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