| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BIIB | BIOGEN INC. | Menelas N. Pangalos | Director | Jun 09, 2026 | Option/RSU Exercise | - | 2,370 | - | 2,370 | Jun 11, 2026, 05:21 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2026 | Option/RSU Exercise | - | 939 | - | 6,820 | May 05, 2026, 04:11 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2026 | Tax Payment (Shares) | $187.06 | 455 | 85,112 | 6,365 | May 05, 2026, 04:11 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Apr 01, 2026 | Tax Payment (Shares) | $183.78 | 54 | 9,924 | 1,342 | Apr 03, 2026, 04:05 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Apr 01, 2026 | Option/RSU Exercise | - | 181 | - | 1,396 | Apr 03, 2026, 04:05 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 12, 2026 | Buy | $195.04 | 3 | 585 | 19,611 | Feb 17, 2026, 08:16 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 10,980 | 2,208,956 | 29,924 | Feb 10, 2026, 05:06 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 06, 2026 | Option/RSU Exercise | - | 24,461 | - | 36,548 | Feb 10, 2026, 05:06 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 09, 2026 | Sale | $199.83 | 2,660 | 531,548 | 8,043 | Feb 10, 2026, 05:05 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 2,468 | 496,512 | 10,703 | Feb 10, 2026, 05:05 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 06, 2026 | Option/RSU Exercise | - | 6,900 | - | 12,115 | Feb 10, 2026, 05:05 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 3,339 | 671,740 | 19,608 | Feb 10, 2026, 05:03 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 06, 2026 | Option/RSU Exercise | - | 8,725 | - | 21,016 | Feb 10, 2026, 05:03 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Financial Officer | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 1,543 | 310,421 | 11,472 | Feb 10, 2026, 05:02 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Financial Officer | Feb 06, 2026 | Option/RSU Exercise | - | 5,003 | - | 12,535 | Feb 10, 2026, 05:02 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 1,583 | 318,468 | 5,881 | Feb 10, 2026, 05:01 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | Feb 06, 2026 | Option/RSU Exercise | - | 5,080 | - | 6,875 | Feb 10, 2026, 05:01 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 2,038 | 410,005 | 11,011 | Feb 10, 2026, 05:00 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 06, 2026 | Option/RSU Exercise | - | 6,889 | - | 11,786 | Feb 10, 2026, 05:00 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 991 | 199,369 | 4,058 | Feb 10, 2026, 04:59 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Feb 06, 2026 | Option/RSU Exercise | - | 3,258 | - | 4,642 | Feb 10, 2026, 04:59 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 2,589 | 520,855 | 22,359 | Feb 10, 2026, 04:58 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 06, 2026 | Option/RSU Exercise | - | 7,183 | - | 23,491 | Feb 10, 2026, 04:58 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 359 | 72,224 | 1,215 | Feb 10, 2026, 04:56 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Feb 06, 2026 | Option/RSU Exercise | - | 1,079 | - | 1,395 | Feb 10, 2026, 04:56 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 06, 2026 | Option/RSU Exercise | - | 9,046 | - | 43,321 | Feb 10, 2026, 04:55 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 06, 2026 | Tax Payment (Shares) | $201.18 | 3,504 | 704,935 | 41,807 | Feb 10, 2026, 04:55 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 02, 2026 | Sale | $179.30 | 748 | 134,116 | 6,271 | Feb 03, 2026, 05:17 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Jan 30, 2026 | Tax Payment (Shares) | $179.89 | 582 | 104,696 | 7,019 | Feb 03, 2026, 05:17 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Jan 30, 2026 | Option/RSU Exercise | - | 1,829 | - | 7,601 | Feb 03, 2026, 05:17 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Dec 01, 2025 | Tax Payment (Shares) | $177.78 | 3,404 | 605,163 | 16,443 | Dec 03, 2025, 04:42 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Dec 01, 2025 | Option/RSU Exercise | - | 7,040 | - | 19,847 | Dec 03, 2025, 04:42 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Oct 31, 2025 | Option/RSU Exercise | - | 695 | - | 2,128 | Nov 04, 2025, 04:12 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Oct 31, 2025 | Tax Payment (Shares) | $154.27 | 337 | 51,989 | 1,791 | Nov 04, 2025, 04:12 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Oct 02, 2025 | Tax Payment (Shares) | $155.25 | 8 | 1,242 | 495 | Oct 06, 2025, 01:00 PM | |
