| 2010-09-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 496,786 0.4446% | $8.57 | $4.26M | +43.76% | |
| 2007-04-05 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,360 0.0037% | $12.99 | $43,636 | +7.19% | |
| 2007-04-04 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 4,320 0.0048% | $13.09 | $56,556 | +6.09% | |
| 2007-04-03 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,000 0.0033% | $12.98 | $38,934 | +6.25% | |
| 2007-04-02 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,680 0.0019% | $12.74 | $21,404 | +9.07% | |
| 2007-03-30 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 10,440 0.0122% | $13.10 | $136,788 | +7.85% | |
| 2007-03-29 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,160 0.0025% | $13.03 | $28,141 | +7.19% | |
| 2007-03-28 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,144 0.0036% | $12.99 | $40,853 | +7.23% | |
| 2007-03-27 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 4,800 0.0056% | $13.02 | $62,493 | +7.39% | |
| 2007-03-26 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 3,360 0.0039% | $12.96 | $43,553 | +8.14% | |
| 2007-03-23 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,952 0.0034% | $13.00 | $38,364 | +7.85% | |
| 2007-03-22 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,920 0.0022% | $12.79 | $24,548 | +8.26% | |
| 2007-03-21 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,400 0.0028% | $12.72 | $30,537 | +9.41% | |
| 2007-03-20 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 2,472 0.0028% | $12.68 | $31,348 | +9.37% | |
| 2007-03-19 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 1,680 0.0019% | $12.36 | $20,762 | +12.71% | |
| 2006-05-18 | Sale | Aspen Technology, Inc. AZPN | Member of group > 10% | 69,598 0.1482% | $11.30 | $786,457 | -3.45% |