BIOGEN INC. — SC 13G/A Filings
117 SC 13G/A filings on record
This page lists all SC 13G/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 117 SC 13G/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 |
|---|---|---|---|---|
| SC 13G/A | SC 13G/A | 0001422848-12-000152 | Feb 14, 2012 | — |
| SC 13G/A | BIOGEN | 0000357235-12-000070 | Feb 14, 2012 | — |
| SC 13G/A | SCHEDULE 13G | 0001193125-12-056164 | Feb 13, 2012 | — |
| SC 13G/A | — | 0001086364-12-001262 | Feb 13, 2012 | — |
| SC 13G/A | SCHEDULE 13G | 0001193125-12-056136 | Feb 13, 2012 | — |
| SC 13G/A | SC 13G/A | 0001104659-12-009160 | Feb 13, 2012 | — |
| SC 13G/A | — | 0000932471-12-000836 | Jan 27, 2012 | — |
| SC 13G/A | SC 13G/A | 0001104659-11-060526 | Nov 3, 2011 | — |
| SC 13G/A | SC 13G/A | 0001104659-11-007188 | Feb 14, 2011 | — |
| SC 13G/A | DOC ONE | 0000315066-11-002302 | Feb 14, 2011 | — |
| SC 13G/A | — | 0000357235-11-000062 | Feb 11, 2011 | — |
| SC 13G/A | — | 0000769993-11-000224 | Feb 11, 2011 | — |
| SC 13G/A | — | 0001086364-11-002373 | Feb 2, 2011 | — |
| SC 13G/A | SC 13G/A | 0001104659-10-043423 | Aug 10, 2010 | — |
| SC 13G/A | DOC ONE | 0000315066-10-001465 | Feb 16, 2010 | — |
| SC 13G/A | BIIB | 0000704051-10-000076 | Feb 12, 2010 | — |
| SC 13G/A | SC 13G/A | 0001104659-10-006468 | Feb 11, 2010 | — |
| SC 13G/A | DOC ONE | 0000315066-09-001507 | Feb 17, 2009 | — |
| SC 13G/A | BIOGEN | 0000357235-09-000090 | Feb 13, 2009 | — |
| SC 13G/A | SC 13G/A | 0001104659-09-008471 | Feb 12, 2009 | — |
| SC 13G/A | — | 0000913414-09-000268 | Feb 3, 2009 | — |
| SC 13G/A | REVISED FILING | 0000932471-08-000797 | Feb 27, 2008 | — |
| SC 13G/A | SC 13G/A | 0001104659-08-010685 | Feb 14, 2008 | — |
| SC 13G/A | BIOGEN IDEC 13G | 0000932471-08-000536 | Feb 14, 2008 | — |
| SC 13G/A | BIOGEN IDEC | 0000357235-08-000118 | Feb 14, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-08-001357 | Feb 14, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-07-001534 | Feb 14, 2007 | — |
| SC 13G/A | SC 13G/A | 0001104659-07-011163 | Feb 14, 2007 | — |
| SC 13G/A | AMENDMENT 3 | 0000932471-07-000476 | Feb 14, 2007 | — |
| SC 13G/A | SC 13G/A | 0000017283-07-000452 | Feb 12, 2007 | — |
| SC 13G/A | BIOGEN IDEC | 0000357235-07-000027 | Feb 6, 2007 | — |
| SC 13G/A | DOC ONE | 0000315066-06-005499 | Dec 11, 2006 | — |
| SC 13G/A | AMENDMENT | 0001104659-06-066073 | Oct 11, 2006 | — |
| SC 13G/A | AMENDMENT | 0001104659-06-009377 | Feb 14, 2006 | — |
| SC 13G/A | DOC ONE | 0000315066-06-002346 | Feb 14, 2006 | — |
| SC 13G/A | — | 0000932471-06-000335 | Feb 13, 2006 | — |
| SC 13G/A | SC 13G/A | 0000017283-06-000103 | Feb 10, 2006 | — |
| SC 13G/A | AMENDMENT | 0001104659-05-053592 | Nov 8, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-014092 | Mar 31, 2005 | — |
| SC 13G/A | — | 0000932471-05-000380 | Feb 14, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-010766 | Apr 21, 2004 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-007247 | Mar 12, 2004 | — |
| SC 13G/A | DOC ONE | 0000315066-04-000383 | Feb 17, 2004 | — |
| SC 13G/A | DOC ONE | 0000902219-04-000604 | Feb 12, 2004 | — |
| SC 13G/A | DOC ONE | 0000315066-03-002294 | May 12, 2003 | — |
| SC 13G/A | GET OUT - GRANDFATHERED - MS | 0000895421-03-000021 | Feb 13, 2003 | — |
| SC 13G/A | DOC ONE | 0000315066-03-001641 | Feb 13, 2003 | — |
| SC 13G/A | DOC ONE | 0000315066-02-002022 | Jul 10, 2002 | — |
| SC 13G/A | DOC ONE | 0000315066-02-000709 | Feb 14, 2002 | — |
| SC 13G/A | AMENDMENT FILING | 0000895421-02-000075 | Feb 12, 2002 | — |