| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 655 | 157,397 | 47,446 | Feb 09, 2024, 08:16 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 08, 2024 | Option/RSU Exercise | - | 2,190 | - | 48,101 | Feb 09, 2024, 08:16 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 498 | 119,669 | 9,620 | Feb 09, 2024, 08:14 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 08, 2024 | Option/RSU Exercise | - | 1,635 | - | 10,118 | Feb 09, 2024, 08:14 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 621 | 149,226 | 7,566 | Feb 09, 2024, 08:11 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 08, 2024 | Option/RSU Exercise | - | 2,043 | - | 8,187 | Feb 09, 2024, 08:11 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 253 | 60,796 | 4,690 | Feb 09, 2024, 08:06 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 08, 2024 | Option/RSU Exercise | - | 788 | - | 4,943 | Feb 09, 2024, 08:06 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 765 | 183,830 | 14,298 | Feb 09, 2024, 08:03 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 08, 2024 | Option/RSU Exercise | - | 2,335 | - | 15,063 | Feb 09, 2024, 08:03 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 08, 2024 | Tax Payment (Shares) | $240.30 | 638 | 153,311 | 7,257 | Feb 09, 2024, 08:01 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 08, 2024 | Option/RSU Exercise | - | 2,101 | - | 7,895 | Feb 09, 2024, 08:01 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 02, 2024 | Sale | $245.93 | 634 | 155,920 | 4,097 | Feb 05, 2024, 06:38 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 01, 2024 | Tax Payment (Shares) | $247.83 | 561 | 139,033 | 4,731 | Feb 05, 2024, 06:38 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 01, 2024 | Option/RSU Exercise | - | 1,828 | - | 5,292 | Feb 05, 2024, 06:38 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Dec 08, 2023 | Tax Payment (Shares) | $239.29 | 206 | 49,294 | 3,574 | Dec 12, 2023, 05:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Dec 08, 2023 | Option/RSU Exercise | - | 426 | - | 3,780 | Dec 12, 2023, 05:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Dec 11, 2023 | Sale | $248.00 | 110 | 27,280 | 3,464 | Dec 12, 2023, 05:06 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 08, 2023 | Tax Payment (Shares) | $239.29 | 170 | 40,679 | 4,155 | Dec 12, 2023, 05:02 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 08, 2023 | Option/RSU Exercise | - | 351 | - | 4,325 | Dec 12, 2023, 05:02 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2023 | Tax Payment (Shares) | $267.17 | 2,704 | 722,428 | 12,728 | Sep 06, 2023, 06:08 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2023 | Option/RSU Exercise | - | 5,285 | - | 14,060 | Sep 06, 2023, 06:08 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Sep 01, 2023 | Option/RSU Exercise | - | 1,668 | - | 4,592 | Sep 06, 2023, 06:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Sep 05, 2023 | Sale | $269.43 | 431 | 116,124 | 3,354 | Sep 06, 2023, 06:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Sep 01, 2023 | Tax Payment (Shares) | $267.17 | 807 | 215,606 | 3,785 | Sep 06, 2023, 06:06 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Jun 30, 2023 | Tax Payment (Shares) | $284.85 | 244 | 69,503 | 6,144 | Jul 05, 2023, 05:37 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Jun 30, 2023 | Option/RSU Exercise | - | 504 | - | 6,388 | Jul 05, 2023, 05:37 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jun 30, 2023 | Tax Payment (Shares) | $284.85 | 122 | 34,752 | 3,974 | Jul 05, 2023, 05:35 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jun 30, 2023 | Option/RSU Exercise | - | 252 | - | 4,096 | Jul 05, 2023, 05:35 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Jun 30, 2023 | Tax Payment (Shares) | $284.85 | 153 | 43,582 | 3,005 | Jul 05, 2023, 05:33 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Jun 30, 2023 | Option/RSU Exercise | - | 315 | - | 3,158 | Jul 05, 2023, 05:33 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Jul 03, 2023 | Sale | $282.87 | 81 | 22,912 | 2,924 | Jul 05, 2023, 05:33 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Apr 28, 2023 | Sale | $300.00 | 2,681 | 804,300 | 8,483 | May 02, 2023, 08:05 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Apr 04, 