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 * PITTENGER RICHARD   2. Issuer Name and Ticker or Trading Symbol Rocket Fuel Inc. [FUEL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, Engineering (Last) (First) (Middle) 2000 SEAPORT BLVD., SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 09/06/2017 (Street) REDWOOD CITY, CA 94063 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 09/06/2017   D   6,000 (1) (2) D (3) 0 D

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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

Employee Stock Option (right to buy)

$ 2.7

09/06/2017

D

325,000

(4)

09/19/2026

Common Stock

325,000

$ 0

0

D

Employee Stock Option (right to buy)

$ 2.31

09/06/2017

D

62,500

(4)

02/07/2027

Common Stock

62,500

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PITTENGER RICHARD 2000 SEAPORT BLVD., SUITE 400 REDWOOD CITY, CA 94063			SVP, Engineering

Signatures

/s/ Ken Scully, as Attorney-in-Fact		09/06/2017
**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)	Includes 3,000 shares acquired under the Rocket Fuel Inc. 2013 Employee Stock Purchase Plan on 5/31/2017.
(2)	Includes 3,000 shares acquired under the Rocket Fuel Inc. 2013 Employee Stock Purchase Plan on 8/21/2017.
(3)	Each outstanding share of the common stock of the Issuer was converted into the right to receive $2.60 per share in cash, as described in the Merger Agreement.
(4)	Each outstanding option of the Issuer was either (1) cancelled and converted automatically into the right to receive $2.60 per share in cash, (2) cancelled without any cash payment or other consideration, or (3) assumed and converted automatically into the right to receive $2.60 per share in cash, as described in the Merger Agreement.
Remarks: This Form 4 reports securities disposed pursuant to the terms of an Agreement and Plan of Merger dated as of July 17, 2017 (the "Merger Agreement"), a copy of which is filed as Exhibit 2.1 to the Issuer's Form 8-K filed with the SEC on July 18, 2017, and by which the Issuer became a wholly-owned subsidiary (the "Merger") of Sizmek Inc. ("Parent").

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