| NET SHARE PURCHASE ACTIVITY |
| Insider Purchases - Last 6 Months | | | Shares | Trans | | Purchases | N/A | 0 | | Sales | 2,000,000 | 1 | Net Shares Purchased (Sold) | (2,000,000) | 1 | | Total Insider Shares Held | 6.79M |
N/A
| % Net Shares Purchased (Sold) | (22.8%) |
N/A
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| Net Institutional Purchases - Prior Qtr to Latest Qtr | | | Shares | | Net Shares Purchased (Sold) | 1,286,260 | | % Change in Institutional Shares Held | 10.1% |
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| INSIDER & RULE 144 TRANSACTIONS REPORTED - LAST TWO YEARS |
| Date | Insider | Shares | Transaction | Value* | | 17-Aug-09 | DRUZGALA PASCAL Officer | 17,964 | Disposition (Non Open Market) | N/A | | 22-May-09 | ORBIMED ADVISORS LLC Beneficial Owner (10% or more) | 2,000,000 | Sale at $4 per share. | $8,000,000 | | 14-Nov-08 | GROWTH EQUITY OPPORTUNITIES FUND, LLC Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | KERINS PATRICK J Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | LINEHAN CHARLES M Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | DRANT RYAN D Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | BASKETT FOREST Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | KOLLURI KRISHNA KITTU Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | TRAINOR III EUGENE A Beneficial Owner (10% or more) | 4,469,274 | Statement of Ownership | N/A | | 14-Nov-08 | ADELMAN ROBERT J Director | 1,214,646 | Purchase | N/A | | 14-Nov-08 | SIMON NICHOLAS J III Director | 1,787,710 | Purchase at $2.20 per share. | $3,932,962 | | 14-Nov-08 | MPM BIOVENTURES III QP LP Beneficial Owner (10% or more) | 1,787,710 | Purchase at $2.20 per share. | $3,932,962 | | 14-Nov-08 | EVNIN LUKE Beneficial Owner (10% or more) | 1,787,710 | Purchase at $2.20 per share. | $3,932,962 | | 14-Nov-08 | ORBIMED ADVISORS LLC Beneficial Owner (10% or more) | 1,214,646 | Purchase | N/A | | 27-Oct-08 | DRUZGALA PASCAL Officer | 15,368 | Disposition (Non Open Market) | N/A |
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* = Where indicated, some values are estimates. 1 = Potential proceeds estimated by the filer. 2 = Estimated based on the average of multiple prices reported. 3 = Multiple dates reported. Most recent date shown. |
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