BIOGEN INC. — 4/A Filings
61 4/A filings on record
This page lists all 4/A 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 61 4/A 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/A | FORM 4/A SUBMISSION | 0001209191-05-034400 | Jul 1, 2005 | May 5, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-053328 | Nov 17, 2004 | Nov 15, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-050288 | Nov 1, 2004 | Oct 11, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-049463 | Oct 26, 2004 | Oct 18, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-044578 | Sep 15, 2004 | Aug 2, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-043096 | Sep 2, 2004 | Aug 30, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-040324 | Aug 11, 2004 | Aug 4, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-035262 | Jul 8, 2004 | Jun 29, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-025687 | May 14, 2004 | May 4, 2004 |
| 4/A | MAIN DOCUMENT DESCRIPTION | 0001209191-04-014904 | Mar 9, 2004 | Feb 6, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001236543-04-000006 | Feb 5, 2004 | Jan 8, 2004 |