| 2008-05-01 | Sale | MKS Instruments, Inc. MKSI | 150,000 0.2995% | $23.72 | $3.56M | -31.26% | ||
| 2008-04-30 | Sale | MKS Instruments, Inc. MKSI | 150,000 0.3078% | $23.30 | $3.5M | -27.83% | ||
| 2008-04-04 | Sale | MKS Instruments, Inc. MKSI | 150,000 0.3023% | $22.65 | $3.4M | -17.68% | ||
| 2008-04-03 | Sale | MKS Instruments, Inc. MKSI | 150,000 0.2995% | $22.78 | $3.42M | -18.6% | ||
| 2008-03-10 | Sale | MKS Instruments, Inc. MKSI | 92,748 0.1816% | $19.96 | $1.85M | +4.52% | ||
| 2008-03-07 | Sale | MKS Instruments, Inc. MKSI | 100,000 0.1924% | $20.02 | $2M | +2.44% | ||
| 2008-02-05 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0985% | $18.83 | $941,500 | +11.53% | ||
| 2008-02-04 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0965% | $19.24 | $962,000 | +6.95% | ||
| 2008-01-08 | Sale | MKS Instruments, Inc. MKSI | 1,800 0.0037% | $17.50 | $31,500 | +24.08% | ||
| 2008-01-03 | Sale | MKS Instruments, Inc. MKSI | 46,600 0.0918% | $18.35 | $855,110 | +14.46% | ||
| 2007-12-13 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0971% | $18.46 | $923,000 | +12.16% | ||
| 2007-12-12 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0966% | $18.67 | $933,500 | +10.33% | ||
| 2007-12-06 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0964% | $18.37 | $918,500 | +11.98% | ||
| 2007-12-05 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0967% | $17.92 | $896,000 | +15.01% | ||
| 2007-11-16 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0968% | $17.75 | $887,500 | +16.3% | ||
| 2007-11-15 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0971% | $17.80 | $890,000 | +16.34% | ||
| 2007-11-08 | Sale | MKS Instruments, Inc. MKSI | 3,400 0.0066% | $17.56 | $59,704 | +18.68% | ||
| 2007-11-07 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0986% | $17.63 | $881,500 | +19.2% | ||
| 2007-10-22 | Sale | MKS Instruments, Inc. MKSI | 50,000 0.0941% | $19.47 | $973,500 | +3.05% | ||
| 2007-10-19 | Sale | MKS Instruments, Inc. MKSI | 52,246 0.1028% | $19.47 | $1.02M | +7.84% |