| BIIB | | BIOGEN INC. | Douglas E. Williams | EVP Research & Development | Jun 19, 2015 | Sale | $410.00 | 3,841 | 1,574,810 | 11,817 | Jun 22, 2015, 04:15 PM |
| BIIB | | BIOGEN INC. | Brian S. Posner | Director | Jun 15, 2015 | Sale | $386.64 | 400 | 154,656 | 5,745 | Jun 16, 2015, 06:54 PM |
| BIIB | | BIOGEN INC. | Adam Koppel | SVP, Chief Strategy Officer | Jun 02, 2015 | Tax Payment (Shares) | $387.62 | 852 | 330,252 | 1,662 | Jun 04, 2015, 05:49 PM |
| BIIB | | BIOGEN INC. | Adam Koppel | SVP, Chief Strategy Officer | Jun 02, 2015 | Option/RSU Exercise | - | 2,384 | - | 2,514 | Jun 04, 2015, 05:49 PM |
| BIIB | | BIOGEN INC. | George A. Scangos | Chief Executive Officer | Jun 01, 2015 | Sale | $398.87 | 1,362 | 543,261 | 41,090 | Jun 02, 2015, 04:10 PM |
| BIIB | | BIOGEN INC. | Gregory F. Covino | VP, Chief Accounting Officer | May 01, 2015 | Option/RSU Exercise | $386.22 | 347 | 134,018 | 1,874 | May 05, 2015, 04:36 PM |
| BIIB | | BIOGEN INC. | Gregory F. Covino | VP, Chief Accounting Officer | May 01, 2015 | Tax Payment (Shares) | $386.22 | 113 | 43,643 | 1,761 | May 05, 2015, 04:36 PM |
| BIIB | | BIOGEN INC. | George A. Scangos | Chief Executive Officer | May 01, 2015 | Sale | $377.52 | 1,362 | 514,182 | 42,452 | May 05, 2015, 04:34 PM |
| BIIB | | BIOGEN INC. | Spyridon Artavanis-Tsakonas | SVP, Chief Scientific Officer | Apr 02, 2015 | Tax Payment (Shares) | $412.44 | 460 | 189,722 | 1,674 | Apr 03, 2015, 04:24 PM |
| BIIB | | BIOGEN INC. | Spyridon Artavanis-Tsakonas | SVP, Chief Scientific Officer | Apr 02, 2015 | Option/RSU Exercise | - | 975 | - | 2,134 | Apr 03, 2015, 04:24 PM |
| BIIB | | BIOGEN INC. | George A. Scangos | Chief Executive Officer | Apr 01, 2015 | Sale | $423.20 | 1,362 | 576,398 | 43,814 | Apr 02, 2015, 04:29 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Mar 27, 2015 | Sale | $430.12 | 430 | 184,952 | 8,574 | Mar 30, 2015, 04:13 PM |
| BIIB | | BIOGEN INC. | John Cox | EVP Pharmaceutical Oper & Tech | Mar 25, 2015 | Option/RSU Exercise | $65.85 | 5,066 | 333,571 | 37,577 | Mar 26, 2015, 04:31 PM |
| BIIB | | BIOGEN INC. | John Cox | EVP Pharmaceutical Oper & Tech | Mar 25, 2015 | Sale | $449.06 | 12,010 | 5,393,211 | 25,567 | Mar 26, 2015, 04:31 PM |
| BIIB | | BIOGEN INC. | Eric K. Rowinsky | Director | Mar 20, 2015 | Option/RSU Exercise | $59.82 | 11,667 | 697,920 | 22,977 | Mar 23, 2015, 04:33 PM |
| BIIB | | BIOGEN INC. | Eric K. Rowinsky | Director | Mar 20, 2015 | Sale | $475.00 | 11,667 | 5,541,825 | 11,310 | Mar 23, 2015, 04:33 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 19, 2015 | Option/RSU Exercise | $59.82 | 2,333 | 139,560 | 13,643 | Mar 20, 2015, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 19, 2015 | Sale | $436.14 | 2,333 | 1,017,508 | 11,310 | Mar 20, 2015, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 17, 2015 | Option/RSU Exercise | $59.82 | 4,667 | 279,180 | 15,977 | Mar 18, 2015, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 17, 2015 | Sale | $425.45 | 4,667 | 1,985,589 | 11,310 | Mar 18, 2015, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Mar 16, 2015 | Sale | $415.46 | 803 | 333,614 | 0 | Mar 17, 2015, 08:10 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Mar 13, 2015 | Sale | $412.69 | 537 | 221,613 | 45,176 | Mar 16, 2015, 08:39 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Mar 06, 2015 | Gift | - | 275 | - | 4,150 | Mar 11, 2015, 04:17 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Mar 10, 2015 | Option/RSU Exercise | $59.82 | 6,000 | 358,920 | 10,150 | Mar 11, 2015, 04:17 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Mar 10, 2015 | Sale | $409.67 | 6,000 | 2,458,020 | 4,150 | Mar 11, 2015, 04:17 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 09, 2015 | Sale | $417.23 | 4,666 | 1,946,795 | 11,310 | Mar 11, 2015, 04:15 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Mar 09, 2015 | Option/RSU Exercise | $59.82 | 4,666 | 279,120 | 15,976 | Mar 11, 2015, 04:15 PM |
| BIIB | | BIOGEN IDEC INC. | Robert W. Pangia | Director | Mar 10, 2015 | Option/RSU Exercise | $47.71 | 3,625 | 172,954 | 17,998 | Mar 11, 2015, 04:13 PM |
