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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 Insider Changes in Ownership
  2. 4 Insider Changes in Ownership
  3. 3 Insider Initial Statement of Ownership
  4. 3 Insider Initial Statement of Ownership
  5. UPLOAD Other SEC-generated Letter
  6. CORRESP Other Correspondence Between Filers and SEC Staff
  7. UPLOAD Other SEC-generated Letter
  8. 4 Insider Changes in Ownership
  9. 4 Insider Changes in Ownership
  10. CORRESP Other Correspondence Between Filers and SEC Staff
  11. 8-K Event Bylaws or fiscal year change · Shareholder vote results
  12. 4 Insider Changes in Ownership
  13. PX14A6G Other Notice of Exempt Solicitation Submitted by Non-management
  14. UPLOAD Other SEC-generated Letter
  15. DEFA14A Proxy Proxy Materials
  16. DEF 14A Proxy Proxy Statement
  17. 10-Q Report Quarterly Report
  18. 8-K Event Results of operations
  19. PRE 14A Proxy Proxy Statement (Preliminary)
  20. DEFA14A Proxy Proxy Materials

Page 23 of 137 · 2,721 filings