| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | BA VALUE INVESTORS, LLC Beneficial Owner (10% or more) | Ownership Statement 21-Aug-09 | 1,822,000 21-Aug-09 | DESTEFANO PAUL Director | Ownership Statement 19-May-08 | 100,000 19-May-08 | GRUBER & MCBAINE CAPITAL MANAGEMENT LLC Beneficial Owner (10% or more) | Purchase 24-Jan-08 | 4,249,869 24-Jan-08 | PFEFFER MATTHEW J Officer | Purchase 4-Dec-07 | 20,000 4-Dec-07 | RAFIELD LORI F PHD Director | Ownership Statement 19-May-08 | 0 19-May-08 | ROI CAPITAL MANAGEMENT INC Other | Disposition (Non Open Market) 19-Oct-09 | 2,389,600 19-Oct-09 | WHITEHEAD PIERS C Officer | Purchase 4-Dec-07 | 30,323 4-Dec-07 |
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