| 2011-07-25 | Sale | International Business Machines Corporation IBM | Senior Vice President | 3,639 0.0003% | $183.48 | $667,678 | +4.55% | |
| 2011-04-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 11,069 0.0009% | $170.50 | $1.89M | +7.65% | |
| 2010-08-03 | Sale | International Business Machines Corporation IBM | Senior Vice President | 35,555 0.0028% | $130.39 | $4.64M | +23.61% | |
| 2010-08-02 | Sale | International Business Machines Corporation IBM | Senior Vice President | 30,035 0.0024% | $130.22 | $3.91M | +23.23% | |
| 2010-07-30 | Sale | International Business Machines Corporation IBM | Senior Vice President | 24,245 0.0019% | $128.17 | $3.11M | +24.93% | |
| 2010-05-21 | Sale | International Business Machines Corporation IBM | Senior Vice President | 9,000 0.0007% | $124.25 | $1.12M | +16.16% | |
| 2008-08-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 24,032 0.0018% | $124.61 | $2.99M | -19.06% | |
| 2008-05-12 | Sale | International Business Machines Corporation IBM | Senior Vice President | 4,840 0.0004% | $125.30 | $606,471 | -19.17% |