We provide you with 20 years of free, institutional-grade data for BIIB stock, allowing you to gain comprehensive visibility into the fundamentals of the company. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of BIIB. Explore the full financial landscape of BIIB stock.
Total insider purchase within 3 month on this page: $0
Total insider selling within 3 month on this page: -$475,164
| Name | Action | Shares | Avg Price | Amount | Reported Date |
|---|---|---|---|---|---|
| Singhal Priya | Sale | -1,324 | $132.22 | $175,059 | 2025-09-02 |
| Singhal Priya | Derivatives Exercise | 1,669 | 2025-09-02 | ||
| Singhal Priya | RSU | 1,669 | 2025-09-02 | ||
| Izzar Rachid | Sale | -2,223 | $135 | $300,105 | 2025-07-16 |
| HAWKINS WILLIAM A | Grant, award...etc | 2,370 | 2025-06-18 | ||
| Freire Maria C | Grant, award...etc | 2,370 | 2025-06-18 | ||
| Rowinsky Eric K | Grant, award...etc | 2,370 | 2025-06-18 | ||
| LANGER SUSAN | Grant, award...etc | 2,370 | 2025-06-18 | ||
| SHERWIN STEPHEN A | Grant, award...etc | 2,370 | 2025-06-18 | ||
| DORSA CAROLINE | Grant, award...etc | 3,160 | 2025-06-18 | ||
| Patolawala Monish D | Grant, award...etc | 2,370 | 2025-06-18 | ||
| Mantas Jesus B | Grant, award...etc | 2,370 | 2025-06-18 | ||
| Minor Lloyd | Grant, award...etc | 2,370 | 2025-06-18 | ||
| Singhal Priya | Sale | -3,806 | $126.25 | $480,508 | 2025-05-20 |
| DORSA CAROLINE | Open Market Purchase | 1,235 | $122.72 | 2025-05-05 | |
| Keeney Adam | Sale | -454 | $120.93 | $54,902 | 2025-05-05 |
| Keeney Adam | Derivatives Exercise | 938 | 2025-05-05 | ||
| Keeney Adam | RSU | 938 | 2025-05-05 | ||
| Godbout Sean | Initial | 2025-03-10 | |||
| SHERWIN STEPHEN A | Sale | -8,760 | $150.02 | $1,314,142 | 2025-03-10 |
| Gregory Ginger | Sale | -634 | $142.54 | $90,370 | 2025-02-12 |
| Gregory Ginger | Derivatives Exercise | 2,159 | 2025-02-12 | ||
| Gregory Ginger | RSU | 2,159 | 2025-02-12 | ||
| ALEXANDER SUSAN H | Sale | -807 | $142.54 | $115,030 | 2025-02-12 |
| ALEXANDER SUSAN H | Derivatives Exercise | 2,575 | 2025-02-12 | ||
| ALEXANDER SUSAN H | RSU | 2,575 | 2025-02-12 | ||
| Izzar Rachid | Sale | -445 | $142.54 | $63,430 | 2025-02-12 |
| Izzar Rachid | Derivatives Exercise | 1,515 | 2025-02-12 | ||
| Izzar Rachid | RSU | 1,515 | 2025-02-12 | ||
| MCDONNELL MICHAEL R | Sale | -1,371 | $142.54 | $195,422 | 2025-02-12 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 3,257 | 2025-02-12 | ||
| MCDONNELL MICHAEL R | RSU | 3,257 | 2025-02-12 | ||
| Singhal Priya | Sale | -357 | $142.54 | $50,887 | 2025-02-12 |
| Singhal Priya | Derivatives Exercise | 1,212 | 2025-02-12 | ||
| Singhal Priya | RSU | 1,212 | 2025-02-12 | ||
| Kramer Robin | Sale | -245 | $142.54 | $34,922 | 2025-02-12 |
| Kramer Robin | Derivatives Exercise | 834 | 2025-02-12 | ||
| Kramer Robin | RSU | 834 | 2025-02-12 | ||
| Murphy Nicole | Sale | -670 | $142.54 | $95,502 | 2025-02-12 |
| Murphy Nicole | Derivatives Exercise | 2,272 | 2025-02-12 | ||
| Murphy Nicole | RSU | 2,272 | 2025-02-12 | ||
| Izzar Rachid | Sale | -1,165 | $141.35 | $164,673 | 2025-02-11 |
| Izzar Rachid | Derivatives Exercise | 3,844 | 2025-02-11 | ||
| Izzar Rachid | RSU | 3,844 | 2025-02-11 | ||
