| 2016-11-15 | Sale | International Business Machines Corporation IBM | Senior Vice President | 19,866 0.0021% | $158.64 | $3.15M | -0.35% | |
| 2014-07-29 | Sale | International Business Machines Corporation IBM | Senior Vice President | 4,000 0.0004% | $195.36 | $781,459 | -14.09% | |
| 2012-11-26 | Sale | International Business Machines Corporation IBM | Senior Vice President | 29,846 0.0026% | $192.33 | $5.74M | +1.24% | |
| 2012-02-28 | Sale | International Business Machines Corporation IBM | Senior Vice President | 6,006 0.0005% | $197.93 | $1.19M | +0.42% | |
| 2012-02-23 | Sale | International Business Machines Corporation IBM | Senior Vice President | 21,451 0.0019% | $198.75 | $4.26M | +0.51% | |
| 2011-04-27 | Sale | International Business Machines Corporation IBM | Senior Vice President | 76,175 0.0063% | $170.13 | $12.96M | +7.9% | |
| 2010-10-27 | Sale | International Business Machines Corporation IBM | Senior Vice President | 37,639 0.003% | $141.31 | $5.32M | +17.56% | |
| 2010-05-13 | Sale | International Business Machines Corporation IBM | Senior Vice President | 57,888 0.0046% | $132.53 | $7.67M | +10.28% | |
| 2009-07-30 | Sale | International Business Machines Corporation IBM | Senior Vice President | 14,032 0.0011% | $118.61 | $1.66M | +9.11% | |
| 2009-04-29 | Sale | International Business Machines Corporation IBM | Senior Vice President | 16,608 0.0013% | $104.72 | $1.74M | +19.3% | |
| 2008-05-09 | Sale | International Business Machines Corporation IBM | Senior Vice President | 20,603 0.0015% | $124.11 | $2.56M | -18.58% | |
| 2007-05-01 | Sale | International Business Machines Corporation IBM | Senior Vice President | 32,046 0.0015% | $67.13 | $2.15M | +7.88% | |
| 2006-10-20 | Sale | International Business Machines Corporation IBM | Senior Vice President | 33,228 0.0009% | $36.06 | $1.2M | +12% |