| 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. | 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 | Option/RSU Exercise | $223.92 | 339 | 75,909 | 1,210 | Dec 07, 2021, 04:09 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. | 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 | Tax Payment (Shares) | $338.24 | 2,582 | 873,336 | 3,423 | Sep 03, 2021, 04:08 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. | 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. | 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. | 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 | Option/RSU Exercise | - | 3,156 | - | 6,946 | Feb 17, 2021, 12:00 AM |
| 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. | 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 | Option/RSU Exercise | - | 74 | - | 395 | Dec 07, 2020, 09:08 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. | 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 | Option/RSU Exercise | - | 212 | - | 4,786 | Aug 04, 2020, 04:12 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. | 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 | Tax Payment (Shares) | $333.00 | 130 | 43,290 | 2,542 | Feb 19, 2020, 06:13 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. | 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. | 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. | 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. | Robin Kramer | VP, Chief Accounting Officer | Feb 12, 2020 | Option/RSU Exercise | - | 132 | - | 282 | Feb 14, 2020, 06:37 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. | 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. | 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 | Tax Payment (Shares) | $331.76 | 614 | 203,701 | 3,118 | Feb 14, 2020, 06:27 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. | 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. | 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. | 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 | Tax Payment (Shares) | $294.20 | 406 | 119,445 | 1,813 | Jan 06, 2020, 12:00 AM |
| 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. | Robin Kramer | VP, Chief Accounting Officer | Dec 03, 2019 | Option/RSU Exercise | - | 84 | - | 175 | Dec 05, 2019, 04:24 PM |
| 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. | 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 |
| 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. | Brian S. Posner | Director | Dec 02, 2019 | Sale | $292.35 | 1,055 | 308,429 | 6,995 | Dec 03, 2019, 05:58 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Aug 01, 2019 | Option/RSU Exercise | - | 179 | - | 2,295 | Aug 05, 2019, 04:20 PM |
| BIIB | | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Aug 01, 2019 | Tax Payment (Shares) | $243.06 | 208 | 50,556 | 2,215 | Aug 05, 2019, 04:20 PM |
| BIIB | | BIOGEN INC. | Daniel Karp | EVP, Corporate Development | Jul 02, 2019 | Tax Payment (Shares) | $236.37 | 58 | 13,709 | 264 | Jul 05, 2019, 04:51 PM |
| BIIB | | BIOGEN INC. | Daniel Karp | EVP, Corporate Development | Jul 02, 2019 | Option/RSU Exercise | - | 196 | - | 322 | Jul 05, 2019, 04:51 PM |
| BIIB | | BIOGEN INC. | Michael D. Ehlers | EVP, Research and Development | Jun 01, 2019 | Tax Payment (Shares) | $219.29 | 960 | 210,518 | 8,025 | Jun 04, 2019, 04:56 PM |
