F
$ Value
$605K
Shares
3,404
Price
$178
Filed
Dec 3
Insider
Name
Viehbacher Christopher
Title
President and CEO
CIK
0001774478
Roles
Director
Officer
Transaction Details
Transaction Date
2025-12-01
Code
F
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
16,443
Footnotes
Each Restricted Stock Unit ("RSU") represents the right to receive, at settlement, one share of common stock. | Each RSU vested on the third anniversary of the grant date of December 1, 2022.
Filing Info
Viehbacher Christopher's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-02-13 | BIIB | A | $0 |
| 2026-02-06 | BIIB | M | $0 |
| 2026-02-06 | BIIB | F | $876K |
| 2026-02-06 | BIIB | M | $0 |
| 2026-02-06 | BIIB | F | $1.3M |
| 2026-02-06 | BIIB | M | $0 |
| 2026-02-06 | BIIB | M | $0 |
| 2025-12-01 | BIIB | M | $0 |
| 2025-12-01 | BIIB | F | $605K |
| 2025-12-01 | BIIB | M | $0 |
Other Insiders at BIIB (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Murphy Nicole
Head of Pharm Ops and Tech
|
$585 | — | 2026-02-13 |
|
ALEXANDER SUSAN H
EVP Chief Legal Officer
|
— | — | 2026-02-13 |
|
Gregory Ginger
EVP, Human Resources
|
— | — | 2026-02-13 |
|
Kramer Robin
Chief Financial Officer
|
— | — | 2026-02-13 |
|
Singhal Priya
Head of Development
|
— | $666K | 2026-02-13 |
|
Viehbacher Christopher
President and CEO
|
— | — | 2026-02-13 |
|
Izzar Rachid
Head of Global Product Strat.
|
— | — | 2026-02-13 |
|
Keeney Adam
Head of Corporate Development
|
— | — | 2026-02-13 |
|
Grogan Jane
Head of Research
|
— | — | 2026-02-13 |
|
Godbout Sean
Chief Accounting Officer
|
— | — | 2026-04-01 |