STEWART WILLIAM D 4
4 · MKS INSTRUMENTS INC · Filed Apr 24, 2012
Insider Transaction Report
Form 4
STEWART WILLIAM D
V.P. Vacuum Products & PFMC
Transactions
- Award
Restricted Stock Unit
2012-04-02+1,683.502→ 3,267.786 total(indirect: By Spouse)→ Common Stock (1,683.502 underlying)
Footnotes (2)
- [F1]Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
- [F2]The RSUs vest in equal annual installments over three years