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SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13E-3

(RULE 13e-100)

(Amendment No. 4)

TRANSACTION STATEMENT UNDER SECTION 13(e) OF THE
SECURITIES EXCHANGE ACT OF 1934 AND RULE 13e-3 THEREUNDER

RULE 13e-3 TRANSACTION STATEMENT UNDER
SECTION 13(e) OF THE SECURITIES EXCHANGE ACT OF 1934

SHELTER PROPERTIES IV LIMITED PARTNERSHIP

(Name of the Issuer)

SHELTER PROPERTIES IV LIMITED PARTNERSHIP
SHELTER REALTY IV CORPORATION
AIMCO/IPT, INC.
AIMCO PROPERTIES, L.P.
AIMCO-GP, INC.
APARTMENT INVESTMENT AND MANAGEMENT COMPANY
AIMCO SHELTER MERGER SUB LLC

(Name of Person(s) Filing Statement)

Units of Limited Partnership Interest

(Title of Class of Securities)

None

(CUSIP Number of Class of Securities)

John Bezzant
Senior Vice President
Apartment Investment and Management Company
4582 South Ulster Street Parkway, Suite 1100
Denver, Colorado 80237
(303) 757-8101
(Name, Address, and Telephone Numbers of Person Authorized to Receive Notices
and Communications on Behalf of the Persons Filing Statement)

WITH COPIES TO:
Paul J. Nozick
Alston & Bird LLP
One Atlantic Center
1201 West Peachtree Street
Atlanta, GA 30309
(404) 881-7000

This statement is filed in connection with (check the appropriate box):

a. þ The filing of solicitation materials or an information statement subject to Regulation 14A, Regulation 14C or Rule 13e-3(c) under the Securities Exchange Act of 1934.

b. þ The filing of a registration statement under the Securities Act of 1933.

c. o A tender offer.

d. o None of the above.

Check the following box if the soliciting materials or information statement referred to in checking box (a) are preliminary copies: o

Check the following box if the filing is a final amendment reporting the results of the transaction: þ

Calculation of Filing Fee


Transaction Valuation*		Amount of Filing Fee**

$60,000		$4.28


*		For purposes of calculating the fee only. This amount was calculated by multiplying the 13,345 limited partnership units held by limited partners unaffiliated with AIMCO Properties, L.P. by $4.50 per limited partnership unit.

**		Calculated by multiplying the transaction valuation of $60,000 by 0.0000713

þ		Check the box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.


Amount Previously Paid: $4.28 Form or Registration No.: Form S-4 (Reg. No. 333-169871)		Filing Party: Apartment Investment and Management Company; Aimco Properties, L.P. Date Filed: October 12, 2010

TRANSACTION STATEMENT UNDER SECTION 13(e) OF
THE SECURITIES EXCHANGE ACT OF 1934 AND RULE 13e-3 THEREUNDER

This Amendment No. 4 to the Rule 13e-3 Transaction Statement on Schedule 13E-3 (this “Schedule 13e-3”) is being filed solely to report the results of the Rule 13e-3 transaction subject to the Schedule 13e-3.

On February 11, 2011, the merger of Shelter Properties IV Limited Partnership, a South Carolina limited partnership (“Shelter”), with AIMCO Shelter Merger Sub LLC, a South Carolina limited liability company (“Merger Subsidiary”), was completed, pursuant to the merger agreement (the “Merger Agreement”) dated February 11, 2011 by and among Shelter, Merger Subsidiary, and Aimco Properties, L.P., a Delaware limited partnership and the sole member of Merger Subsidiary (“Aimco OP”).

In the merger, Merger Subsidiary was merged with and into Shelter and each limited partnership unit of Shelter outstanding immediately prior to the consummation of the merger, except those held by limited partners who perfected their appraisal rights pursuant to the Merger Agreement, was converted into the right to receive, at the election of the limited partner, either (i) $4.50 in cash (the “Cash Consideration”) or (ii) 0.18 partnership common units of Aimco OP. Those limited partners who do not make an election will be deemed to have elected to receive the Cash Consideration.

In the merger, Aimco OP’s membership interest in Merger Subsidiary was converted into Shelter limited partnership units. As a result of the merger, Aimco OP is now the sole limited partner in Shelter, holding all outstanding limited partnership units. Shelter Realty IV Corporation continues to be the corporate general partner of Shelter, and Shelter’s agreement of limited partnership in effect immediately prior to the merger remains unchanged after the merger.

SIGNATURE