Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-24-118313
Filing Date
2024-04-26
Accepted
2024-04-26 17:01:24
Documents
65
Period of Report
2024-06-20

Document Format Files

Seq Description Document Type Size
1 DEF 14A d547371ddef14a.htm   iXBRL DEF 14A 2059972
6 GRAPHIC g547371g00a07.jpg GRAPHIC 22052
7 GRAPHIC g547371g00a11.jpg GRAPHIC 27166
8 GRAPHIC g547371g00b07.jpg GRAPHIC 21381
9 GRAPHIC g547371g00k01.jpg GRAPHIC 55443
10 GRAPHIC g547371g00k02.jpg GRAPHIC 48868
11 GRAPHIC g547371g00k03.jpg GRAPHIC 53137
12 GRAPHIC g547371g00k04.jpg GRAPHIC 58252
13 GRAPHIC g547371g00s01.jpg GRAPHIC 610051
14 GRAPHIC g547371g00s02.jpg GRAPHIC 50879
15 GRAPHIC g547371g00s03.jpg GRAPHIC 608869
16 GRAPHIC g547371g00s04.jpg GRAPHIC 52808
17 GRAPHIC g547371g00s05.jpg GRAPHIC 50875
18 GRAPHIC g547371g00s07.jpg GRAPHIC 47548
19 GRAPHIC g547371g00s08.jpg GRAPHIC 49488
20 GRAPHIC g547371g00s09.jpg GRAPHIC 49957
21 GRAPHIC g547371g00s13.jpg GRAPHIC 594
22 GRAPHIC g547371g00s14.jpg GRAPHIC 612
23 GRAPHIC g547371g00s15.jpg GRAPHIC 618
24 GRAPHIC g547371g00s16.jpg GRAPHIC 591
25 GRAPHIC g547371g00u01.jpg GRAPHIC 172668
26 GRAPHIC g547371g00u02.jpg GRAPHIC 169862
27 GRAPHIC g547371g01a01.jpg GRAPHIC 53624
28 GRAPHIC g547371g01n32.jpg GRAPHIC 110019
29 GRAPHIC g547371g02a02.jpg GRAPHIC 36107
30 GRAPHIC g547371g07s08.jpg GRAPHIC 45607
31 GRAPHIC g547371g08a09.jpg GRAPHIC 24573
32 GRAPHIC g547371g11m11.jpg GRAPHIC 58573
33 GRAPHIC g547371g11m12.jpg GRAPHIC 83085
34 GRAPHIC g547371g11m14.jpg GRAPHIC 86816
35 GRAPHIC g547371g17a01.jpg GRAPHIC 16410
36 GRAPHIC g547371g17a02.jpg GRAPHIC 16435
37 GRAPHIC g547371g17a03.jpg GRAPHIC 18495
38 GRAPHIC g547371g17a04.jpg GRAPHIC 16878
39 GRAPHIC g547371g17a05.jpg GRAPHIC 17604
40 GRAPHIC g547371g17a06.jpg GRAPHIC 20993
41 GRAPHIC g547371g17a07.jpg GRAPHIC 19943
42 GRAPHIC g547371g17a08.jpg GRAPHIC 18440
43 GRAPHIC g547371g17a09.jpg GRAPHIC 21227
44 GRAPHIC g547371g25a01.jpg GRAPHIC 39076
45 GRAPHIC g547371g25a02.jpg GRAPHIC 37088
46 GRAPHIC g547371g25a03.jpg GRAPHIC 40591
47 GRAPHIC g547371g25a05.jpg GRAPHIC 42046
48 GRAPHIC g547371g30s11.jpg GRAPHIC 65942
49 GRAPHIC g547371g34s03.jpg GRAPHIC 67342
50 GRAPHIC g547371g41k61.jpg GRAPHIC 38185
51 GRAPHIC g547371g46a01.jpg GRAPHIC 111697
52 GRAPHIC g547371g46c03.jpg GRAPHIC 107102
53 GRAPHIC g547371g48a01.jpg GRAPHIC 25801
54 GRAPHIC g547371g53u59.jpg GRAPHIC 37638
55 GRAPHIC g547371g80k00.jpg GRAPHIC 61592
  Complete submission text file 0001193125-24-118313.txt   10682611

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA biib-20231231.xsd EX-101.SCH 4957
3 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE biib-20231231_def.xml EX-101.DEF 5126
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE biib-20231231_lab.xml EX-101.LAB 6553
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE biib-20231231_pre.xml EX-101.PRE 4274
68 EXTRACTED XBRL INSTANCE DOCUMENT d547371ddef14a_htm.xml XML 255787
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: DEF 14A | Act: 34 | File No.: 000-19311 | Film No.: 24884969
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)