| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 09, 2014 | Tax Payment (Shares) | $315.54 | 2,212 | 697,974 | 22,921 | Feb 11, 2014, 06:07 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 04, 2014 | Sale | $299.01 | 1,655 | 494,862 | 0 | Feb 05, 2014, 04:36 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 01, 2014 | Option/RSU Exercise | - | 2,463 | - | 2,463 | Feb 03, 2014, 05:29 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Feb 01, 2014 | Tax Payment (Shares) | $312.64 | 808 | 252,613 | 1,655 | Feb 03, 2014, 05:29 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 01, 2014 | Tax Payment (Shares) | $312.64 | 1,969 | 615,588 | 7,761 | Feb 03, 2014, 05:25 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Feb 01, 2014 | Option/RSU Exercise | - | 5,159 | - | 9,730 | Feb 03, 2014, 05:25 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. | Steven H. Holtzman | EVP Corporate Development | Feb 01, 2014 | Tax Payment (Shares) | $312.64 | 1,971 | 616,213 | 8,073 | Feb 03, 2014, 05:15 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 01, 2014 | Option/RSU Exercise | - | 5,159 | - | 10,044 | Feb 03, 2014, 05:15 PM |
| BIIB | | BIOGEN IDEC INC. | Eric K. Rowinsky | Director | Jan 21, 2014 | Sale | $310.09 | 2,020 | 626,382 | 10,440 | Jan 22, 2014, 04:49 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Jan 15, 2014 | Sale | $297.48 | 1,000 | 297,480 | 3,100 | Jan 16, 2014, 10:27 AM |
| BIIB | | BIOGEN IDEC INC. | William Young | Director | Jan 08, 2014 | Sale | $285.11 | 15,000 | 4,276,590 | 18,509 | Jan 09, 2014, 04:24 PM |
| BIIB | | BIOGEN IDEC INC. | Robert W. Pangia | Director | Jan 06, 2014 | Option/RSU Exercise | $47.55 | 6,250 | 297,187 | 20,253 | Jan 07, 2014, 12:22 PM |
| BIIB | | BIOGEN IDEC INC. | Robert W. Pangia | Director | Jan 06, 2014 | Sale | $278.03 | 6,250 | 1,737,687 | 14,003 | Jan 07, 2014, 12:22 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Jan 02, 2014 | Option/RSU Exercise | $59.82 | 5,500 | 329,010 | 9,460 | Jan 06, 2014, 11:19 AM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Jan 02, 2014 | Sale | $279.28 | 5,500 | 1,536,059 | 7,660 | Jan 06, 2014, 11:19 AM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Dec 03, 2013 | Tax Payment (Shares) | $287.76 | 394 | 113,377 | 14,106 | Dec 05, 2013, 02:53 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Dec 04, 2013 | Sale | $285.90 | 439 | 125,510 | 13,667 | Dec 05, 2013, 02:53 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Nov 25, 2013 | Gift | - | 200 | - | 17,860 | Dec 04, 2013, 12:05 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Dec 02, 2013 | Sale | $291.71 | 1,000 | 291,710 | 4,100 | Dec 02, 2013, 03:28 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Nov 22, 2013 | Sale | $288.00 | 4,000 | 1,152,000 | 8,710 | Nov 25, 2013, 02:11 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Nov 22, 2013 | Option/RSU Exercise | $49.95 | 4,000 | 199,800 | 12,710 | Nov 25, 2013, 02:11 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Nov 01, 2013 | Sale | $245.00 | 1,000 | 245,000 | 5,100 | Nov 05, 2013, 12:18 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Nov 01, 2013 | Sale | $245.57 | 2,239 | 549,831 | 40,156 | Nov 05, 2013, 12:13 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Oct 22, 2013 | Option/RSU Exercise | $60.56 | 15,030 | 910,217 | 29,530 | Oct 23, 2013, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Oct 22, 2013 | Sale | $250.11 | 15,030 | 3,759,123 | 14,500 | Oct 23, 2013, 05:03 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Oct 01, 2013 | Sale | $242.85 | 1,000 | 242,850 | 6,100 | Oct 02, 2013, 05:09 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Oct 01, 2013 | Sale | $242.85 | 2,239 | 543,741 | 42,395 | Oct 02, 2013, 04:35 PM |
