THE 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) September 30, 2005

STRUCTURED ASSET MORTGAGE INVESTMENTS II INC.

(Exact name of registrant as specified in its charter)

Delaware	333-120916	30-0183252
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
383 Madison Avenue New York, New York		10l79
(Address of Principal Executive Offices)		(Zip Code)

Registrants telephone number, including area code, is (212) 272-2000

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 (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12(b))

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 9.01		Financial Statements, Pro Forma Financial Information and Exhibits.
	(a)	Not applicable
	(b)	Not applicable
	(c)	Exhibits:

1. Pooling and Servicing Agreement, dated as of September 1, 2005, among Structured Asset Mortgage Investments II Inc., as depositor, Wells Fargo Bank, National Association, as master servicer and securities administrator, EMC Mortgage Corporation, as seller and company and U.S. Bank National Association as trustee.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on behalf of the Registrant by the undersigned thereunto duly authorized.

STRUCTURED ASSET MORTGAGE

INVESTMENTS II INC.

By:	/s/ Baron Silverstein
Name:		Baron Silverstein
Title:		Vice President

Dated: October 17, 2005

EXHIBIT INDEX

Exhibit Number	Item 601 (a) of Regulation S-K Exhibit No.	Sequentially Numbered Description	Page
1	4	Pooling and Servicing Agreement	5

EXHIBIT 1

PRIME MORTGAGE TRUST 2005-4 8-K