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Filing Details

Accession Number:: 0001548538-12-000034
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-11-13 15:48:29
Reporting Period:: 2012-11-08

Filing Date:: 2012-11-13
Accepted Time:: 2012-11-13 15:48:29
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
1190636	M Steven Krausz	2735 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	Disposition	2012-11-08	7,000	$30.89	22,252	No	4	S	Direct
Common Stock	Disposition	2012-11-09	4,000	$0.00	18,252	No	4	G	Direct

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	478,200	Indirect	Directly owned by USVP VIII
Common Stock	3,159	Indirect	Directly owned by AFF VIII
Common Stock	13,660	Indirect	Directly owned by EP VIII-A
Common Stock	6,921	Indirect	Directly owned by EP VIII-B

Reported Derivative Holdings

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Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Stock Option (right to buy)	$27.86		2022-06-06	8,399	8,399	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2022-06-06	8,399	8,399	Direct

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.62 to $31.01, inclusive for sales on 11/8/12 . The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4
Gift of shares. No sales price is applicable to this gift.
Steven M. Krausz is a managing member of Presidio Management Group VIII, LLC ("PMG VIII"). PMG VIII is the general partner of US Venture Partners VIII, L.P. ("USVP VIII"), USVP Entrepreneur Partners VIII-A, L.P. ("EP VIII-A"), USVP Entrepreneur Partners VIII-B, L.P. ("EP VIII-B"), and USVP VIII Affiliates Fund, L.P. ("AFF VIII"), and Irwin Federman, Winston S. Fu, David E. Liddle, Paul A Matteucci, Jonathan D. Root, Christopher J. Rust, Casey M. Tansey, and Philip M. Young may be deemed to share voting and dispositive power over the shares held by USVP VIII, EP VIII-A, EP VIII-B and AFF VIII. Such persons and entities disclaim beneficial ownership of shares held by USVP VIII, EP VIII-A, EP VIII-B and AFF VIII except to the extent of any pecuniary interest therein.
This stock option vests as to 100% of the underlying shares 12 months following the vesting commencement date of June 7, 2012. This stock option is subject to accelerated vesting as to 100% of such shares following a change in control of the Issuer.