| Date | Name | Title | Filing | Type | Shares Traded | Price Range | Total Held |
|---|---|---|---|---|---|---|---|
| Apr 05, 2005 | Director | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,255 | -- | 5,018 | |
| Apr 04, 2005 | Vice President - CFO | Form 4 | Other acquisition or disposition | -- | -- | 36,591 | |
| Apr 04, 2005 | Vice President - CFO | Form 4 | Other acquisition or disposition | -- | -- | 10,200 | |
| Apr 01, 2005 | Vice President - CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,000 | $4.35 | 1,131 | |
| Apr 01, 2005 | Vice President - CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $18.27 | 131 | |
| Apr 01, 2005 | Vice President - CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,000 | -- | 1,409 | |
| Mar 22, 2005 | Vice-President - Research | Form 4 | Other acquisition or disposition | -- | -- | 10,200 | |
| Mar 22, 2005 | VP - Operations | Form 4 | Other acquisition or disposition | -- | -- | 8,000 | |
| Mar 21, 2005 | Vice-President - Research | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,000 | $4.35 | 1,132 | |
| Mar 21, 2005 | Vice-President - Research | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $21.00 | 132 |
For recent transactions, including derivative transactions, see our Section 16 SEC filings page.