Financials

SEC Filing Details

View of a building

Document Details

Filing Date
Feb 11, 1999
Document Date
Feb 11, 1999
Form Description
A statement of beneficial ownership of common stock by certain persons
Filing Group
Other
Company
Biogen
Issuer
BIOGEN INC.
Filer
VANGUARD SPECIALIZED FUNDS
Stockholder Communications icon

Stockholder Communications

E-mail Alerts icon

E-mail Alerts

FAQs icon

FAQs