| BIIB | | BIOGEN IDEC INC. | Kenneth Dipietro | EVP Human Resources | Sep 30, 2013 | Sale | $242.00 | 1,440 | 348,480 | 0 | Oct 02, 2013, 01:36 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Sep 18, 2013 | Option/RSU Exercise | $49.65 | 26,785 | 1,329,875 | 33,872 | Sep 19, 2013, 02:14 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Sep 18, 2013 | Sale | $245.00 | 26,785 | 6,562,325 | 7,087 | Sep 19, 2013, 02:14 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Sep 16, 2013 | Sale | $238.27 | 99,030 | 23,596,311 | 42,027 | Sep 18, 2013, 04:34 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Sep 16, 2013 | Option/RSU Exercise | $56.11 | 99,030 | 5,556,895 | 51,027 | Sep 18, 2013, 04:34 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Sep 17, 2013 | Sale | $238.98 | 3,501 | 836,669 | 4,885 | Sep 18, 2013, 04:31 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Sep 16, 2013 | Option/RSU Exercise | $49.65 | 9,820 | 487,563 | 24,320 | Sep 18, 2013, 04:28 PM |
| BIIB | | BIOGEN IDEC INC. | Alfred Sandrock | Grp SVP, Chief Medical Officer | Sep 16, 2013 | Sale | $240.10 | 9,820 | 2,357,821 | 14,500 | Sep 18, 2013, 04:28 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Sep 16, 2013 | Sale | $238.03 | 4,000 | 952,120 | 8,710 | Sep 18, 2013, 04:26 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Sep 16, 2013 | Option/RSU Exercise | $49.59 | 4,000 | 198,360 | 12,710 | Sep 18, 2013, 04:26 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Sep 11, 2013 | Sale | $235.25 | 900 | 211,726 | 3,325 | Sep 13, 2013, 02:33 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Sep 03, 2013 | Sale | $214.40 | 2,239 | 480,042 | 45,534 | Sep 04, 2013, 04:52 PM |
| BIIB | | BIOGEN IDEC INC. | Douglas E. Williams | EVP Research & Development | Aug 26, 2013 | Sale | $211.35 | 4,368 | 923,168 | 4,571 | Aug 28, 2013, 12:30 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Aug 01, 2013 | Sale | $218.82 | 2,239 | 489,938 | 45,761 | Aug 02, 2013, 10:55 AM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Jul 16, 2013 | Sale | $223.94 | 2,239 | 501,402 | 48,000 | Jul 18, 2013, 11:24 AM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Jul 15, 2013 | Option/RSU Exercise | - | 21,339 | - | 70,250 | Jul 16, 2013, 06:19 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Jul 15, 2013 | Tax Payment (Shares) | $224.33 | 20,011 | 4,489,068 | 60,177 | Jul 16, 2013, 06:19 PM |
| BIIB | | BIOGEN IDEC INC. | Alexander J. Denner | Director | Jun 14, 2013 | Sale | $212.00 | 2,900 | 614,800 | 6,325 | Jun 17, 2013, 03:46 PM |
| BIIB | | BIOGEN IDEC INC. | Stelios Papadopoulos | Director | Jun 11, 2013 | Sale | $219.62 | 2,020 | 443,632 | 12,930 | Jun 13, 2013, 04:27 PM |
| BIIB | | BIOGEN IDEC INC. | Brian S. Posner | Director | Jun 11, 2013 | Sale | $219.62 | 2,020 | 443,632 | 8,130 | Jun 13, 2013, 04:23 PM |
