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  4. BIIB

Market Cap: $32.08B

BI

Biogen Inc.

BIIB
NASDAQ (NASDAQ Global Select)USD
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Insider Trades

Insider Trading HistoryPast 4 Quarters
Recent Quarter Breakdown2026-Q3
2026-Q3Breakdown
Total Purchases
0
Acquired Transactions
0
Disposed Transactions
2
Total Sales
2
biib•officer: Chief Legal Officer
11 days ago

Parini Michael bought 7,405 shares of BIIB on 1 September. They now own 7,405 BIIB shares.

Parini Michael bought BIIB
biib•director
1 month ago

Minor Lloyd sold 593 shares of BIIB on 4 August. They now own 2,689 BIIB shares.

Minor Lloyd sold BIIB
biib•officer
1 month ago

Parini Michael bought 0 shares of BIIB on 3 August. They now own 0 BIIB shares.

Parini Michael bought BIIB
biib•director
1 month ago

Minor Lloyd sold 593 shares of BIIB on 3 August. They now own 3,282 BIIB shares.

Minor Lloyd sold BIIB
biib•director
3 months ago

Mantas Jesus B bought 1,505 shares of BIIB on 9 June. They now own 11,263 BIIB shares.

Mantas Jesus B bought BIIB
biib•director
3 months ago

Hawkins William A bought 1,505 shares of BIIB on 9 June. They now own 10,365 BIIB shares.

Hawkins William A bought BIIB
biib•director
3 months ago

Langer Susan bought 1,505 shares of BIIB on 9 June. They now own 6,634.1 BIIB shares.

Langer Susan bought BIIB
biib•director
3 months ago

Pangalos Menelas N bought 1,505 shares of BIIB on 9 June. They now own 3,875 BIIB shares.

Pangalos Menelas N bought BIIB
biib•director
3 months ago

Patolawala Monish D bought 1,505 shares of BIIB on 9 June. They now own 5,215 BIIB shares.

Patolawala Monish D bought BIIB
biib•director
3 months ago

Rowinsky Eric K bought 1,505 shares of BIIB on 9 June. They now own 25,844 BIIB shares.

Rowinsky Eric K bought BIIB
biib•director
3 months ago

Pangalos Menelas N sold 2,370 shares of BIIB on 9 June. They now own 0 BIIB shares.

Pangalos Menelas N sold BIIB
biib•director
3 months ago

Freire Maria C bought 2,005 shares of BIIB on 9 June. They now own 8,820 BIIB shares.

Freire Maria C bought BIIB
biib•director
3 months ago

Sherwin Stephen A bought 1,505 shares of BIIB on 9 June. They now own 15,193 BIIB shares.

Sherwin Stephen A bought BIIB
biib•director
3 months ago

Minor Lloyd bought 1,505 shares of BIIB on 9 June. They now own 3,875 BIIB shares.

Minor Lloyd bought BIIB
biib•director
3 months ago

Pangalos Menelas N bought 2,370 shares of BIIB on 9 June. They now own 2,370 BIIB shares.

Pangalos Menelas N bought BIIB
biib•officer: Head of Corporate Development
4 months ago

Keeney Adam sold 939 shares of BIIB on 1 May. They now own 0 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Corporate Development
4 months ago

Keeney Adam sold 455 shares of BIIB on 1 May. They now own 6,365 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Corporate Development
4 months ago

Keeney Adam bought 939 shares of BIIB on 1 May. They now own 6,820 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Chief Accounting Officer
5 months ago

Godbout Sean sold 54 shares of BIIB on 1 April. They now own 1,341.667 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Chief Accounting Officer
5 months ago

Godbout Sean bought 181 shares of BIIB on 1 April. They now own 1,395.667 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Chief Accounting Officer
5 months ago

Godbout Sean sold 181 shares of BIIB on 1 April. They now own 364 BIIB shares.

Godbout Sean sold BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger bought 8,025 shares of BIIB on 13 February. They now own 8,025 BIIB shares.

Gregory Ginger bought BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher bought 38,015 shares of BIIB on 13 February. They now own 38,015 BIIB shares.

