E. Robert Gagnon

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
BIIB $115.03 835 Officer 4,716 2012-02-28 Filing
BIIB $115.53 1,054 Officer 5,885 2012-02-24 Filing
BIIB $118.61 560 Officer 5,050 2012-02-14 Filing
BIIB $112.31 795 Officer 5,050 2011-12-06 Filing
BIIB $112.04 796 Officer 6,216 2011-11-09 Filing
BIIB $97.66 252 Officer 7,383 2011-10-05 Filing
BIIB $92.55 778 Officer 7,635 2011-10-03 Filing
BIIB $96.13 967 Officer 7,753 2011-05-06 Filing
BIIB $96.03 215 Officer 8,720 2011-05-04 Filing
BIIB $70.32 100 Officer 9,486 2011-03-02 Filing
BIIB $69.98 616 Officer 9,586 2011-03-02 Filing
BIIB $70.17 586 Officer 10,202 2011-03-02 Filing
BIIB $69.02 100 Officer 10,788 2011-03-02 Filing
BIIB $66.99 1,054 Officer 11,223 2011-02-24 Filing
BIIB $67.10 732 Officer 10,537 2011-02-17 Filing
BIIB $66.57 1,053 Officer 10,814 2011-01-04 Filing
BIIB $66.55 1,700 Officer 10,814 2011-01-04 Filing
BIIB $66.58 1,554 Officer 10,814 2011-01-04 Filing
BIIB $66.57 796 Officer 10,814 2011-01-04 Filing
BIIB $66.53 796 Officer 11,610 2010-12-06 Filing