2023 | Sale | $277.11 | 91 | 25,217 | 2,843 | Apr 06, 2023, 06:37 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Mar 31, 2023 | Tax Payment (Shares) | $278.03 | 116 | 32,251 | 5,702 | Apr 04, 2023, 05:21 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Mar 31, 2023 | Option/RSU Exercise | - | 239 | - | 5,818 | Apr 04, 2023, 05:21 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Mar 28, 2023 | Sale | $270.06 | 568 | 153,394 | 2,842 | Mar 30, 2023, 06:31 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Mar 02, 2023 | Tax Payment (Shares) | $268.75 | 687 | 184,631 | 3,410 | Mar 06, 2023, 06:13 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Mar 02, 2023 | Option/RSU Exercise | - | 297 | - | 3,554 | Mar 06, 2023, 06:13 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 17, 2023 | Option/RSU Exercise | - | 460 | - | 3,951 | Feb 22, 2023, 05:07 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 151 | 42,035 | 3,800 | Feb 22, 2023, 05:07 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 233 | 64,863 | 5,099 | Feb 22, 2023, 05:06 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 17, 2023 | Option/RSU Exercise | - | 480 | - | 5,579 | Feb 22, 2023, 05:06 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 1,310 | 364,678 | 7,586 | Feb 22, 2023, 05:03 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 17, 2023 | Option/RSU Exercise | - | 2,561 | - | 10,147 | Feb 22, 2023, 05:03 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 238 | 66,254 | 3,332 | Feb 22, 2023, 05:01 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 17, 2023 | Option/RSU Exercise | - | 512 | - | 3,844 | Feb 22, 2023, 05:01 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 371 | 103,279 | 5,117 | Feb 22, 2023, 04:57 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 17, 2023 | Option/RSU Exercise | - | 767 | - | 5,884 | Feb 22, 2023, 04:57 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 17, 2023 | Option/RSU Exercise | - | 1,792 | - | 11,072 | Feb 22, 2023, 04:54 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 867 | 241,355 | 9,280 | Feb 22, 2023, 04:54 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 17, 2023 | Tax Payment (Shares) | $278.38 | 929 | 258,615 | 45,911 | Feb 22, 2023, 04:49 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 17, 2023 | Option/RSU Exercise | - | 1,920 | - | 46,840 | Feb 22, 2023, 04:49 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 4,202 | 1,203,033 | 47,657 | Feb 14, 2023, 09:46 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 10, 2023 | Option/RSU Exercise | - | 4,023 | - | 48,358 | Feb 14, 2023, 09:46 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 3,306 | 946,508 | 12,257 | Feb 14, 2023, 09:44 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 10, 2023 | Option/RSU Exercise | - | 3,290 | - | 12,805 | Feb 14, 2023, 09:44 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 1,324 | 379,061 | 6,130 | Feb 14, 2023, 09:41 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 10, 2023 | Option/RSU Exercise | - | 1,968 | - | 6,359 | Feb 14, 2023, 09:41 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 10, 2023 | Option/RSU Exercise | - | 1,061 | - | 3,932 | Feb 14, 2023, 09:37 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 590 | 168,917 | 3,831 | Feb 14, 2023, 09:37 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 1,105 | 316,361 | 8,896 | Feb 14, 2023, 09:25 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 10, 2023 | Option/RSU Exercise | - | 3,256 | - | 10,001 | Feb 14, 2023, 09:25 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 1,387 | 397,098 | 5,694 | Feb 14, 2023, 09:23 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 10, 2023 | Option/RSU Exercise | - | 2,611 | - | 6,379 | Feb 14, 2023, 09:23 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 10, 2023 | Option/RSU Exercise | - | 1,211 | - | 3,863 | Feb 14, 2023, 09:21 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 10, 2023 | Tax Payment (Shares) | $286.30 | 372 | 106,504 | 3,491 | Feb 14, 2023, 09:21 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Nov 14, 2022 | Sale | $300.11 | 5,610 | 1,683,617 | 5,711 | Dec 12, 2022, 08:00 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 08, 2022 | Tax Payment (Shares) | $289.10 | 156 | 45,100 | 