| BIIB | | BIOGEN IDEC INC. | Robert W. Pangia | Director | Mar 10, 2015 | Sale | $413.40 | 3,625 | 1,498,578 | 17,798 | Mar 11, 2015, 04:13 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Mar 01, 2015 | Tax Payment (Shares) | $409.59 | 2,826 | 1,157,501 | 12,178 | Mar 03, 2015, 04:44 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Mar 02, 2015 | Sale | $409.49 | 3,174 | 1,299,715 | 12,078 | Mar 03, 2015, 04:44 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Mar 02, 2015 | Sale | $410.67 | 825 | 338,803 | 45,713 | Mar 03, 2015, 04:39 PM |
| BIIB | | BIOGEN IDEC INC. | Gregory F. Covino | VP, Chief Accounting Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 8 | 3,137 | 1,302 | Feb 23, 2015, 04:24 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 19, 2015 | Sale | $401.04 | 537 | 215,358 | 46,538 | Feb 20, 2015, 04:28 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 17, 2015 | Sale | $389.11 | 825 | 321,016 | 47,075 | Feb 18, 2015, 04:45 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 17, 2015 | Sale | $389.11 | 2,128 | 828,026 | 4,321 | Feb 18, 2015, 04:41 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 17, 2015 | Sale | $389.11 | 1,188 | 462,263 | 803 | Feb 18, 2015, 04:37 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 17, 2015 | Sale | $389.11 | 418 | 162,648 | 15,004 | Feb 18, 2015, 04:36 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 12, 2015 | Option/RSU Exercise | - | 15,599 | - | 45,547 | Feb 17, 2015, 09:32 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 12,125 | 4,754,334 | 47,900 | Feb 17, 2015, 09:32 PM |
| BIIB | | BIOGEN IDEC INC. | Gregory F. Covino | VP, Chief Accounting Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 20 | 7,842 | 1,446 | Feb 17, 2015, 09:16 PM |
| BIIB | | BIOGEN IDEC INC. | Gregory F. Covino | VP, Chief Accounting Officer | Feb 12, 2015 | Option/RSU Exercise | - | 471 | - | 1,450 | Feb 17, 2015, 09:16 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 1,712 | 671,292 | 6,449 | Feb 17, 2015, 08:54 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 12, 2015 | Option/RSU Exercise | - | 3,634 | - | 7,152 | Feb 17, 2015, 08:54 PM |
| BIIB | | BIOGEN IDEC INC. | Spyridon Artavanis-Tsakonas | SVP, Chief Scientific Officer | Feb 12, 2015 | Option/RSU Exercise | - | 1,201 | - | 1,318 | Feb 17, 2015, 08:50 PM |
| BIIB | | BIOGEN IDEC INC. | Spyridon Artavanis-Tsakonas | SVP, Chief Scientific Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 394 | 154,491 | 1,159 | Feb 17, 2015, 08:50 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 757 | 296,827 | 15,422 | Feb 17, 2015, 08:47 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 12, 2015 | Option/RSU Exercise | - | 1,605 | - | 15,805 | Feb 17, 2015, 08:47 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 2,026 | 794,415 | 22,257 | Feb 17, 2015, 08:44 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 12, 2015 | Option/RSU Exercise | - | 4,299 | - | 22,960 | Feb 17, 2015, 08:44 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 1,761 | 690,506 | 32,511 | Feb 17, 2015, 08:40 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 12, 2015 | Option/RSU Exercise | - | 3,738 | - | 33,214 | Feb 17, 2015, 08:40 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 2,450 | 960,669 | 15,658 | Feb 17, 2015, 08:37 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 12, 2015 | Option/RSU Exercise | - | 5,200 | - | 16,481 | Feb 17, 2015, 08:37 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 1,776 | 696,387 | 27,867 | Feb 17, 2015, 08:34 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 12, 2015 | Option/RSU Exercise | - | 3,769 | - | 28,634 | Feb 17, 2015, 08:34 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 12, 2015 | Option/RSU Exercise | - | 3,764 | - | 2,706 | Feb 17, 2015, 08:30 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 12, 2015 | Tax Payment (Shares) | $392.11 | 1,773 | 695,211 | 1,991 | Feb 17, 2015, 08:30 PM |
