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Filing Detail
Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0000950135-99-002264
Filing Date
1999-04-30
Accepted
1999-04-30 00:00:00
Documents
1
Period of Report
1998-12-31

Document Format Files

Seq Description Document Type Size
1 BIOGEN, INC. 10-K/A 53833
  Complete submission text file 0000950135-99-002264.txt   55323
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: 10-K/A | Act: 34 | File No.: 000-12042 | Film No.: 99607076
SIC: 2836 Biological Products, (No Diagnostic Substances)