2,212 | Dec 12, 2022, 06:04 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 08, 2022 | Option/RSU Exercise | - | 350 | - | 2,368 | Dec 12, 2022, 06:04 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Dec 02, 2022 | Option/RSU Exercise | - | 1,710 | - | 3,395 | Dec 06, 2022, 06:37 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Dec 02, 2022 | Tax Payment (Shares) | $298.90 | 759 | 226,865 | 3,061 | Dec 06, 2022, 06:37 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Dec 02, 2022 | Tax Payment (Shares) | $298.90 | 39 | 11,657 | 2,768 | Dec 06, 2022, 06:33 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Dec 02, 2022 | Option/RSU Exercise | - | 131 | - | 2,807 | Dec 06, 2022, 06:33 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Oct 27, 2022 | Sale | $280.70 | 5,532 | 1,552,832 | 39,396 | Oct 28, 2022, 07:19 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2022 | Option/RSU Exercise | - | 4,746 | - | 7,801 | Sep 06, 2022, 07:31 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2022 | Tax Payment (Shares) | $199.79 | 2,428 | 485,090 | 6,745 | Sep 06, 2022, 07:31 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Aug 01, 2022 | Tax Payment (Shares) | $209.26 | 319 | 66,754 | 2,676 | Aug 03, 2022, 05:40 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Aug 01, 2022 | Option/RSU Exercise | - | 1,080 | - | 2,919 | Aug 03, 2022, 05:40 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jul 01, 2022 | Tax Payment (Shares) | $210.63 | 74 | 15,587 | 2,018 | Jul 06, 2022, 07:33 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jul 01, 2022 | Option/RSU Exercise | - | 252 | - | 2,092 | Jul 06, 2022, 07:33 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Jul 01, 2022 | Tax Payment (Shares) | $210.63 | 148 | 31,173 | 2,110 | Jul 06, 2022, 07:28 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Jul 01, 2022 | Option/RSU Exercise | - | 504 | - | 2,258 | Jul 06, 2022, 07:28 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Apr 01, 2022 | Tax Payment (Shares) | $210.65 | 84 | 17,695 | 1,813 | Apr 05, 2022, 05:44 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Apr 01, 2022 | Option/RSU Exercise | - | 239 | - | 1,897 | Apr 05, 2022, 05:44 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 18, 2022 | Option/RSU Exercise | - | 6,191 | - | 70,007 | Feb 23, 2022, 04:21 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 18, 2022 | Tax Payment (Shares) | $209.79 | 2,746 | 576,083 | 67,261 | Feb 23, 2022, 04:21 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 18, 2022 | Tax Payment (Shares) | $209.79 | 110 | 23,077 | 1,658 | Feb 23, 2022, 04:20 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 18, 2022 | Option/RSU Exercise | - | 371 | - | 1,768 | Feb 23, 2022, 04:20 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 18, 2022 | Tax Payment (Shares) | $209.79 | 977 | 204,965 | 4,427 | Feb 23, 2022, 04:19 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 18, 2022 | Option/RSU Exercise | - | 1,981 | - | 5,404 | Feb 23, 2022, 04:19 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 18, 2022 | Option/RSU Exercise | - | 1,387 | - | 11,835 | Feb 23, 2022, 04:15 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 18, 2022 | Tax Payment (Shares) | $209.79 | 616 | 129,231 | 11,219 | Feb 23, 2022, 04:15 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 18, 2022 | Tax Payment (Shares) | $209.79 | 659 | 138,252 | 44,928 | Feb 23, 2022, 04:14 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 18, 2022 | Option/RSU Exercise | - | 1,485 | - | 45,587 | Feb 23, 2022, 04:14 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2022 | Tax Payment (Shares) | $214.59 | 2,056 | 441,197 | 45,146 | Feb 15, 2022, 04:17 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2022 | Option/RSU Exercise | - | 2,280 | - | 45,646 | Feb 15, 2022, 04:17 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2022 | Tax Payment (Shares) | $214.59 | 1,252 | 268,667 | 11,032 | Feb 15, 2022, 04:16 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2022 | Option/RSU Exercise | - | 1,672 | - | 11,422 | Feb 15, 2022, 04:16 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | Head of Glob Prod Strat & Com | Feb 12, 2022 | Tax Payment (Shares) | $214.59 | 2,342 | 502,570 | 7,451 | Feb 15, 2022, 04:15 PM |
