1.94M | -22.7% | |
| 2005-02-14 | Sale | Biogen Inc. BIIB | director | 15,750 0.0047% | $67.00 | $1.06M | -41.07% | |
| 2004-05-05 | Sale | Biogen Inc. BIIB | director | 29,000 0.0062% | $42.36 | $1.23M | +1.24% |