| 2021-11-01 | Sale | Onto Innovation Inc. ONTO | director | 5,275 0.0107% | $80.48 | $424,532 | -1.73% | |
| 2013-12-16 | Sale | MKS Instruments, Inc. MKSI | CEO | 10,000 0.0188% | $29.15 | $291,520 | +6.05% | |
| 2013-10-18 | Sale | MKS Instruments, Inc. MKSI | CEO | 63,600 0.1145% | $28.07 | $1.79M | +2.8% | |
| 2012-02-17 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 17,200 0.0315% | $30.46 | $523,933 | -14.06% | |
| 2011-03-05 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 100,000 0.1419% | $23.37 | $2.34M | ||
| 2011-02-16 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 77,832 0.1193% | $23.80 | $1.85M | -11.53% | |
| 2011-02-08 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 321,408 0.6261% | $30.15 | $9.69M | -11.26% | |
| 2011-02-07 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 36,528 0.066% | $27.91 | $1.02M | -11.03% | |
| 2010-12-08 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 60,000 0.1172% | $21.63 | $1.3M | +20.23% | |
| 2010-04-30 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 21,768 0.0457% | $23.85 | $519,167 | -7.16% | |
| 2010-04-29 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 29,600 0.0505% | $20.07 | $593,924 | -10.31% | |
| 2010-04-27 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 1,400 0.0029% | $24.00 | $33,600 | -8.59% | |
| 2010-04-26 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 93,806 0.1839% | $23.50 | $2.2M | -12.03% | |
| 2010-03-17 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 46,600 0.0932% | $19.02 | $886,332 | +7.93% | |
| 2010-02-12 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 36,000 0.0718% | $18.67 | $672,120 | +7.42% | |
| 2009-09-14 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 12,764 0.0255% | $20.03 | $255,663 | -6.02% | |
| 2009-03-02 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 7,014 0.0143% | $11.89 | $83,396 | +38.77% | |
| 2008-04-29 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 120,000 0.122% | $12.04 | $1.44M | -30.56% | |
| 2006-08-08 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 40,000 0.0367% | $9.91 | $396,400 | +18.45% | |
| 2005-12-14 | Sale | MKS Instruments, Inc. MKSI | President and CEO | 20,000 0.0185% | $9.49 | $189,800 | +10.14% |