| 2014-07-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 10,000 0.001% | $195.91 | $1.96M | -14.56% | |
| 2014-02-14 | Sale | International Business Machines Corporation IBM | Senior Vice President | 10,000 0.001% | $183.87 | $1.84M | +1.51% | |
| 2013-02-27 | Sale | International Business Machines Corporation IBM | Senior Vice President | 12,000 0.0011% | $202.08 | $2.42M | -5.66% | |
| 2012-11-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 3,852 0.0003% | $191.16 | $736,351 | +1.71% | |
| 2012-08-16 | Sale | International Business Machines Corporation IBM | Senior Vice President | 13,433 0.0012% | $200.85 | $2.7M | -0.14% | |
| 2012-02-17 | Sale | International Business Machines Corporation IBM | Senior Vice President | 20,562 0.0018% | $193.60 | $3.98M | +2.36% | |
| 2011-10-27 | Sale | International Business Machines Corporation IBM | Senior Vice President | 15,292 0.0006% | $80.84 | $1.24M | +6.56% | |
| 2011-05-12 | Sale | International Business Machines Corporation IBM | Senior Vice President | 2,766 0.0002% | $172.00 | $475,752 | +6.97% | |
| 2011-02-17 | Sale | International Business Machines Corporation IBM | Senior Vice President | 11,575 0.0009% | $164.07 | $1.9M | +6.31% | |
| 2010-10-29 | Sale | International Business Machines Corporation IBM | Senior Vice President | 21,942 0.0017% | $136.35 | $2.99M | +15.89% | |
| 2010-02-11 | Sale | International Business Machines Corporation IBM | Senior Vice President | 10,000 0.0008% | $122.40 | $1.22M | +5.73% | |
| 2009-11-24 | Sale | International Business Machines Corporation IBM | Senior Vice President | 22,791 0.0017% | $127.50 | $2.91M | +1.33% | |
| 2009-08-20 | Sale | International Business Machines Corporation IBM | Senior Vice President | 5,000 0.0004% | $119.00 | $595,000 | +8.1% | |
| 2009-05-18 | Sale | International Business Machines Corporation IBM | Senior Vice President | 10,000 0.0008% | $104.36 | $1.04M | +20.25% | |
| 2008-05-19 | Sale | International Business Machines Corporation IBM | Senior Vice President | 39,586 0.0029% | $127.99 | $5.07M | -19.97% | |
| 2008-02-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 151 <0.0001% | $115.44 | $17,431 | +0.73% | |
| 2008-02-12 | Sale | International Business Machines Corporation IBM | Senior Vice President | 3,682 0.0003% | $106.00 | $390,292 | +8.99% | |
| 2007-08-03 | Sale | International Business Machines Corporation IBM | Senior Vice President | 48,129 0.0036% | $113.75 | $5.47M | +4.15% | |
| 2006-11-06 | Sale | International Business Machines Corporation IBM | Senior Vice President | 2,000 0.0001% | $92.50 | $184,996 | +12.11% | |
| 2006-11-03 | Sale | International Business Machines Corporation IBM | Senior Vice President | 20,349 0.0009% | $63.24 | $1.29M | +13.45% |