| Mar 26, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Mar 11, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Mar 11, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Mar 11, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Feb 8, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Feb 7, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jan 31, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jan 23, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jan 16, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jan 11, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jan 8, 2008 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Dec 31, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Dec 26, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Dec 19, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Nov 26, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Nov 1, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Oct 18, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Oct 15, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Oct 9, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Sep 27, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Sep 21, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Sep 12, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Aug 24, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Aug 14, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Aug 2, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 30, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 17, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 17, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 16, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 9, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jul 2, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jun 26, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jun 20, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jun 15, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Jun 1, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| May 29, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| May 23, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| May 23, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| May 8, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |
| Apr 24, 2007 | 4 | Form 4 - Statement of changes in beneficial ownership of securities | — | Open source ↗ |