Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000875045-25-000009
Filing Date
2025-02-12
Accepted
2025-02-12 17:28:51
Documents
215
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K biib-20241231.htm   iXBRL 10-K 4345645
2 EX-10.14 exhibit1014-voluntaryboard.htm EX-10.14 129086
3 EX-10.15 exhibit1015-supplementalsa.htm EX-10.15 221822
4 EX-19.1 exhibit191-insidertradinga.htm EX-19.1 144199
5 EX-21 biib-20241231xex21.htm EX-21 52291
6 EX-23 biib-20241231xex23.htm EX-23 2724
7 EX-31.1 biib-20241231xex311.htm EX-31.1 10946
8 EX-31.2 biib-20241231xex312.htm EX-31.2 10695
9 EX-32.1 biib-20241231xex321.htm EX-32.1 8872
15 biib-20241231_g1.jpg GRAPHIC 14533
16 biib-20241231_g10.jpg GRAPHIC 22513
17 biib-20241231_g11.jpg GRAPHIC 17062
18 biib-20241231_g12.jpg GRAPHIC 15572
19 biib-20241231_g13.jpg GRAPHIC 12986
20 biib-20241231_g14.jpg GRAPHIC 13199
21 biib-20241231_g15.jpg GRAPHIC 12208
22 biib-20241231_g16.jpg GRAPHIC 18739
23 biib-20241231_g17.jpg GRAPHIC 6327
24 biib-20241231_g18.jpg GRAPHIC 10352
25 biib-20241231_g19.jpg GRAPHIC 10791
26 biib-20241231_g2.jpg GRAPHIC 166288
27 biib-20241231_g20.jpg GRAPHIC 23004
28 biib-20241231_g21.jpg GRAPHIC 27865
29 biib-20241231_g22.jpg GRAPHIC 11887
30 biib-20241231_g23.jpg GRAPHIC 15675
31 biib-20241231_g24.jpg GRAPHIC 2905
32 biib-20241231_g25.jpg GRAPHIC 118537
33 biib-20241231_g26.jpg GRAPHIC 16280
34 biib-20241231_g27.jpg GRAPHIC 12751
35 biib-20241231_g28.jpg GRAPHIC 16412
36 biib-20241231_g29.jpg GRAPHIC 15694
37 biib-20241231_g3.jpg GRAPHIC 11034
38 biib-20241231_g30.jpg GRAPHIC 54385
39 biib-20241231_g31.jpg GRAPHIC 86877
40 biib-20241231_g32.jpg GRAPHIC 82077
41 biib-20241231_g33.jpg GRAPHIC 124891
42 biib-20241231_g4.jpg GRAPHIC 12294
43 biib-20241231_g5.jpg GRAPHIC 8296
44 biib-20241231_g6.jpg GRAPHIC 9588
45 biib-20241231_g7.jpg GRAPHIC 8254
46 biib-20241231_g8.jpg GRAPHIC 25230
47 biib-20241231_g9.jpg GRAPHIC 73467
48 image_0.jpg GRAPHIC 141
  Complete submission text file 0000875045-25-000009.txt   26577496

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT biib-20241231.xsd EX-101.SCH 159851
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT biib-20241231_cal.xml EX-101.CAL 162414
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT biib-20241231_def.xml EX-101.DEF 1084005
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT biib-20241231_lab.xml EX-101.LAB 1559987
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT biib-20241231_pre.xml EX-101.PRE 1458165
218 EXTRACTED XBRL INSTANCE DOCUMENT biib-20241231_htm.xml XML 4002276
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.: 25616203
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)