Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-10-006331
Filing Date
2010-02-25
Accepted
2010-02-25 17:11:29
Documents
2
Period of Report
2010-02-23

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4346
2 POWER OF ATTORNEY doc1.txt EX-24 4166
  Complete submission text file 0001127602-10-006331.txt   10454
Mailing Address 14 CAMBRIDGE CENTER CAMBRIDGE MA 02142
Business Address 14 CAMBRIDGE CENTER CAMBRIDGE MA 02142 6176792000
BIOGEN IDEC INC. (Issuer) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 222 BERKELEY STREET STE 1650 BOSTON MA 02116
Business Address
LYTTON MICHAEL (Reporting) CIK: 0001286396 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19311 | Film No.: 10634548