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Filing Details

Accession Number:: 0001144204-16-108840
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2016-06-20 08:30:17
Reporting Period:: 2016-06-16

Filing Date:: 2016-06-20
Accepted Time:: 2016-06-20 08:30:17
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
1572610	J. David Millstone	9 West 57Th Street, 30Th Floor 30Th Floor New York NY 10019	No	No	Yes	No
1572723	S. David Winter	9 West 57Th Street 30Th Floor New York NY 10019	No	No	Yes	No
1652261	40 North Latitude Fund Lp	9 West 57Th Street 30Th Floor New York NY 10019	No	No	Yes	No
1663556	40 North Gp Iii Llc	9 West 57Th Street 30Th Floor New York NY 10019	No	No	Yes	No
1663558	40 North Latitude Spv-B Llc	9 West 57Th Street 30Th Floor New York NY 10019	No	No	Yes	No
1663559	Ltd. Fund Master Latitude North 40	9 West 57Th Street 30Th Floor New York NY 10019	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, $0.01 Par Value	Acquisiton	2016-06-16	61,000	$32.46	1,369,761	No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.
Common Stock, $0.01 Par Value	Acquisiton	2016-06-17	64,051	$32.39	1,433,812	No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.
Common Stock, $0.01 Par Value	Acquisiton	2016-06-17	3,905	$32.86	1,437,717	No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.
No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.
No	4	P	Indirect	By 40 North Latitude Master Fund Ltd.

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, $0.01 Par Value	2,499,256	Indirect	By 40 North Latitude SPV-B LLC

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.92 to $32.55. The Reporting Persons (as defined in footnote 2 below) undertake to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes 1, 5 and 6 to this Form 4.
In addition to 40 North Latitude Fund LP, a Delaware limited partnership ("40 North Latitude Feeder"), this Form 4 is being filed jointly by 40 North Latitude Master Fund Ltd., a Cayman Islands exempted company incorporated with limited liability ("40 North Latitude Master"), 40 North Latitude SPV-B LLC, a Delaware limited liability company ("40 North Latitude SPV"), 40 North GP III LLC, a Delaware limited liability company ("40 North GP III"), David S. Winter, an American citizen, and David J. Millstone, an American citizen (all of the foregoing, collectively, the "Reporting Persons"), each of whom has the same business address as 40 North Latitude Feeder.
The securities reported on this Form 4 (the "Subject Securities") are held directly by (a) 40 North Latitude Master, for which 40 North Latitude Feeder serves as a feeder fund (1,437,717 shares), and (b) 40 North Latitude SPV, a subsidiary of 40 North Latitude Master (2,499,256 shares). 40 North GP III is the general partner of 40 North Latitude Feeder, and Messrs. Winter and Millstone are the principals of 40 North GP III and 40 North Latitude SPV.
40 North Latitude SPV, 40 North Latitude Master and 40 North Latitude Feeder, as pooled investment vehicles with direct and indirect holdings, respectively, in the Subject Securities; 40 North GP III, as the general partner of 40 North Latitude Feeder; and Messrs. Winter and Millstone, as the principals of 40 North GP III; in each case, may be deemed to beneficially own the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Each of the Reporting Persons disclaims beneficial ownership of the Subject Securities except to the extent of any pecuniary interest therein.
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.66 to $32.66.
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $32.67 to $33.20.