Insider Trades71 trades
| Date↓ | Side | Ticker↕ | Insider↕ | Role↕ | Shares↕ | Price↕ | Mkt Cap↕ | 52W High↕ | 52W Low↕ | Value↕ | % Chg↕ | Rule↕ | AI View↕ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 | Sell | BIIB | Adam Keeney | Head of Corporate Development | 455 | $187.06 | $32.1B | -3.83% | +60.39% | $85.1K | -6.67% | — | Buy Now |
| Apr 1, 2026 | Sell | BIIB | Sean Godbout | Chief Accounting Officer | 54 | $183.78 | $32.1B | -3.83% | +60.39% | $9.9K | -3.07% | — | Buy Now |
| Feb 12, 2026 | Buy | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 3 | $195.03 | $32.1B | -3.83% | +60.39% | $585.105 | +0.01% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Sean Godbout | Chief Accounting Officer | 359 | $201.18 | $32.1B | -3.83% | +60.39% | $72.2K | -8.04% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Jane Grogan | Head of Research | 991 | $201.18 | $32.1B | -3.83% | +60.39% | $199.4K | -7.65% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Robin Kramer | Chief Financial Officer | 1,543 | $201.18 | $32.1B | -3.83% | +60.39% | $310.4K | -4.03% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Adam Keeney | Head of Corporate Development | 1,583 | $201.18 | $32.1B | -3.83% | +60.39% | $318.5K | -8.15% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 2,038 | $201.18 | $32.1B | -3.83% | +60.39% | $410.0K | -5.50% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 2,589 | $201.18 | $32.1B | -3.83% | +60.39% | $520.9K | -3.57% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 3,339 | $201.18 | $32.1B | -3.83% | +60.39% | $671.7K | -5.07% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 3,504 | $201.18 | $32.1B | -3.83% | +60.39% | $704.9K | -2.64% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Priya Singhal | Head of Development | 5,128 | $200.48 | $32.1B | -3.83% | +60.39% | $1.0M | -11.96% | — | Buy Now |
| Feb 6, 2026 | Sell | BIIB | Christopher Viehbacher | President and CEO | 10,980 | $201.18 | $32.1B | -3.83% | +60.39% | $2.2M | -10.77% | — | Buy Now |
| Jan 30, 2026 | Sell | BIIB | Priya Singhal | Head of Development | 1,330 | $179.56 | $32.1B | -3.83% | +60.39% | $238.8K | -9.10% | — | Buy Now |
| Dec 1, 2025 | Sell | BIIB | Christopher Viehbacher | President and CEO | 3,404 | $177.78 | $32.1B | -3.83% | +60.39% | $605.2K | -17.15% | — | Buy Now |
| Oct 31, 2025 | Sell | BIIB | Jane Grogan | Head of Research | 337 | $154.27 | $32.1B | -3.83% | +60.39% | $52.0K | -11.94% | — | Buy Now |
| Oct 2, 2025 | Sell | BIIB | Sean Godbout | Chief Accounting Officer | 8 | $155.25 | $32.1B | -3.83% | +60.39% | $1.2K | -1.51% | — | Buy Now |
| Aug 29, 2025 | Sell | BIIB | Priya Singhal | Head of Development | 1,324 | $132.74 | $32.1B | -3.83% | +60.39% | $175.7K | -9.89% | — | Buy Now |
| Jul 8, 2025 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 2,223 | $135.00 | $32.1B | -3.83% | +60.39% | $300.1K | -25.99% | — | Buy Now |
| May 19, 2025 | Sell | BIIB | Priya Singhal | Head of Development | 3,806 | $126.25 | $32.1B | -3.83% | +60.39% | $480.5K | -41.22% | — | Buy Now |
| May 1, 2025 | Sell | BIIB | Adam Keeney | Head of Corporate Development | 454 | $120.93 | $32.1B | -3.83% | +60.39% | $54.9K | -12.02% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 245 | $142.54 | $32.1B | -3.83% | +60.39% | $34.9K | -2.97% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Priya Singhal | Head of Development | 357 | $142.54 | $32.1B | -3.83% | +60.39% | $50.9K | -3.79% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 445 | $142.54 | $32.1B | -3.83% | +60.39% | $63.4K | -4.95% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 634 | $142.54 | $32.1B | -3.83% | +60.39% | $90.4K | -3.48% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 670 | $142.54 | $32.1B | -3.83% | +60.39% | $95.5K | -4.55% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 807 | $142.54 | $32.1B | -3.83% | +60.39% | $115.0K | -2.18% | — | Buy Now |
| Feb 10, 2025 | Sell | BIIB | Michael R Mcdonnell | EVP, Chief Financial Officer | 1,371 | $142.54 | $32.1B | -3.83% | +60.39% | $195.4K | -5.33% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Jane Grogan | Head of Research | 443 | $141.35 | $32.1B | -3.83% | +60.39% | $62.6K | -4.32% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 476 | $141.35 | $32.1B | -3.83% | +60.39% | $67.3K | -1.73% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Adam Keeney | Head of Corporate Development | 563 | $141.35 | $32.1B | -3.83% | +60.39% | $79.6K | -3.54% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Priya Singhal | Head of Development | 681 | $141.35 | $32.1B | -3.83% | +60.39% | $96.3K | -2.49% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 1,040 | $141.35 | $32.1B | -3.83% | +60.39% | $147.0K | -2.15% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 1,165 | $141.35 | $32.1B | -3.83% | +60.39% | $164.7K | -5.98% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 1,223 | $141.35 | $32.1B | -3.83% | +60.39% | $172.9K | -2.73% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 1,234 | $141.35 | $32.1B | -3.83% | +60.39% | $174.4K | -1.38% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Michael R Mcdonnell | EVP, Chief Financial Officer | 1,502 | $141.35 | $32.1B | -3.83% | +60.39% | $212.3K | -2.91% | — | Buy Now |
