| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 331,214 0.2964% | $8.57 | $2.84M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,240 0.0025% | $12.99 | $29,090 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,880 0.0032% | $13.09 | $37,704 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,000 0.0022% | $12.98 | $25,956 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,120 0.0012% | $12.74 | $14,269 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 6,960 0.0081% | $13.10 | $91,192 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,440 0.0017% | $13.03 | $18,761 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,096 0.0024% | $12.99 | $27,235 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,200 0.0037% | $13.02 | $41,662 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,240 0.0026% | $12.96 | $29,035 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,968 0.0023% | $13.00 | $25,576 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,280 0.0015% | $12.79 | $16,366 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,600 0.0018% | $12.72 | $20,358 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,648 0.0019% | $12.68 | $20,898 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,120 0.0013% | $12.36 | $13,842 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 46,402 0.0988% | $11.30 | $524,343 | -3.45% |