# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000875045-21-000005
Filing Date
2021-02-03
Accepted
2021-02-03 07:04:08
Documents
16
Period of Report
2021-02-03
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | biib-20210203.htm iXBRL | 8-K | 31399
2 | EX-99.1 | exhibit991-q42020pressrele.htm | EX-99.1 | 411192
8 |  | biogenlogostandarda291.jpg | GRAPHIC | 756402
| Complete submission text file | 0000875045-21-000005.txt |  | 1641461

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
3 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20210203.xsd | EX-101.SCH | 2443
4 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20210203_cal.xml | EX-101.CAL | 726
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20210203_def.xml | EX-101.DEF | 1663
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20210203_lab.xml | EX-101.LAB | 24275
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20210203_pre.xml | EX-101.PRE | 12662
9 | EXTRACTED XBRL INSTANCE DOCUMENT | biib-20210203_htm.xml | XML | 11365

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: 8-K | Act: 34 | File No.: 000-19311 | Film No.: 21584186
SIC: 2836 Biological Products, (No Diagnostic Substances)