| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 7,376 0.0066% | $8.57 | $63,205 | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 50 <0.0001% | $12.99 | $649 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 64 <0.0001% | $13.09 | $838 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 45 <0.0001% | $12.98 | $584 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 25 <0.0001% | $12.74 | $319 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 155 0.0002% | $13.10 | $2,031 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 32 <0.0001% | $13.03 | $417 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 47 <0.0001% | $12.99 | $611 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 71 <0.0001% | $13.02 | $924 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 50 <0.0001% | $12.96 | $648 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 44 <0.0001% | $13.00 | $572 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 29 <0.0001% | $12.79 | $371 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 36 <0.0001% | $12.72 | $458 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 37 <0.0001% | $12.68 | $469 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 25 <0.0001% | $12.36 | $309 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,033 0.0022% | $11.30 | $11,673 | -3.45% |