| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2.9M 2.5936% | $8.57 | $24.83M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 19,600 0.0219% | $12.99 | $254,541 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 25,200 0.0281% | $13.09 | $329,908 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 17,500 0.0193% | $12.98 | $227,113 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 9,800 0.0109% | $12.74 | $124,857 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 60,900 0.0712% | $13.10 | $797,930 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 12,600 0.0146% | $13.03 | $164,158 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 18,340 0.0211% | $12.99 | $238,308 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 28,000 0.0324% | $13.02 | $364,540 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 19,600 0.0227% | $12.96 | $254,059 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 17,220 0.02% | $13.00 | $223,788 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 11,200 0.0128% | $12.79 | $143,199 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 14,000 0.0161% | $12.72 | $178,133 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 14,420 0.0166% | $12.68 | $182,861 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 9,800 0.0113% | $12.36 | $121,114 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 406,000 0.8646% | $11.30 | $4.59M | -3.45% |