UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934

(Amendment No. 10)*

COST PLUS, INC.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

221485105

(CUSIP Number)

Red Mountain Capital Partners LLC

Attn: Willem Mesdag

10100 Santa Monica Boulevard, Suite 925

Los Angeles, California 90067

Telephone (310) 432-0200

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

June 29, 2012

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. ¨

Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 2 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Red Mountain Capital Partners LLC 73-1726370
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) x (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* OO – Limited Liability Company

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 3 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Red Mountain Capital Partners II, L.P. 20-4117535
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) x (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS* WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* PN – Limited Partnership

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 4 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Red Mountain Capital Partners III, L.P. 20-5329858
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) x (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS* WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* PN – Limited Partnership

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 5 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) RMCP GP LLC 20-4442412
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) x (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* OO – Limited Liability Company

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 6 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Red Mountain Capital Management, Inc. 13-4057186
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* CO – Corporation

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 7 OF 12 PAGES


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Willem Mesdag
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION U.S. Citizen
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER None (See Item 5)
		8	SHARED VOTING POWER None (See Item 5)
		9	SOLE DISPOSITIVE POWER None (See Item 5)
		10	SHARED DISPOSITIVE POWER None (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* ¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) None (See Item 5)
14.	TYPE OF REPORTING PERSON* IN – Individual

*	See Instructions


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 8 OF 12 PAGES

This Amendment No. 10 amends and supplements the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on September 18, 2006, as amended by Amendment No. 1 thereto, filed with the SEC on December 6, 2006, Amendment No. 2 thereto, filed with the SEC on December 22, 2006, Amendment No. 3 thereto, filed with the SEC on January 8, 2007, Amendment No. 4 thereto, filed with the SEC on April 18, 2007, Amendment No. 5 thereto, filed with the SEC on August 27, 2007, Amendment No. 6 thereto, filed with the SEC on September 6, 2007, Amendment No. 7 thereto, filed with the SEC on December 12, 2007, Amendment No. 8 thereto, filed with the SEC on June 7, 2011, and Amendment No. 9 thereto, filed with the SEC on May 11, 2012 (together, this “Schedule 13D”), by (i) Red Mountain Capital Partners LLC, a Delaware limited liability company (“RMCP LLC”), (ii) Red Mountain Capital Partners II, L.P., a Delaware limited partnership (“RMCP II”), (iii) Red Mountain Capital Partners III, L.P., a Delaware limited partnership (“RMCP III”), (iv) RMCP GP LLC, a Delaware limited liability company (“RMCP GP”), (v) Red Mountain Capital Management, Inc., a Delaware corporation (“RMCM”), and (vi) Willem Mesdag, a natural person and citizen of the United States of America, with respect to the common stock, par value $0.01 per share (the “Common Stock”), of Cost Plus, Inc., a California corporation (“Cost Plus”). RMCP LLC, RMCP II, RMCP III and RMCP GP are sometimes collectively referred to herein as “Red Mountain.” Red Mountain, RMCM and Mr. Mesdag are sometimes collectively referred to herein as the “Reporting Persons.” The filing of any amendment to this Schedule 13D (including the filing of this Amendment No. 9) shall not be construed to be an admission by the Reporting Persons that a material change has occurred in the facts set forth in this Schedule 13D or that such amendment is required under Rule 13d-2 of the Securities Exchange Act of 1934, as amended.

ITEM 4.

PURPOSE OF TRANSACTION.

Item 4 of this Schedule 13D is hereby amended to include the following information:

As previously disclosed, Bed Bath & Beyond Inc. (“BBBY”), Cost Plus and Blue Coral Acquisition Corp. (“Blue Coral”), a wholly owned subsidiary of BBBY, entered into an Agreement and Plan of Merger on May 8, 2012, pursuant to which Blue Coral would merge with and into Cost Plus, subject to certain terms and conditions (the “Acquisition”).

The Acquisition was consummated on June 29, 2012. As a result, pursuant to the terms and conditions of the Acquisition, the Reporting Persons ceased to beneficially own any shares of Common Stock.

ITEM 5.

