| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 1,697 | 665,411 | 8,132 | Feb 17, 2015, 08:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 12, 2015 | Option/RSU Exercise | - | 3,601 | - | 8,771 | Feb 17, 2015, 08:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 883 | 354,966 | 5,264 | Feb 10, 2015, 05:08 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2015 | Option/RSU Exercise | - | 2,636 | - | 6,147 | Feb 10, 2015, 05:08 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 860 | 341,317 | 6,228 | Feb 10, 2015, 05:08 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2015 | Option/RSU Exercise | - | 1,824 | - | 7,088 | Feb 10, 2015, 05:08 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Mar 11, 2014 | Sale | $336.83 | 8,428 | 2,838,766 | 9,054 | Mar 12, 2014, 07:15 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2014 | Tax Payment (Shares) | $315.54 | 861 | 271,680 | 10,752 | Feb 11, 2014, 07:52 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2014 | Option/RSU Exercise | - | 1,824 | - | 11,613 | Feb 11, 2014, 07:52 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2014 | Tax Payment (Shares) | $315.54 | 1,243 | 392,216 | 9,789 | Feb 11, 2014, 07:52 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2014 | Option/RSU Exercise | - | 2,636 | - | 11,032 | Feb 11, 2014, 07:52 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2014 | Tax Payment (Shares) | $312.64 | 1,701 | 531,801 | 8,396 | Feb 03, 2014, 05:20 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2014 | Option/RSU Exercise | - | 4,586 | - | 10,097 | Feb 03, 2014, 05:20 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2013 | Option/RSU Exercise | - | 1,824 | - | 6,372 | Feb 12, 2013, 05:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2013 | Tax Payment (Shares) | $164.44 | 831 | 136,650 | 4,548 | Feb 12, 2013, 05:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 08, 2013 | Option/RSU Exercise | - | 2,284 | - | 5,379 | Feb 12, 2013, 05:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2013 | Tax Payment (Shares) | $164.44 | 861 | 141,583 | 5,511 | Feb 12, 2013, 05:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2013 | Tax Payment (Shares) | $157.30 | 1,491 | 234,534 | 3,095 | Feb 05, 2013, 04:22 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2013 | Option/RSU Exercise | - | 4,586 | - | 4,586 | Feb 05, 2013, 04:22 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 14, 2012 | Sale | $118.61 | 1,247 | 147,907 | 0 | Feb 16, 2012, 02:39 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2012 | Tax Payment (Shares) | $117.78 | 579 | 68,195 | 1,247 | Feb 14, 2012, 03:57 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 09, 2012 | Option/RSU Exercise | - | 1,826 | - | 1,826 | Feb 14, 2012, 03:57 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 06, 2012 | Sale | $121.03 | 3,110 | 376,403 | 0 | Feb 08, 2012, 03:07 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2012 | Tax Payment (Shares) | $121.26 | 1,477 | 179,101 | 3,110 | Feb 03, 2012, 02:52 PM |
| BIIB | | BIOGEN IDEC INC. | Stuart A. Kingsley | EVP, Global Comm. Operations | Feb 01, 2012 | Option/RSU Exercise | - | 4,587 | - | 4,587 | Feb 03, 2012, 02:52 PM |