Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
PETIT PARKER H
   2. Issuer Name and Ticker or Trading Symbol
MIMEDX GROUP, INC. [MDXG] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Executive Officer
(Last)
(First)
(Middle)
C/O MIMEDX GROUP, INC., 60 CHASTAIN CENTER BLVD., SUITE 60		 3. Date of Earliest Transaction (Month/Day/Year)
09/29/2011
(Street)

KENNESAW, GA 30144		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 09/29/2011   X   275,000 A $ 0.73 4,311,922 D (1)  
Common Stock 09/30/2011   X   93,750 A $ 0.5 4,405,672 D (1)  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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
Stock Option $ 0.73 09/29/2011   X     275,000 02/24/2009(2) 02/24/2019 Common Stock 275,000 $ 0.73 3,986,666 D  
Stock Option (Common Stock) $ 0.5 09/30/2011   X     187,500 07/31/2009(3) 07/31/2019 Common Stock 187,500 $ 0.5 3,799,166 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PETIT PARKER H
C/O MIMEDX GROUP, INC.
60 CHASTAIN CENTER BLVD., SUITE 60
KENNESAW, GA 30144		     X   Chief Executive Officer  

Signatures

 /s/ Michael J. Senken, by Power of Attorney   10/03/2011
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Number of shares held directly by Mr. Petit. Mr. Petit also beneficially owns 150,000 shares held by the Parker H. Petit Grantor Trust, of which he serves as the Trustee; 150,000 shares held by Petit Investments LP of which he serves as General Partner and Limited Partner and possesses shared voting and investment control; and 975,000 shares held by Cox Road Partners II LLP, 975,000 shares held by Cox Road Partners LLLP, and 975,000 shares held by Petit Investments LLLP II, limited liability limited partnerships over which Mr. Petit possesses sole voting and investment control.
(2) The stock option vested 70% immediately, 15% on February 24, 2010, and 15% on February 24, 2011.
(3) The stock option vests and becomes exercisable 25% upon grant and 25% on the next three anniversary dates of the grant.

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