UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Red Robin Gourmet Burgers, Inc. (Name of Issuer) COMMON STOCK, $.001 PAR VALUE (Title of Class of Securities) 75689M101 (CUSIP Number) December 31, 2005 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in 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). CUSIP NO. 75689M101 13G Page 2 of 7 pages 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Forstmann-Leff Associates, LLC 52-2169043 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 5 SOLE VOTING POWER NUMBER OF SHARES None BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING None PERSON WITH 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER None 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON NONE (includes shares beneficially owned by FLA Asset Management, LLC) 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% 12 TYPE OF REPORTING PERSON IA, OO CUSIP NO. 75689M101 13G Page 3 of 7 pages 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON FLA Asset Management, LLC 52-2169045 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 5 SOLE VOTING POWER NUMBER OF SHARES None BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING None PERSON WITH 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER None 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 shares 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% 12 TYPE OF REPORTING PERSON IA, OO CUSIP NO. 75689M101 13G Page 4 of 7 pages Item 1(a) NAME OF ISSUER: Red Robin Gourmet Burgers, Inc. Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 6312 S. Fiddler's Green Circle, Suite 200N Greenwood Village, CO 80111 Item 2(a) NAME OF PERSON FILING: See Item 1 of the cover pages attached hereto Item 2(b) Address of Principal Business Office, or if none, residence: 590 Madison Avenue New York, New York 10022 Item 2(c) CITIZENSHIP: See Item 4 of the cover pages attached hereto Item 2(d) TITLE OF CLASS OF SECURITIES: Common Stock, $.001 par value Item 2(e) CUSIP NUMBER: 75689M101 Item 3 Forstmann-Leff Associates, LLC, a Delaware limited liability company, is a registered investment adviser under Section 203 of the Investment Advisers Act of 1940 (the "Act"). FLA Asset Management, LLC, a Delaware limited liability company, is a registered investment adviser under the Act and a subsidiary of Forstmann-Leff Associates, LLC. Page 5 of 7 pages Item 4 OWNERSHIP: (a) Amount beneficially owned: See Item 9 of the cover pages attached hereto (b) Percent of Class: See Item 11 of the cover pages attached hereto (c) See Items 5 through 8 of the cover pages attached hereto Item 5 OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: Not applicable Item 6 OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: This statement is being filed to report that as of December 31, 2005, the reporting persons ceased to be a beneficial owner of more than 5% of the Common Stock of Red Robin Gourmet Burgers, Inc. Item 7 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY: Not Applicable Item 8 IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not Applicable Item 9 NOTICE OF DISSOLUTION OF GROUP: Not Applicable Item 10 CERTIFICATION: 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. Page 6 of 7 pages SIGNATURES ---------- 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. February 9, 2006 FORSTMANN-LEFF ASSOCIATES, LLC By: /s/ Kristin Mariani Chief Compliance Officer FLA ASSET MANAGEMENT, LLC By: Forstmann-Leff Associates, LLC, its Sole Member By: /s/ Kristin Mariani Chief Compliance Officer Page 7 of 7 pages Exhibit A AGREEMENT --------- The undersigned, Forstmann-Leff Associates, LLC, and FLA Asset Management, LLC, agree that the statement to which this exhibit is appended is filed on behalf of each of them. February 9, 2006 FORSTMANN-LEFF ASSOCIATES, LLC By: /s/ Kristin Mariani Chief Compliance Officer FLA ASSET MANAGEMENT, LLC By: Forstmann-Leff Associates, LLC, its Sole Member By: /s/ Kristin Mariani Chief Compliance Officer