| MCDONNELL MICHAEL R | Sale | -1,502 | $141.35 | $212,308 | 2025-02-10 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 4,551 | 2025-02-10 | ||
| MCDONNELL MICHAEL R | RSU | 4,551 | 2025-02-10 | ||
| Viehbacher Christopher | Sale | -3,201 | $141.35 | $452,461 | 2025-02-10 |
| Viehbacher Christopher | Derivatives Exercise | 9,008 | 2025-02-10 | ||
| Viehbacher Christopher | RSU | 9,008 | 2025-02-10 | ||
| Keeney Adam | Sale | -563 | $141.35 | $79,580 | 2025-02-10 |
| Keeney Adam | Derivatives Exercise | 1,801 | 2025-02-10 | ||
| Keeney Adam | RSU | 1,801 | 2025-02-10 | ||
| Grogan Jane | Sale | -443 | $141.35 | $62,618 | 2025-02-10 |
| Grogan Jane | Derivatives Exercise | 1,385 | 2025-02-10 | ||
| Grogan Jane | RSU | 1,385 | 2025-02-10 | ||
| Kramer Robin | Sale | -476 | $141.35 | $67,283 | 2025-02-10 |
| Kramer Robin | Derivatives Exercise | 1,491 | 2025-02-10 | ||
| Kramer Robin | RSU | 1,491 | 2025-02-10 | ||
| Murphy Nicole | Sale | -1,223 | $141.35 | $172,871 | 2025-02-10 |
| Murphy Nicole | Derivatives Exercise | 4,042 | 2025-02-10 | ||
| Murphy Nicole | RSU | 4,042 | 2025-02-10 | ||
| ALEXANDER SUSAN H | Sale | -1,234 | $141.35 | $174,426 | 2025-02-10 |
| ALEXANDER SUSAN H | Derivatives Exercise | 4,130 | 2025-02-10 | ||
| ALEXANDER SUSAN H | RSU | 4,130 | 2025-02-10 | ||
| Singhal Priya | Sale | -681 | $141.35 | $96,259 | 2025-02-10 |
| Singhal Priya | Derivatives Exercise | 2,216 | 2025-02-10 | ||
| Singhal Priya | RSU | 2,216 | 2025-02-10 | ||
| Gregory Ginger | Sale | -1,040 | $141.35 | $147,004 | 2025-02-10 |
| Gregory Ginger | Derivatives Exercise | 3,436 | 2025-02-10 | ||
| Gregory Ginger | RSU | 3,436 | 2025-02-10 | ||
| Singhal Priya | Sale | -578 | $143.93 | $83,192 | 2025-02-03 |
| Singhal Priya | Derivatives Exercise | 1,828 | 2025-02-03 | ||
| Singhal Priya | RSU | 1,828 | 2025-02-03 | ||
| Kramer Robin | Sale | -170 | $157.78 | $26,823 | 2024-12-09 |
| Kramer Robin | Derivatives Exercise | 351 | 2024-12-09 | ||
| Kramer Robin | RSU | 351 | 2024-12-09 | ||
| Singhal Priya | Sale | -316 | $157.78 | $49,858 | 2024-12-09 |
| Singhal Priya | Derivatives Exercise | 426 | 2024-12-09 | ||
| Singhal Priya | RSU | 426 | 2024-12-09 | ||
| Grogan Jane | Sale | -204 | $173.79 | $35,453 | 2024-11-04 |
| Grogan Jane | Derivatives Exercise | 695 | 2024-11-04 | ||
| Grogan Jane | RSU | 695 | 2024-11-04 | ||
| Singhal Priya | Sale | -1,238 | $204.76 | $253,493 | 2024-09-05 |
| Singhal Priya | Derivatives Exercise | 1,668 | 2024-09-05 | ||
| Singhal Priya | RSU | 1,668 | 2024-09-05 | ||
| Patolawala Monish D | Grant, award...etc | 1,340 | 2024-06-25 | ||
| HAWKINS WILLIAM A | Grant, award...etc | 1,340 | 2024-06-25 | ||
| Freire Maria C | Grant, award...etc | 1,340 | 2024-06-25 | ||
| DORSA CAROLINE | Grant, award...etc | 1,785 | 2024-06-25 | ||
| LANGER SUSAN | Grant, award...etc | 1,340 | 2024-06-25 | ||
| Mantas Jesus B | Grant, award...etc | 1,340 | 2024-06-25 | ||
| SHERWIN STEPHEN A | Grant, award...etc | 1,340 | 2024-06-25 | ||
| Rowinsky Eric K | Grant, award...etc | 1,340 | 2024-06-25 | ||
| Keeney Adam | Sale | -276 | $216.13 | $59,652 | 2024-05-03 |
| Keeney Adam | Derivatives Exercise | 938 | 2024-05-03 | ||
| Keeney Adam | RSU | 938 | 2024-05-03 | ||
