Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-23-019541
Filing Date
2023-06-28
Accepted
2023-06-28 18:59:03
Documents
1
Period of Report
2023-06-26

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 2809
  Complete submission text file 0001127602-23-019541.txt   4425
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)

Mailing Address BIOGEN INC. 225 BINNEY ST. CAMBRIDGE MA 02142
Business Address
DORSA CAROLINE (Reporting) CIK: 0001181174 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19311 | Film No.: 231053833