# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000875045-24-000016
Filing Date
2024-04-24
Accepted
2024-04-24 16:15:22
Documents
128
Period of Report
2024-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | biib-20240331.htm iXBRL | 10-Q | 2094568
2 | EX-31.1 | biib-2024331xex311.htm | EX-31.1 | 10821
3 | EX-31.2 | biib-2024331xex312.htm | EX-31.2 | 10421
4 | EX-32.1 | biib-2024331xex321.htm | EX-32.1 | 8484
10 |  | biib-20240331_g1.jpg | GRAPHIC | 62626
11 |  | biib-20240331_g2.jpg | GRAPHIC | 13585
12 |  | biib-20240331_g3.jpg | GRAPHIC | 10352
13 |  | biib-20240331_g4.jpg | GRAPHIC | 15549
14 |  | biib-20240331_g5.jpg | GRAPHIC | 15520
15 |  | biib-20240331_g6.jpg | GRAPHIC | 44877
16 |  | biib-20240331_g7.jpg | GRAPHIC | 82327
17 |  | biib-20240331_g8.jpg | GRAPHIC | 49771
18 |  | biib-20240331_g9.jpg | GRAPHIC | 103845
| Complete submission text file | 0000875045-24-000016.txt |  | 12908836

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20240331.xsd | EX-101.SCH | 94420
6 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20240331_cal.xml | EX-101.CAL | 86060
7 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20240331_def.xml | EX-101.DEF | 619115
8 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20240331_lab.xml | EX-101.LAB | 920291
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20240331_pre.xml | EX-101.PRE | 800253
132 | EXTRACTED XBRL INSTANCE DOCUMENT | biib-20240331_htm.xml | XML | 1950302

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: 10-Q | Act: 34 | File No.: 000-19311 | Film No.: 24870758
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)