Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001127602-25-000914
Filing Date
2025-01-07
Accepted
2025-01-07 16:14:10
Documents
2
Period of Report
2025-01-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form3.html 3  
1 PRIMARY DOCUMENT form3.xml 3 1964
2 POWER OF ATTORNEY (PUBLIC): POWER OF ATTORNEY doc1.txt EX-24 4047
  Complete submission text file 0001127602-25-000914.txt   7697
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN 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)
(CF Office: 03 Life Sciences)

Mailing Address 18105 SE MILL PLAIN BLVD VANCOUVER WA 98683
Business Address
Pangalos Menelas N (Reporting) CIK: 0002001873 (see all company filings)

Type: 3 | Act: 34 | File No.: 000-19311 | Film No.: 25515024