| 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. | 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. | 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 | Tax Payment (Shares) | $199.79 | 2,428 | 485,090 | 6,745 | Sep 06, 2022, 07:31 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. | 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 | Option/RSU Exercise | - | 252 | - | 2,092 | Jul 06, 2022, 07:33 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. | 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 | Tax Payment (Shares) | $209.79 | 2,746 | 576,083 | 67,261 | Feb 23, 2022, 04:21 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. | 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 | Tax Payment (Shares) | $209.79 | 616 | 129,231 | 11,219 | Feb 23, 2022, 04:15 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. | 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 | Option/RSU Exercise | - | 2,280 | - | 45,646 | Feb 15, 2022, 04:17 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. | 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 |
| BIIB | | BIOGEN INC. | Chirfi Guindo | Head of Glob Prod Strat & Com | Feb 12, 2022 | Option/RSU Exercise | - | 2,597 | - | 8,044 | Feb 15, 2022, 04:15 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Aug 09, 2021 | Gift | - | 523 | - | 41,053 | Jan 21, 2022, 04:44 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 03, 2021 | Tax Payment (Shares) | $223.92 | 100 | 22,392 | 1,132 | Dec 07, 2021, 04:09 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 03, 2021 | Option/RSU Exercise | $223.92 | 339 | 75,909 | 1,210 | Dec 07, 2021, 04:09 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Dec 02, 2021 | Tax Payment (Shares) | $228.52 | 165 | 37,706 | 1,106 | Dec 06, 2021, 04:14 PM |
| BIIB | | BIOGEN INC. | Rachid Izzar | Head of Alzheimer's Disease | Dec 02, 2021 | Option/RSU Exercise | $228.52 | 372 | 85,009 | 1,271 | Dec 06, 2021, 04:14 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2021 | Option/RSU Exercise | $338.24 | 6,005 | 2,031,131 | 4,864 | Sep 03, 2021, 04:08 PM |
| BIIB | | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Sep 01, 2021 | Tax Payment (Shares) | $338.24 | 2,582 | 873,336 | 3,423 | Sep 03, 2021, 04:08 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jul 01, 2021 | Tax Payment (Shares) | $348.92 | 74 | 25,820 | 871 | Jul 02, 2021, 04:34 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Jul 01, 2021 | Option/RSU Exercise | $348.92 | 251 | 87,579 | 945 | Jul 02, 2021, 04:34 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | Head of Research & Development | Jun 07, 2021 | Sale | $440.00 | 7,672 | 3,375,680 | 10,169 | Jun 09, 2021, 07:05 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | Head of Glob Prod Strat & Com | Jun 07, 2021 | Sale | $440.00 | 3,087 | 1,358,280 | 2,919 | Jun 09, 2021, 07:04 PM |
| BIIB | | BIOGEN INC. | Brian S. Posner | Director | Jun 04, 2021 | Sale | $274.17 | 360 | 98,701 | 7,400 | Jun 07, 2021, 07:02 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 14,473 | 4,023,928 | 57,669 | Feb 17, 2021, 05:03 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 12, 2021 | Option/RSU Exercise | - | 16,289 | - | 60,194 | Feb 17, 2021, 05:03 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 3,510 | 975,885 | 19,138 | Feb 17, 2021, 05:01 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 12, 2021 | Option/RSU Exercise | - | 4,454 | - | 19,715 | Feb 17, 2021, 05:01 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | SVP, Chief Accounting Officer | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 115 | 31,973 | 664 | Feb 17, 2021, 04:59 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | SVP, Chief Accounting Officer | Feb 12, 2021 | Option/RSU Exercise | - | 333 | - | 706 | Feb 17, 2021, 04:59 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 2,182 | 606,661 | 8,892 | Feb 17, 2021, 04:56 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2021 | Option/RSU Exercise | - | 2,923 | - | 9,288 | Feb 17, 2021, 04:56 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 715 | 198,791 | 4,681 | Feb 17, 2021, 04:54 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 12, 2021 | Option/RSU Exercise | - | 1,573 | - | 4,765 | Feb 17, 2021, 04:54 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 3,896 | 1,083,205 | 42,805 | Feb 17, 2021, 04:52 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2021 | Option/RSU Exercise | - | 4,355 | - | 43,509 | Feb 17, 2021, 04:52 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Feb 12, 2021 | Tax Payment (Shares) | $278.03 | 940 | 261,348 | 6,483 | Feb 17, 2021, 12:00 AM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Feb 12, 2021 | Option/RSU Exercise | - | 3,156 | - | 6,946 | Feb 17, 2021, 12:00 AM |
