Biogen Inc (BIIB) insider trading
Every open-market stock purchase and sale by Biogen Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Healthcare.
Insider activity at a glance
- Lloyd Minor (Director) sold $240K in the last 90 days.
- Last insider buy: Nicole Murphy (Officer), $585, 8 months ago.
- Congress: Maria Elvira Salazar sold $15K to $50K, 4 months ago.
Last 12 months: insiders bought $585 (1 buy) and sold $905K (3 sales). Last close $224.51 on Sep 3, 2026.
Recent BIIB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 1, 2026 | Michael Parini (C-suite exec) | Bought (not open market) | — |
| Aug 4, 2026 | Lloyd Minor (Director) | Sold | $119K |
| Aug 3, 2026 | Lloyd Minor (Director) | Sold | $121K |
| Jun 9, 2026 | Eric K Rowinsky (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Menelas N Pangalos (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Maria C Freire (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Menelas N Pangalos (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Stephen A Sherwin (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Monish D Patolawala (Director) | Bought (not open market) | — |
| Jun 9, 2026 | William A Hawkins (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Susan Langer (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Lloyd Minor (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Jesus B Mantas (Director) | Bought (not open market) | — |
| Jun 5, 2026 | Gilbert Cisneros (Congress) | Bought | $1K–$15K |
| Jun 2, 2026 | Maria Elvira Salazar (Congress) | Sold | $15K–$50K |
| May 12, 2026 | Maria Elvira Salazar (Congress) | Bought | $1K–$15K |
| May 11, 2026 | Maria Elvira Salazar (Congress) | Bought | $1K–$15K |
| May 1, 2026 | Adam Keeney (Officer) | Sold (not open market) | $85.1K |
| May 1, 2026 | Adam Keeney (Officer) | Bought (not open market) | — |
| Apr 1, 2026 | Sean Godbout (C-suite exec) | Sold (not open market) | $9.9K |
| Apr 1, 2026 | Sean Godbout (C-suite exec) | Bought (not open market) | — |
| Feb 13, 2026 | Jane Grogan (Officer) | Bought (not open market) | — |
| Feb 13, 2026 | Susan H Alexander (C-suite exec) | Bought (not open market) | — |
| Feb 13, 2026 | Adam Keeney (Officer) | Bought (not open market) | — |
| Feb 13, 2026 | Christopher Viehbacher (CEO) | Bought (not open market) | — |
Who's trading BIIB
- Michael Parini, C-suite exec: other filings, last Sep 1, 2026
- Lloyd Minor, Director: sold $240K (2 sales), last Aug 4, 2026
- Menelas N Pangalos, Director: other filings, last Jun 9, 2026
- Monish D Patolawala, Director: other filings, last Jun 9, 2026
- Maria C Freire, Director: other filings, last Jun 9, 2026
- William A Hawkins, Director: other filings, last Jun 9, 2026
- Jesus B Mantas, Director: other filings, last Jun 9, 2026
- Stephen A Sherwin, Director: other filings, last Jun 9, 2026
- Susan Langer, Director: other filings, last Jun 9, 2026
- Eric K Rowinsky, Director: other filings, last Jun 9, 2026
- Gilbert Cisneros, Congress: bought $16K (2 buys), last Jun 5, 2026
- Maria Elvira Salazar, Congress: bought $16K (2 buys), sold $15K (1 sale), last Jun 2, 2026
- Adam Keeney, Officer: other filings, last May 1, 2026
- Sean Godbout, C-suite exec: other filings, last Apr 1, 2026
- Susan H Alexander, C-suite exec: other filings, last Feb 13, 2026
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