BIIB insider trading
Biogen Inc. · end-of-day data as of Oct 16, 2026
Biogen Inc.
$232.65+15.1%
Buy · 37 analystsPT $238.98 +2.7%
In the last 12 months BIIB insiders made 1 open-market purchase worth $585 and 4 sales worth $905K, as reported on SEC Form 4. The latest: Minor Lloyd (director) sold 593 shares at $200.96 on Aug 4, 2026.
Last 90 days
- Insiders-$240K
Transactions
Open-market buys $585 · sells $905K over the last 365 days (1 buys, 4 sells).
| Oct 2, 2026 | Godbout Sean | Other | 62 | $219.88 | $1.76K |
| Oct 1, 2026 | Godbout Sean | Other | 985 | — | — |
| Sep 1, 2026 | Parini Michael | Other | 7,405 | — | — |
| Aug 4, 2026 | Minor Lloyd | Sell | 593 | $200.96 | $119K |
| Aug 3, 2026 | Minor Lloyd | Sell | 593 | $203.34 | $121K |
| Aug 3, 2026 | Parini Michael | Other | 0 | — | — |
| Jun 9, 2026 | Freire Maria C | Other | 2,005 | — | — |
| Jun 9, 2026 | HAWKINS WILLIAM A | Other | 1,505 | — | — |
| Jun 9, 2026 | LANGER SUSAN | Other | 1,505 | — | — |
| Jun 9, 2026 | Mantas Jesus B | Other | 1,505 | — | — |
| Jun 9, 2026 | Minor Lloyd | Other | 1,505 | — | — |
| Jun 9, 2026 | Pangalos Menelas N | Other | 6,245 | — | — |
| Jun 9, 2026 | Patolawala Monish D | Other | 1,505 | — | — |
| Jun 9, 2026 | Rowinsky Eric K | Other | 1,505 | — | — |
| Jun 9, 2026 | SHERWIN STEPHEN A | Other | 1,505 | — | — |
| May 1, 2026 | Keeney Adam | Other | 2,333 | $187.06 | $85.11K |
| Apr 1, 2026 | Godbout Sean | Other | 416 | $183.78 | $9.92K |
| Feb 13, 2026 | ALEXANDER SUSAN H | Other | 8,450 | — | — |
| Feb 13, 2026 | Godbout Sean | Other | 1,800 | — | — |
| Feb 13, 2026 | Gregory Ginger | Other | 8,025 | — | — |
Source: SEC Form 4 filings. "Other" covers awards, option exercises and gifts.