| Filed On | Filing |
|---|---|
| 26 May 2020 | SC 13D/A |
| 10 Mar 2020 | AMENDMENT NO. 2 TO THE SCHEDULE 13D |
| 28 Feb 2020 | AMENDMENT NO. 1 TO THE SCHEDULE 13D |
| 11 Oct 2019 | SC 13D/A |
| 12 Aug 2019 | SC 13D/A |
| 11 Jun 2019 | SC 13D/A |
| 19 Sep 2008 | HIGHLAND CAPITAL MANAGEMENT 13DA |
| 08 Aug 2008 | PDL BIOPHARMA SC13DA 8-8-2008 |
| 29 Jul 2008 | PDL BIOPHARMA SC 13D/A 7-24-2008 |
| 18 Dec 2007 | AMENDMENT TO SCHEDULE 13D |
| 12 Dec 2007 | AMENDMENT TO SCHEDULE 13D |
| 09 Nov 2007 | 9TH AMENDMENT |
| 17 Oct 2007 | 8TH AMENDMENT |
| 30 Aug 2007 | SC 13D/A |
| 17 Jul 2007 | SC 13D/A |
| 31 May 2007 | SC 13D/A |
| 22 May 2007 | AMENDMENT NO. 4 |
| 18 Apr 2007 | THIRD AMENDMENT |
| 11 Apr 2007 | SCHEDULE 13D AMENDMENT NO. 2 |
| 21 Mar 2007 | SC 13D/A |
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