| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1.37M 1.2227% | $8.57 | $11.71M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 9,240 0.0103% | $12.99 | $119,998 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 11,880 0.0132% | $13.09 | $155,528 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 8,250 0.0091% | $12.98 | $107,068 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 4,620 0.0051% | $12.74 | $58,861 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 28,710 0.0336% | $13.10 | $376,167 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 5,940 0.0069% | $13.03 | $77,389 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 8,646 0.01% | $12.99 | $112,345 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 13,200 0.0153% | $13.02 | $171,855 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 9,240 0.0107% | $12.96 | $119,771 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 8,118 0.0094% | $13.00 | $105,500 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 5,280 0.006% | $12.79 | $67,508 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 6,600 0.0076% | $12.72 | $83,977 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 6,798 0.0078% | $12.68 | $86,206 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 4,620 0.0053% | $12.36 | $57,097 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 191,402 0.4076% | $11.30 | $2.16M | -3.45% |