INTEREST IN SECURITIES OF THE ISSUER.

Items 5(a) and 5(b) of this Schedule 13D is hereby amended and restated as follows:


(a)-(b)		No Reporting Person beneficially owns any shares of Common Stock.

		Each of RMCP LLC, RMCP II, RMCP III and RMCP GP affirms membership in a group with each other but disclaims membership in a group with RMCM or Mr. Mesdag. Each of RMCM and Mr. Mesdag disclaims membership in a group with any person.

		The filing of this Schedule 13D shall not be construed as an admission that any Reporting Person is the beneficial owner of any of the shares of Common Stock that such Reporting Person may be deemed to beneficially own. In addition, the filing of this Schedule 13D shall not be construed as an admission that any partner, member, director, officer or affiliate of any Reporting Person is the beneficial owner of any of the shares of Common Stock that such partner, member, director, officer or affiliate may be deemed to beneficially own.

Items 5(c) of this Schedule 13D is hereby amended to include the following information:


(c)		The information set forth in Item 4 above is hereby incorporated by reference in response to this Item 5(c).


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 9 OF 12 PAGES

Items 5(e) of this Schedule 13D is hereby amended to include the following information:


(e)		The Reporting Persons ceased be beneficial owners of more than 5% of the Common Stock on June 29, 2012.


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 10 OF 12 PAGES

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: July 2, 2012


RED MOUNTAIN CAPITAL PARTNERS LLC

/s/ Willem Mesdag
By:	Willem Mesdag
Title:	Authorized Signatory

RED MOUNTAIN CAPITAL PARTNERS II, L.P.

By:	RMCP GP LLC, its general partner

	/s/ Willem Mesdag
	By:	Willem Mesdag
	Title:	Authorized Signatory

RED MOUNTAIN CAPITAL PARTNERS III, L.P.

By:	RMCP GP LLC, its general partner

	/s/ Willem Mesdag
	By:	Willem Mesdag
	Title:	Authorized Signatory

RMCP GP LLC

/s/ Willem Mesdag
By:	Willem Mesdag
Title:	Authorized Signatory


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 11 OF 12 PAGES


RED MOUNTAIN CAPITAL MANAGEMENT, INC.

/s/ Willem Mesdag
By:		Willem Mesdag
Title:		President

WILLEM MESDAG

/s/ Willem Mesdag


CUSIP No. 221485105		SCHEDULE 13D/A		PAGE 12 OF 12 PAGES

EXHIBIT INDEX


Exhibit No.		Description of Exhibit

1		Joint Filing Agreement, dated as of September 18, 2006, by and among the Reporting Persons (incorporated by reference to Exhibit 1 to the Schedule 13D filed by the Reporting Persons with the SEC on September 18, 2006).

2		Confidentiality and Standstill Agreement, dated as of April 11, 2007, by and among Cost Plus and the Reporting Persons (incorporated by reference to Exhibit No. 2 to Amendment No. 4 to this Schedule 13D filed by the Reporting Persons with the SEC on April 18, 2007).

3		Amendment to Confidentiality Agreement, dated as of August 22, 2007, by and among Cost Plus and the Reporting Persons (incorporated by reference to Exhibit No. 3 to Amendment No. 5 to this Schedule 13D filed by the Reporting Persons with the SEC on August 27, 2007).

4		Second Amendment to Confidentiality Agreement, dated as of December 12, 2007, by and among Cost Plus and the Reporting Persons (incorporated by reference to Exhibit No. 4 to Amendment No. 7 to this Schedule 13D filed by the Reporting Persons with the SEC on December 12, 2007).

5		Support and Tender Agreement, dated as of May 8, 2012, by and among BBBY, Blue Coral and RMCP II (incorporated by reference to Exhibit 99.2 of the Current Report on Form 8-K filed by BBBY with the SEC on May 10, 2012).

6		Support and Tender Agreement, dated as of May 8, 2012, by and among BBBY, Blue Coral and RMCP III (incorporated by reference to Exhibit 99.3 of the Current Report on Form 8-K filed by BBBY with the SEC on May 10, 2012).

COST PLUS INC/CA/ SC 13D/A