| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 76,789 0.0687% | $8.57 | $658,005 | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 519 0.0006% | $12.99 | $6,740 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 668 0.0007% | $13.09 | $8,745 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 464 0.0005% | $12.98 | $6,022 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 260 0.0003% | $12.74 | $3,313 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,614 0.0019% | $13.10 | $21,147 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 334 0.0004% | $13.03 | $4,351 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 486 0.0006% | $12.99 | $6,315 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 742 0.0009% | $13.02 | $9,660 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 519 0.0006% | $12.96 | $6,727 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 456 0.0005% | $13.00 | $5,926 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 297 0.0003% | $12.79 | $3,797 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 371 0.0004% | $12.72 | $4,721 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 382 0.0004% | $12.68 | $4,844 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 260 0.0003% | $12.36 | $3,213 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 10,758 0.0229% | $11.30 | $121,565 | -3.45% |