| 2015-11-23 | Sale | International Business Machines Corporation IBM | Executive Vice President | 10,000 0.001% | $138.29 | $1.38M | +10.95% | |
| 2011-07-22 | Sale | International Business Machines Corporation IBM | Executive Vice President | 104,505 0.0088% | $185.01 | $19.33M | +3.45% | |
| 2010-10-29 | Sale | International Business Machines Corporation IBM | Executive Vice President | 113,091 0.0091% | $142.63 | $16.13M | +15.89% | |
| 2010-05-13 | Sale | International Business Machines Corporation IBM | Executive Vice President | 138,819 0.01% | $121.61 | $16.88M | +10.28% | |
| 2009-08-28 | Sale | International Business Machines Corporation IBM | Executive Vice President | 29,032 0.0019% | $103.25 | $3M | +8.85% | |
| 2008-08-07 | Sale | International Business Machines Corporation IBM | Executive Vice President | 20,000 0.0015% | $128.34 | $2.57M | -21.86% | |
| 2008-04-30 | Sale | International Business Machines Corporation IBM | Executive Vice President | 48,876 0.0036% | $123.10 | $6.02M | -15.79% | |
| 2007-07-20 | Sale | International Business Machines Corporation IBM | Executive Vice President | 20,000 0.0015% | $114.35 | $2.29M | +1.2% | |
| 2007-05-16 | Sale | International Business Machines Corporation IBM | Executive Vice President | 5,000 0.0003% | $104.93 | $524,650 | +6.12% | |
| 2006-10-19 | Sale | International Business Machines Corporation IBM | Executive Vice President | 43,046 0.0016% | $51.16 | $2.2M | +12.56% |