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Filing
Form 3
Form 3
0001127602-23-019544
·
BIOGEN INC.
Filer
Filing index
Filing metadata
Accession number
0001127602-23-019544
Form type
Form 3
Filer
BIOGEN INC.
CIK
CIK 875045
Filed
Jun 28, 2023
Reporting period
Jun 26, 2023
Description
Initial ownership
Documents
Filing index
0001127602-23-019544-index.htm
Complete submission
0001127602-23-019544.txt
All documents
directory listing
Filed by
BIOGEN INC.
CIK 875045
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