| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 16, 2024 | Option/RSU Exercise | - | 5,037 | - | 52,506 | Feb 21, 2024, 09:39 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 2,264 | 495,997 | 13,584 | Feb 21, 2024, 09:36 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 16, 2024 | Option/RSU Exercise | - | 4,704 | - | 14,341 | Feb 21, 2024, 09:36 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 952 | 208,564 | 9,701 | Feb 21, 2024, 09:33 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 16, 2024 | Option/RSU Exercise | - | 2,017 | - | 10,014 | Feb 21, 2024, 09:33 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 16, 2024 | Option/RSU Exercise | - | 1,345 | - | 6,354 | Feb 21, 2024, 09:31 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 396 | 86,756 | 6,227 | Feb 21, 2024, 09:31 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 3,438 | 753,197 | 19,406 | Feb 21, 2024, 09:29 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 16, 2024 | Option/RSU Exercise | - | 6,720 | - | 20,692 | Feb 21, 2024, 09:29 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 610 | 133,639 | 9,418 | Feb 21, 2024, 09:28 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 16, 2024 | Option/RSU Exercise | - | 1,260 | - | 9,624 | Feb 21, 2024, 09:28 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 468 | 102,529 | 5,256 | Feb 21, 2024, 09:27 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 16, 2024 | Option/RSU Exercise | - | 1,208 | - | 5,429 | Feb 21, 2024, 09:27 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 16, 2024 | Sale | $221.49 | 108 | 23,921 | 5,148 | Feb 21, 2024, 09:27 PM |
| BIIB | | BIOGEN INC. | Eric K. Rowinsky | Director | Feb 15, 2024 | Buy | $222.54 | 455 | 101,256 | 20,629 | Feb 20, 2024, 09:13 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 634 | 152,781 | 11,144 | Feb 13, 2024, 06:14 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 09, 2024 | Option/RSU Exercise | - | 2,158 | - | 11,778 | Feb 13, 2024, 06:14 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 374 | 90,127 | 4,935 | Feb 13, 2024, 06:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 09, 2024 | Option/RSU Exercise | - | 1,212 | - | 5,309 | Feb 13, 2024, 06:06 PM |
| BIIB | | BIOGEN INC. | Priya Singhal | Head of Development | Feb 12, 2024 | Sale | $239.45 | 419 | 100,330 | 4,516 | Feb 13, 2024, 06:06 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 761 | 183,386 | 8,768 | Feb 13, 2024, 06:04 PM |
| BIIB | | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 09, 2024 | Option/RSU Exercise | - | 2,272 | - | 9,529 | Feb 13, 2024, 06:04 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 1,431 | 344,842 | 16,124 | Feb 13, 2024, 06:03 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 09, 2024 | Option/RSU Exercise | - | 3,257 | - | 17,555 | Feb 13, 2024, 06:03 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 245 | 59,040 | 5,278 | Feb 13, 2024, 06:01 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 09, 2024 | Option/RSU Exercise | - | 833 | - | 5,523 | Feb 13, 2024, 06:01 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 09, 2024 | Option/RSU Exercise | - | 1,515 | - | 9,081 | Feb 13, 2024, 06:00 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 445 | 107,236 | 8,636 | Feb 13, 2024, 06:00 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 09, 2024 | Option/RSU Exercise | - | 2,575 | - | 50,021 | Feb 13, 2024, 05:56 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 09, 2024 | Tax Payment (Shares) | $240.98 | 938 | 226,039 | 49,083 | Feb 13, 2024, 05:56 PM |
| 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 |