| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | ABIOMED INC Director | Sale 16-Dec-08 | 2,731,667 16-Dec-08 | BOLT WILLIAM J Officer | Acquisition (Non Open Market) 30-Sep-09 | 77,767 30-Sep-09 | BOWEN ROBERT Officer | Acquisition (Non Open Market) 30-Sep-09 | 27,139 30-Sep-09 | DOLLENS RONALD W Director | Acquisition (Non Open Market) 1-Jul-09 | 4,386 1-Jul-09 | FITCH PATRICIA A. Officer | Acquisition (Non Open Market) 23-May-08 | 5,000 23-May-08 | GREENFIELD ANDREW J Officer | Disposition (Non Open Market) 5-Jun-09 | 56,203 5-Jun-09 | HOWLEY MICHAEL G Officer | Acquisition (Non Open Market) 12-Aug-09 | 27,500 12-Aug-09 | LATAIF LOUIS E Director | Acquisition (Non Open Market) 31-Mar-08 | 6,576 31-Mar-08 | MINOGUE MICHAEL R Officer | Acquisition (Non Open Market) 30-Sep-09 | 206,543 30-Sep-09 | O CONNELL DESMOND JR Director | Acquisition (Non Open Market) 1-Jul-09 | 64,577 1-Jul-09 | PUHY DOROTHY E Director | Acquisition (Non Open Market) 1-Jul-09 | 13,201 1-Jul-09 | SUTHERBY DANIEL J Officer | Disposition (Non Open Market) 16-Sep-08 | 43,354 16-Sep-08 | SUTTER MARTIN P Director | Acquisition (Non Open Market) 1-Jul-09 | 2,269,883 1-Jul-09 | TERMEER HENRI A Director | Acquisition (Non Open Market) 1-Jul-09 | 58,647 1-Jul-09 | WEBER DAVID M Officer | Disposition (Non Open Market) 16-Sep-08 | 94,600 16-Sep-08 |
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