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5//SEC Filing

Posner Brian S 5

Accession 0001127602-21-004680

CIK 0000875045other

View on SEC.gov Company Profile

Filed

Feb 8, 7:00 PM ET

Accepted

Feb 9, 4:15 PM ET

Size

4.5 KB

Accession

0001127602-21-004680

Insider Transaction Report

Form 5

Period: 2020-12-31

BIOGEN INC.BIIB

Director

Transactions

Gift
Common Stock
2020-08-03−125→ 7,760 total

Documents

1 file

5
form5.xmlPrimary
PRIMARY DOCUMENT

Issuer

BIOGEN INC.

CIK 0000875045

Entity typeother

Related Parties

1

filerCIK 0001372455

Filing Metadata

Form type: 5
Filed: Feb 8, 7:00 PM ET
Accepted: Feb 9, 4:15 PM ET
Size: 4.5 KB

View on SEC.gov