Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | biib-20181231x10k.htm | 10-K | 4462073 |
| 2 | EXHIBIT 10.31 | biib-20181231xex1031.htm | EX-10.31 | 16202 |
| 3 | EXHIBIT 21 | biib-20181231xex21.htm | EX-21 | 59445 |
| 4 | EXHIBIT 23 | biib-20181231xex23.htm | EX-23 | 2571 |
| 5 | EXHIBIT 31.1 | biib-20181231xex311.htm | EX-31.1 | 13955 |
| 6 | EXHIBIT 31.2 | biib-20181231xex312.htm | EX-31.2 | 14298 |
| 7 | EXHIBIT 32.1 | biib-20181231xex321.htm | EX-32.1 | 6574 |
| 14 | acquirediprd.jpg | GRAPHIC | 19405 | |
| 15 | amortizationofintang.jpg | GRAPHIC | 19990 | |
| 16 | anticd20.jpg | GRAPHIC | 45497 | |
| 17 | avonex.jpg | GRAPHIC | 5670 | |
| 18 | benepalia04.jpg | GRAPHIC | 629417 | |
| 19 | biogenbubbles.jpg | GRAPHIC | 79712 | |
| 20 | biogenlogoa04.jpg | GRAPHIC | 62626 | |
| 21 | biosimilarrev.jpg | GRAPHIC | 29149 | |
| 22 | collabprofitshare.jpg | GRAPHIC | 18998 | |
| 23 | costofsales2018.jpg | GRAPHIC | 31949 | |
| 24 | fampyra.jpg | GRAPHIC | 2031 | |
| 25 | financialhighlights18.jpg | GRAPHIC | 36059 | |
| 26 | flixabi.jpg | GRAPHIC | 628388 | |
| 27 | fumaderm.jpg | GRAPHIC | 3140 | |
| 28 | gainlossonfvremeasurement.jpg | GRAPHIC | 18740 | |
| 29 | gazyva.jpg | GRAPHIC | 21759 | |
| 30 | imraldi.jpg | GRAPHIC | 629442 | |
| 31 | interferonrev.jpg | GRAPHIC | 36438 | |
| 32 | marketedproducts18.jpg | GRAPHIC | 84408 | |
| 33 | nci2018.jpg | GRAPHIC | 18832 | |
| 34 | ocrevus.jpg | GRAPHIC | 30240 | |
| 35 | otherincomeexpnet.jpg | GRAPHIC | 19200 | |
| 36 | performancegraph.jpg | GRAPHIC | 75082 | |
| 37 | plegridy.jpg | GRAPHIC | 5127 | |
| 38 | rdpercentofrev.jpg | GRAPHIC | 38455 | |
| 39 | researchanddev.jpg | GRAPHIC | 68930 | |
| 40 | reserves.jpg | GRAPHIC | 33122 | |
| 41 | restructuring2018.jpg | GRAPHIC | 18638 | |
| 42 | rituxan.jpg | GRAPHIC | 9985 | |
| 43 | rituxanhycelalogo300x87.jpg | GRAPHIC | 9120 | |
| 44 | royaltyandcorprev.jpg | GRAPHIC | 29701 | |
| 45 | sellinggeneralandadmin.jpg | GRAPHIC | 20754 | |
| 46 | spinrazalogonewa01.jpg | GRAPHIC | 72059 | |
| 47 | spinrazarev.jpg | GRAPHIC | 28566 | |
| 48 | taxexpense.jpg | GRAPHIC | 35587 | |
| 49 | tecfidera.jpg | GRAPHIC | 7384 | |
| 50 | tecfiderarev.jpg | GRAPHIC | 35548 | |
| 51 | teclitigation.jpg | GRAPHIC | 17899 | |
| 52 | tysabri.jpg | GRAPHIC | 6359 | |
| 53 | tysabrirev.jpg | GRAPHIC | 36720 | |
| 54 | zinbrytarev.jpg | GRAPHIC | 22455 | |
| Complete submission text file | 0000875045-19-000006.txt | 27080903 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 8 | XBRL INSTANCE DOCUMENT | biib-20181231.xml | EX-101.INS | 5624077 |
| 9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20181231.xsd | EX-101.SCH | 128511 |
| 10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20181231_cal.xml | EX-101.CAL | 157367 |
| 11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20181231_def.xml | EX-101.DEF | 793241 |
| 12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20181231_lab.xml | EX-101.LAB | 1621427 |
| 13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20181231_pre.xml | EX-101.PRE | 1138808 |
IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-19311 | Film No.: 19572382
SIC: 2836 Biological Products, (No Diagnostic Substances)