| BIIB | | BIOGEN INC. | Michael D. Ehlers | EVP, Research and Development | Jun 01, 2019 | Option/RSU Exercise | - | 1,126 | - | 8,525 | Jun 04, 2019, 04:56 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | May 02, 2019 | Tax Payment (Shares) | $230.52 | 658 | 151,682 | 21,829 | May 06, 2019, 04:20 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | May 02, 2019 | Option/RSU Exercise | - | 1,480 | - | 22,487 | May 06, 2019, 04:20 PM |
| BIIB | | BIOGEN INC. | Alexander J. Denner | Director | Apr 30, 2019 | Buy | $229.25 | 50,342 | 11,540,904 | 575,000 | May 02, 2019, 05:06 PM |
| BIIB | | BIOGEN INC. | Alexander J. Denner | Director | May 01, 2019 | Buy | $229.46 | 30,000 | 6,883,800 | 605,000 | May 02, 2019, 05:06 PM |
| BIIB | | BIOGEN INC. | Alexander J. Denner | Director | May 02, 2019 | Buy | $231.24 | 38,000 | 8,787,120 | 643,000 | May 02, 2019, 05:06 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | May 01, 2019 | Buy | $231.48 | 4,351 | 1,007,169 | 21,007 | May 02, 2019, 04:30 PM |
| BIIB | | BIOGEN INC. | Robert W. Pangia | Director | Mar 18, 2019 | Option/RSU Exercise | $52.22 | 6,114 | 319,273 | 24,701 | Mar 19, 2019, 04:08 PM |
| BIIB | | BIOGEN INC. | Robert W. Pangia | Director | Mar 18, 2019 | Sale | $328.55 | 6,114 | 2,008,755 | 18,587 | Mar 19, 2019, 04:08 PM |
| BIIB | | BIOGEN INC. | Paul Mckenzie | EVP Pharmaceutical Oper & Tech | Mar 01, 2019 | Tax Payment (Shares) | $334.10 | 658 | 219,838 | 7,235 | Mar 05, 2019, 12:00 AM |
| BIIB | | BIOGEN INC. | Paul Mckenzie | EVP Pharmaceutical Oper & Tech | Mar 01, 2019 | Option/RSU Exercise | - | 568 | - | 7,488 | Mar 05, 2019, 12:00 AM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer & Sec. | Feb 22, 2019 | Tax Payment (Shares) | $325.33 | 4,109 | 1,336,781 | 32,715 | Feb 26, 2019, 05:09 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer & Sec. | Feb 22, 2019 | Option/RSU Exercise | $38.51 | 8,058 | 310,285 | 36,085 | Feb 26, 2019, 05:09 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Chief Medical Officer | Feb 22, 2019 | Tax Payment (Shares) | $325.33 | 739 | 240,419 | 10,409 | Feb 26, 2019, 05:07 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Chief Medical Officer | Feb 22, 2019 | Option/RSU Exercise | - | 1,663 | - | 11,148 | Feb 26, 2019, 05:07 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 15, 2019 | Tax Payment (Shares) | $332.87 | 2,340 | 778,916 | 16,574 | Feb 20, 2019, 06:10 PM |
| BIIB | | BIOGEN INC. | Michel Vounatsos | Chief Executive Officer | Feb 15, 2019 | Option/RSU Exercise | - | 5,269 | - | 18,914 | Feb 20, 2019, 06:10 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Chief Medical Officer | Feb 15, 2019 | Tax Payment (Shares) | $332.87 | 586 | 195,062 | 9,485 | Feb 20, 2019, 06:08 PM |
| BIIB | | BIOGEN INC. | Alfred Sandrock | EVP, Chief Medical Officer | Feb 15, 2019 | Option/RSU Exercise | - | 1,318 | - | 10,071 | Feb 20, 2019, 06:08 PM |
| BIIB | | BIOGEN INC. | Paul Mckenzie | EVP Pharmaceutical Oper & Tech | Feb 15, 2019 | Tax Payment (Shares) | $332.87 | 643 | 214,035 | 7,325 | Feb 20, 2019, 06:07 PM |
| BIIB | | BIOGEN INC. | Paul Mckenzie | EVP Pharmaceutical Oper & Tech | Feb 15, 2019 | Option/RSU Exercise | - | 1,448 | - | 7,968 | Feb 20, 2019, 06:07 PM |
| BIIB | | BIOGEN INC. | Michael D. Ehlers | EVP, Research and Development | Feb 15, 2019 | Option/RSU Exercise | - | 1,685 | - | 8,526 | Feb 20, 2019, 05:54 PM |
| BIIB | | BIOGEN INC. | Michael D. Ehlers | EVP, Research and Development | Feb 15, 2019 | Tax Payment (Shares) | $332.87 | 749 | 249,320 | 7,777 | Feb 20, 2019, 05:54 PM |
| BIIB | | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer & Sec. | Feb 15, 2019 | Tax Payment (Shares) | $332.87 | 749 | 249,320 | 28,027 | Feb 20, 2019, 05:53 PM |
