EDGAR Filing Documents for 0001127602-24-004311

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001127602-24-004311

Filing Date

2024-02-09

Accepted

2024-02-09 20:16:49

Documents

Period of Report

2024-02-07

Document Format Files

Seq	Description	Document	Type	Size
1	PRIMARY DOCUMENT	form4.html	4
1	PRIMARY DOCUMENT	form4.xml	4	8786
	Complete submission text file	0001127602-24-004311.txt		10500

Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142

Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000

BIOGEN INC. (Issuer) CIK: 0000875045 (see all company filings)

IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)

Mailing Address C/O BIOGEN IDEC INC. 14 CAMBRIDGE CENTER CAMBRIDGE MA 02142

Business Address

ALEXANDER SUSAN H (Reporting) CIK: 0001263839 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19311 | Film No.: 24617049