STEWART WILLIAM D 4
4 · MKS INSTRUMENTS INC · Filed Mar 6, 2012
Insider Transaction Report
Form 4
STEWART WILLIAM D
V.P. Vacuum Products & PFMC
Transactions
- Tax Payment
Common Stock
2012-03-05$28.46/sh−1,462$41,609→ 4,935.079 total - Exercise/Conversion
Restricted Stock Unit
2012-03-05−2,700→ 7,552.158 total→ Common Stock (2,700 underlying) - Exercise/Conversion
Common Stock
2012-03-05+2,000→ 6,397.079 total - Exercise/Conversion
Common Stock
2012-03-05+2,700→ 4,397.079 total - Exercise/Conversion
Restricted Stock Unit
2012-03-05−2,000→ 7,437.097 total→ Common Stock (2,000 underlying)
Footnotes (4)
- [F1]Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
- [F2]This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person.
- [F3]These RSUs are subject to the achievement of performance criteria determined in the first year of the grant and thereafter vests in equal annual installments over three years.
- [F4]The RSUs vest in equal annual installments over three years.