| 8 May 2012 |
| Verition Fund Management LLC |
| 10 percent owner |
| P-Purchase |
| Acquired |
| 100,000 |
| $3.75 |
| 8 May 2012 | Verition Fund Management LLC | 10 percent owner | P-Purchase | Acquired | 30,000 | $3.75 |
| 15 Feb 2012 | Verition Fund Management LLC | 10 percent owner | J-Other | Disposed | 164,695 | $0.00 |
| 15 Feb 2012 | Verition Fund Management LLC | 10 percent owner | J-Other | Acquired | 164,695 | $0.00 |
| 20 Dec 2011 | Verition Fund Management LLC | 10 percent owner | E-ExpireShort | Disposed | 1 | $3.30 |
| 22 Sept 2011 | Verition Fund Management LLC | 10 percent owner | S-Sale | Disposed | 1 | $3.30 |