| BIIB | | BIOGEN IDEC INC. | Lynn Schenk | Director | Jun 10, 2013 | Sale | $225.82 | 2,000 | 451,633 | 3,920 | Jun 11, 2013, 03:55 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Jun 03, 2013 | Sale | $234.16 | 1,598 | 374,188 | 48,911 | Jun 04, 2013, 03:29 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Jun 03, 2013 | Option/RSU Exercise | $59.82 | 12,825 | 767,191 | 15,480 | Jun 04, 2013, 03:26 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Jun 03, 2013 | Sale | $233.26 | 12,825 | 2,991,605 | 12,047 | Jun 04, 2013, 03:26 PM |
| BIIB | | BIOGEN IDEC INC. | Richard Mulligan | Director | May 29, 2013 | Option/RSU Exercise | $53.43 | 3,000 | 160,290 | 5,020 | May 31, 2013, 12:27 PM |
| BIIB | | BIOGEN IDEC INC. | Alexander J. Denner | Director | May 29, 2013 | Option/RSU Exercise | $53.43 | 3,000 | 160,290 | 7,920 | May 31, 2013, 12:26 PM |
| BIIB | | BIOGEN IDEC INC. | Richard Mulligan | Director | May 28, 2013 | Option/RSU Exercise | $53.43 | 37,975 | 2,029,004 | 37,020 | May 29, 2013, 05:16 PM |
| BIIB | | BIOGEN IDEC INC. | Richard Mulligan | Director | May 28, 2013 | Sale | $240.69 | 37,975 | 9,140,100 | 36,120 | May 29, 2013, 05:16 PM |
| BIIB | | BIOGEN IDEC INC. | Alexander J. Denner | Director | May 28, 2013 | Option/RSU Exercise | $53.43 | 37,975 | 2,029,004 | 39,920 | May 29, 2013, 05:15 PM |
| BIIB | | BIOGEN IDEC INC. | Alexander J. Denner | Director | May 28, 2013 | Sale | $240.57 | 37,975 | 9,135,697 | 37,620 | May 29, 2013, 05:15 PM |
| BIIB | | BIOGEN IDEC INC. | Robert W. Pangia | Director | May 28, 2013 | Sale | $237.23 | 5,900 | 1,399,657 | 12,698 | May 29, 2013, 05:12 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | May 03, 2013 | Tax Payment (Shares) | $218.85 | 866 | 189,524 | 8,710 | May 07, 2013, 01:36 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | May 03, 2013 | Tax Payment (Shares) | $218.85 | 866 | 189,524 | 18,060 | May 07, 2013, 01:33 PM |
| BIIB | | BIOGEN IDEC INC. | Gregory F. Covino | VP, Chief Accounting Officer | May 01, 2013 | Tax Payment (Shares) | $214.33 | 114 | 24,434 | 375 | May 03, 2013, 03:10 PM |
| BIIB | | BIOGEN IDEC INC. | Gregory F. Covino | VP, Chief Accounting Officer | May 01, 2013 | Option/RSU Exercise | - | 347 | - | 489 | May 03, 2013, 03:10 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | May 01, 2013 | Sale | $215.39 | 1,598 | 344,193 | 50,509 | May 03, 2013, 03:07 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Apr 30, 2013 | Sale | $224.66 | 14,489 | 3,255,090 | 19,608 | May 01, 2013, 03:45 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Apr 29, 2013 | Sale | $219.71 | 9,123 | 2,004,414 | 21,576 | May 01, 2013, 03:45 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Apr 01, 2013 | Sale | $193.66 | 1,598 | 309,469 | 52,107 | Apr 03, 2013, 12:31 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Apr 01, 2013 | Sale | $193.66 | 1,598 | 309,469 | 52,107 | Apr 02, 2013, 01:23 PM |
| BIIB | | BIOGEN IDEC INC. | Richard Mulligan | Director | Mar 22, 2013 | Sale | $176.88 | 2,900 | 512,952 | 2,020 | Mar 25, 2013, 02:20 PM |
| BIIB | | BIOGEN IDEC INC. | Stephen A. Sherwin | Director | Mar 22, 2013 | Sale | $176.88 | 1,500 | 265,320 | 2,655 | Mar 25, 2013, 02:18 PM |
| BIIB | | BIOGEN IDEC INC. | Brian S. Posner | Director | Mar 18, 2013 | Sale | $174.81 | 4,500 | 786,645 | 10,150 | Mar 19, 2013, 03:15 PM |
| BIIB | | BIOGEN IDEC INC. | Richard Mulligan | Director | Mar 13, 2013 | Sale | $175.38 | 7,980 | 1,399,530 | 9,920 | Mar 13, 2013, 02:56 PM |
