| 2013-05-30 | Sale | MKS Instruments, Inc. MKSI | VP & GM, Astex | 5,464 0.0102% | $28.07 | $153,369 | +2.59% | |
| 2013-04-12 | Sale | MKS Instruments, Inc. MKSI | VP & GM, Astex | 2,788 0.0053% | $26.73 | $74,523 | +7.86% | |
| 2011-03-29 | Sale | MKS Instruments, Inc. MKSI | VP & GM, Astex | 5,766 0.0109% | $31.74 | $182,996 | -18.94% | |
| 2011-02-07 | Sale | MKS Instruments, Inc. MKSI | VP & GM, Astex | 8,776 0.0177% | $31.15 | $273,372 | -11.03% |