# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000875045-21-000028
Filing Date
2021-04-22
Accepted
2021-04-22 16:14:39
Documents
114
Period of Report
2021-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | biib-20210331.htm iXBRL | 10-Q | 2483015
2 | EX-10.1 | biib-2021331xex101.htm | EX-10.1 | 531825
3 | EX-31.1 | biib-2021331xex311.htm | EX-31.1 | 10911
4 | EX-31.2 | biib-2021331xex312.htm | EX-31.2 | 10586
5 | EX-32.1 | biib-2021331xex321.htm | EX-32.1 | 8522
11 |  | biib-20210331_g1.jpg | GRAPHIC | 62626
12 |  | biib-20210331_g10.jpg | GRAPHIC | 44250
13 |  | biib-20210331_g11.jpg | GRAPHIC | 66148
14 |  | biib-20210331_g12.jpg | GRAPHIC | 105358
15 |  | biib-20210331_g13.jpg | GRAPHIC | 35136
16 |  | biib-20210331_g14.jpg | GRAPHIC | 34908
17 |  | biib-20210331_g15.jpg | GRAPHIC | 34335
18 |  | biib-20210331_g16.jpg | GRAPHIC | 35747
19 |  | biib-20210331_g17.jpg | GRAPHIC | 32660
20 |  | biib-20210331_g18.jpg | GRAPHIC | 34528
21 |  | biib-20210331_g19.jpg | GRAPHIC | 57680
22 |  | biib-20210331_g2.jpg | GRAPHIC | 52903
23 |  | biib-20210331_g20.jpg | GRAPHIC | 33133
24 |  | biib-20210331_g3.jpg | GRAPHIC | 50163
25 |  | biib-20210331_g4.jpg | GRAPHIC | 50343
26 |  | biib-20210331_g5.jpg | GRAPHIC | 49261
27 |  | biib-20210331_g6.jpg | GRAPHIC | 53475
28 |  | biib-20210331_g7.jpg | GRAPHIC | 68243
29 |  | biib-20210331_g8.jpg | GRAPHIC | 52249
30 |  | biib-20210331_g9.jpg | GRAPHIC | 57407
| Complete submission text file | 0000875045-21-000028.txt |  | 14622974

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20210331.xsd | EX-101.SCH | 77452
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20210331_cal.xml | EX-101.CAL | 108611
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20210331_def.xml | EX-101.DEF | 479867
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20210331_lab.xml | EX-101.LAB | 886787
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20210331_pre.xml | EX-101.PRE | 618416
31 | EXTRACTED XBRL INSTANCE DOCUMENT | biib-20210331_htm.xml | XML | 2240238

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.: 21844953
SIC: 2836 Biological Products, (No Diagnostic Substances)