Sec Form 4 Filing - Black James R @ MATTRESS FIRM HOLDING CORP. - 2014-12-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Black James R 2. Issuer Name and Ticker or Trading Symbol MATTRESS FIRM HOLDING CORP. [ MFRM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior Corporate Advisor (Last) (First) (Middle) C/O MATTRESS FIRM HOLDING CORP., 5815 GULF FREEWAY 3. Date of Earliest Transaction (MM/DD/YY) 12/01/2014 (Street) HOUSTON, TX77023 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.01 per share 12/01/2014 M 19,568 ( 2 ) A $ 19 346,764 D Common Stock, par value $0.01 per share 12/01/2014 S 100 ( 1 ) ( 2 ) D $ 69.295 346,664 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.53 346,464 D Common Stock, par value $0.01 per share 12/01/2014 S 594 ( 1 ) ( 2 ) D $ 69.57 345,870 D Common Stock, par value $0.01 per share 12/01/2014 S 322 ( 1 ) ( 2 ) D $ 69.58 345,548 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.585 345,348 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.59 345,148 D Common Stock, par value $0.01 per share 12/01/2014 S 300 ( 1 ) ( 2 ) D $ 69.595 344,848 D Common Stock, par value $0.01 per share 12/01/2014 S 100 ( 1 ) ( 2 ) D $ 69.6 344,748 D Common Stock, par value $0.01 per share 12/01/2014 S 400 ( 1 ) ( 2 ) D $ 69.61 344,348 D Common Stock, par value $0.01 per share 12/01/2014 S 150 ( 1 ) ( 2 ) D $ 69.62 344,198 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.625 343,998 D Common Stock, par value $0.01 per share 12/01/2014 S 206 ( 1 ) ( 2 ) D $ 69.63 343,792 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.645 343,592 D Common Stock, par value $0.01 per share 12/01/2014 S 563 ( 1 ) ( 2 ) D $ 69.65 343,029 D Common Stock, par value $0.01 per share 12/01/2014 S 300 ( 1 ) ( 2 ) D $ 69.655 342,729 D Common Stock, par value $0.01 per share 12/01/2014 S 136 ( 1 ) ( 2 ) D $ 69.66 342,593 D Common Stock, par value $0.01 per share 12/01/2014 S 300 ( 1 ) ( 2 ) D $ 69.665 342,293 D Common Stock, par value $0.01 per share 12/01/2014 S 151 ( 1 ) ( 2 ) D $ 69.68 342,142 D Common Stock, par value $0.01 per share 12/01/2014 S 78 ( 1 ) ( 2 ) D $ 69.71 342,064 D Common Stock, par value $0.01 per share 12/01/2014 S 400 ( 1 ) ( 2 ) D $ 69.72 341,664 D Common Stock, par value $0.01 per share 12/01/2014 S 200 ( 1 ) ( 2 ) D $ 69.725 341,464 D Common Stock, par value $0.01 per share 12/01/2014 S 221 ( 1 ) ( 2 ) D $ 69.73 341,243 D Common Stock, par value $0.01 per share 12/01/2014 S 379 ( 1 ) ( 2 ) D $ 69.75 340,864 D Common Stock, par value $0.01 per share 12/01/2014 S 169 ( 1 ) ( 2 ) D $ 69.76 340,695 D Common Stock, par value $0.01 per share 12/01/2014 S 284 ( 1 ) ( 2 ) D $ 69.78 340,411 D Common Stock, par value $0.01 per share 12/01/2014 S 116 ( 1 ) ( 2 ) D $ 69.79 340,295 D Common Stock, par value $0.01 per share 12/01/2014 S 300 ( 1 ) ( 2 ) D $ 69.805 339,995 D Common Stock, par value $0.01 per share 12/01/2014 S 16 ( 1 ) ( 2 ) D $ 69.81 339,979 D Common Stock, par value $0.01 per share 12/01/2014 S 238 ( 1 ) ( 2 ) D $ 69.82 339,741 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Option to Purchase Common Stock $ 19 12/01/2014 M( 3 ) 19,568 11/17/2012( 4 ) 11/17/2021 Common Stock 19,568 ( 5 ) $ 0 ( 7 ) 25,524 ( 6 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Black James R C/O MATTRESS FIRM HOLDING CORP. 5815 GULF FREEWAY HOUSTON, TX77023 Senior Corporate Advisor Signatures /s/ Jim R. Black 12/03/2014 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The sales reflected in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. ( 2 )The shares were issued upon the exercise of options by the reporting person (described in Table II) and then immediately sold. ( 3 )The shares that were issued upon the exercise of options by the reporting person were immediately sold, as is presented in Table I. ( 4 )One-half of the options will become fully exercisable in four equal annual installments beginning on November 17, 2012, provided that the issuer satisfies the applicable specified stock price increase targets. Subject to the reporting person's continued employment with the issuer, the remaining options will become exercisable in five equal annual installments beginning on November 17, 2012. Assuming all stock price increase targets are satisfied, the options will become fully exercisable on November 17, 2016. ( 5 )This number represents the partial exercise of options issued to the reporting person in November 2011 to purchase shares of common stock, par value $0.01 per share, of Mattress Firm Holding Corp. ( 6 )Includes options to purchase shares of common stock, par value $0.01 per share, of Mattress Firm Holding Corp. having varying exercise dates, expiration dates and exercise prices. ( 7 )Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in Column 2 of this Table II.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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