$BIIB
Market Cap:
$BIIB SEC Filings
| Filing | Filed On |
|---|---|
| SC 13D/A | 28 Sep 2023 |
| SC 13D/A | 22 Jun 2011 |
| SC 13D/A | 23 May 2011 |
| AMENDMENT NUMBER 3 | 22 Mar 2010 |
| AMENDMENT NO. 2 | 28 Jan 2010 |
| SC 13D/A | 06 Feb 2009 |
| BIOGEN IDEC, INC. | 08 May 2008 |
| BIOGEN IDEC INC. | 09 Nov 2006 |
| BIOGEN IDEC INC. | 07 Sep 2005 |
| WILLIAMS ACT FILING SC 13D/A | 14 Feb 2001 |
| SCDEDULE 13D | 19 Jul 2000 |
| AMENDMENT NO. 5 ON SCHEDULE 13D | 21 Mar 2000 |
| GENERAL STATEMENT OF BENEFICIAL OWNERSHIP | 13 Feb 1998 |
| SC 13D/A | 24 Jul 1997 |
| SC 13D/A | 07 May 1997 |
| SCHEDULE 13D AMEND NO.4 IDEC PHARMACEUTICALS CORP | 17 Mar 1997 |
| AMEND #3 TO SCHEDULE 13D, SMITHKLINE BEECHAM CORP | 03 Mar 1997 |
| AMENDMENT NO. 2 TO SCHEDULE 13D | 13 Dec 1996 |
| AMENDMENT NO. 1 TO SCHEDULE 13D | 26 Sep 1996 |
