| 2013-03-05 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 5,278 0.01% | $27.33 | $144,264 | +1.91% | |
| 2013-03-01 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 3,258 0.0061% | $26.75 | $87,152 | +3.69% | |
| 2013-02-26 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 3,200 0.006% | $27.13 | $86,816 | +2.97% | |
| 2012-05-01 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 3,826 0.0073% | $27.68 | $105,904 | -2.2% | |
| 2012-03-06 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 5,348 0.0103% | $28.61 | $153,028 | -4.25% | |
| 2012-02-29 | Sale | MKS Instruments, Inc. MKSI | Sr. VP, ASG | 3,302 0.0064% | $30.35 | $100,216 | -9.49% | |
| 2011-04-26 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 3,820 0.0072% | $28.09 | $107,289 | -6.11% | |
| 2011-03-11 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 3,852 0.0075% | $29.24 | $112,632 | -8.55% | |
| 2011-03-07 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 5,344 0.0104% | $31.68 | $169,309 | -15.67% | |
| 2011-03-04 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 12,000 0.0225% | $30.91 | $370,980 | -17.08% | |
| 2011-02-17 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 48,000 0.0928% | $30.45 | $1.46M | -12.77% | |
| 2011-02-07 | Sale | MKS Instruments, Inc. MKSI | Group VP, ASG | 110,000 0.1952% | $27.39 | $3.01M | -11.03% | |
| 2010-04-26 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 5,298 0.0108% | $24.33 | $128,900 | -12.03% | |
| 2010-03-17 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 3,818 0.0077% | $19.17 | $73,191 | +7.93% | |
| 2010-03-11 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 3,852 0.0076% | $19.04 | $73,342 | +6.82% | |
| 2010-03-02 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 3,920 0.0078% | $18.50 | $72,520 | +9.27% | |
| 2009-03-12 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 8,156 0.0162% | $13.23 | $107,904 | +22.89% | |
| 2009-03-02 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 2,006 0.0041% | $11.89 | $23,851 | +38.77% | |
| 2009-02-17 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 13,096 0.0271% | $15.61 | $204,429 | +5.75% | |
| 2008-05-22 | Sale | MKS Instruments, Inc. MKSI | V.P. & Chief Tech Officer | 4,374 0.0071% | $19.39 | $84,812 | -33.12% |