_________________________________________________

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES AND EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported)

March 30, 2004

GS Mortgage Securities Corp.

(Exact Name of Registrant as Specified in its Charter)

Delaware

333-100818

13-6357101

(State or Other Jurisdiction

Of Incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

85 Broad Street

New York, New York

10004

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s telephone number, including area code: (212) 902-1000

None

(Former Name or Former Address, if Changed Since Last Report)

Item 5. Other Events.

The Registrant registered issuances of Mortgage Pass-Through Certificates, Series 2004-SEA1 on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended, by a Registration Statement on Form S-3 (Registration File No. 333-100818) (the “Registration Statement”). Pursuant to the Registration Statement, the Registrant issued $127,402,000 aggregate principal amount of Class A-1A, Class A-1B, Class A-2, Class M-1, Class M-2, Class B-1, Class B-2 and B-3 Certificates (the “Publicly Offered Certificates”) on March 30, 2004. This Current Report on Form 8-K is being filed to satisfy an undertaking, contained in the definitive Prospectus dated March 24, 2004, as supplemented by the Prospectus Supplement dated March 26, 2004, to file a copy of the Trust Agreement (as defined below) and other operative agreements executed in connection with the issuance of the Publicly Offered Certificates, a form of which was filed as an exhibit to the Registration Statement.

The Publicly Offered Certificates were issued pursuant to a Trust Agreement (the “Trust Agreement”), attached hereto as Exhibit 4.5.1, dated as of March 1, 2004, among GS Mortgage Securities Corp., as depositor, Chase Manhattan Mortgage Corporation, as master servicer, JP Morgan Chase Bank, as securities administrator and custodian, and Wachovia Bank, National Association, as Trustee. The “Certificates” consist of the Publicly Offered Certificates and the Class X, Class P and Class R Certificates. The Certificates evidence all of the beneficial ownership interest in a trust fund that consists primarily of a pool of certain conventional, fixed rate, residential mortgage loans with an aggregate outstanding principal balance of approximately $123,365,405 as of March 1, 2004, together with certain other assets. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to them in the Trust Agreement.

Item 7. Financial Statements; Pro Forma Financial Information and Exhibits

(a)

Not applicable.

(b)

Not applicable.

(c)

Exhibits:

4.5.1

Trust Agreement, dated as of March 1, 2004, among GS Mortgage Securities Corp., as depositor, Chase Manhattan Mortgage Corporation, as master servicer, JP Morgan Chase Bank, as securities administrator and custodian, and Wachovia Bank, National Association, as 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.

GS MORTGAGE SECURITIES CORP.

By: /s/ Christopher Gething

Name: Christopher Gething

Title: Vice President

Dated: March 30, 2004

EXHIBIT INDEX

Exhibit No.

Description

Page No.

4.5.1

Trust Agreement, dated as of March 1, 2004, among GS Mortgage Securities Corp., as depositor, Chase Manhattan Mortgage Corporation, as master servicer, JP Morgan Chase Bank, as securities administrator, and Wachovia Bank, National Association, as Trustee

GS MORTGAGE SECURITIES CORP GSAMP TRUST 2004-SEA1 8-K