FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * TESSLER ALLAN R   2. Issuer Name and Ticker or Trading Symbol IMPERVA INC [IMPV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O INTERNATIONAL FINANCIAL GROUP, 2500 MOOSE-WILSON ROAD 3. Date of Earliest Transaction (Month/Day/Year) 12/18/2018 (Street) WILSON, WY 83014 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/18/2018   G(1)   897 (1) D $ 0 (2) 34,103 I See Footnote (3) Common Stock 12/18/2018   G(4)   449 (4) D $ 0 (2) 33,654 I See Footnote (5) Common Stock 12/19/2018   G(6)   1,794 (6) D $ 0 (2) 31,860 I See Footnote (7) Common Stock               13,557 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TESSLER ALLAN R C/O INTERNATIONAL FINANCIAL GROUP 2500 MOOSE-WILSON ROAD WILSON, WY 83014	X

Signatures

/s/ Shulamite White, Attorney-in-Fact		12/20/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Bona fide gift by the Reporting Person of 897 shares to the Trust for Public Land.
(2)	Price is not applicable to acquisitions or dispositions resulting from a bona fide gift.
(3)	The shares are owned of record as follows: (A) 2,353 shares are held by International Financial GP of Nevada, of which the Reporting Person is the sole owner and Chair/CEO; (B) 7,500 shares are held by the Allan R. Tessler Charitable Remainder Unitrust #1 u/a/d 121696, of which the Reporting Person is the sole trustee; (C) 7,500 Shares are held by the Allan R. Tessler Charitable Remainder Unitrust #2 u/a/d 121696, of which the Reporting Person is the sole trustee; (D) 6,750 shares are held by Tessler Family Limited of which the Reporting Person is a limited partner; and (E) 10,000 shares are held by the ART FGT Family Partners Limited, of which the Reporting Person is a limited partner.
(4)	Bona fide gift by the Reporting Person of 449 shares to the Hudson Institue.
(5)	The shares are owned of record as follows: (A) 1,904 shares are held by International Financial GP of Nevada, of which the Reporting Person is the sole owner and Chair/CEO; (B) 7,500 shares are held by the Allan R. Tessler Charitable Remainder Unitrust #1 u/a/d 121696, of which the Reporting Person is the sole trustee; (C) 7,500 Shares are held by the Allan R. Tessler Charitable Remainder Unitrust #2 u/a/d 121696, of which the Reporting Person is the sole trustee; (D) 6,750 shares are held by Tessler Family Limited of which the Reporting Person is a limited partner; and (E) 10,000 shares are held by the ART FGT Family Partners Limited, of which the Reporting Person is a limited partner.
(6)	Bona fide gift by the Reporting Person of 1,794 shares to the Grand Teton Music Festival.
(7)	The shares are owned of record as follows: (A) 110 shares are held by International Financial GP of Nevada, of which the Reporting Person is the sole owner and Chair/CEO; (B) 7,500 shares are held by the Allan R. Tessler Charitable Remainder Unitrust #1 u/a/d 121696, of which the Reporting Person is the sole trustee; (C) 7,500 Shares are held by the Allan R. Tessler Charitable Remainder Unitrust #2 u/a/d 121696, of which the Reporting Person is the sole trustee; (D) 6,750 shares are held by Tessler Family Limited of which the Reporting Person is a limited partner; and (E) 10,000 shares are held by the ART FGT Family Partners Limited, of which the Reporting Person is a limited partner.

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