| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 24,815 0.0222% | $8.57 | $212,640 | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 168 0.0002% | $12.99 | $2,182 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 216 0.0002% | $13.09 | $2,828 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 150 0.0002% | $12.98 | $1,947 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 84 <0.0001% | $12.74 | $1,070 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 521 0.0006% | $13.10 | $6,826 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 108 0.0001% | $13.03 | $1,407 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 157 0.0002% | $12.99 | $2,040 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 240 0.0003% | $13.02 | $3,125 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 168 0.0002% | $12.96 | $2,178 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 147 0.0002% | $13.00 | $1,910 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 96 0.0001% | $12.79 | $1,227 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 120 0.0001% | $12.72 | $1,527 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 123 0.0001% | $12.68 | $1,560 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 84 <0.0001% | $12.36 | $1,038 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,477 0.0074% | $11.30 | $39,290 | -3.45% |