| 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. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 10, 2015 | Sale | $398.11 | 1,143 | 455,039 | 15,417 | Feb 11, 2015, 04:26 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 10, 2015 | Tax Payment (Shares) | $395.13 | 8,871 | 3,505,198 | 34,277 | Feb 11, 2015, 04:25 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 10, 2015 | Option/RSU Exercise | - | 18,833 | - | 43,148 | Feb 11, 2015, 04:25 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 4,940 | 1,960,587 | 24,315 | Feb 11, 2015, 04:25 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 09, 2015 | Option/RSU Exercise | - | 11,270 | - | 29,255 | Feb 11, 2015, 04:25 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 1,634 | 656,868 | 12,908 | Feb 10, 2015, 05:14 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 08, 2015 | Option/RSU Exercise | - | 3,468 | - | 14,542 | Feb 10, 2015, 05:14 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 08, 2015 | Option/RSU Exercise | - | 2,498 | - | 24,625 | Feb 10, 2015, 05:12 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 1,842 | 731,053 | 25,874 | Feb 10, 2015, 05:12 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 09, 2015 | Option/RSU Exercise | - | 3,909 | - | 27,716 | Feb 10, 2015, 05:12 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 818 | 328,836 | 23,807 | Feb 10, 2015, 05:12 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 421 | 169,242 | 15,430 | Feb 10, 2015, 05:11 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 08, 2015 | Option/RSU Exercise | - | 1,277 | - | 15,851 | Feb 10, 2015, 05:11 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 681 | 270,275 | 15,717 | Feb 10, 2015, 05:11 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 09, 2015 | Option/RSU Exercise | - | 1,824 | - | 16,398 | Feb 10, 2015, 05:11 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Feb 09, 2015 | Sale | $398.05 | 856 | 340,731 | 14,574 | Feb 10, 2015, 05:11 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 1,275 | 512,550 | 4,527 | Feb 10, 2015, 05:10 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 08, 2015 | Option/RSU Exercise | - | 2,705 | - | 5,802 | Feb 10, 2015, 05:10 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 | 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. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 2,210 | 877,105 | 30,534 | Feb 10, 2015, 05:07 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 09, 2015 | Option/RSU Exercise | - | 4,691 | - | 32,744 | Feb 10, 2015, 05:07 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 1,537 | 617,874 | 28,053 | Feb 10, 2015, 05:07 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 08, 2015 | Option/RSU Exercise | - | 4,023 | - | 29,590 | Feb 10, 2015, 05:07 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 08, 2015 | Tax Payment (Shares) | $402.00 | 1,143 | 459,486 | 17,503 | Feb 10, 2015, 05:06 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 08, 2015 | Option/RSU Exercise | - | 3,191 | - | 18,646 | Feb 10, 2015, 05:06 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 09, 2015 | Tax Payment (Shares) | $396.88 | 2,210 | 877,105 | 19,984 | Feb 10, 2015, 05:06 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 09, 2015 | Option/RSU Exercise | - | 4,691 | - | 22,194 | Feb 10, 2015, 05:06 PM |
| BIIB | | BIOGEN IDEC INC. | Brian S. Posner | Director | Feb 06, 2015 | Gift | - | 250 | - | 5,450 | Feb 10, 2015, 05:04 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 02, 2015 | Sale | $389.03 | 1,656 | 644,234 | 0 | Feb 03, 2015, 06:35 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 01, 2015 | Tax Payment (Shares) | $389.16 | 807 | 314,052 | 1,656 | Feb 02, 2015, 07:46 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 01, 2015 | Option/RSU Exercise | - | 2,463 | - | 2,463 | Feb 02, 2015, 07:46 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 01, 2015 | Tax Payment (Shares) | $389.16 | 2,059 | 801,280 | 11,074 | Feb 02, 2015, 07:43 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 01, 2015 | Option/RSU Exercise | - | 5,157 | - | 13,133 | Feb 02, 2015, 07:43 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 01, 2015 | Option/RSU Exercise | - | 5,157 | - | 5,157 | Feb 02, 2015, 07:40 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 01, 2015 | Tax Payment (Shares) | $389.16 | 2,060 | 801,670 | 3,097 | Feb 02, 2015, 07:40 PM |
| BIIB | | BIOGEN IDEC INC. | Spyridon Artavanis-Tsakonas | SVP, Chief Scientific Officer | Dec 15, 2014 | Sale | $346.50 | 1,981 | 686,417 | 352 | Dec 16, 2014, 04:36 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Dec 03, 2014 | Tax Payment (Shares) | $347.34 | 393 | 136,505 | 15,014 | Dec 05, 2014, 05:20 PM |