Viehbacher Christopher bought BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean bought 1,800 shares of BIIB on 13 February. They now own 1,800 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid bought 7,390 shares of BIIB on 13 February. They now own 7,390 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin bought 8,450 shares of BIIB on 13 February. They now own 8,450 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole bought 10,560 shares of BIIB on 13 February. They now own 10,560 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane bought 8,450 shares of BIIB on 13 February. They now own 8,450 BIIB shares.

Grogan Jane bought BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam bought 8,025 shares of BIIB on 13 February. They now own 8,025 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya bought 10,560 shares of BIIB on 13 February. They now own 10,560 BIIB shares.

Singhal Priya bought BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H bought 8,450 shares of BIIB on 13 February. They now own 8,450 BIIB shares.

Alexander Susan H bought BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole bought 3 shares of BIIB on 12 February. They now own 19,611.041 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 2,660 shares of BIIB on 9 February. They now own 8,043.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole bought 4,683 shares of BIIB on 6 February. They now own 21,016.041 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam sold 589 shares of BIIB on 6 February. They now own 3,597 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 1,056 shares of BIIB on 6 February. They now own 7,432.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin bought 3,511 shares of BIIB on 6 February. They now own 12,534.748 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane bought 1,873 shares of BIIB on 6 February. They now own 4,642 BIIB shares.

Grogan Jane bought BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 1,059 shares of BIIB on 6 February. They now own 37,396 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam bought 3,278 shares of BIIB on 6 February. They now own 6,875 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane bought 1,385 shares of BIIB on 6 February. They now own 3,176 BIIB shares.

Grogan Jane bought BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane sold 584 shares of BIIB on 6 February. They now own 4,058 BIIB shares.

Grogan Jane sold BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 931 shares of BIIB on 6 February. They now own 38,405 BIIB shares.

Alexander Susan H sold BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher sold 9,008 shares of BIIB on 6 February. They now own 9,009 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane sold 1,873 shares of BIIB on 6 February. They now own 3,747 BIIB shares.

Grogan Jane sold BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger bought 1,635 shares of BIIB on 6 February. They now own 19,399.767 BIIB shares.

Gregory Ginger bought BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 3,746 shares of BIIB on 6 February. They now own 7,494 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 180 shares of BIIB on 6 February. They now own 1,214.667 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean bought 305 shares of BIIB on 6 February. They now own 980.667 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 2,102 shares of BIIB on 6 February. They now own 0 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 4,916 shares of BIIB on 6 February. They now own 9,834 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 914 shares of BIIB on 6 February. They now own 16,333.041 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 1,412 shares of BIIB on 6 February. They now own 10,703.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin bought 703 shares of BIIB on 6 February. They now own 9,230.748 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 2,217 shares of BIIB on 6 February. They now own 2,217 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 305 shares of BIIB on 6 February. They now own 305 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid bought 1,802 shares of BIIB on 6 February. They now own 9,201 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 666 shares of BIIB on 6 February. They now own 19,744.767 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 1,017 shares of BIIB on 6 February. They now own 15,307.041 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 775 shares of BIIB on 6 February. They now own 11,011 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 1,514 shares of BIIB on 6 February. They now own 41,807 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 103 shares of BIIB on 6 February. They now own 877.667 BIIB shares.

Godbout Sean sold BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H bought 4,916 shares of BIIB on 6 February. They now own 43,321 BIIB shares.

Alexander Susan H bought BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger bought 3,746 shares of BIIB on 6 February. They now own 23,490.767 BIIB shares.

Gregory Ginger bought BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H bought 2,190 shares of BIIB on 6 February. They now own 38,455 BIIB shares.

Alexander Susan H bought BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 257 shares of BIIB on 6 February. They now own 0 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin bought 789 shares of BIIB on 6 February. They now own 8,800.748 BIIB shares.

Kramer Robin bought BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H bought 1,940 shares of BIIB on 6 February. They now own 39,336 BIIB shares.

Alexander Susan H bought BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 1,940 shares of BIIB on 6 February. They now own 1,940 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 76 shares of BIIB on 6 February. They now own 675.667 BIIB shares.

