SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form ARS - Annual Report to Security Holders:
SEC Accession No. 9999999997-05-021248
Filing Date
2005-04-25
Accepted
2005-04-28 09:26:55
Documents
1
Period of Report
2004-12-31
Effectiveness Date
2005-04-25

Document Format Files

Seq Description Document Type Size
1 AUTO-GENERATED PAPER DOCUMENT 9999999997-05-021248.paper ARS 290
  Scanned paper document scanned.pdf   2540466
  Complete submission text file 9999999997-05-021248.txt   1796
Mailing Address 14 CAMBRIDGE CTR CAMBRIDGE MA 02142
Business Address 14 CAMBRIDGE CTR CAMBRIDGE MA 02142 6176792000
BIOGEN INC (Filer) CIK: 0000714655 (see all company filings)

IRS No.: 043002117 | State of Incorp.: MA | Fiscal Year End: 1231
Type: ARS | Act: 34 | File No.: 000-12042 | Film No.: 05052714
SIC: 2836 Biological Products, (No Diagnostic Substances)