$BIIB

📈 Chart

86 transactions across 5 dates · last 90 days

30d 90d 180d 365d

6-Month Buy/Sell Trend

Buys Sells
▶ 2026-04-01
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Godbout Sean Chief Accounting Officer M 181 $0 $0 Apr 3
Godbout Sean Chief Accounting Officer F 54 $184 $10K Apr 3
Godbout Sean Chief Accounting Officer M 181 $0 $0 Apr 3
▶ 2026-02-06
78 other
⚡ 10 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
ALEXANDER SUSAN H EVP Chief Legal Officer M 2,190 $0 $0 Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer F 1,059 $201 $213K Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer M 1,940 $0 $0 Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer F 931 $201 $187K Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer M 4,916 $0 $0 Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer F 1,514 $201 $305K Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer M 2,190 $0 $0 Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer M 1,940 $0 $0 Feb 10
ALEXANDER SUSAN H EVP Chief Legal Officer M 4,916 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer M 257 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer F 76 $201 $15K Feb 10
Godbout Sean Chief Accounting Officer M 305 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer F 103 $201 $21K Feb 10
Godbout Sean Chief Accounting Officer M 517 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer F 180 $201 $36K Feb 10
Godbout Sean Chief Accounting Officer M 257 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer M 305 $0 $0 Feb 10
Godbout Sean Chief Accounting Officer M 517 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources M 1,635 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources F 791 $201 $159K Feb 10
Gregory Ginger EVP, Human Resources M 1,802 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources F 666 $201 $134K Feb 10
Gregory Ginger EVP, Human Resources M 3,746 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources F 1,132 $201 $228K Feb 10
Gregory Ginger EVP, Human Resources M 1,635 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources M 1,802 $0 $0 Feb 10
Gregory Ginger EVP, Human Resources M 3,746 $0 $0 Feb 10
Grogan Jane Head of Research M 1,385 $0 $0 Feb 10
Grogan Jane Head of Research F 407 $201 $82K Feb 10
Grogan Jane Head of Research M 1,873 $0 $0 Feb 10
Grogan Jane Head of Research F 584 $201 $117K Feb 10
Grogan Jane Head of Research M 1,385 $0 $0 Feb 10
Grogan Jane Head of Research M 1,873 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. M 2,044 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. F 805 $201 $162K Feb 10
Izzar Rachid Head of Global Product Strat. M 1,802 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. F 458 $201 $92K Feb 10
Izzar Rachid Head of Global Product Strat. M 3,043 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. F 775 $201 $156K Feb 10
Izzar Rachid Head of Global Product Strat. M 2,044 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. M 1,802 $0 $0 Feb 10
Izzar Rachid Head of Global Product Strat. M 3,043 $0 $0 Feb 10
Keeney Adam Head of Corporate Development M 1,802 $0 $0 Feb 10
Keeney Adam Head of Corporate Development F 589 $201 $118K Feb 10
Keeney Adam Head of Corporate Development M 3,278 $0 $0 Feb 10
Keeney Adam Head of Corporate Development F 994 $201 $200K Feb 10
Keeney Adam Head of Corporate Development M 1,802 $0 $0 Feb 10
Keeney Adam Head of Corporate Development M 3,278 $0 $0 Feb 10
Kramer Robin Chief Financial Officer M 789 $0 $0 Feb 10
Kramer Robin Chief Financial Officer F 273 $201 $55K Feb 10
Kramer Robin Chief Financial Officer M 703 $0 $0 Feb 10
Kramer Robin Chief Financial Officer F 207 $201 $42K Feb 10
Kramer Robin Chief Financial Officer M 3,511 $0 $0 Feb 10
Kramer Robin Chief Financial Officer F 1,063 $201 $214K Feb 10
Kramer Robin Chief Financial Officer M 789 $0 $0 Feb 10
Kramer Robin Chief Financial Officer M 703 $0 $0 Feb 10
Kramer Robin Chief Financial Officer M 3,511 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 2,102 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech F 1,017 $201 $205K Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 1,940 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech F 914 $201 $184K Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 4,683 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech F 1,408 $201 $283K Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 2,102 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 1,940 $0 $0 Feb 10
Murphy Nicole Head of Pharm Ops and Tech M 4,683 $0 $0 Feb 10
Singhal Priya Head of Development M 2,217 $0 $0 Feb 10
Singhal Priya Head of Development F 1,056 $201 $212K Feb 10
Singhal Priya Head of Development M 4,683 $0 $0 Feb 10
Singhal Priya Head of Development F 1,412 $201 $284K Feb 10
Singhal Priya Head of Development M 2,217 $0 $0 Feb 10
Singhal Priya Head of Development M 4,683 $0 $0 Feb 10
Viehbacher Christopher President and CEO M 9,008 $0 $0 Feb 10
Viehbacher Christopher President and CEO F 4,356 $201 $876K Feb 10
Viehbacher Christopher President and CEO M 15,453 $0 $0 Feb 10
Viehbacher Christopher President and CEO F 6,624 $201 $1.3M Feb 10
Viehbacher Christopher President and CEO M 9,008 $0 $0 Feb 10
Viehbacher Christopher President and CEO M 15,453 $0 $0 Feb 10
▶ 2026-02-09
▼ 1 sell · $532K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Singhal Priya Head of Development ▼ Sell 2,660 $200 $532K Feb 10
▶ 2026-01-30
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Singhal Priya Head of Development M 1,829 $0 $0 Feb 3
Singhal Priya Head of Development F 582 $180 $105K Feb 3
Singhal Priya Head of Development M 1,829 $0 $0 Feb 3
▶ 2026-02-02
▼ 1 sell · $134K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Singhal Priya Head of Development ▼ Sell 748 $179 $134K Feb 3