Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-25-013346
Filing Date
2025-05-05
Accepted
2025-05-05 16:19:20
Documents
1
Period of Report
2025-05-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 6564
  Complete submission text file 0001127602-25-013346.txt   8254
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 BIOGEN INC. 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address
Keeney Adam (Reporting) CIK: 0001973607 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19311 | Film No.: 25913259