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Filing
Form 4
Form 4
0000875045-25-000051
·
BIOGEN INC.
Filer
Filing index
Filing metadata
Accession number
0000875045-25-000051
Form type
Form 4
Filer
BIOGEN INC.
CIK
CIK 875045
Filed
Nov 04, 2025
Reporting period
Oct 31, 2025
Description
Insider transaction
Documents
Filing index
0000875045-25-000051-index.htm
Complete submission
0000875045-25-000051.txt
All documents
directory listing
Filed by
BIOGEN INC.
CIK 875045
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