# Filing Detail

Form PRE 14A - Other preliminary proxy statements:
SEC Accession No. 0001193125-21-111653
Filing Date
2021-04-09
Accepted
2021-04-09 16:41:10
Documents
62
Period of Report
2021-06-02

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | PRE 14A | d602779dpre14a.htm | PRE 14A | 1873818
2 | GRAPHIC | g602779g01y13.jpg | GRAPHIC | 165673
3 | GRAPHIC | g602779g05t39.jpg | GRAPHIC | 49325
4 | GRAPHIC | g602779g07e46.jpg | GRAPHIC | 25218
5 | GRAPHIC | g602779g07x51.jpg | GRAPHIC | 16115
6 | GRAPHIC | g602779g09v09.jpg | GRAPHIC | 41077
7 | GRAPHIC | g602779g10c40.jpg | GRAPHIC | 13622
8 | GRAPHIC | g602779g11b71.jpg | GRAPHIC | 13558
9 | GRAPHIC | g602779g11c72.jpg | GRAPHIC | 16201
10 | GRAPHIC | g602779g11d73.jpg | GRAPHIC | 16408
11 | GRAPHIC | g602779g11e74.jpg | GRAPHIC | 13539
12 | GRAPHIC | g602779g11f75.jpg | GRAPHIC | 13248
13 | GRAPHIC | g602779g11g76.jpg | GRAPHIC | 13715
14 | GRAPHIC | g602779g11i78.jpg | GRAPHIC | 16385
15 | GRAPHIC | g602779g11j79.jpg | GRAPHIC | 17847
16 | GRAPHIC | g602779g11k11.jpg | GRAPHIC | 14988
17 | GRAPHIC | g602779g11k67.jpg | GRAPHIC | 72921
18 | GRAPHIC | g602779g11k80.jpg | GRAPHIC | 14961
19 | GRAPHIC | g602779g11m82.jpg | GRAPHIC | 15644
20 | GRAPHIC | g602779g11n83.jpg | GRAPHIC | 15283
21 | GRAPHIC | g602779g12a45.jpg | GRAPHIC | 1773
22 | GRAPHIC | g602779g14n89.jpg | GRAPHIC | 1772
23 | GRAPHIC | g602779g15s95.jpg | GRAPHIC | 1787
24 | GRAPHIC | g602779g18m46.jpg | GRAPHIC | 1765
25 | GRAPHIC | g602779g21c59.jpg | GRAPHIC | 32888
26 | GRAPHIC | g602779g29a55.jpg | GRAPHIC | 2680
27 | GRAPHIC | g602779g29b66.jpg | GRAPHIC | 2953
28 | GRAPHIC | g602779g29q54.jpg | GRAPHIC | 18417
29 | GRAPHIC | g602779g30a11.jpg | GRAPHIC | 53964
30 | GRAPHIC | g602779g30b22.jpg | GRAPHIC | 36717
31 | GRAPHIC | g602779g31a14.jpg | GRAPHIC | 36419
32 | GRAPHIC | g602779g31b25.jpg | GRAPHIC | 53922
33 | GRAPHIC | g602779g32a18.jpg | GRAPHIC | 47168
34 | GRAPHIC | g602779g32b25.jpg | GRAPHIC | 56492
35 | GRAPHIC | g602779g33a19.jpg | GRAPHIC | 54425
36 | GRAPHIC | g602779g33b24.jpg | GRAPHIC | 53494
37 | GRAPHIC | g602779g34a12.jpg | GRAPHIC | 54777
38 | GRAPHIC | g602779g34b23.jpg | GRAPHIC | 54733
39 | GRAPHIC | g602779g35a18.jpg | GRAPHIC | 52945
40 | GRAPHIC | g602779g35b27.jpg | GRAPHIC | 53787
41 | GRAPHIC | g602779g36a11.jpg | GRAPHIC | 54175
42 | GRAPHIC | g602779g38n87.jpg | GRAPHIC | 207517
43 | GRAPHIC | g602779g40j10.jpg | GRAPHIC | 20854
44 | GRAPHIC | g602779g41k61.jpg | GRAPHIC | 38185
45 | GRAPHIC | g602779g44v87.jpg | GRAPHIC | 92556
46 | GRAPHIC | g602779g46j74.jpg | GRAPHIC | 58796
47 | GRAPHIC | g602779g48a10.jpg | GRAPHIC | 44196
48 | GRAPHIC | g602779g48c30.jpg | GRAPHIC | 45619
49 | GRAPHIC | g602779g48d40.jpg | GRAPHIC | 47610
50 | GRAPHIC | g602779g48e50.jpg | GRAPHIC | 45904
51 | GRAPHIC | g602779g49i44.jpg | GRAPHIC | 22527
52 | GRAPHIC | g602779g50k68.jpg | GRAPHIC | 55863
53 | GRAPHIC | g602779g50z09.jpg | GRAPHIC | 22387
54 | GRAPHIC | g602779g53q90.jpg | GRAPHIC | 52216
55 | GRAPHIC | g602779g54h71.jpg | GRAPHIC | 43987
56 | GRAPHIC | g602779g57l61.jpg | GRAPHIC | 166301
57 | GRAPHIC | g602779g61n19.jpg | GRAPHIC | 63522
58 | GRAPHIC | g602779g64t02.jpg | GRAPHIC | 63175
59 | GRAPHIC | g602779g66q84.jpg | GRAPHIC | 47187
60 | GRAPHIC | g602779g70b55.jpg | GRAPHIC | 45843
61 | GRAPHIC | g602779g77n77.jpg | GRAPHIC | 25312
62 | GRAPHIC | g602779g98j05.jpg | GRAPHIC | 26861
| Complete submission text file | 0001193125-21-111653.txt |  | 5283607

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: PRE 14A | Act: 34 | File No.: 000-19311 | Film No.: 21818286
SIC: 2836 Biological Products, (No Diagnostic Substances)