# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000875045-20-000005
Filing Date
2020-02-06
Accepted
2020-02-06 16:32:39
Documents
190
Period of Report
2019-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | biib-20191231x10k.htm iXBRL | 10-K | 5818481
2 | EXHIBIT 4.4 | biib-20191231xex44.htm | EX-4.4 | 129044
3 | EXHIBIT 21 | biib-20191231xex21.htm | EX-21 | 63176
4 | EXHIBIT 23 | biib-20191231xex23.htm | EX-23 | 2582
5 | EXHIBIT 31.1 | biib-20191231xex311.htm | EX-31.1 | 13966
6 | EXHIBIT 31.2 | biib-20191231xex312.htm | EX-31.2 | 14309
7 | EXHIBIT 32.1 | biib-20191231xex321.htm | EX-32.1 | 6585
13 |  | acquirediprd.jpg | GRAPHIC | 19652
14 |  | amortofacquireintang.jpg | GRAPHIC | 20166
15 |  | anticd20revenue.jpg | GRAPHIC | 46358
16 |  | avonex.jpg | GRAPHIC | 5670
17 |  | benepalia04.jpg | GRAPHIC | 629417
18 |  | biogenlogo2020a01.jpg | GRAPHIC | 12981
19 |  | biosimilarsrev.jpg | GRAPHIC | 33068
20 |  | bubbles20192.jpg | GRAPHIC | 59223
21 |  | cogs.jpg | GRAPHIC | 32717
22 |  | collaborationprofitshare.jpg | GRAPHIC | 20088
23 |  | equityinlossofinvestee.jpg | GRAPHIC | 17223
24 |  | fampyra.jpg | GRAPHIC | 2031
25 |  | finhighlights.jpg | GRAPHIC | 35555
26 |  | flixabi.jpg | GRAPHIC | 628388
27 |  | fumaderm.jpg | GRAPHIC | 3140
28 |  | fvremeasurementcc.jpg | GRAPHIC | 19677
29 |  | gazyva.jpg | GRAPHIC | 21759
30 |  | imraldi.jpg | GRAPHIC | 629442
31 |  | incometaxprovision.jpg | GRAPHIC | 35034
32 |  | interferonrev.jpg | GRAPHIC | 35937
33 |  | lossondivestitureofdenmark.jpg | GRAPHIC | 18380
34 |  | marketedproductsrev.jpg | GRAPHIC | 86887
35 |  | nci.jpg | GRAPHIC | 17897
36 |  | ocrevus.jpg | GRAPHIC | 30240
37 |  | otherincomeexpense.jpg | GRAPHIC | 18245
38 |  | otherrev.jpg | GRAPHIC | 29530
39 |  | plegridy.jpg | GRAPHIC | 5127
40 |  | researchanddev.jpg | GRAPHIC | 39169
41 |  | researchanddevelopment.jpg | GRAPHIC | 69143
42 |  | reservesdisandallow.jpg | GRAPHIC | 32711
43 |  | rituxan.jpg | GRAPHIC | 9985
44 |  | rituxanhycelalogo300x87.jpg | GRAPHIC | 9120
45 |  | sellinggeneralandadmin.jpg | GRAPHIC | 20785
46 |  | spinrazalogonewa01.jpg | GRAPHIC | 72059
47 |  | spinrazarev.jpg | GRAPHIC | 34301
48 |  | stockperfgraph.jpg | GRAPHIC | 66807
49 |  | tecfidera.jpg | GRAPHIC | 7384
50 |  | tecfiderarev.jpg | GRAPHIC | 35617
51 |  | tysabri.jpg | GRAPHIC | 6359
52 |  | tysabrirev.jpg | GRAPHIC | 36569
53 |  | vumerity-logoa03.jpg | GRAPHIC | 4657
| Complete submission text file | 0000875045-20-000005.txt |  | 33018966

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20191231.xsd | EX-101.SCH | 129843
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20191231_cal.xml | EX-101.CAL | 165403
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20191231_def.xml | EX-101.DEF | 852984
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20191231_lab.xml | EX-101.LAB | 1694809
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20191231_pre.xml | EX-101.PRE | 1196746
88 | EXTRACTED XBRL INSTANCE DOCUMENT | biib-20191231x10k_htm.xml | XML | 5597943

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-K | Act: 34 | File No.: 000-19311 | Film No.: 20583107
SIC: 2836 Biological Products, (No Diagnostic Substances)