| BIIB | | BIOGEN INC. | Jesus B. Mantas | Director | Feb 09, 2021 | Buy | $267.00 | 898 | 239,766 | 2,943 | Feb 10, 2021, 04:31 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Dec 03, 2020 | Tax Payment (Shares) | $244.09 | 22 | 5,370 | 373 | Dec 07, 2020, 09:08 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Dec 03, 2020 | Option/RSU Exercise | - | 74 | - | 395 | Dec 07, 2020, 09:08 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Dec 01, 2020 | Tax Payment (Shares) | $243.16 | 562 | 136,656 | 3,790 | Dec 03, 2020, 05:41 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Dec 01, 2020 | Option/RSU Exercise | - | 481 | - | 4,004 | Dec 03, 2020, 05:41 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Nov 30, 2020 | Buy | $241.30 | 3,100 | 748,045 | 34,810 | Dec 01, 2020, 04:57 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Nov 04, 2020 | Sale | $350.00 | 1,500 | 525,000 | 13,066 | Nov 06, 2020, 09:39 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Jul 31, 2020 | Tax Payment (Shares) | $274.69 | 223 | 61,256 | 4,691 | Aug 04, 2020, 04:12 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Jul 31, 2020 | Option/RSU Exercise | - | 212 | - | 4,786 | Aug 04, 2020, 04:12 PM |
| BIIB | | BIOGEN INC. | Stephen A. Sherwin | Director | Mar 11, 2020 | Option/RSU Exercise | $58.46 | 12,278 | 717,772 | 16,517 | Mar 12, 2020, 06:56 PM |
| BIIB | | BIOGEN INC. | Stephen A. Sherwin | Director | Mar 11, 2020 | Sale | $295.22 | 2,434 | 718,574 | 15,438 | Mar 12, 2020, 06:56 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 15, 2020 | Tax Payment (Shares) | $333.00 | 2,150 | 715,950 | 31,625 | Feb 19, 2020, 06:20 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 15, 2020 | Option/RSU Exercise | - | 4,847 | - | 33,775 | Feb 19, 2020, 06:20 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 15, 2020 | Tax Payment (Shares) | $333.00 | 538 | 179,154 | 14,481 | Feb 19, 2020, 06:17 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 15, 2020 | Option/RSU Exercise | - | 1,213 | - | 15,019 | Feb 19, 2020, 06:17 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 15, 2020 | Option/RSU Exercise | - | 441 | - | 2,672 | Feb 19, 2020, 06:13 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 15, 2020 | Tax Payment (Shares) | $333.00 | 130 | 43,290 | 2,542 | Feb 19, 2020, 06:13 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 15, 2020 | Tax Payment (Shares) | $333.00 | 689 | 229,437 | 36,572 | Feb 19, 2020, 06:09 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 15, 2020 | Option/RSU Exercise | - | 1,553 | - | 37,261 | Feb 19, 2020, 06:09 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Feb 12, 2020 | Option/RSU Exercise | - | 132 | - | 282 | Feb 14, 2020, 06:37 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 46 | 15,261 | 236 | Feb 14, 2020, 06:37 PM |
| BIIB | | BIOGEN INC. | Daniel Karp | EVP, Corporate Development | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 294 | 97,537 | 930 | Feb 14, 2020, 06:36 PM |
| BIIB | | BIOGEN INC. | Daniel Karp | EVP, Corporate Development | Feb 12, 2020 | Option/RSU Exercise | - | 960 | - | 1,224 | Feb 14, 2020, 06:36 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 504 | 167,207 | 3,871 | Feb 14, 2020, 06:34 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Feb 12, 2020 | Option/RSU Exercise | - | 1,680 | - | 4,375 | Feb 14, 2020, 06:34 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 1,159 | 384,510 | 4,603 | Feb 14, 2020, 06:32 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 12, 2020 | Option/RSU Exercise | - | 3,547 | - | 5,021 | Feb 14, 2020, 06:32 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 351 | 116,448 | 2,231 | Feb 14, 2020, 06:30 PM |
| BIIB | | BIOGEN INC. | Alphonse Galdes | EVP Pharmaceutical Oper & Tech | Feb 12, 2020 | Option/RSU Exercise | - | 1,154 | - | 2,337 | Feb 14, 2020, 06:30 PM |
| BIIB | | BIOGEN INC. | Jeffrey D. Capello | EVP & Chief Financial Officer | Feb 12, 2020 | Option/RSU Exercise | - | 1,919 | - | 3,732 | Feb 14, 2020, 06:27 PM |
| BIIB | | BIOGEN INC. | Jeffrey D. Capello | EVP & Chief Financial Officer | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 614 | 203,701 | 3,118 | Feb 14, 2020, 06:27 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 2,235 | 741,484 | 35,708 | Feb 14, 2020, 06:25 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Off & Corp Sec | Feb 12, 2020 | Option/RSU Exercise | - | 5,967 | - | 36,389 | Feb 14, 2020, 06:25 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 4,895 | 1,623,965 | 28,928 | Feb 14, 2020, 06:19 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 12, 2020 | Option/RSU Exercise | - | 11,994 | - | 31,483 | Feb 14, 2020, 06:19 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 12, 2020 | Tax Payment (Shares) | $331.76 | 1,901 | 630,676 | 13,806 | Feb 14, 2020, 06:16 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Research & Development | Feb 12, 2020 | Option/RSU Exercise | - | 5,216 | - | 14,509 | Feb 14, 2020, 06:16 PM |
| BIIB | | BIOGEN INC. | Jeffrey D. Capello | EVP & Chief Financial Officer | Jan 02, 2020 | Option/RSU Exercise | - | 1,302 | - | 2,219 | Jan 06, 2020, 12:00 AM |
| BIIB | | BIOGEN INC. | Jeffrey D. Capello | EVP & Chief Financial Officer | Jan 02, 2020 | Tax Payment (Shares) | $294.20 | 406 | 119,445 | 1,813 | Jan 06, 2020, 12:00 AM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Dec 03, 2019 | Tax Payment (Shares) | $290.70 | 25 | 7,268 | 150 | Dec 05, 2019, 04:24 PM |
| BIIB | | BIOGEN INC. | Robin Kramer | VP, Chief Accounting Officer | Dec 03, 2019 | Option/RSU Exercise | - | 84 | - | 175 | Dec 05, 2019, 04:24 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Dec 01, 2019 | Option/RSU Exercise | - | 543 | - | 2,855 | Dec 03, 2019, 05:59 PM |
| BIIB | | BIOGEN INC. | Chirfi Guindo | EVP Glob. Prod Strat and Comm | Dec 01, 2019 | Tax Payment (Shares) | $299.81 | 391 | 117,226 | 2,695 | Dec 03, 2019, 05:59 PM |
