BIOGEN INC. — SC 13D Filings
6 SC 13D filings on record
This page lists all SC 13D 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 6 SC 13D 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 |
|---|---|---|---|---|
| SC 13D | SC 13D | 0001193125-23-205093 | Aug 7, 2023 | — |
| SC 13D | SC 13D | 0001193125-19-074931 | Mar 14, 2019 | — |
| SC 13D | — | 0000928475-08-000305 | Aug 11, 2008 | — |
| SC 13D | BIOGEN IDEC INC. SCHEDULE 13D | 0000950135-05-003824 | Jul 12, 2005 | — |
| SC 13D | — | 0000919574-97-000271 | Mar 10, 1997 | — |
| SC 13D | SCHEDULE 13D | 0000950149-96-000659 | May 21, 1996 | — |