8-K 1 w36090e8vk.txt FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 30, 2007 CHASE MORTGAGE FINANCE CORPORATION (as Depositor under the Pooling and Servicing Agreement and the Trust Agreement, each dated as of May 1, 2007, providing for the issuance of Chase Mortgage Finance Trust Multi-Class Mortgage Pass-Through Certificates, Series 2007-S4) Chase Mortgage Finance Trust Series 2007-S4 (Issuing Entity) Chase Mortgage Finance Corporation (Depositor) Chase Home Finance LLC (Sponsor) Chase Mortgage Finance Corporation (Registrant) Delaware 333-141145 52-1495132 (State or Other Jurisdiction (Commission (I.R.S. Employer Of Incorporation) File Number) Identification No.)

194 Wood Avenue South, 3rd Floor Iselin, New Jersey 08830 (Address of Principal Executive (Zip Code) Offices)

Registrant's telephone number, including area code: (732) 205-0600 No Change (Former Name or Former Address, if Changed Since Last Report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 8.01. Other Events The Registrant registered issuances of Chase Mortgage Finance Trust Series 2007-S4 Multi-Class Mortgage Pass-Through Certificates on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended (the "Act"), by a Registration Statement on Form S-3 (Registration File No. 333-141145 (the "Registration Statement")). Pursuant to the Registration Statement, the Registrant issued $885,566,818 in aggregate principal amount Class A-1, Class A-2, Class A-3, Class A-4, Class A-5, Class A-6, Class A-7, Class A-8, Class A-9, Class A-10, Class A-11, Class A-12, Class A-13, Class A-14, Class A-15, Class A-16, Class A-17, Class A-18, Class A-19, Class A-X, Class A-P, Class A-R, Class M, Class B-1 and Class B-2 Certificates of its Chase Mortgage Finance Trust Series 2007-S4 Multi-Class Mortgage Pass-Through Certificates, Series 2007-S4 on May 30, 2007. This Current Report on Form 8-K is being filed to satisfy an undertaking, contained in the definitive Prospectus, dated April 17, 2007, as supplemented by the Prospectus Supplement, dated May 29, 2007 (collectively, the "Prospectus Supplement"), to file a copy of the Pooling and Servicing Agreement (as defined below) executed in connection with the issuance of the Certificates, a form of which was filed as an exhibit to the Registration Statement. The Certificates (as defined below) were issued pursuant to a Pooling and Servicing Agreement or a Trust Agreement, attached hereto as Exhibits 4.1 and 99.2, respectively. The Pooling and Servicing Agreement is dated as of May 1, 2007, by and among Chase Mortgage Finance Corporation, as depositor, JPMorgan Chase Bank, N.A., as servicer, JPMorgan Chase Bank, N.A., as custodian and The Bank of New York Trust Company, N.A., as paying agent and trustee. The Trust Agreement is dated as of May 1, 2007, by and among Chase Mortgage Finance Corporation, as depositor and The Bank of New York Trust Company, N.A., as paying agent and trustee. The Certificates (consisting of the classes listed above and the Class B-3, Class B-4 and Class B-5 Certificates) evidence all the beneficial ownership interest in a trust fund (the "Trust Fund") that consists primarily of a pool of certain fixed rate, first lien residential mortgage loans (the "Mortgage Loans") with an aggregate outstanding principal balance of approximately $890,016,924 as of May 1, 2007. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to them in the Pooling and Servicing Agreement. The Mortgage Loan Sale Agreement, dated as of May 1, 2007, between Chase Home Finance LLC and Chase Mortgage Finance Corporation is attached hereto as Exhibit 99.1. Item 9.01. Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits: 4.1 Pooling and Servicing Agreement, dated as of May 1, 2007, among Chase Mortgage Finance Corporation, as Depositor, JPMorgan Chase Bank, N.A., as Servicer, JPMorgan Chase Bank, N.A., as Custodian and The Bank of New York Trust Company, N.A., as Paying Agent and Trustee. 99.1 Mortgage Loan Sale Agreement, dated as of May 1, 2007, between Chase Home Finance LLC and Chase Mortgage Finance Corporation. 99.2 Trust Agreement, dated as of May 1, 2007, among Chase Mortgage Finance Corporation, as Depositor and The Bank of New York Trust Company, N.A., as Paying Agent and Trustee. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CHASE MORTGAGE FINANCE CORPORATION By: /s/ Bruce Friedman ------------------------------------ Name: Bruce Friedman Title: Authorized Signatory Dated: June 14, 2007 EXHIBIT INDEX

Chase Mortgage Finance Trust Series 2007-S4 8-K