CIK 0000875045 · Large accelerated filer
BIOGEN INC.
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- BIIB
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 330112644
- Phone
- 6176792000
- Business address
- 225 BINNEY STREET, CAMBRIDGE, MA, 02142
- Former names
- BIOGEN IDEC INC., BIOGEN IDEC INC, IDEC PHARMACEUTICALS CORP / DE, IDEC PHARMACEUTICALS CORP / CA
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-02-12 | Murphy Nicole Head of Pharm Ops and Tech | Purchase | +3 | $195.04 | $585 | 19,611.04 |
| 2025-05-02 | DORSA CAROLINE Director | Purchase | +1,235 | $122.72 | $152K | 27,842 |
| 2024-02-15 | Rowinsky Eric K Director | Purchase | +455 | $222.54 | $101K | 20,629 |
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