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MKS INC — Director's Dealing 2011
Feb 14, 2011
30723_dirs_2011-02-14_d3f12a8a-73a8-4d6d-93ec-376f590c75d2.zip
Director's Dealing
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SEC Form 5 — Annual Statement of Changes in Beneficial Ownership
Issuer: MKS INSTRUMENTS INC (MKSI)
CIK: 0001049502
Period of Report: 2010-12-31
Reporting Person: STEWART WILLIAM D (VP, Vacuum Products)
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2010-01-04 | Stock Option (Right to Buy) | $32.00 | E | 11000 | Disposed | 2010-01-04 | Common Stock (11000) | Direct |
Footnotes
F1: Expires 10 years after date of grant
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