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 |
|---|---|---|---|---|---|---|
| 2026-02-06 | Viehbacher Christopher President and CEO | Shares withheld for taxes | −4,356 | $201.18 | $876K | 21,095 |
| 2026-02-06 | Viehbacher Christopher President and CEO | Option exercise | +15,453 | 36,548 | ||
| 2026-02-06 | Viehbacher Christopher President and CEO | Shares withheld for taxes | −6,624 | $201.18 | $1.3M | 29,924 |
| 2026-02-06 | Viehbacher Christopher President and CEO | Option exercise · Restricted Stock Unit | −9,008 | 9,009 | ||
| 2026-02-06 | Viehbacher Christopher President and CEO | Option exercise · Restricted Stock Unit | −15,453 | 30,907 | ||
| 2026-02-06 | Singhal Priya Head of Development | Option exercise 10b5-1 | +2,217 | 8,488.14 | ||
| 2026-02-06 | Singhal Priya Head of Development | Shares withheld for taxes 10b5-1 | −1,056 | $201.18 | $212K | 7,432.14 |
| 2026-02-06 | Singhal Priya Head of Development | Option exercise 10b5-1 | +4,683 | 12,115.14 | ||
| 2026-02-06 | Singhal Priya Head of Development | Shares withheld for taxes 10b5-1 | −1,412 | $201.18 | $284K | 10,703.14 |
| 2026-02-06 | Singhal Priya Head of Development | Option exercise · Restricted Stock Unit 10b5-1 | −2,217 | 2,217 | ||
| 2026-02-06 | Singhal Priya Head of Development | Option exercise · Restricted Stock Unit 10b5-1 | −4,683 | 9,367 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise | +2,102 | 16,324.04 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Shares withheld for taxes | −1,017 | $201.18 | $205K | 15,307.04 |
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise | +1,940 | 17,247.04 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Shares withheld for taxes | −914 | $201.18 | $184K | 16,333.04 |
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise | +4,683 | 21,016.04 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Shares withheld for taxes | −1,408 | $201.18 | $283K | 19,608.04 |
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise · Restricted Stock Unit | −2,102 | 0 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise · Restricted Stock Unit | −1,940 | 1,940 | ||
| 2026-02-06 | Murphy Nicole Head of Pharm Ops and Tech | Option exercise · Restricted Stock Unit | −4,683 | 9,367 |
Page 3 of 29 · 579 trades