Godbout Sean sold BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 1,635 shares of BIIB on 6 February. They now own 0 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 273 shares of BIIB on 6 February. They now own 8,527.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 703 shares of BIIB on 6 February. They now own 704 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 3,043 shares of BIIB on 6 February. They now own 6,087 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam bought 1,802 shares of BIIB on 6 February. They now own 4,186 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean bought 257 shares of BIIB on 6 February. They now own 751.667 BIIB shares.

Godbout Sean bought BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher bought 15,453 shares of BIIB on 6 February. They now own 36,548 BIIB shares.

Viehbacher Christopher bought BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 458 shares of BIIB on 6 February. They now own 8,743 BIIB shares.

Izzar Rachid sold BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher sold 15,453 shares of BIIB on 6 February. They now own 30,907 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 1,132 shares of BIIB on 6 February. They now own 22,358.767 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane sold 407 shares of BIIB on 6 February. They now own 2,769 BIIB shares.

Grogan Jane sold BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher sold 4,356 shares of BIIB on 6 February. They now own 21,095 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 1,408 shares of BIIB on 6 February. They now own 19,608.041 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 789 shares of BIIB on 6 February. They now own 0 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 1,063 shares of BIIB on 6 February. They now own 11,471.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam sold 3,278 shares of BIIB on 6 February. They now own 6,557 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya bought 4,683 shares of BIIB on 6 February. They now own 12,115.143 BIIB shares.

Singhal Priya bought BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger bought 1,802 shares of BIIB on 6 February. They now own 20,410.767 BIIB shares.

Gregory Ginger bought BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean bought 517 shares of BIIB on 6 February. They now own 1,394.667 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya bought 2,217 shares of BIIB on 6 February. They now own 8,488.143 BIIB shares.

Singhal Priya bought BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid bought 3,043 shares of BIIB on 6 February. They now own 11,786 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 805 shares of BIIB on 6 February. They now own 7,399 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 4,683 shares of BIIB on 6 February. They now own 9,367 BIIB shares.

Murphy Nicole sold BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher bought 9,008 shares of BIIB on 6 February. They now own 25,451 BIIB shares.

Viehbacher Christopher bought BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole bought 2,102 shares of BIIB on 6 February. They now own 16,324.041 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 3,511 shares of BIIB on 6 February. They now own 7,024 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole sold 1,940 shares of BIIB on 6 February. They now own 1,940 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Pharm Ops and Tech
7 months ago

Murphy Nicole bought 1,940 shares of BIIB on 6 February. They now own 17,247.041 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid bought 2,044 shares of BIIB on 6 February. They now own 8,204 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 1,802 shares of BIIB on 6 February. They now own 1,802 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Chief Financial Officer
7 months ago

Kramer Robin sold 207 shares of BIIB on 6 February. They now own 9,023.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam sold 994 shares of BIIB on 6 February. They now own 5,881 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 1,802 shares of BIIB on 6 February. They now own 1,802 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Global Product Strat.
7 months ago

Izzar Rachid sold 2,044 shares of BIIB on 6 February. They now own 0 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Chief Accounting Officer
7 months ago

Godbout Sean sold 517 shares of BIIB on 6 February. They now own 1,035 BIIB shares.

Godbout Sean sold BIIB
biib•director, officer: President and CEO
7 months ago

Viehbacher Christopher sold 6,624 shares of BIIB on 6 February. They now own 29,924 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Corporate Development
7 months ago

Keeney Adam sold 1,802 shares of BIIB on 6 February. They now own 1,802 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Research
7 months ago

Grogan Jane sold 1,385 shares of BIIB on 6 February. They now own 1,385 BIIB shares.

Grogan Jane sold BIIB
biib•officer: EVP Chief Legal Officer
7 months ago

Alexander Susan H sold 2,190 shares of BIIB on 6 February. They now own 0 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 4,683 shares of BIIB on 6 February. They now own 9,367 BIIB shares.

Singhal Priya sold BIIB
biib•officer: EVP, Human Resources
7 months ago

Gregory Ginger sold 791 shares of BIIB on 6 February. They now own 18,608.767 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Head of Development
7 months ago

Singhal Priya sold 748 shares of BIIB on 2 February. They now own 6,271.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Development
8 months ago

Singhal Priya sold 582 shares of BIIB on 30 January. They now own 7,019.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Development
8 months ago

Singhal Priya bought 1,829 shares of BIIB on 30 January. They now own 7,601.143 BIIB shares.

