⌘K

Login Start Free

Home/Filings/4/0001127602-25-013345

4//SEC Filing

DORSA CAROLINE 4

Accession 0001127602-25-013345

CIK 0000875045other

View on SEC.gov Company Profile

Filed

May 4, 8:00 PM ET

Accepted

May 5, 4:17 PM ET

Size

4.5 KB

Accession

0001127602-25-013345

Insider Transaction Report

Form 4

Period: 2025-05-02

BIOGEN INC.BIIB

Director

Transactions

Purchase
Common Stock
2025-05-02$122.72/sh+1,235$151,559→ 27,842 total

Documents

1 file

4
form4.xmlPrimary
PRIMARY DOCUMENT

Issuer

BIOGEN INC.

CIK 0000875045

Entity typeother

Related Parties

1

filerCIK 0001181174

Filing Metadata

Form type: 4
Filed: May 4, 8:00 PM ET
Accepted: May 5, 4:17 PM ET
Size: 4.5 KB

View on SEC.gov