BIOGEN INC. insider transactions
Published Form 4 ownership transactions for BIIB.
| Date | Insider | Code | Shares | Price | Filing |
|---|---|---|---|---|---|
| 2026-06-09 | SHERWIN STEPHEN A | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Mantas Jesus B | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Minor Lloyd | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | LANGER SUSAN | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Patolawala Monish D | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Freire Maria C | A / A | 2,005 | 0 | 4 |
| 2026-06-09 | Rowinsky Eric K | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Pangalos Menelas N | A / A | 1,505 | 0 | 4 |
| 2026-06-09 | Pangalos Menelas N | M / A | 2,370 | 0 | 4 |
| 2026-06-09 | HAWKINS WILLIAM A | A / A | 1,505 | 0 | 4 |
| 2026-05-01 | Keeney Adam | M / A | 939 | 0 | 4 |
| 2026-05-01 | Keeney Adam | F / D | 455 | 187.06 | 4 |
| 2026-04-01 | Godbout Sean | M / A | 181 | 0 | 4 |
| 2026-04-01 | Godbout Sean | F / D | 54 | 183.78 | 4 |
| 2026-02-12 | Murphy Nicole | P / A | 3 | 195.035 | 4 |
| 2026-02-09 | Singhal Priya | S / D | 2,660 | 199.83 | 4 |
| 2026-02-06 | Keeney Adam | F / D | 994 | 201.18 | 4 |
| 2026-02-06 | Gregory Ginger | M / A | 1,635 | 0 | 4 |
| 2026-02-06 | Gregory Ginger | F / D | 791 | 201.18 | 4 |
| 2026-02-06 | Gregory Ginger | M / A | 1,802 | 0 | 4 |
| 2026-02-06 | Gregory Ginger | F / D | 666 | 201.18 | 4 |
| 2026-02-06 | Gregory Ginger | M / A | 3,746 | 0 | 4 |
| 2026-02-06 | Gregory Ginger | F / D | 1,132 | 201.18 | 4 |
| 2026-02-06 | Singhal Priya | M / A | 2,217 | 0 | 4 |
| 2026-02-06 | Singhal Priya | F / D | 1,056 | 201.18 | 4 |
| 2026-02-06 | Singhal Priya | M / A | 4,683 | 0 | 4 |
| 2026-02-06 | Singhal Priya | F / D | 1,412 | 201.18 | 4 |
| 2026-02-06 | Kramer Robin | M / A | 703 | 0 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | M / A | 1,940 | 0 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | F / D | 931 | 201.18 | 4 |
| 2026-02-06 | Godbout Sean | F / D | 180 | 201.18 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | M / A | 4,916 | 0 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | F / D | 1,514 | 201.18 | 4 |
| 2026-02-06 | Izzar Rachid | F / D | 775 | 201.18 | 4 |
| 2026-02-06 | Kramer Robin | M / A | 789 | 0 | 4 |
| 2026-02-06 | Kramer Robin | M / A | 3,511 | 0 | 4 |
| 2026-02-06 | Kramer Robin | F / D | 207 | 201.18 | 4 |
| 2026-02-06 | Kramer Robin | F / D | 1,063 | 201.18 | 4 |
| 2026-02-06 | Keeney Adam | M / A | 3,278 | 0 | 4 |
| 2026-02-06 | Keeney Adam | F / D | 589 | 201.18 | 4 |
| 2026-02-06 | Keeney Adam | M / A | 1,802 | 0 | 4 |
| 2026-02-06 | Izzar Rachid | F / D | 805 | 201.18 | 4 |
| 2026-02-06 | Izzar Rachid | M / A | 1,802 | 0 | 4 |
| 2026-02-06 | Izzar Rachid | F / D | 458 | 201.18 | 4 |
| 2026-02-06 | Kramer Robin | F / D | 273 | 201.18 | 4 |
| 2026-02-06 | Izzar Rachid | M / A | 3,043 | 0 | 4 |
| 2026-02-06 | Izzar Rachid | M / A | 2,044 | 0 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | F / D | 1,059 | 201.18 | 4 |
| 2026-02-06 | ALEXANDER SUSAN H | M / A | 2,190 | 0 | 4 |
| 2026-02-06 | Murphy Nicole | F / D | 1,017 | 201.18 | 4 |