| 2007-04-30 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 3,750 0.0034% | $13.76 | $51,581 | -23.04% | |
| 2007-04-26 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 12,500 0.0221% | $27.94 | $349,231 | -25.36% | |
| 2007-04-20 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 12,500 0.0109% | $13.71 | $171,313 | -24.86% | |
| 2007-03-01 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 750 0.0007% | $11.73 | $8,798 | -10.46% | |
| 2007-02-15 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 23,363 0.0279% | $16.43 | $383,756 | -9.94% | |
| 2007-01-30 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 3,750 0.0033% | $10.87 | $40,744 | +1.67% | |
| 2007-01-10 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 7,000 0.0104% | $19.75 | $138,258 | -3.73% | |
| 2006-12-18 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 15,375 0.0144% | $11.74 | $180,450 | +1.82% | |
| 2006-12-15 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 3,750 0.0034% | $11.01 | $41,269 | +5.58% | |
| 2006-10-30 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 3,750 0.0034% | $10.73 | $40,256 | +6.83% | |
| 2006-10-26 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 11,000 0.01% | $11.20 | $123,200 | +3.14% | |
| 2006-10-13 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 11,000 0.0099% | $10.96 | $120,505 | +5.14% | |
| 2006-10-12 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 11,000 0.0099% | $10.70 | $117,700 | +7.43% | |
| 2006-10-03 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 4,376 0.0054% | $13.41 | $58,702 | +16.23% | |
| 2006-08-30 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 12,250 0.011% | $10.45 | $128,013 | +9.53% | |
| 2006-08-22 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 11,000 0.01% | $10.45 | $114,950 | +11.12% | |
| 2006-08-15 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 5,788 0.0051% | $9.88 | $57,157 | +13.88% | |
| 2006-08-07 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 6,000 0.0054% | $9.88 | $59,310 | +15.71% | |
| 2006-07-31 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 4,374 0.004% | $10.43 | $45,621 | +11.18% | |
| 2006-06-15 | Sale | MKS Instruments, Inc. MKSI | V.P. & General Manager | 3,116 0.0056% | $19.75 | $61,541 | +9.82% |