BIOGEN INC. — 4 Filings
1,542 4 filings on record
This page lists all 4 filings submitted to the SEC by BIOGEN INC. (BIIB), sorted by most recent first. Each row links to the full filing on EdgarLookup. BIOGEN INC. has filed 1,542 4 documents with the SEC since 2014. To view all SEC filings by BIOGEN INC., see the full filings list.
All
10-C
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B2
424B3
424B4
425
5
8-A12B
8-A12G/A
8-B12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFC14A
DEFR14A
DFAN14A
DFRN14A
EFFECT
FWP
NO ACT
NT 10-K
NT 10-Q
POS AM
POS EX
PRE 14A
PREC14A
PRER14A
PRES14A
PRRN14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001127602-25-003957 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003962 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003954 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003955 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003956 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003958 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003959 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003960 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003961 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002817 | Feb 3, 2025 | Jan 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-028860 | Dec 9, 2024 | Dec 6, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-028861 | Dec 9, 2024 | Dec 6, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-026727 | Nov 7, 2024 | Nov 5, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-026385 | Nov 4, 2024 | Nov 1, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-023505 | Sep 5, 2024 | Aug 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019240 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019239 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019231 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019234 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019238 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019235 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019236 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019237 | Jun 25, 2024 | Jun 21, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-014199 | May 3, 2024 | May 1, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-012405 | Apr 3, 2024 | Apr 1, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-012414 | Apr 3, 2024 | Apr 2, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006947 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006215 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006216 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006212 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006217 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006213 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006214 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-006220 | Feb 21, 2024 | Feb 16, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-005922 | Feb 20, 2024 | Feb 15, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004799 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004800 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004786 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004801 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004794 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004797 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004805 | Feb 13, 2024 | Feb 9, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004304 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004305 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004306 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004307 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004308 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004309 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004310 | Feb 9, 2024 | Feb 7, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-004311 | Feb 9, 2024 | Feb 7, 2024 |