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Filing
Form 4
Form 4
0001127602-23-011661
·
BIOGEN INC.
Filer
Filing index
Filing metadata
Accession number
0001127602-23-011661
Form type
Form 4
Filer
BIOGEN INC.
CIK
CIK 875045
Filed
Mar 30, 2023
Reporting period
Mar 28, 2023
Description
Insider transaction
Documents
Filing index
0001127602-23-011661-index.htm
Complete submission
0001127602-23-011661.txt
All documents
directory listing
Filed by
BIOGEN INC.
CIK 875045
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