| Date | Initié | Actions | Transaction | Montant* |
| 25-Nov-09 | TERMEER HENRI A Director | 4900 | Disposition (Non Open Market) at $9.17 per share. | $44933 |
| 24-Nov-09 | TERMEER HENRI A Director | 15000 | Disposition (Non Open Market) at $8.72 per share. | $130800 |
| 23-Nov-09 | TERMEER HENRI A Director | 10000 | Disposition (Non Open Market) at $8.46 per share. | $84600 |
| 18-Nov-09 | TERMEER HENRI A Director | 6300 | Disposition (Non Open Market) at $9.05 per share. | $57015 |
| 17-Nov-09 | TERMEER HENRI A Director | 20000 | Disposition (Non Open Market) at $9.05 per share. | $181000 |
| 16-Nov-09 | TERMEER HENRI A Director | 15205 | Disposition (Non Open Market) at $9.07 per share. | $137909 |
| 13-Nov-09 | TERMEER HENRI A Director | 19112 | Disposition (Non Open Market) at $8.95 per share. | $171052 |
| 12-Nov-09 | TERMEER HENRI A Director | 25944 | Disposition (Non Open Market) at $9.27 per share. | $240500 |
| 11-Nov-09 | TERMEER HENRI A Director | 25000 | Disposition (Non Open Market) at $9.35 per share. | $233750 |
| 10-Nov-09 | TERMEER HENRI A Director | 20000 | Disposition (Non Open Market) at $9.36 per share. | $187200 |
| 30-Sep-09 | BOWEN ROBERT Officer | 2139 | Acquisition (Non Open Market) at $4.21 per share. | $9005 |
| 30-Sep-09 | MINOGUE MICHAEL R Officer | 2970 | Acquisition (Non Open Market) at $4.21 per share. | $12503 |
| 30-Sep-09 | BOLT WILLIAM J Officer | 855 | Acquisition (Non Open Market) at $4.21 per share. | $3599 |
| 12-Aug-09 | HOWLEY MICHAEL G Officer | 25000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 12-Aug-09 | BOWEN ROBERT Officer | 25000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 1-Jul-09 | DOLLENS RONALD W Director | 1701 | Acquisition (Non Open Market) at $8.82 per share. | $15002 |
| 1-Jul-09 | TERMEER HENRI A Director | 1701 | Acquisition (Non Open Market) at $8.82 per share. | $15002 |
| 1-Jul-09 | O CONNELL DESMOND JR Director | 1701 | Acquisition (Non Open Market) at $8.82 per share. | $15002 |
| 1-Jul-09 | PUHY DOROTHY E Director | 1701 | Acquisition (Non Open Market) at $8.82 per share. | $15002 |
| 1-Jul-09 | SUTTER MARTIN P Director | 1701 | Acquisition (Non Open Market) at $8.82 per share. | $15002 |
| 5-Jun-09 | GREENFIELD ANDREW J Officer | 1144 | Disposition (Non Open Market) at $6.99 per share. | $7996 |
| 26-May-09 | GREENFIELD ANDREW J Officer | 1210 | Disposition (Non Open Market) at $5.53 per share. | $6691 |
| 26-May-09 | MINOGUE MICHAEL R Officer | 3446 | Disposition (Non Open Market) at $5.60 per share. | $19297 |
| 31-Mar-09 | MINOGUE MICHAEL R Officer | 3004 | Acquisition (Non Open Market) at $4.17 per share. | $12526 |
| 5-Mar-09 | HOWLEY MICHAEL G Officer | 2500 | Statement of Ownership | N/A |
| 27-Feb-09 | SUTTER MARTIN P Director | 15000 | Purchase at $6.86 per share. | $102900 |
| 9-Feb-09 | SUTTER MARTIN P Director | 10000 | Purchase at $9.08 per share. | $90800 |
| 16-Dec-08 | ABIOMED INC Director | 135000 | Sale at $2.35 per share. | $317250 |
| 21-Nov-08 | SUTTER MARTIN P Director | 15000 | Purchase at $10.96 per share. | $164400 |
| 30-Sep-08 | MINOGUE MICHAEL R Officer | 1124 | Acquisition (Non Open Market) at $11.13 per share. | $12510 |
| 16-Sep-08 | WEBER DAVID M Officer | 4900 | Disposition (Non Open Market) at $17.81 per share. | $87269 |
