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 |
|---|---|---|---|---|---|---|
| 2026-01-30 | Singhal Priya Head of Development | Option exercise · Restricted Stock Unit 10b5-1 | −1,829 | 0 | ||
| 2025-12-01 | Viehbacher Christopher President and CEO | Option exercise | +7,040 | 19,847 | ||
| 2025-12-01 | Viehbacher Christopher President and CEO | Shares withheld for taxes | −3,404 | $177.78 | $605K | 16,443 |
| 2025-12-01 | Viehbacher Christopher President and CEO | Option exercise · Restricted Stock Unit | −7,040 | 0 | ||
| 2025-10-31 | Grogan Jane Head of Research | Option exercise | +695 | 2,128 | ||
| 2025-10-31 | Grogan Jane Head of Research | Shares withheld for taxes | −337 | $154.27 | $52K | 1,791 |
| 2025-10-31 | Grogan Jane Head of Research | Option exercise · Restricted Stock Unit | −695 | 695 | ||
| 2025-10-02 | Godbout Sean Chief Accounting Officer | Option exercise | +26 | 502.67 | ||
| 2025-10-02 | Godbout Sean Chief Accounting Officer | Shares withheld for taxes | −8 | $155.25 | $1K | 494.67 |
| 2025-10-02 | Godbout Sean Chief Accounting Officer | Option exercise · Restricted Stock Unit | −26 | 27 | ||
| 2025-09-02 | Singhal Priya Head of Development | Sale 10b5-1 | −517 | $133.55 | $69K | 5,772.14 |
| 2025-08-29 | Singhal Priya Head of Development | Option exercise 10b5-1 | +1,669 | 7,096.14 | ||
| 2025-08-29 | Singhal Priya Head of Development | Shares withheld for taxes 10b5-1 | −807 | $132.22 | $107K | 6,289.14 |
| 2025-08-29 | Singhal Priya Head of Development | Option exercise · Restricted Stock Unit 10b5-1 | −1,669 | 0 | ||
| 2025-07-08 | Izzar Rachid Head of Global Product Strat. | Sale 10b5-1 | −2,223 | $135.00 | $300K | 6,330 |
| 2025-06-17 | Pangalos Menelas N Director | Grant or award · Restricted Stock Unit | +2,370 | 2,370 | ||
| 2025-06-17 | Minor Lloyd Director | Grant or award | +2,370 | 2,370 | ||
| 2025-06-17 | Patolawala Monish D Director | Grant or award | +2,370 | 3,710 | ||
| 2025-06-17 | Mantas Jesus B Director | Grant or award | +2,370 | 9,758 | ||
| 2025-06-17 | HAWKINS WILLIAM A Director | Grant or award | +2,370 | 8,860 |
Page 7 of 29 · 579 trades