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MKS INC — Director's Dealing 2012
Jan 20, 2012
30723_dirs_2012-01-20_52f8156c-a9b8-40dd-96cd-f54e72b6ee27.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: 2011-12-31
Reporting Person: STEWART WILLIAM D (VP/GM, Vacuum Products)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2011-11-30 | Common Stock | A | 188.552 | $21.624 | Acquired | 188.552 | Indirect |
Footnotes
F1: This purchase is a result of participation in the MKS Employee Stock Purchase Plan.
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