| Date | Name | Title | Filing | Type | Shares Traded | Price Range | Total Held |
|---|---|---|---|---|---|---|---|
| Feb 02, 2005 | VP - Sales | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 4,000 | $4.35 | 4,000 | |
| Feb 02, 2005 | VP - Sales | Form 4 | Open market or private sale of non-derivative or derivative security | 4,000 | $20.60 | -- | |
| Feb 02, 2005 | VP - Sales | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 4,000 | -- | 11,682 | |
| Dec 29, 2004 | Director | Form 4 | Other acquisition or disposition | -- | -- | 455,694 | |
| Dec 27, 2004 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 102,806 | $19.43 | -- | |
| Dec 15, 2004 | Director, Ten Percent Owner | Form 4 | Bona fide gift | 16,700 | -- | 1,706,415 | |
| Nov 12, 2004 | Director, Chief Executive Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 4,450 | $13.98 | 13,064 | |
| Nov 12, 2004 | Director, Chief Executive Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 725 | $13.95 | 13,789 | |
| Oct 30, 2004 | Vice-President - Research | Form 4 | Other acquisition or disposition (describe transaction) | 17 | -- | 17 | |
| Oct 30, 2004 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 25,621 | $1.92 | 126,758 |
For recent transactions, including derivative transactions, see our Section 16 SEC filings page.