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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-21-044891
Filing Date
2021-02-16
Accepted
2021-02-16 16:15:02
Documents
17
Period of Report
2021-02-16
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d124092d8k.htm   iXBRL 8-K 34736
2 EX-4.2 d124092dex42.htm EX-4.2 172215
3 EX-4.3 d124092dex43.htm EX-4.3 44446
4 EX-4.4 d124092dex44.htm EX-4.4 43528
5 EX-4.5 d124092dex45.htm EX-4.5 98972
9 GRAPHIC g124092g0204053553390.jpg GRAPHIC 1674
  Complete submission text file 0001193125-21-044891.txt   614142

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA biib-20210216.xsd EX-101.SCH 3075
7 XBRL TAXONOMY EXTENSION LABEL LINKBASE biib-20210216_lab.xml EX-101.LAB 17373
8 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE biib-20210216_pre.xml EX-101.PRE 10956
10 EXTRACTED XBRL INSTANCE DOCUMENT d124092d8k_htm.xml XML 3210
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)

IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 000-19311 | Film No.: 21638593
SIC: 2836 Biological Products, (No Diagnostic Substances)