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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-23-198542
Filing Date
2023-07-31
Accepted
2023-07-31 07:00:30
Documents
17
Period of Report
2023-07-28
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K d454539d8k.htm   iXBRL 8-K 58193
2 EX-2.1 d454539dex21.htm EX-2.1 470945
3 EX-3.1 d454539dex31.htm EX-3.1 218778
4 EX-10.1 d454539dex101.htm EX-10.1 85221
5 EX-10.2 d454539dex102.htm EX-10.2 75519
6 EX-10.3 d454539dex103.htm EX-10.3 107181
  Complete submission text file 0001193125-23-198542.txt   1377472

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA biib-20230728.xsd EX-101.SCH 2860
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE biib-20230728_lab.xml EX-101.LAB 17981
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE biib-20230728_pre.xml EX-101.PRE 11265
11 EXTRACTED XBRL INSTANCE DOCUMENT d454539d8k_htm.xml XML 3410
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.: 231125017
SIC: 2836 Biological Products, (No Diagnostic Substances)