MIMEDX GROUP, INC. — Director's Dealing 2011

Oct 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MIMEDX GROUP, INC. (MDXG)
CIK: 0001376339
Period of Report: 2011-09-29

Reporting Person: PETIT PARKER H (Chief Executive Officer, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-09-29	Common Stock	X	275000	$.73	Acquired	4311922	Direct
2011-09-30	Common Stock	X	93750	$.50	Acquired	4405672	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-09-29	Stock Option	$.73	X	275000	Disposed	2019-02-24	Common Stock (275000)	Direct
2011-09-30	Stock Option (Common Stock)	$.50	X	187500	Disposed	2019-07-31	Common Stock (187500)	Direct

Footnotes

F1: 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.

F2: The stock option vested 70% immediately, 15% on February 24, 2010, and 15% on February 24, 2011.

F3: The stock option vests and becomes exercisable 25% upon grant and 25% on the next three anniversary dates of the grant.