Edgar
Lookup
Industries
Insiders
Forms
Rankings
Articles
Home
/
BIOGEN INC.
/
Filings
/
4
4
PRIMARY DOCUMENT
Company
BIOGEN INC.
Filed
November 4, 2025
Period of Report
October 31, 2025
Accession Number
0000875045-25-000051
View Document ↗
View on SEC.gov ↗