AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 21, 2009 1933 ACT FILE NO. 333-_________ 1940 ACT FILE NO. 811 - 03763 ================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ----------------------- REGISTRATION STATEMENT ON FORM S-6 ------------------------ FOR REGISTRATION UNDER THE SECURITIES ACT OF 1933 OF SECURITIES OF UNIT INVESTMENT TRUSTS REGISTERED ON FORM N-8B-2 A. EXACT NAME OF TRUST: CLAYMORE SECURITIES DEFINED PORTFOLIOS, SERIES 586 B. NAME OF DEPOSITOR: CLAYMORE SECURITIES, INC. C. COMPLETE ADDRESS OF DEPOSITOR'S PRINCIPAL EXECUTIVE OFFICES: Claymore Securities, Inc. 2455 Corporate West Drive Lisle, Illinois 60532 D. NAME AND COMPLETE ADDRESS OF AGENT FOR SERVICE: Copies to: KEVIN ROBINSON, ESQ. ERIC F. FESS Senior Managing Director, General Chapman and Cutler LLP Counsel and Secretary 111 West Monroe Street Claymore Securities, Inc. Chicago, Illinois 60603 2455 Corporate West Drive (312) 845-3000 Lisle, Illinois 60532 (630) 505-3736 It is proposed that this filing will become effective (check appropriate box) / / immediately upon filing pursuant to paragraph (b) / / on (date) pursuant to paragraph (b) / / 60 days after filing pursuant to paragraph (a) / / on (date) pursuant to paragraph (a) of rule 485 or 486 / / This post-effective amendment designates a new effective date for a previously filed post-effective amendment. E. TITLE OF SECURITIES BEING REGISTERED: Units of fractional undivided beneficial interest. F. APPROXIMATE DATE OF PROPOSED SALE TO PUBLIC: As soon as practicable after the effective date of the Registration Statement. / / Check box if it is proposed that this filing will become effective on (date) at (time) pursuant to Rule 487. ================================================================================ The registration hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a) may determine. CONTENTS OF REGISTRATION STATEMENT A. Bonding Arrangements of Depositor: The Depositor has obtained the following Securities Dealer Blanket Bond for its officers, directors and employees: INSURER/POLICY NO. AMOUNT National Union Fire Insurance Company of Pittsburgh, Pennsylvania $250,000 959-9000 This Registration Statement comprises the following papers and documents. The Facing Sheet The Prospectus The Signatures Consents of Counsel The following exhibits: 1.1 Reference Trust Agreement (to be supplied by amendment). 1.1.1 Standard Terms and Conditions of Trust (Reference is made to Exhibit 1.1.1 to Amendment No. 1 to the Registration Statement on Form S-6 for Claymore Securities Defined Portfolios, Series 118 (File No. 333-81826) filed on February 6, 2002. 2.1 Code of Ethics (Reference is made to Exhibit 2.1 to the Registration Statement on Form S-6 for Claymore Securities Deferred Portfolios, Series 213 (File No. 333-122184 filed on February 9, 2005). 3.1 Opinion of counsel as to legality of the securities being registered including a consent to the use of its name in the Registration Statement (to be supplied by amendment). 3.2 Opinion of counsel as to the Trustee and the Trust (s) including a consent to the use of its name in the Registration Statement (to be supplied by amendment). 4.1 Consent of Independent Registered Public Accounting Firm (to be supplied by amendment). SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant, Claymore Securities Defined Portfolios, Series 586 has duly caused this Registration Statement to be signed on its behalf by the undersigned thereunto duly authorized, in the City of Lisle, and State of Illinois, on the 21st day of April, 2009. CLAYMORE SECURITIES DEFINED PORTFOLIOS, SERIES 586 Registrant By: CLAYMORE SECURITIES, INC. Depositor By: /s/ Kevin Robinson ---------------------- Kevin Robinson Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below on April 21, 2009 by the following persons, who constitute a majority of the Board of Directors of Claymore Securities, Inc. SIGNATURE* TITLE*** DATE CHRISTIAN MAGOON** President ) By: /s/ Kevin Robinson ------------------ ) Kevin Robinson ) Attorney-in-Fact* ) DAVID HOOTEN* Chief Executive Officer and ) April 21, 2009 Chairman of the Board of ) Directors ) MICHAEL RIGERT* Vice Chairman ) April 21, 2009 ANTHONY DILEONARDI* Vice Chairman ) April 21, 2009 BRUCE ALBELDA* Chief Financial Officer and April 21, 2009 Director /s/ Kevin Robinson KEVIN ROBINSON Senior Managing Director, April 21, 2009 General Counsel and Secretary - ------------------- * An executed copy of the related power of attorney was filed as Exhibit 6.0 to Registration Statement No. 333-149523 on April 9, 2008. ** An executed copy of the related power of attorney was filed as Exhibit 6.0 to Registration Statement No. 333-150840 on June 2, 2008. *** The titles of the persons named herein represent their capacity in and relationship to Claymore Securities, Inc., the Depositor. CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM The consent of Grant Thornton LLP to the use of its report and to the reference to such firm in the Prospectus included in the Registration Statement will be filed as Exhibit 4.1 to the Registration Statement. CONSENT OF CHAPMAN AND CUTLER LLP The consent of Chapman and Cutler LLP to the use of its name in the Prospectus included in the Registration Statement will be contained in its opinion to be filed as Exhibit 3.1 to the Registration Statement. CONSENT OF DORSEY & WHITNEY LLP The consent of Dorsey & Whitney LLP to the use of its name in the Prospectus included in the Registration Statement will be contained in its opinion to be filed as Exhibit 3.2 to the Registration Statement. MEMORANDUM Re: Claymore Securities Defined Portfolios, Series 586 The list of securities comprising the trust of the fund, the evaluation, record and distribution dates and other changes pertaining specifically to the new series, such as size and number of units of the trust in the fund and the statement of financial condition of the new fund will be filed by amendment. 1940 ACT FORMS N-8A AND N-8B-2 Form N-8A and Form N-8B-2 were filed in respect of Claymore Securities Defined Portfolios, Series 118 (and subsequent series) (File No. 333-81826). 1933 ACT THE INDENTURE The form of the proposed Standard Terms and Conditions of Trust is expected to be in all respects consistent with the form of the Standard Terms and Conditions of Trust dated February 6, 2002 relative to Claymore Securities Defined Portfolios, Series 118. CHAPMAN AND CUTLER LLP Chicago, Illinois April 21, 2009