BIOGEN INC. (BIIB) Insider Trading -- Recent Executive & Director Transactions
20 insiders reported 98 Form 4 transactions for BIOGEN INC. (BIIB) over the past 18 months (most recent 2026-10-05). Recent activity: Godbout Sean (Chief Accounting Officer) Buy 27 shares, Godbout Sean (Chief Accounting Officer) Sell 8 shares, Minor Lloyd (Director) Sell 593 shares, Minor Lloyd (Director) Sell 593 shares, Rowinsky Eric K (Director) Buy 1,505 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-05 | Godbout Sean | Chief Accounting Officer | Buy | 27 | $0 |
| 2026-10-05 | Godbout Sean | Chief Accounting Officer | Sell | 8 | $1,759 |
| 2026-08-05 | Minor Lloyd | Director | Sell | 593 | $120,581 |
| 2026-08-05 | Minor Lloyd | Director | Sell | 593 | $119,169 |
| 2026-06-11 | Rowinsky Eric K | Director | Buy | 1,505 | $0 |
| 2026-06-11 | Mantas Jesus B | Director | Buy | 1,505 | $0 |
| 2026-06-11 | Patolawala Monish D | Director | Buy | 1,505 | $0 |
| 2026-06-11 | SHERWIN STEPHEN A | Director | Buy | 1,505 | $0 |
| 2026-06-11 | Freire Maria C | Director | Buy | 2,005 | $0 |
| 2026-06-11 | Pangalos Menelas N | Director | Buy | 1,505 | $0 |
| 2026-06-11 | LANGER SUSAN | Director | Buy | 1,505 | $0 |
| 2026-06-11 | Minor Lloyd | Director | Buy | 1,505 | $0 |
| 2026-06-11 | HAWKINS WILLIAM A | Director | Buy | 1,505 | $0 |
| 2026-06-11 | Pangalos Menelas N | Director | Buy | 2,370 | $0 |
| 2026-05-05 | Keeney Adam | Head of Corporate Development | Buy | 939 | $0 |
| 2026-05-05 | Keeney Adam | Head of Corporate Development | Sell | 455 | $85,112 |
| 2026-04-03 | Godbout Sean | Chief Accounting Officer | Buy | 181 | $0 |
| 2026-04-03 | Godbout Sean | Chief Accounting Officer | Sell | 54 | $9,924 |
| 2026-02-17 | Murphy Nicole | Head of Pharm Ops and Tech | Buy | 3 | $585 |
| 2026-02-10 | Godbout Sean | Chief Accounting Officer | Buy | 257 | $0 |
| 2026-02-10 | Singhal Priya | Head of Development | Buy | 2,217 | $0 |
| 2026-02-10 | Singhal Priya | Head of Development | Sell | 1,056 | $212,446 |
| 2026-02-10 | Singhal Priya | Head of Development | Buy | 4,683 | $0 |
| 2026-02-10 | Singhal Priya | Head of Development | Sell | 1,412 | $284,066 |
| 2026-02-10 | Singhal Priya | Head of Development | Sell | 2,660 | $531,548 |
Source: SEC Form 4 filings · as of 2026-10-05