STEWART WILLIAM D 4
4 · MKS INSTRUMENTS INC · Filed Mar 19, 2012
Insider Transaction Report
Form 4
STEWART WILLIAM D
V.P. Vacuum Products & PFMC
Transactions
- Exercise/Conversion
Restricted Stock Unit
2012-03-16−1,960→ 5,592.158 total→ Common Stock (1,960 underlying) - Exercise/Conversion
Common Stock
2012-03-16+1,960→ 6,895.079 total - Tax Payment
Common Stock
2012-03-16$29.60/sh−1,046$30,962→ 7,249.079 total - Exercise/Conversion
Common Stock
2012-03-16+1,400→ 8,295.079 total - Exercise/Conversion
Restricted Stock Unit
2012-03-16−1,400→ 6,037.097 total→ Common Stock (1,400 underlying)
Holdings
- 0.552(indirect: By Spouse)
Common Stock
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.