UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.     )*

RESTORGENEX CORPORATION

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

76132G105 (common stock); 761994342 (warrant)

(CUSIP Numbers)

David E. Smith

c/o Coast Asset Management, LLC

11150 Santa Monica Boulevard, Suite 1400

Los Angeles, California 90025

(310) 576-3502

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

May 12, 2014

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

David E. Smith – 1,035,000

Shamus, LLC – 1,015,000

The Coast Fund L.P. – 1,015,000

Coast Offshore Management (Cayman), Ltd. – 1,015,000

David E. Smith – 5.5%

Shamus, LLC – 5.4%

The Coast Fund L.P. – 5.4%

Coast Offshore Management (Cayman), Ltd. – 5.4%

David E. Smith – 20,000

Shamus, LLC – 0

The Coast Fund L.P. – 0

Coast Offshore Management (Cayman), Ltd. – 0

David E. Smith – 1,015,000

Shamus, LLC – 1,015,000

The Coast Fund L.P. – 1,015,000

Coast Offshore Management (Cayman), Ltd. – 1,015,000

David E. Smith – 20,000

Shamus, LLC – 0

The Coast Fund L.P. – 0

Coast Offshore Management (Cayman), Ltd. – 0

David E. Smith – 1,015,000

Shamus, LLC – 1,015,000

The Coast Fund L.P. – 1,015,000

Coast Offshore Management (Cayman), Ltd. – 1,015,000

Instruction. For computations regarding securities which represent a right to acquire an underlying security see § 240.13d-3(d)(1).

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following  ¨.

N/A

Instruction. Dissolution of a group requires a response to this item.

If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.

N/A

If a parent holding company or control person has filed this schedule, pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company or control person has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.

N/A

If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identity of each member of the group.

N/A

Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. (See Item 5.)

N/A

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to [insert particular category of institutional investor] is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 23, 2015

The original statement shall be signed by each person on whose behalf the statement is filed or that person’s authorized representative. If the statement is signed on behalf of a person by that person’s authorized

representative other than an executive officer or general partner of the filing person, evidence of the representative’s authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath that person’s signature.

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties for whom copies are to be sent.

Attention: Intentional misstatements or omissions of fact constitute

Federal criminal violations (see 18 U.S.C. 1001).

EXHIBIT INDEX