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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-23-026781
Filing Date
2023-11-03
Accepted
2023-11-03 17:06:35
Documents
1
Period of Report
2023-11-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4267
  Complete submission text file 0001127602-23-026781.txt   5883
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)

IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address BIOGEN INC. 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address
Grogan Jane (Reporting) CIK: 0001995547 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19311 | Film No.: 231377261