| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 662,428 0.5928% | $8.57 | $5.68M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 4,480 0.005% | $12.99 | $58,181 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 5,760 0.0064% | $13.09 | $75,408 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 4,000 0.0044% | $12.98 | $51,912 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 2,240 0.0025% | $12.74 | $28,539 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 13,921 0.0163% | $13.10 | $182,397 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 2,880 0.0033% | $13.03 | $37,522 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 4,192 0.0048% | $12.99 | $54,470 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 6,400 0.0074% | $13.02 | $83,324 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 4,480 0.0052% | $12.96 | $58,071 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 3,936 0.0046% | $13.00 | $51,151 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 2,560 0.0029% | $12.79 | $32,731 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 3,200 0.0037% | $12.72 | $40,716 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 3,296 0.0038% | $12.68 | $41,797 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 2,240 0.0026% | $12.36 | $27,683 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of Group > 10% | 92,804 0.1976% | $11.30 | $1.05M | -3.45% |