Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-25-097747
Filing Date
2025-04-28
Accepted
2025-04-25 21:38:16
Documents
61
Period of Report
2025-06-17

Document Format Files

Seq Description Document Type Size
1 DEF 14A d916837ddef14a.htm   iXBRL DEF 14A 1711400
6 GRAPHIC g916837dsp001.jpg GRAPHIC 136160
7 GRAPHIC g916837dsp002.jpg GRAPHIC 143644
8 GRAPHIC g916837g00a11.jpg GRAPHIC 27166
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20 GRAPHIC g916837g00s16.jpg GRAPHIC 591
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22 GRAPHIC g916837g02a02.jpg GRAPHIC 36107
23 GRAPHIC g916837g06t01.jpg GRAPHIC 41001
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25 GRAPHIC g916837g07s08.jpg GRAPHIC 45607
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50 GRAPHIC g916837g88h88.jpg GRAPHIC 43183
  Complete submission text file 0001193125-25-097747.txt   8981191

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA biib-20241231.xsd EX-101.SCH 3508
3 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE biib-20241231_def.xml EX-101.DEF 2579
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE biib-20241231_lab.xml EX-101.LAB 2668
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE biib-20241231_pre.xml EX-101.PRE 1680
63 EXTRACTED XBRL INSTANCE DOCUMENT d916837ddef14a_htm.xml XML 281284
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Filer) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-19311 | Film No.: 25875782
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)