FUEL Rocket Fuel Inc.

CUSIP No.: 773111 109

13G

1

Names of Reporting Persons:
George H. John

2

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3

SEC Use Only

4

Citizenship or Place of Organization:
United States

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:

5

Sole Voting Power:
0 shares

6

Shared Voting Power:
2,231,863 shares

7

Sole Dispositive Power:
0 shares

8

Shared Dispositive Power:
2,231,863shares

9

Aggregate Amount Beneficially Owned by Each Reporting Person:
2,231,863

10

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11

Percent of Class Represented by Amount in Row (9):
4.90%

12

Type of Reporting Person (See Instructions):
IN

CUSIP No.: 773111 109

13G

Item 1.

(a)

Name of Issuer:
Rocket Fuel Inc.

(b)

Address of Issuer’s Principal Executive Offices:
2000 Seaport Blvd.
Redwood City, CA 94063

Item 2.

(a)

Name of Person Filing:
George H. John, Ph.D

(b)

Address of Principal Business Office or, if none, Residence:
50 Woodside Plaza #449,
Redwood City, CA 94061

(c)

Place of Organization or Citizenship:
United States

(d)

Title of Class of Securities:
Common Stock, $0.001 par value per share

(e)

CUSIP Number:
773111 109

Item 3.

Not Applicable

CUSIP No.: 773111 109

13G

Item 4.

Ownership:

(a)

Amount beneficially owned as of December 31, 2015:   

2,231,863*

* Consists of 2,231,863 shares held by Dr. John in joint tenancy with his spouse, Vida T. John. Note: prior year beneficial ownership of 3,302,610 shares included 988,282 shares issuable to Dr. John pursuant to outstanding options which expired unexercised.

(b)

Percent of class:   

4.90%*

* The percentage is calculated based on 45,582,944 outstanding shares reported in the company’s 10-Q filed November 8, 2016.

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote:   

0

(ii)

Shared power to vote or to direct the vote:    

2,231,863

(iii)

Sole power to dispose or to direct the disposition of:   

0

(iv)

Shared power to dispose or to direct the disposition of:   

2,231,863

Item 5.

Ownership of Five Percent or Less of a Class:

This statement is being filed to report the fact that the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities.   o .

Item 6.

Ownership of More than Five Percent on Behalf of Another Person:

Not applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person:

Not applicable

Item 8.

Identification and Classification of Members of the Group:

Not applicable.

Item 9.

Notice of Dissolution of Group:

Not applicable

CUSIP No.: 773111 109

13G

Item 10.

Certifications

Not applicable.

/s/ George H. John

George H. John, Ph.D