| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
IZUMI TATSUO Director | Purchase May 12, 2013 | 215,530 May 12, 2013 | KISSEI PHARMACEUTICAL CO., LTD. Beneficial Owner (10% or more) | Ownership Statement Oct 12, 2011 | 800,000 Oct 12, 2011 | MATSUDA KAZUKO Officer | Ownership Statement Aug 31, 2011 | 13,805 Aug 31, 2011 | O'TOOLE DAVID D Director | Purchase May 28, 2012 | 5,000 May 28, 2012 | SATOMI HAJIME Beneficial Owner (10% or more) | Ownership Statement May 12, 2013 | 1,467,000 May 12, 2013 | SHIGETA HIROAKI Director | Option Exercise May 9, 2012 | 45,000 May 9, 2012 |
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