| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 23 Dec 2011 | OTHER | BVF PARTNERS L P/ILentity | 301,154 | 2.50 USD | indirect |
| 23 Dec 2011 | OTHER | BVF PARTNERS L P/ILentity | 295,352 | 2.50 USD | indirect |
| 23 Dec 2011 | OTHER | BVF PARTNERS L P/ILentity | 129,100 | 2.50 USD | indirect |
| 03 May 2011 | PURCHASE | KOETHER PAUL O | 200 | 2.01 USD | indirect |
| 02 May 2011 | PURCHASE | KOETHER PAUL O | 20,100 | 1.99 USD | indirect |
| 28 Apr 2011 | PURCHASE | KOETHER PAUL O | 100 | 2.01 USD | indirect |
| 26 Apr 2011 | PURCHASE | KOETHER PAUL O | 24 | 1.93 USD | indirect |
| 11 Apr 2011 | PURCHASE | KOETHER PAUL O | 210 | 1.90 USD | |
| 22 Dec 2010 | PURCHASE | KOETHER PAUL O | 27 | 1.82 USD | indirect |
| 14 Dec 2010 | PURCHASE | KOETHER PAUL O | 120 | 1.83 USD | indirect |
| 15 Nov 2010 | PURCHASE | KOETHER PAUL O | 150 | 1.85 USD | indirect |
| 09 Nov 2010 | PURCHASE | KOETHER PAUL O | 320 | 1.85 USD | indirect |
| 03 Nov 2010 | PURCHASE | KOETHER PAUL O | 1,710 | 1.99 USD | indirect |
| 01 Nov 2010 | PURCHASE | KOETHER PAUL O | 300 | 1.82 USD | indirect |
| 25 Oct 2010 | PURCHASE | KOETHER PAUL O | 250 | 1.82 USD | indirect |
| 20 Oct 2010 | PURCHASE | KOETHER PAUL O | 270 | 1.82 USD | indirect |
| 16 Sept 2010 | PURCHASE | KOETHER PAUL O | 602 | 1.88 USD | |
| 13 Sept 2010 | PURCHASE | KOETHER PAUL O | 1,000 | 1.82 USD | |
| 09 Sept 2010 | PURCHASE | KOETHER PAUL O | 500 | 1.82 USD | |
| 25 Aug 2010 | PURCHASE | KOETHER PAUL O | 40 | 1.88 USD | |
| 24 Aug 2010 | PURCHASE | KOETHER PAUL O | 2,500 | 1.88 USD | |
| 02 Aug 2010 | PURCHASE | KOETHER PAUL O | 100 | 1.90 USD | indirect |
| 29 Jul 2010 | PURCHASE | KOETHER PAUL O | 18 | 1.87 USD | indirect |
| 12 Jul 2010 | PURCHASE | KOETHER PAUL O | 500 | 1.90 USD | indirect |
| 07 Jul 2010 | PURCHASE | KOETHER PAUL O | 700 | 1.85 USD | indirect |