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Home > Insider Trading > Filing (0001127602-11-022223)

Filing Details

Accession Number:: 0001127602-11-022223
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-07-29 10:14:06
Reporting Period:: 2011-07-28

Filing Date:: 2011-07-29
Accepted Time:: 2011-07-29 10:14:06
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1049502	Mks Instruments Inc	MKSI	Industrial Instruments For Measurement, Display, And Control (3823)	042277512

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1202744	P Louis Valente	2 Tech Drive Andover MA 01810		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-07-28	12,000	$20.07	26,000	No	4	M	Direct
Common Stock	Disposition	2011-07-28	12,000	$25.13	14,000	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Director Stock Option (Right to Buy)	Disposition	2011-07-28	12,000	$0.00	12,000	$20.07

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-05-14	2014-05-14	No	4	M	Direct

Footnotes

This transaction was executed in multiple trades at prices ranging from $25.00 to $25.36 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.