Singhal Priya bought BIIB
biib•officer: Head of Development
8 months ago

Singhal Priya sold 1,829 shares of BIIB on 30 January. They now own 0 BIIB shares.

Singhal Priya sold BIIB
biib•director, officer: President and CEO
10 months ago

Viehbacher Christopher bought 7,040 shares of BIIB on 1 December. They now own 19,847 BIIB shares.

Viehbacher Christopher bought BIIB
biib•director, officer: President and CEO
10 months ago

Viehbacher Christopher sold 3,404 shares of BIIB on 1 December. They now own 16,443 BIIB shares.

Viehbacher Christopher sold BIIB
biib•director, officer: President and CEO
10 months ago

Viehbacher Christopher sold 7,040 shares of BIIB on 1 December. They now own 0 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Research
11 months ago

Grogan Jane sold 337 shares of BIIB on 31 October. They now own 1,791 BIIB shares.

Grogan Jane sold BIIB
biib•officer: Head of Research
11 months ago

Grogan Jane sold 695 shares of BIIB on 31 October. They now own 695 BIIB shares.

Grogan Jane sold BIIB
biib•officer: Head of Research
11 months ago

Grogan Jane bought 695 shares of BIIB on 31 October. They now own 2,128 BIIB shares.

Grogan Jane bought BIIB
biib•officer: Chief Accounting Officer
12 months ago

Godbout Sean sold 26 shares of BIIB on 2 October. They now own 27 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Chief Accounting Officer
12 months ago

Godbout Sean bought 26 shares of BIIB on 2 October. They now own 502.667 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Chief Accounting Officer
12 months ago

Godbout Sean sold 8 shares of BIIB on 2 October. They now own 494.667 BIIB shares.

Godbout Sean sold BIIB
biib•officer: Head of Development
1 year ago

Singhal Priya sold 517 shares of BIIB on 2 September. They now own 5,772.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Development
1 year ago

Singhal Priya sold 1,669 shares of BIIB on 29 August. They now own 0 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Development
1 year ago

Singhal Priya sold 807 shares of BIIB on 29 August. They now own 6,289.143 BIIB shares.

Singhal Priya sold BIIB
biib•officer: Head of Development
1 year ago

Singhal Priya bought 1,669 shares of BIIB on 29 August. They now own 7,096.143 BIIB shares.

Singhal Priya bought BIIB
biib•officer: Head of Global Product Strat.
1 year ago

Izzar Rachid sold 2,223 shares of BIIB on 8 July. They now own 6,330 BIIB shares.

Izzar Rachid sold BIIB
biib•director
1 year ago

Hawkins William A bought 2,370 shares of BIIB on 17 June. They now own 8,860 BIIB shares.

Hawkins William A bought BIIB
biib•director
1 year ago

Sherwin Stephen A bought 2,370 shares of BIIB on 17 June. They now own 13,688 BIIB shares.

Sherwin Stephen A bought BIIB
biib•director
1 year ago

Dorsa Caroline bought 3,160 shares of BIIB on 17 June. They now own 31,002 BIIB shares.

Dorsa Caroline bought BIIB
biib•director
1 year ago

Patolawala Monish D bought 2,370 shares of BIIB on 17 June. They now own 3,710 BIIB shares.

Patolawala Monish D bought BIIB
biib•director
1 year ago

Rowinsky Eric K bought 2,370 shares of BIIB on 17 June. They now own 24,339 BIIB shares.

Rowinsky Eric K bought BIIB
biib•director
1 year ago

Freire Maria C bought 2,370 shares of BIIB on 17 June. They now own 6,815 BIIB shares.

Freire Maria C bought BIIB
biib•director
1 year ago

Langer Susan bought 2,370 shares of BIIB on 17 June. They now own 5,129.1 BIIB shares.

Langer Susan bought BIIB
biib•director
1 year ago

Mantas Jesus B bought 2,370 shares of BIIB on 17 June. They now own 9,758 BIIB shares.

Mantas Jesus B bought BIIB
biib•director
1 year ago

Pangalos Menelas N bought 2,370 shares of BIIB on 17 June. They now own 2,370 BIIB shares.

