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Filing Details

Accession Number:: 0001012975-15-000290
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-04-14 15:07:22
Reporting Period:: 2015-04-13

Filing Date:: 2015-04-14
Accepted Time:: 2015-04-14 15:07:22
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1419852	Mattress Firm Holding Corp.	MFRM	Retail-Furniture Stores (5712)	000000000

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1027035	W John Childs	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	Yes	No	Yes	No
1534918	J.w. Childs Associates, Inc.	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	Yes	No	Yes	Yes
1534920	J.w. Childs Associates, L.p.	1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534973	Jwc Mattress Holdings, Llc	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534982	J.w. Childs Advisors Iii, L.p.	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1605022	Winter Street Opportunities Fund, L.p.	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2015-04-13	1,462,468	$66.47	12,713,589	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-04-13	37,532	$66.47	326,251	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote

Footnotes

Each Reporting Person (other than Mattress Holdings (as defined below)) previously reported approximately 98% of the shares held by Mattress Holdings (disclaiming any amount in which the Reporting Person had no economic interest). Each Reporting Person (other than Mattress Holdings) reported this amount because it most closely approximated its pecuniary interest. Commencing with this filing, each Reporting Person is reporting 100% of the shares held by Mattress Holdings (disclaiming any amount in which the Reporting Person has no economic interest).
Represents shares directly held by JWC Mattress Holdings, LLC ("Mattress Holdings"). Winter Street Opportunities Fund, L.P. ("WSOF") holds a majority of the membership interests in Mattress Holdings. J.W. Childs Advisors III, L.P. ("GPLP") is the general partner of WSOF. J.W. Childs Associates, L.P. ("JWC Associates LP") is the general partner of GPLP. J.W. Childs Associates, Inc. ("JWC Associates Inc.") is the general partner of JWC Associates LP and the manager of Mattress Holdings. John W. Childs is the sole shareholder of JWC Associates Inc. Each Reporting Person disclaims pecuniary interest in the reported securities except to the extent of his economic interest.
Represents shares directly held by the John W. Childs 2013 Charitable Remainder Trust. Mr. Childs is the sole trustee of the John W. Childs 2013 Charitable Remainder Trust. Mr. Childs disclaims pecuniary interest in the reported securities except to the extent of his economic interest.