| Singhal Priya | Sale | -93 | $213.09 | $19,817 | 2024-04-03 |
| Murphy Nicole | Sale | -117 | $214.83 | $25,135 | 2024-04-03 |
| Murphy Nicole | Derivatives Exercise | 240 | 2024-04-03 | ||
| Murphy Nicole | RSU | 240 | 2024-04-03 | ||
| Singhal Priya | Sale | -262 | $221.23 | $57,962 | 2024-02-26 |
| Izzar Rachid | RSU | 647 | 2024-02-21 | ||
| Izzar Rachid | Sale | -952 | $219.08 | $208,564 | 2024-02-21 |
| Izzar Rachid | Derivatives Exercise | 2,017 | 2024-02-21 | ||
| MCDONNELL MICHAEL R | RSU | 2,152 | 2024-02-21 | ||
| MCDONNELL MICHAEL R | Sale | -3,438 | $219.08 | $753,197 | 2024-02-21 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 6,720 | 2024-02-21 | ||
| Kramer Robin | RSU | 431 | 2024-02-21 | ||
| Kramer Robin | Sale | -396 | $219.08 | $86,756 | 2024-02-21 |
| Kramer Robin | Derivatives Exercise | 1,345 | 2024-02-21 | ||
| Singhal Priya | RSU | 389 | 2024-02-21 | ||
| Singhal Priya | Sale | -576 | $219.08 | $126,190 | 2024-02-21 |
| Singhal Priya | Derivatives Exercise | 1,208 | 2024-02-21 | ||
| Murphy Nicole | RSU | 404 | 2024-02-21 | ||
| Murphy Nicole | Sale | -610 | $219.08 | $133,639 | 2024-02-21 |
| Murphy Nicole | Derivatives Exercise | 1,260 | 2024-02-21 | ||
| Gregory Ginger | RSU | 1,507 | 2024-02-21 | ||
| Gregory Ginger | Sale | -2,264 | $219.08 | $495,997 | 2024-02-21 |
| Gregory Ginger | Derivatives Exercise | 4,704 | 2024-02-21 | ||
| ALEXANDER SUSAN H | RSU | 1,614 | 2024-02-21 | ||
| ALEXANDER SUSAN H | Sale | -2,437 | $219.08 | $533,898 | 2024-02-21 |
| ALEXANDER SUSAN H | Derivatives Exercise | 5,037 | 2024-02-21 | ||
| Rowinsky Eric K | Open Market Purchase | 455 | $222.54 | 2024-02-20 | |
| MCDONNELL MICHAEL R | Sale | -1,431 | $240.98 | $344,842 | 2024-02-13 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 3,257 | 2024-02-13 | ||
| MCDONNELL MICHAEL R | RSU | 3,257 | 2024-02-13 | ||
| Kramer Robin | Sale | -245 | $240.98 | $59,040 | 2024-02-13 |
| Kramer Robin | Derivatives Exercise | 833 | 2024-02-13 | ||
| Kramer Robin | RSU | 833 | 2024-02-13 | ||
| ALEXANDER SUSAN H | Sale | -938 | $240.98 | $226,039 | 2024-02-13 |
| ALEXANDER SUSAN H | Derivatives Exercise | 2,575 | 2024-02-13 | ||
| ALEXANDER SUSAN H | RSU | 2,575 | 2024-02-13 | ||
| Izzar Rachid | Sale | -445 | $240.98 | $107,236 | 2024-02-13 |
| Izzar Rachid | Derivatives Exercise | 1,515 | 2024-02-13 | ||
| Izzar Rachid | RSU | 1,515 | 2024-02-13 | ||
| Gregory Ginger | Sale | -634 | $240.98 | $152,781 | 2024-02-13 |
| Gregory Ginger | Derivatives Exercise | 2,158 | 2024-02-13 | ||
| Gregory Ginger | RSU | 2,158 | 2024-02-13 | ||
| Murphy Nicole | Sale | -761 | $240.98 | $183,386 | 2024-02-13 |
| Murphy Nicole | Derivatives Exercise | 2,272 | 2024-02-13 | ||
| Murphy Nicole | RSU | 2,272 | 2024-02-13 | ||
| Singhal Priya | Sale | -793 | $240.98 | $191,097 | 2024-02-13 |
| Singhal Priya | Derivatives Exercise | 1,212 | 2024-02-13 | ||
| Singhal Priya | RSU | 1,212 | 2024-02-13 | ||
| MCDONNELL MICHAEL R | Sale | -765 | $240.3 | $183,830 | 2024-02-09 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 2,335 | 2024-02-09 | ||
| MCDONNELL MICHAEL R | RSU | 2,335 | 2024-02-09 | ||
| Kramer Robin | Sale | -253 | $240.3 | $60,796 | 2024-02-09 |
| Kramer Robin | Derivatives Exercise | 788 | 2024-02-09 | ||
