# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-23-127639
Filing Date
2023-04-28
Accepted
2023-04-28 17:20:25
Documents
76

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | d422936ddef14a.htm iXBRL | DEF 14A | 2487684
6 | GRAPHIC | g422936g00z01.jpg | GRAPHIC | 115246
7 | GRAPHIC | g422936g01a01.jpg | GRAPHIC | 53624
8 | GRAPHIC | g422936g01y13.jpg | GRAPHIC | 165437
9 | GRAPHIC | g422936g02a02.jpg | GRAPHIC | 36107
10 | GRAPHIC | g422936g07e46.jpg | GRAPHIC | 25218
11 | GRAPHIC | g422936g08a09.jpg | GRAPHIC | 24573
12 | GRAPHIC | g422936g10x21.jpg | GRAPHIC | 94505
13 | GRAPHIC | g422936g10x22.jpg | GRAPHIC | 78837
14 | GRAPHIC | g422936g11a42.jpg | GRAPHIC | 74038
15 | GRAPHIC | g422936g11b71.jpg | GRAPHIC | 13558
16 | GRAPHIC | g422936g11c72.jpg | GRAPHIC | 16201
17 | GRAPHIC | g422936g11d73.jpg | GRAPHIC | 16408
18 | GRAPHIC | g422936g11f75.jpg | GRAPHIC | 13248
19 | GRAPHIC | g422936g11g76.jpg | GRAPHIC | 13715
20 | GRAPHIC | g422936g11i78.jpg | GRAPHIC | 16385
21 | GRAPHIC | g422936g11k80.jpg | GRAPHIC | 14961
22 | GRAPHIC | g422936g11m82.jpg | GRAPHIC | 15644
23 | GRAPHIC | g422936g12a45.jpg | GRAPHIC | 1773
24 | GRAPHIC | g422936g13e03.jpg | GRAPHIC | 51556
25 | GRAPHIC | g422936g14n89.jpg | GRAPHIC | 1772
26 | GRAPHIC | g422936g15s95.jpg | GRAPHIC | 1787
27 | GRAPHIC | g422936g18a19.jpg | GRAPHIC | 39392
28 | GRAPHIC | g422936g18m46.jpg | GRAPHIC | 1765
29 | GRAPHIC | g422936g21c59.jpg | GRAPHIC | 32888
30 | GRAPHIC | g422936g22r01.jpg | GRAPHIC | 5376
31 | GRAPHIC | g422936g25a01.jpg | GRAPHIC | 39076
32 | GRAPHIC | g422936g25a02.jpg | GRAPHIC | 37088
33 | GRAPHIC | g422936g25a03.jpg | GRAPHIC | 40591
34 | GRAPHIC | g422936g25a04.jpg | GRAPHIC | 44732
35 | GRAPHIC | g422936g25a05.jpg | GRAPHIC | 42046
36 | GRAPHIC | g422936g29a55.jpg | GRAPHIC | 2680
37 | GRAPHIC | g422936g29b66.jpg | GRAPHIC | 2953
38 | GRAPHIC | g422936g30a04.jpg | GRAPHIC | 38151
39 | GRAPHIC | g422936g30a11.jpg | GRAPHIC | 53964
40 | GRAPHIC | g422936g30b22.jpg | GRAPHIC | 36717
41 | GRAPHIC | g422936g31b25.jpg | GRAPHIC | 53922
42 | GRAPHIC | g422936g32a18.jpg | GRAPHIC | 47168
43 | GRAPHIC | g422936g33a19.jpg | GRAPHIC | 54425
44 | GRAPHIC | g422936g33b24.jpg | GRAPHIC | 53494
45 | GRAPHIC | g422936g35a18.jpg | GRAPHIC | 52945
46 | GRAPHIC | g422936g35b27.jpg | GRAPHIC | 53787
47 | GRAPHIC | g422936g37r01.jpg | GRAPHIC | 184096
48 | GRAPHIC | g422936g40j10.jpg | GRAPHIC | 20854
49 | GRAPHIC | g422936g41g01.jpg | GRAPHIC | 97699
50 | GRAPHIC | g422936g41k61.jpg | GRAPHIC | 38185
51 | GRAPHIC | g422936g43r01.jpg | GRAPHIC | 251587
52 | GRAPHIC | g422936g44v87.jpg | GRAPHIC | 92556
53 | GRAPHIC | g422936g48a49.jpg | GRAPHIC | 113973
54 | GRAPHIC | g422936g49i44.jpg | GRAPHIC | 22527
55 | GRAPHIC | g422936g50a51.jpg | GRAPHIC | 68530
56 | GRAPHIC | g422936g50z09.jpg | GRAPHIC | 22387
57 | GRAPHIC | g422936g51j54.jpg | GRAPHIC | 93987
58 | GRAPHIC | g422936g52a10.jpg | GRAPHIC | 183200
59 | GRAPHIC | g422936g53a10.jpg | GRAPHIC | 170884
60 | GRAPHIC | g422936g55p66.jpg | GRAPHIC | 54278
61 | GRAPHIC | g422936g57k57.jpg | GRAPHIC | 173089
62 | GRAPHIC | g422936g59r01.jpg | GRAPHIC | 235279
63 | GRAPHIC | g422936g62r01.jpg | GRAPHIC | 145157
64 | GRAPHIC | g422936g65n91.jpg | GRAPHIC | 47871
65 | GRAPHIC | g422936g66q84.jpg | GRAPHIC | 30511
66 | GRAPHIC | g422936g69i69.jpg | GRAPHIC | 47178
67 | GRAPHIC | g422936g77n77.jpg | GRAPHIC | 25312
| Complete submission text file | 0001193125-23-127639.txt |  | 11838619

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA | biib-20221231.xsd | EX-101.SCH | 4983
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | biib-20221231_def.xml | EX-101.DEF | 5142
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | biib-20221231_lab.xml | EX-101.LAB | 6553
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | biib-20221231_pre.xml | EX-101.PRE | 4286
70 | EXTRACTED XBRL INSTANCE DOCUMENT | d422936ddef14a_htm.xml | XML | 194343

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.: 23868392
SIC: 2836 Biological Products, (No Diagnostic Substances)