BIOGEN INC. — 8-K Filings
282 8-K filings on record
This page lists all 8-K 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 282 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0000875045-16-000047 | Apr 21, 2016 | — |
| 8-K | 8-K | 0000875045-16-000039 | Jan 27, 2016 | — |
| 8-K | 8-K | 0000875045-15-000032 | Oct 21, 2015 | — |
| 8-K | 8-K | 0001193125-15-320650 | Sep 16, 2015 | Sep 15, 2015 |
| 8-K | FORM 8-K | 0001193125-15-318624 | Sep 14, 2015 | Sep 10, 2015 |
| 8-K | 8-K | 0000875045-15-000028 | Sep 1, 2015 | Aug 28, 2015 |
| 8-K | 8-K | 0000875045-15-000022 | Jul 24, 2015 | — |
| 8-K | 8-K | 0000875045-15-000017 | Jun 11, 2015 | — |
| 8-K | 8-K | 0000875045-15-000012 | Apr 24, 2015 | Apr 23, 2015 |
| 8-K | 8-K | 0000875045-15-000008 | Mar 27, 2015 | — |
| 8-K | 8-K | 0000875045-15-000002 | Jan 29, 2015 | — |
| 8-K | 8-K | 0000875045-14-000020 | Oct 22, 2014 | — |
| 8-K | 8-K | 0000875045-14-000014 | Jul 23, 2014 | — |
| 8-K | 8-K | 0000875045-14-000013 | Jun 13, 2014 | Jun 12, 2014 |
| 8-K | 8-K | 0000875045-14-000009 | Apr 23, 2014 | — |
| 8-K | 8-K | 0000875045-14-000006 | Feb 18, 2014 | Feb 12, 2014 |
| 8-K | 8-K | 0000875045-14-000002 | Jan 29, 2014 | — |
| 8-K | 8-K | 0000875045-13-000032 | Oct 28, 2013 | — |
| 8-K | 8-K | 0000875045-13-000029 | Aug 26, 2013 | Aug 23, 2013 |
| 8-K | 8-K | 0000875045-13-000025 | Jul 25, 2013 | — |
| 8-K | 8-K | 0000875045-13-000022 | Jun 14, 2013 | Jun 12, 2013 |
| 8-K | 8-K | 0000875045-13-000020 | May 30, 2013 | — |
| 8-K | 8-K | 0000875045-13-000016 | Apr 25, 2013 | — |
| 8-K | 8-K | 0000875045-13-000014 | Apr 2, 2013 | — |
| 8-K | 8-K | 0000875045-13-000012 | Mar 14, 2013 | — |
| 8-K | 8-K | 0000875045-13-000008 | Feb 6, 2013 | Feb 5, 2013 |
| 8-K | 8-K | 0000875045-13-000003 | Jan 28, 2013 | — |
| 8-K | FORM 8-K | 0001193125-12-434377 | Oct 25, 2012 | — |
| 8-K | 8-K | 0000875045-12-000006 | Oct 9, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-311263 | Jul 24, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-269442 | Jun 13, 2012 | Jun 7, 2012 |
| 8-K | FORM 8-K | 0001193125-12-198370 | May 1, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-094708 | Mar 2, 2012 | Feb 27, 2012 |
| 8-K | FORM 8-K | 0001193125-12-030759 | Jan 31, 2012 | — |
| 8-K | FORM 8-K | 0001193125-11-345698 | Dec 19, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-102972 | Dec 14, 2011 | Dec 13, 2011 |
| 8-K | FORM 8-K | 0000950123-11-100947 | Nov 29, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-092705 | Oct 28, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-087516 | Sep 29, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-068088 | Jul 26, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-061594 | Jun 24, 2011 | Jun 23, 2011 |
| 8-K | FORM 8-K | 0000950123-11-061038 | Jun 23, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-057276 | Jun 7, 2011 | Jun 1, 2011 |
| 8-K | FORM 8-K | 0000950123-11-037503 | Apr 21, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-020625 | Mar 1, 2011 | Feb 28, 2011 |
| 8-K | FORM 8-K | 0000950123-11-012754 | Feb 11, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-007643 | Feb 1, 2011 | — |
| 8-K | FORM 8-K | 0000950123-11-004307 | Jan 21, 2011 | — |
| 8-K | FORM 8-K | 0000950123-10-099782 | Nov 3, 2010 | Oct 28, 2010 |
| 8-K | FORM 8-K | 0000950123-10-095892 | Oct 26, 2010 | — |