# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000875045-16-000042
Filing Date
2016-02-03
Accepted
2016-02-03 16:25:52
Documents
187
Period of Report
2015-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | biib-20151231x10k.htm | 10-K | 3949919
2 | EXHIBIT 10.23 | biib-20151231xex1023.htm | EX-10.23 | 390524
3 | EXHIBIT 10.24 | biib-20151231xex1024.htm | EX-10.24 | 261538
4 | EXHIBIT 10.37 | biib-20151231xex1037.htm | EX-10.37 | 72684
5 | EXHIBIT 10.41 | biib-20151231xex1041.htm | EX-10.41 | 12977
6 | EXHIBIT 10.42 | biib-20151231xex1042.htm | EX-10.42 | 140658
7 | EXHIBIT 21 | biib-20151231xex21.htm | EX-21 | 57104
8 | EXHIBIT 23 | biib-20151231xex23.htm | EX-23 | 2851
9 | EXHIBIT 31.1 | biib-20151231xex311.htm | EX-31.1 | 13911
10 | EXHIBIT 31.2 | biib-20151231xex312.htm | EX-31.2 | 14260
11 | EXHIBIT 32.1 | biib-20151231xex321.htm | EX-32.1 | 6620
18 |  | alprolix.jpg | GRAPHIC | 8849
19 |  | alprolixchart.jpg | GRAPHIC | 30626
20 |  | amortizationchart.jpg | GRAPHIC | 20497
21 |  | avonex.jpg | GRAPHIC | 5670
22 |  | avonexchart.jpg | GRAPHIC | 38126
23 |  | biogenlogostandard.jpg | GRAPHIC | 95885
24 |  | blooddrop.jpg | GRAPHIC | 640450
25 |  | collabprofitsharingchart.jpg | GRAPHIC | 17207
26 |  | costofsaleschart.jpg | GRAPHIC | 32767
27 |  | eloctate.jpg | GRAPHIC | 10055
28 |  | eloctatechart.jpg | GRAPHIC | 28076
29 |  | environsustainability.jpg | GRAPHIC | 24959
30 |  | equitinlossofinvesteechart.jpg | GRAPHIC | 21720
31 |  | fampyra.jpg | GRAPHIC | 2031
32 |  | financialhighlightschart.jpg | GRAPHIC | 39287
33 |  | fumaderm.jpg | GRAPHIC | 3140
34 |  | gainlossfairvaluechart.jpg | GRAPHIC | 18732
35 |  | gazyva.jpg | GRAPHIC | 21759
36 |  | geographicsaleschart.jpg | GRAPHIC | 30210
37 |  | incometaxchart.jpg | GRAPHIC | 34948
38 |  | noncontrollinginterestchart.jpg | GRAPHIC | 18306
39 |  | otherincomeexpensechart.jpg | GRAPHIC | 19955
40 |  | otherrevenueschart.jpg | GRAPHIC | 32452
41 |  | plegridy.jpg | GRAPHIC | 5127
42 |  | plegridychart.jpg | GRAPHIC | 29214
43 |  | principalproductschart.jpg | GRAPHIC | 61249
44 |  | rdpiechart2013.jpg | GRAPHIC | 36313
45 |  | rdpiechart2014.jpg | GRAPHIC | 36389
46 |  | rdpiechart2015.jpg | GRAPHIC | 37005
47 |  | researchanddevelopment.jpg | GRAPHIC | 20471
48 |  | researchanddevelopmentchart.jpg | GRAPHIC | 71053
49 |  | reserveschart.jpg | GRAPHIC | 46965
50 |  | restructuringchargeschart.jpg | GRAPHIC | 17093
51 |  | rituxan.jpg | GRAPHIC | 9985
52 |  | sellinggeneraladminchart.jpg | GRAPHIC | 20842
53 |  | stockperformancechart.jpg | GRAPHIC | 61653
54 |  | tecfidera.jpg | GRAPHIC | 7384
55 |  | tecfiderachart.jpg | GRAPHIC | 35765
56 |  | tysabri.jpg | GRAPHIC | 6359
57 |  | tysabrichart.jpg | GRAPHIC | 36917
58 |  | unconsoljointbusinesschart.jpg | GRAPHIC | 49111
| Complete submission text file | 0000875045-16-000042.txt |  | 23369845

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
12 | XBRL INSTANCE DOCUMENT | biib-20151231.xml | EX-101.INS | 4829683
13 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20151231.xsd | EX-101.SCH | 129387
14 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20151231_cal.xml | EX-101.CAL | 147061
15 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20151231_def.xml | EX-101.DEF | 629117
16 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20151231_lab.xml | EX-101.LAB | 1583410
17 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20151231_pre.xml | EX-101.PRE | 980484

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.: 161385193
SIC: 2836 Biological Products, (No Diagnostic Substances)