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CIK 0000875045 · Large accelerated filer

BIOGEN INC.

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Ticker
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
  1. 4 Grant or award Director acquired 1,505 shares (grant or award)
  2. 4 Grant or award Director acquired 1,505 shares (grant or award)
  3. 4 Grant or award Director acquired 2,005 shares (grant or award)
  4. 8-K Event Shareholder vote results
  5. 8-K/A Event Exhibits
  6. SCHEDULE 13G/A Stake Statement of Beneficial Ownership
  7. SCHEDULE 13D/A Stake Beneficial Ownership Report
  8. 8-K Event Material agreement · Acquisition or sale completed · New debt or obligation · Regulation FD disclosure
  9. SC TO-T/A Deal Tender Offer Statement
  10. SC TO-T/A Deal Tender Offer Statement
  11. SC TO-T/A Deal Tender Offer Statement
  12. SCHEDULE 13G/A Stake Statement of Beneficial Ownership
  13. 4 Shares withheld for taxes Head of Corporate Development gave up 455 shares (to pay taxes)
  14. SCHEDULE 13G Stake Statement of Beneficial Ownership
  15. 10-Q Report Quarterly Report
  16. 8-K Event Results of operations
  17. ARS Other Annual Report to Security Holders
  18. DEFA14A Proxy Proxy Materials
  19. DEF 14A Proxy Proxy Statement
  20. SC TO-T Deal Tender Offer Statement

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