| Feb 7, 2025 | Sell | BIIB | Christopher Viehbacher | President and CEO | 3,201 | $141.35 | $32.1B | -3.83% | +60.39% | $452.5K | -3.98% | — | Buy Now |
| Jan 31, 2025 | Sell | BIIB | Priya Singhal | Head of Development | 578 | $143.93 | $32.1B | -3.83% | +60.39% | $83.2K | -6.36% | — | Buy Now |
| Dec 6, 2024 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 170 | $157.78 | $32.1B | -3.83% | +60.39% | $26.8K | -2.58% | — | Buy Now |
| Dec 6, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 316 | $157.58 | $32.1B | -3.83% | +60.39% | $49.8K | -2.80% | — | Buy Now |
| Nov 5, 2024 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 40,164 | $176.93 | $32.1B | -3.83% | +60.39% | $7.1M | +0.00% | — | Buy Now |
| Nov 1, 2024 | Sell | BIIB | Jane Grogan | Head of Research | 204 | $173.79 | $32.1B | -3.83% | +60.39% | $35.5K | -9.78% | — | Buy Now |
| Aug 30, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 1,238 | $204.57 | $32.1B | -3.83% | +60.39% | $253.3K | -8.86% | — | Buy Now |
| May 1, 2024 | Sell | BIIB | Adam Keeney | Head of Corporate Development | 276 | $216.13 | $32.1B | -3.83% | +60.39% | $59.7K | -9.80% | — | Buy Now |
| Apr 2, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 93 | $213.09 | $32.1B | -3.83% | +60.39% | $19.8K | -1.87% | — | Buy Now |
| Apr 1, 2024 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 117 | $214.83 | $32.1B | -3.83% | +60.39% | $25.1K | -1.20% | — | Buy Now |
| Feb 22, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 262 | $221.23 | $32.1B | -3.83% | +60.39% | $58.0K | -5.09% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 396 | $219.08 | $32.1B | -3.83% | +60.39% | $86.8K | -3.03% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 576 | $219.53 | $32.1B | -3.83% | +60.39% | $126.5K | -3.49% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 610 | $219.08 | $32.1B | -3.83% | +60.39% | $133.6K | -3.09% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 952 | $219.08 | $32.1B | -3.83% | +60.39% | $208.6K | -4.57% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 2,264 | $219.08 | $32.1B | -3.83% | +60.39% | $496.0K | -7.42% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 2,437 | $219.08 | $32.1B | -3.83% | +60.39% | $533.9K | -2.28% | — | Buy Now |
| Feb 16, 2024 | Sell | BIIB | Michael R Mcdonnell | EVP, Chief Financial Officer | 3,438 | $219.08 | $32.1B | -3.83% | +60.39% | $753.2K | -7.83% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 245 | $240.98 | $32.1B | -3.83% | +60.39% | $59.0K | -3.85% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 445 | $240.98 | $32.1B | -3.83% | +60.39% | $107.2K | -4.20% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 634 | $240.98 | $32.1B | -3.83% | +60.39% | $152.8K | -4.55% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 761 | $240.98 | $32.1B | -3.83% | +60.39% | $183.4K | -6.45% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 793 | $240.17 | $32.1B | -3.83% | +60.39% | $190.5K | -6.92% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 938 | $240.98 | $32.1B | -3.83% | +60.39% | $226.0K | -1.78% | — | Buy Now |
| Feb 9, 2024 | Sell | BIIB | Michael R Mcdonnell | EVP, Chief Financial Officer | 1,431 | $240.98 | $32.1B | -3.83% | +60.39% | $344.8K | -6.88% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 253 | $240.30 | $32.1B | -3.83% | +60.39% | $60.8K | -2.93% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Ginger Gregory | EVP, Human Resources | 498 | $240.30 | $32.1B | -3.83% | +60.39% | $119.7K | -2.65% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Rachid Izzar | Head of Global Product Strat. | 621 | $240.30 | $32.1B | -3.83% | +60.39% | $149.2K | -3.51% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Nicole Murphy | Head of Pharm Ops and Tech | 638 | $240.30 | $32.1B | -3.83% | +60.39% | $153.3K | -3.56% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Susan H Alexander | EVP Chief Legal Officer | 655 | $240.30 | $32.1B | -3.83% | +60.39% | $157.4K | -1.12% | — | Buy Now |
| Feb 8, 2024 | Sell | BIIB | Michael R Mcdonnell | EVP, Chief Financial Officer | 765 | $240.30 | $32.1B | -3.83% | +60.39% | $183.8K | -2.90% | — | Buy Now |
| Feb 1, 2024 | Sell | BIIB | Priya Singhal | Head of Development | 1,195 | $246.82 | $32.1B | -3.83% | +60.39% | $295.0K | -8.74% | — | Buy Now |
| Dec 8, 2023 | Sell | BIIB | Robin Kramer | Chief Accounting Officer | 170 | $239.29 | $32.1B | -3.83% | +60.39% | $40.7K | -3.64% | — | Buy Now |
| Dec 8, 2023 | Sell | BIIB | Priya Singhal | Head of Development | 316 | $242.32 | $32.1B | -3.83% | +60.39% | $76.6K | -4.06% | — | Buy Now |