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5//SEC Filing

WEIGNER RONALD 5

Accession 0001127602-10-004636

CIK 0001049502other

Filed

Feb 11, 7:00 PM ET

Accepted

Feb 12, 5:39 PM ET

Size

6.0 KB

Accession

0001127602-10-004636

Insider Transaction Report

Form 5
Period: 2009-12-31
WEIGNER RONALD
V.P., C.F.O & Treasurer
Transactions
  • Award

    Restricted Stock Unit

    2009-03-16+1,40017,204 total
    Common Stock (1,400 underlying)
Footnotes (3)
  • [F1]Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
  • [F2]These shares were inadvertently not reported with the equity grant on March 16, 2009
  • [F3]These shares are subject to the achievement of performance criteria, and thereafter shall vest in equal annual installments over three years.

Issuer

MKS INSTRUMENTS INC

CIK 0001049502

Entity typeother

Related Parties

1
  • filerCIK 0001202758

Filing Metadata

Form type
5
Filed
Feb 11, 7:00 PM ET
Accepted
Feb 12, 5:39 PM ET
Size
6.0 KB