Pangalos Menelas N bought BIIB
biib•director
1 year ago

Minor Lloyd bought 2,370 shares of BIIB on 17 June. They now own 2,370 BIIB shares.

Minor Lloyd bought BIIB
biib•officer: Head of Development
over 1 year ago

Singhal Priya sold 3,806 shares of BIIB on 19 May. They now own 5,427.143 BIIB shares.

Singhal Priya sold BIIB
biib•director
over 1 year ago

Dorsa Caroline bought 1,235 shares of BIIB on 2 May. They now own 27,842 BIIB shares.

Dorsa Caroline bought BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam sold 938 shares of BIIB on 1 May. They now own 939 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam sold 454 shares of BIIB on 1 May. They now own 2,384 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam bought 938 shares of BIIB on 1 May. They now own 2,838 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Godbout Sean bought 545 shares of BIIB on 1 April. They now own 545 BIIB shares.

Godbout Sean bought BIIB
biib•director
over 1 year ago

Sherwin Stephen A sold 8,760 shares of BIIB on 7 March. They now own 11,318 BIIB shares.

Sherwin Stephen A sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Godbout Sean bought 0 shares of BIIB on 1 March. They now own 310 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Godbout Sean bought 257 shares of BIIB on 1 March. They now own 0 BIIB shares.

Godbout Sean bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 245 shares of BIIB on 10 February. They now own 8,011.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 1,371 shares of BIIB on 10 February. They now own 24,341 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin bought 834 shares of BIIB on 10 February. They now own 8,256.748 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Head of Development
over 1 year ago

Singhal Priya sold 357 shares of BIIB on 10 February. They now own 9,066.476 BIIB shares.

Singhal Priya sold BIIB
biib•officer: EVP Chief Legal Officer
over 1 year ago

Alexander Susan H sold 2,575 shares of BIIB on 10 February. They now own 0 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: EVP, Human Resources
over 1 year ago

Gregory Ginger sold 634 shares of BIIB on 10 February. They now own 17,598.101 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: EVP, Human Resources
over 1 year ago

Gregory Ginger sold 2,159 shares of BIIB on 10 February. They now own 0 BIIB shares.

Gregory Ginger sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 1,515 shares of BIIB on 10 February. They now own 0 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 445 shares of BIIB on 10 February. They now own 8,553 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R bought 3,257 shares of BIIB on 10 February. They now own 25,712 BIIB shares.

Mcdonnell Michael R bought BIIB
biib•officer: Head of Development
over 1 year ago

Singhal Priya bought 1,212 shares of BIIB on 10 February. They now own 9,423.476 BIIB shares.

Singhal Priya bought BIIB
biib•officer: EVP Chief Legal Officer
over 1 year ago

Alexander Susan H bought 2,575 shares of BIIB on 10 February. They now own 37,072 BIIB shares.

Alexander Susan H bought BIIB
biib•officer: Head of Pharm Ops and Tech
over 1 year ago

Murphy Nicole sold 2,272 shares of BIIB on 10 February. They now own 0 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Pharm Ops and Tech
over 1 year ago

Murphy Nicole bought 2,272 shares of BIIB on 10 February. They now own 14,725.374 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 3,257 shares of BIIB on 10 February. They now own 0 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 834 shares of BIIB on 10 February. They now own 0 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Development
over 1 year ago

Singhal Priya sold 1,212 shares of BIIB on 10 February. They now own 0 BIIB shares.

Singhal Priya sold BIIB
biib•officer: EVP Chief Legal Officer
over 1 year ago

Alexander Susan H sold 807 shares of BIIB on 10 February. They now own 36,265 BIIB shares.

Alexander Susan H sold BIIB
biib•officer: Head of Pharm Ops and Tech
over 1 year ago

Murphy Nicole sold 670 shares of BIIB on 10 February. They now own 14,055.374 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid bought 1,515 shares of BIIB on 10 February. They now own 8,998 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: EVP, Human Resources
over 1 year ago

Gregory Ginger bought 2,159 shares of BIIB on 10 February. They now own 18,232.101 BIIB shares.

Gregory Ginger bought BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R bought 2,216 shares of BIIB on 7 February. They now own 23,171 BIIB shares.