| BIIB | BIOGEN INC. | Sean Godbout | Chief Accounting Officer | Oct 02, 2025 | Option/RSU Exercise | - | 26 | - | 503 | Oct 06, 2025, 01:00 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Aug 29, 2025 | Tax Payment (Shares) | $132.22 | 807 | 106,702 | 6,289 | Sep 02, 2025, 05:56 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Aug 29, 2025 | Option/RSU Exercise | - | 1,669 | - | 7,096 | Sep 02, 2025, 05:56 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Sep 02, 2025 | Sale | $133.55 | 517 | 69,045 | 5,772 | Sep 02, 2025, 05:56 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Jul 08, 2025 | Sale | $135.00 | 2,223 | 300,105 | 6,330 | Jul 16, 2025, 05:55 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | May 19, 2025 | Sale | $126.25 | 3,806 | 480,508 | 5,427 | May 20, 2025, 04:05 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2025 | Tax Payment (Shares) | $120.93 | 454 | 54,902 | 2,384 | May 05, 2025, 04:19 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2025 | Option/RSU Exercise | - | 938 | - | 2,838 | May 05, 2025, 04:19 PM | |
| BIIB | BIOGEN INC. | Caroline Dorsa | Director | May 02, 2025 | Buy | $122.72 | 1,235 | 151,559 | 27,842 | May 05, 2025, 04:17 PM | |
| BIIB | BIOGEN INC. | Stephen A. Sherwin | Director | Mar 07, 2025 | Sale | $150.02 | 8,760 | 1,314,142 | 11,318 | Mar 10, 2025, 04:09 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 357 | 50,887 | 9,066 | Feb 12, 2025, 05:48 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 10, 2025 | Option/RSU Exercise | - | 1,212 | - | 9,423 | Feb 12, 2025, 05:48 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 670 | 95,502 | 14,055 | Feb 12, 2025, 05:47 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 10, 2025 | Option/RSU Exercise | - | 2,272 | - | 14,725 | Feb 12, 2025, 05:47 PM | |
| BIIB | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 1,371 | 195,422 | 24,341 | Feb 12, 2025, 05:46 PM | |
| BIIB | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 10, 2025 | Option/RSU Exercise | - | 3,257 | - | 25,712 | Feb 12, 2025, 05:46 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 245 | 34,922 | 8,012 | Feb 12, 2025, 05:44 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 10, 2025 | Option/RSU Exercise | - | 834 | - | 8,257 | Feb 12, 2025, 05:44 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 634 | 90,370 | 17,598 | Feb 12, 2025, 05:43 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 10, 2025 | Option/RSU Exercise | - | 2,159 | - | 18,232 | Feb 12, 2025, 05:43 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 807 | 115,030 | 36,265 | Feb 12, 2025, 05:42 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 10, 2025 | Option/RSU Exercise | - | 2,575 | - | 37,072 | Feb 12, 2025, 05:42 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 10, 2025 | Tax Payment (Shares) | $142.54 | 445 | 63,430 | 8,553 | Feb 12, 2025, 05:40 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 10, 2025 | Option/RSU Exercise | - | 1,515 | - | 8,998 | Feb 12, 2025, 05:40 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 1,165 | 164,673 | 6,624 | Feb 11, 2025, 09:52 PM | |
| BIIB | BIOGEN INC. | Rachid Izzar | Head of Global Product Strat. | Feb 07, 2025 | Option/RSU Exercise | - | 3,844 | - | 7,860 | Feb 11, 2025, 09:52 PM | |
| BIIB | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 1,502 | 212,308 | 22,455 | Feb 10, 2025, 06:59 PM | |
| BIIB | BIOGEN INC. | Michael R. Mcdonnell | EVP, Chief Financial Officer | Feb 07, 2025 | Option/RSU Exercise | - | 4,551 | - | 23,171 | Feb 10, 2025, 06:59 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 3,201 | 452,461 | 12,807 | Feb 10, 2025, 06:55 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 07, 2025 | Option/RSU Exercise | - | 9,008 | - | 16,008 | Feb 10, 2025, 06:55 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 443 | 62,618 | 1,433 | Feb 10, 2025, 06:52 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Feb 07, 2025 | Option/RSU Exercise | - | 1,385 | - | 1,876 | Feb 10, 2025, 06:52 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 563 | 79,580 | 1,900 | Feb 10, 2025, 06:51 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | Feb 07, 2025 | Option/RSU Exercise | - | 1,801 | - | 2,463 | Feb 10, 2025, 06:51 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 07, 2025 | Option/RSU Exercise | - | 1,491 | - | 7,667 | Feb 10, 2025, 06:48 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 476 | 67,283 | 7,423 | Feb 10, 2025, 06:48 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 1,223 | 172,871 | 12,453 | Feb 10, 2025, 06:47 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Feb 07, 2025 | Option/RSU Exercise | - | 4,042 | - | 13,056 | Feb 10, 2025, 06:47 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 681 | 96,259 | 8,211 | Feb 10, 2025, 06:45 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 07, 2025 | Option/RSU Exercise | - | 2,216 | - | 8,892 | Feb 10, 2025, 06:45 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 1,040 | 147,004 | 16,073 | Feb 10, 2025, 06:44 PM | |
| BIIB | BIOGEN INC. | Ginger Gregory | EVP, Human Resources | Feb 07, 2025 | Option/RSU Exercise | - | 3,436 | - | 16,633 | Feb 10, 2025, 06:44 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 1,234 | 174,426 | 34,497 | Feb 10, 2025, 06:42 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 07, 2025 | Option/RSU Exercise | - | 4,130 | - | 35,088 | Feb 10, 2025, 06:42 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Jan 31, 2025 | Tax Payment (Shares) | $143.93 | 578 | 83,192 | 6,676 | Feb 03, 2025, 06:02 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Jan 31, 2025 | Option/RSU Exercise | - | 1,828 | - | 7,254 | Feb 03, 2025, 06:02 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Dec 06, 2024 | Tax Payment (Shares) | $157.78 | 206 | 32,503 | 5,536 | Dec 09, 2024, 04:57 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Dec 06, 2024 | Option/RSU Exercise | - | 426 | - | 5,742 | Dec 09, 2024, 04:57 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Dec 09, 2024 | Sale | $157.21 | 110 | 17,293 | 5,426 | Dec 09, 2024, 04:57 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 06, 2024 | Tax Payment (Shares) | $157.78 | 170 | 26,823 | 6,408 | Dec 09, 2024, 04:56 PM | |
| BIIB | BIOGEN INC. | Robin Kramer | Chief Accounting Officer | Dec 06, 2024 | Option/RSU Exercise | - | 351 | - | 6,578 | Dec 09, 2024, 04:56 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Nov 05, 2024 | Gift | - | 20,082 | - | 31,601 | Nov 07, 2024, 04:23 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Nov 05, 2024 | Gift | - | 20,082 | - | 20,082 | Nov 07, 2024, 04:23 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Nov 01, 2024 | Tax Payment (Shares) | $173.79 | 204 | 35,453 | 491 | Nov 04, 2024, 04:39 PM | |
| BIIB | BIOGEN INC. | Jane Grogan | Head of Research | Nov 01, 2024 | Option/RSU Exercise | - | 695 | - | 695 | Nov 04, 2024, 04:39 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Sep 03, 2024 | Sale | $204.22 | 431 | 88,019 | 5,316 | Sep 05, 2024, 06:00 AM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Aug 30, 2024 | Tax Payment (Shares) | $204.76 | 807 | 165,241 | 5,747 | Sep 05, 2024, 06:00 AM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Aug 30, 2024 | Option/RSU Exercise | - | 1,668 | - | 6,554 | Sep 05, 2024, 06:00 AM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2024 | Tax Payment (Shares) | $216.13 | 276 | 59,652 | 662 | May 03, 2024, 08:00 PM | |
| BIIB | BIOGEN INC. | Adam Keeney | Head of Corporate Development | May 01, 2024 | Option/RSU Exercise | - | 938 | - | 938 | May 03, 2024, 08:00 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Apr 02, 2024 | Sale | $213.09 | 93 | 19,817 | 4,886 | Apr 03, 2024, 08:24 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Apr 01, 2024 | Option/RSU Exercise | - | 240 | - | 9,751 | Apr 03, 2024, 08:11 PM | |
| BIIB | BIOGEN INC. | Nicole Murphy | Head of Pharm Ops and Tech | Apr 01, 2024 | Tax Payment (Shares) | $214.83 | 117 | 25,135 | 9,634 | Apr 03, 2024, 08:11 PM | |
| BIIB | BIOGEN INC. | Priya Singhal | Head of Development | Feb 22, 2024 | Sale | $221.23 | 262 | 57,962 | 4,886 | Feb 26, 2024, 07:54 PM | |
| BIIB | BIOGEN INC. | Susan H. Alexander | EVP Chief Legal Officer | Feb 16, 2024 | Tax Payment (Shares) | $219.08 | 2,437 | 533,898 | 51,683 | Feb 21, 2024, 09:39 PM |
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