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Filing Details

Accession Number:: 0001181431-11-055527
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-11-09 13:21:23
Reporting Period:: 2011-11-09

Filing Date:: 2011-11-09
Accepted Time:: 2011-11-09 13:21:23
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1364962	Imperva Inc	IMPV	Services-Prepackaged Software (7372)	030460133

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1392138	Asheem Chandna	C/O Greylock Partners 2550 Sand Hill Road Menlo Park CA 94025		Yes	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-11-09	92,568	$18.00	92,568	No	4	P	Indirect	See footnote
Common Stock	Acquisiton	2011-11-09	10,285	$18.00	10,285	No	4	P	Indirect	See footnote
Common Stock	Acquisiton	2011-11-09	5,413	$18.00	5,413	No	4	P	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See footnote
No	4	P	Indirect	See footnote
No	4	P	Indirect	See footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	107,000	Direct

Footnotes

The securities are held directly by Greylock XII Limited Partnership. Greylock XII GP Limited Liability Company is the sole General Partner of Greylock XII Limited Partnership and Greylock XII-A Limited Partnership. Mr. Chandna is a Managing Member of Greylock XII GP Limited Liability Company and a member of Greylock XII Principals LLC and exercises shared voting and investment power over the shares held of record by Greylock XII Limited Partnership, Greylock XII-A Limited Partnership and Greylock XII Principals LLC. Mr. Chandna, a director of the Issuer, disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.
The securities are held directly by Greylock XII-A Limited Partnership. Greylock XII GP Limited Liability Company is the sole General Partner of Greylock XII Limited Partnership and Greylock XII-A Limited Partnership. Mr. Chandna is a Managing Member of Greylock XII GP Limited Liability Company and a member of Greylock XII Principals LLC and exercises shared voting and investment power over the shares held of record by Greylock XII Limited Partnership, Greylock XII-A Limited Partnership and Greylock XII Principals LLC. Mr. Chandna, a director of the Issuer, disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.
The securities are held directly by Greylock XII Principals LLC. Greylock XII GP Limited Liability Company is the sole General Partner of Greylock XII Limited Partnership and Greylock XII-A Limited Partnership. Mr. Chandna is a Managing Member of Greylock XII GP Limited Liability Company and a member of Greylock XII Principals LLC and exercises shared voting and investment power over the shares held of record by Greylock XII Limited Partnership, Greylock XII-A Limited Partnership and Greylock XII Principals LLC. Mr. Chandna, a director of the Issuer, disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.