| 16-Sep-08 | GREENFIELD ANDREW J Officer | 3300 | Disposition (Non Open Market) at $17.81 per share. | $58772 |
| 16-Sep-08 | SUTHERBY DANIEL J Officer | 1800 | Disposition (Non Open Market) at $17.81 per share. | $32057 |
| 16-Sep-08 | MINOGUE MICHAEL R Officer | 10834 | Disposition (Non Open Market) at $17.81 per share. | $192953 |
| 16-Sep-08 | BOLT WILLIAM J Officer | 4900 | Disposition (Non Open Market) at $17.81 per share. | $87269 |
| 18-Aug-08 | SUTTER MARTIN P Director | 550000 | Purchase at $17.95 per share. | $9872500 |
| 13-Aug-08 | WEBER DAVID M Officer | 72500 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 13-Aug-08 | SUTHERBY DANIEL J Officer | 23750 | Acquisition (Non Open Market) at $18.63 per share. | $442462 |
| 13-Aug-08 | MINOGUE MICHAEL R Officer | 93750 | Acquisition (Non Open Market) at $18.63 per share. | $1746562 |
| 13-Aug-08 | GREENFIELD ANDREW J Officer | 31250 | Acquisition (Non Open Market) at $18.63 per share. | $582187 |
| 13-Aug-08 | BOLT WILLIAM J Officer | 45000 | Acquisition (Non Open Market) at $18.63 per share. | $838350 |
| 28-Jul-08 | BOLT WILLIAM J Officer | 20000 | Option Exercise at $6.69 per share. | $133800 |
| 28-Jul-08 | BOLT WILLIAM J Officer | 20000 | Automatic Sale at $19.58 per share. | $391599 |
| 25-Jul-08 | MINOGUE MICHAEL R Officer | 5817 | Option Exercise at $9.05 per share. | $52643 |
| 25-Jul-08 | MINOGUE MICHAEL R Officer | 5817 | Automatic Sale at $20.01 per share. | $116398 |
| 17-Jun-08 | MINOGUE MICHAEL R Officer | 7800 | Option Exercise at $9.05 per share. | $70590 |
| 17-Jun-08 | MINOGUE MICHAEL R Officer | 7800 | Automatic Sale at $20 per share. | $156000 |
| 27-May-08 | SUTTER MARTIN P Director | 10000 | Purchase at $13.88 per share. | $138800 |
| 23-May-08 | FITCH PATRICIA A. Officer | 5000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-May-08 | WEBER DAVID M Officer | 27000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-May-08 | GREENFIELD ANDREW J Officer | 21000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-May-08 | SUTHERBY DANIEL J Officer | 15000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-May-08 | MINOGUE MICHAEL R Officer | 86667 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-May-08 | BOLT WILLIAM J Officer | 26000 | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-May-08 | SUTTER MARTIN P Director | 1818182 | Statement of Ownership | N/A |
| 20-May-08 | SUTTER MARTIN P Director | 15000 | Statement of Ownership | N/A |
| 31-Mar-08 | MINOGUE MICHAEL R Officer | 1180 | Acquisition (Non Open Market) at $10.59 per share. | $12496 |
| 31-Mar-08 | DOLLENS RONALD W Director | 1141 | Acquisition (Non Open Market) at $13.14 per share. | $14992 |
| 31-Mar-08 | BOLT WILLIAM J Officer | 226 | Acquisition (Non Open Market) at $10.59 per share. | $2393 |
| 31-Mar-08 | TERMEER HENRI A Director | 1141 | Acquisition (Non Open Market) at $13.14 per share. | $14992 |
| 31-Mar-08 | O CONNELL DESMOND JR Director | 1141 | Acquisition (Non Open Market) at $13.14 per share. | $14992 |
| 31-Mar-08 | PUHY DOROTHY E Director | 1141 | Acquisition (Non Open Market) at $13.14 per share. | $14992 |
| 31-Mar-08 | LATAIF LOUIS E Director | 1141 | Acquisition (Non Open Market) at $13.14 per share. | $14992 |
| 26-Feb-08 | PUHY DOROTHY E Director | 5000 | Option Exercise at $5.15 per share. | $25750 |