| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 289,786 0.2593% | $8.57 | $2.48M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,960 0.0022% | $12.99 | $25,454 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,520 0.0028% | $13.09 | $32,991 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,750 0.0019% | $12.98 | $22,711 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 980 0.0011% | $12.74 | $12,486 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 6,090 0.0071% | $13.10 | $79,793 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,260 0.0015% | $13.03 | $16,416 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,834 0.0021% | $12.99 | $23,831 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,800 0.0032% | $13.02 | $36,454 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,960 0.0023% | $12.96 | $25,406 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,722 0.0031% | $20.00 | $34,433 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,120 0.0013% | $12.79 | $14,320 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,400 0.0016% | $12.72 | $17,813 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,442 0.0017% | $12.68 | $18,286 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 980 0.0011% | $12.36 | $12,111 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 40,598 0.0865% | $11.30 | $458,757 | -3.45% |