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Filing
Form 3
Form 3
0000899243-21-001313
·
BIOGEN INC.
Filer
Filing index
Filing metadata
Accession number
0000899243-21-001313
Form type
Form 3
Filer
BIOGEN INC.
CIK
CIK 875045
Filed
Jan 11, 2021
Reporting period
Dec 31, 2020
Description
Initial ownership
Documents
Filing index
0000899243-21-001313-index.htm
Complete submission
0000899243-21-001313.txt
All documents
directory listing
Filed by
BIOGEN INC.
CIK 875045
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