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4//SEC Filing

Izzar Rachid 4

Accession 0001127602-25-019295

CIK 0000875045other

View on SEC.gov Company Profile

Filed

Jul 15, 8:00 PM ET

Accepted

Jul 16, 5:55 PM ET

Size

4.6 KB

Accession

0001127602-25-019295

Insider Transaction Report

Form 4

Period: 2025-07-08

BIOGEN INC.BIIB

Head of Global Product Strat.

Transactions

Sale
Common Stock
2025-07-08$135.00/sh−2,223$300,105→ 6,330 total

Documents

1 file

4
form4.xmlPrimary
PRIMARY DOCUMENT

Issuer

BIOGEN INC.

CIK 0000875045

Entity typeother

Related Parties

1

filerCIK 0001875506

Filing Metadata

Form type: 4
Filed: Jul 15, 8:00 PM ET
Accepted: Jul 16, 5:55 PM ET
Size: 4.6 KB

View on SEC.gov