| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 128,074 0.1146% | $8.57 | $1.1M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 866 0.001% | $12.99 | $11,247 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,114 0.0012% | $13.09 | $14,584 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 773 0.0009% | $12.98 | $10,032 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 433 0.0005% | $12.74 | $5,517 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,691 0.0031% | $13.10 | $35,258 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 557 0.0006% | $13.03 | $7,257 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 811 0.0009% | $12.99 | $10,538 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,237 0.0014% | $13.02 | $16,105 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 866 0.001% | $12.96 | $11,225 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 761 0.0009% | $13.00 | $9,890 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 495 0.0006% | $12.79 | $6,329 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 619 0.0007% | $12.72 | $7,876 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 637 0.0007% | $12.68 | $8,078 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 433 0.0005% | $12.36 | $5,351 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 17,943 0.0382% | $11.30 | $202,756 | -3.45% |