| Kramer Robin | RSU | 788 | 2024-02-09 | ||
| Murphy Nicole | Sale | -638 | $240.3 | $153,311 | 2024-02-09 |
| Murphy Nicole | Derivatives Exercise | 2,101 | 2024-02-09 | ||
| Murphy Nicole | RSU | 2,101 | 2024-02-09 | ||
| Gregory Ginger | Sale | -498 | $240.3 | $119,669 | 2024-02-09 |
| Gregory Ginger | Derivatives Exercise | 1,635 | 2024-02-09 | ||
| Gregory Ginger | RSU | 1,635 | 2024-02-09 | ||
| Izzar Rachid | Sale | -621 | $240.3 | $149,226 | 2024-02-09 |
| Izzar Rachid | Derivatives Exercise | 2,043 | 2024-02-09 | ||
| Izzar Rachid | RSU | 2,043 | 2024-02-09 | ||
| ALEXANDER SUSAN H | Sale | -655 | $240.3 | $157,397 | 2024-02-09 |
| ALEXANDER SUSAN H | Derivatives Exercise | 2,190 | 2024-02-09 | ||
| ALEXANDER SUSAN H | RSU | 2,190 | 2024-02-09 | ||
| Singhal Priya | Sale | -1,195 | $247.83 | $296,157 | 2024-02-05 |
| Singhal Priya | Derivatives Exercise | 1,828 | 2024-02-05 | ||
| Singhal Priya | RSU | 1,828 | 2024-02-05 | ||
| Kramer Robin | Sale | -170 | $239.29 | $40,679 | 2023-12-12 |
| Kramer Robin | Derivatives Exercise | 351 | 2023-12-12 | ||
| Kramer Robin | RSU | 351 | 2023-12-12 | ||
| Singhal Priya | Sale | -316 | $239.29 | $75,616 | 2023-12-12 |
| Singhal Priya | Derivatives Exercise | 426 | 2023-12-12 | ||
| Singhal Priya | RSU | 426 | 2023-12-12 | ||
| BIOGEN INC. | Sale | -6,000,000 | $0.5 | $3,000,000 | 2023-09-28 |
| Singhal Priya | Sale | -1,238 | $267.17 | $330,756 | 2023-09-06 |
| Singhal Priya | Derivatives Exercise | 1,668 | 2023-09-06 | ||
| Singhal Priya | RSU | 1,668 | 2023-09-06 | ||
| MCDONNELL MICHAEL R | Sale | -2,704 | $267.17 | $722,428 | 2023-09-06 |
| MCDONNELL MICHAEL R | Derivatives Exercise | 5,285 | 2023-09-06 | ||
| MCDONNELL MICHAEL R | RSU | 5,285 | 2023-09-06 | ||
| Izzar Rachid | Sale | -244 | $284.85 | $69,503 | 2023-07-05 |
| Izzar Rachid | Derivatives Exercise | 504 | 2023-07-05 | ||
| Izzar Rachid | RSU | 504 | 2023-07-05 | ||
| Kramer Robin | Sale | -122 | $284.85 | $34,752 | 2023-07-05 |
| Kramer Robin | Derivatives Exercise | 252 | 2023-07-05 | ||
| Kramer Robin | RSU | 252 | 2023-07-05 | ||
| Singhal Priya | Sale | -234 | $284.85 | $66,655 | 2023-07-05 |
| Singhal Priya | Derivatives Exercise | 315 | 2023-07-05 | ||
| Singhal Priya | RSU | 315 | 2023-07-05 | ||
| SHERWIN STEPHEN A | Grant, award...etc | 960 | 2023-06-28 | ||
| Rowinsky Eric K | Grant, award...etc | 960 | 2023-06-28 | ||
| Mantas Jesus B | Grant, award...etc | 960 | 2023-06-28 | ||
| LANGER SUSAN | Grant, award...etc | 960 | 2023-06-28 | ||
| LANGER SUSAN | Initial | 2023-06-28 | |||
| HAWKINS WILLIAM A | Grant, award...etc | 960 | 2023-06-28 | ||
| Freire Maria C | Grant, award...etc | 960 | 2023-06-28 | ||
| DORSA CAROLINE | Grant, award...etc | 1,580 | 2023-06-28 | ||
| Gregory Ginger | Sale | -2,681 | $300 | $804,300 | 2023-05-02 |
The information provided in this report about BIIB stock is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.
Biogen Inc(NASDAQ:BIIB)Â 
Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases worldwide. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to ...
Website: http://www.biogen.com
Founded: 1978
Full Time Employees: 7,400
Sector: Healthcare
Industry: Drug Manufacturers-General