Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001959173-25-003316
Filing Date
2025-05-19
Accepted
2025-05-19 11:24:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 4524
  Complete submission text file 0001959173-25-003316.txt   6217
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Subject) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 000-19311 | Film No.: 25962377
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)

Mailing Address C/O ZAFGEN, INC. 175 PORTLAND STREET 4TH FL BOSTON MA 02114
Business Address
Singhal Priya (Reporting) CIK: 0001769608 (see all company filings)

Type: 144