| BIIB | | BIOGEN IDEC INC. | Stelios Papadopoulos | Director | Mar 11, 2013 | Option/RSU Exercise | $58.44 | 46,675 | 2,727,463 | 49,950 | Mar 12, 2013, 02:22 PM |
| BIIB | | BIOGEN IDEC INC. | Stelios Papadopoulos | Director | Mar 11, 2013 | Sale | $172.26 | 46,675 | 8,040,003 | 18,916 | Mar 12, 2013, 02:22 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Mar 01, 2013 | Tax Payment (Shares) | $168.70 | 630 | 106,281 | 9,410 | Mar 04, 2013, 04:42 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Mar 01, 2013 | Sale | $165.30 | 1,598 | 264,149 | 53,705 | Mar 04, 2013, 04:40 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 23, 2013 | Tax Payment (Shares) | $164.40 | 1,227 | 201,719 | 18,759 | Feb 26, 2013, 01:26 PM |
| BIIB | | BIOGEN IDEC INC. | John Cox | EVP Pharmaceutical Oper & Tech | Feb 23, 2013 | Option/RSU Exercise | - | 2,598 | - | 19,986 | Feb 26, 2013, 01:26 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 23, 2013 | Tax Payment (Shares) | $164.40 | 1,803 | 296,413 | 15,135 | Feb 26, 2013, 01:25 PM |
| BIIB | | BIOGEN IDEC INC. | Susan H. Alexander | EVP, Chief Legal Officer | Feb 23, 2013 | Option/RSU Exercise | - | 3,821 | - | 16,938 | Feb 26, 2013, 01:25 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 23, 2013 | Tax Payment (Shares) | $164.40 | 722 | 118,697 | 10,040 | Feb 26, 2013, 01:24 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 23, 2013 | Option/RSU Exercise | - | 1,529 | - | 10,762 | Feb 26, 2013, 01:24 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 23, 2013 | Option/RSU Exercise | - | 4,281 | - | 32,720 | Feb 26, 2013, 01:23 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 23, 2013 | Tax Payment (Shares) | $164.40 | 2,021 | 332,252 | 30,699 | Feb 26, 2013, 01:23 PM |
| BIIB | | BIOGEN IDEC INC. | George A. Scangos | Chief Executive Officer | Feb 13, 2013 | Sale | $163.39 | 1,598 | 261,097 | 55,303 | Feb 14, 2013, 02:59 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 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. | Paul J. Clancy | Executive VP and CFO | Feb 08, 2013 | Option/RSU Exercise | - | 2,765 | - | 26,377 | Feb 12, 2013, 05:24 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 09, 2013 | Tax Payment (Shares) | $164.44 | 1,731 | 284,646 | 28,439 | Feb 12, 2013, 05:24 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 09, 2013 | Option/RSU Exercise | - | 4,692 | - | 30,170 | Feb 12, 2013, 05:24 PM |
| BIIB | | BIOGEN IDEC INC. | Paul J. Clancy | Executive VP and CFO | Feb 08, 2013 | Tax Payment (Shares) | $164.44 | 899 | 147,832 | 25,478 | Feb 12, 2013, 05:24 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 08, 2013 | Tax Payment (Shares) | $164.44 | 940 | 154,574 | 8,386 | Feb 12, 2013, 05:22 PM |
| BIIB | | BIOGEN IDEC INC. | Steven H. Holtzman | EVP Corporate Development | Feb 08, 2013 | Option/RSU Exercise | - | 2,344 | - | 9,326 | Feb 12, 2013, 05:22 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 09, 2013 | Tax Payment (Shares) | $164.44 | 893 | 146,845 | 9,233 | Feb 12, 2013, 05:20 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 09, 2013 | Option/RSU Exercise | - | 1,890 | - | 10,126 | Feb 12, 2013, 05:20 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 08, 2013 | Tax Payment (Shares) | $164.44 | 523 | 86,002 | 8,236 | Feb 12, 2013, 05:20 PM |
| BIIB | | BIOGEN IDEC INC. | Raymond Pawlicki | SVP, Chief Information Officer | Feb 08, 2013 | Option/RSU Exercise | - | 1,106 | - | 8,759 | Feb 12, 2013, 05:20 PM |
