# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-22-130209
Filing Date
2022-04-29
Accepted
2022-04-29 07:32:07
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | d295794ddefa14a.htm | DEFA14A | 11075
2 | GRAPHIC | g295794g24s24.jpg | GRAPHIC | 330683
3 | GRAPHIC | g295794g25s25.jpg | GRAPHIC | 272934
| Complete submission text file | 0001193125-22-130209.txt |  | 843988

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: DEFA14A | Act: 34 | File No.: 000-19311 | Film No.: 22870179
SIC: 2836 Biological Products, (No Diagnostic Substances)