Mcdonnell Michael R bought BIIB
biib•officer: Head of Research
over 1 year ago

Grogan Jane sold 1,385 shares of BIIB on 7 February. They now own 2,770 BIIB shares.

Grogan Jane sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin bought 788 shares of BIIB on 7 February. They now own 7,195.748 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin bought 703 shares of BIIB on 7 February. They now own 7,666.748 BIIB shares.

Kramer Robin bought BIIB
biib•director, officer: President and CEO
over 1 year ago

Viehbacher Christopher sold 3,201 shares of BIIB on 7 February. They now own 12,807 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Pharm Ops and Tech
over 1 year ago

Murphy Nicole sold 603 shares of BIIB on 7 February. They now own 12,453.374 BIIB shares.

Murphy Nicole sold BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam bought 1,801 shares of BIIB on 7 February. They now own 2,463 BIIB shares.

Keeney Adam bought BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 1,801 shares of BIIB on 7 February. They now own 3,604 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid bought 2,043 shares of BIIB on 7 February. They now own 7,224 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 788 shares of BIIB on 7 February. They now own 789 BIIB shares.

Kramer Robin sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 786 shares of BIIB on 7 February. They now own 20,955 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam sold 563 shares of BIIB on 7 February. They now own 1,900 BIIB shares.

Keeney Adam sold BIIB
biib•officer: Head of Research
over 1 year ago

Grogan Jane sold 443 shares of BIIB on 7 February. They now own 1,433 BIIB shares.

Grogan Jane sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 244 shares of BIIB on 7 February. They now own 7,422.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 2,043 shares of BIIB on 7 February. They now own 2,044 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 600 shares of BIIB on 7 February. They now own 6,624 BIIB shares.

Izzar Rachid sold BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 232 shares of BIIB on 7 February. They now own 6,963.748 BIIB shares.

Kramer Robin sold BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid bought 1,801 shares of BIIB on 7 February. They now own 7,860 BIIB shares.

Izzar Rachid bought BIIB
biib•officer: Head of Pharm Ops and Tech
over 1 year ago

Murphy Nicole bought 1,940 shares of BIIB on 7 February. They now own 13,056.374 BIIB shares.

Murphy Nicole bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin sold 703 shares of BIIB on 7 February. They now own 1,407 BIIB shares.

Kramer Robin sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 716 shares of BIIB on 7 February. They now own 22,455 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R bought 2,335 shares of BIIB on 7 February. They now own 21,741 BIIB shares.

Mcdonnell Michael R bought BIIB
biib•officer: Head of Global Product Strat.
over 1 year ago

Izzar Rachid sold 565 shares of BIIB on 7 February. They now own 6,059 BIIB shares.

Izzar Rachid sold BIIB
biib•director, officer: President and CEO
over 1 year ago

Viehbacher Christopher sold 9,008 shares of BIIB on 7 February. They now own 18,017 BIIB shares.

Viehbacher Christopher sold BIIB
biib•officer: Head of Research
over 1 year ago

Grogan Jane bought 1,385 shares of BIIB on 7 February. They now own 1,876 BIIB shares.

Grogan Jane bought BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 2,335 shares of BIIB on 7 February. They now own 2,335 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam sold 1,801 shares of BIIB on 7 February. They now own 3,604 BIIB shares.

Keeney Adam sold BIIB
biib•officer: EVP, Chief Financial Officer
over 1 year ago

Mcdonnell Michael R sold 2,216 shares of BIIB on 7 February. They now own 4,434 BIIB shares.

Mcdonnell Michael R sold BIIB
biib•director, officer: President and CEO
over 1 year ago

Viehbacher Christopher bought 9,008 shares of BIIB on 7 February. They now own 16,008 BIIB shares.

Viehbacher Christopher bought BIIB
biib•officer: Chief Accounting Officer
over 1 year ago

Kramer Robin bought 10,535 shares of BIIB on 6 February. They now own 10,535 BIIB shares.

Kramer Robin bought BIIB
biib•officer: Head of Corporate Development
over 1 year ago

Keeney Adam bought 9,835 shares of BIIB on 6 February. They now own 9,835 BIIB shares.

Keeney Adam bought BIIB