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Filing Details

Issuer

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

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1535415	Karrie Forbes	C/O Mattress Firm Holding Corp. 5815 Gulf Freeway Houston TX 77023	Executive Vice President	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Acquisiton	2014-09-09	3,632	$19.00	22,548	No	4	M	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	100	$64.63	22,448	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	300	$64.67	22,148	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	500	$64.68	21,648	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	300	$64.69	21,348	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	100	$64.70	21,248	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	656	$64.70	20,592	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	400	$64.71	20,192	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	676	$64.72	19,516	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	500	$64.73	19,016	No	4	S	Indirect	By husband
Common Stock, Par Value $0.01 Per Share	Disposition	2014-09-09	100	$64.73	18,916	No	4	S	Indirect	By husband

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband
No	4	S	Indirect	By husband

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Option to Purchase Common Stock	Disposition	2014-09-09	3,632	$0.00	3,632	$19.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
11,038	2012-11-17	2021-11-17	No	4	M	Indirect

Footnotes

The shares were issued upon the exercise of options by the reporting person's husband (described in Table II) and then immediately sold.
The shares that were issued upon the exercise of options by the reporting person's husband were immediately sold, as is presented in Table I.
One-half of the options will become exercisable in five equal annual installments beginning on November 17, 2012. The remaining stock options will become exercisable in four equal annual installments beginning on November 17, 2012, provided the issuer has met or exceeded the applicable annual specified stock price increase targets. Assuming all of the targets are met, the options will become fully exercisable on November 17, 2016.
This number represents the partial exercise of options issued to the reporting person's husband on November 17, 2011 to purchase shares of common stock, par value $0.01 per share, of Mattress Firm Holding Corp.
Includes options to purchase shares of common stock, par value $0.01 per share, of Mattress Firm Holding Corp. at an exercise price of $19.00 per share.
Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in Column 2 of this Table II.