| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 165,572 0.1482% | $8.57 | $1.42M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,120 0.0012% | $12.99 | $14,545 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,440 0.0016% | $13.09 | $18,852 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,000 0.0011% | $12.98 | $12,978 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 560 0.0006% | $12.74 | $7,135 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,479 0.0041% | $13.10 | $45,583 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 720 0.0008% | $13.03 | $9,380 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,048 0.0012% | $12.99 | $13,618 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,600 0.0019% | $13.02 | $20,831 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,120 0.0013% | $12.96 | $14,518 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 984 0.0011% | $13.00 | $12,788 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 640 0.0007% | $12.79 | $8,183 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 800 0.0009% | $12.72 | $10,179 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 824 0.0009% | $12.68 | $10,449 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 560 0.0006% | $12.36 | $6,921 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 23,196 0.0494% | $11.30 | $262,115 | -3.45% |