FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Reed Thomas D. 2. Date of Event Requiring Statement (Month/Day/Year) 08/07/2013 3. Issuer Name and Ticker or Trading Symbol INTREXON CORP [XON] (Last) (First) (Middle) 20374 SENECA MEADOWS PARKWAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Science Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) GERMANTOWN, MD 20876 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 78,400 I By trust (1) Common Stock 253,005 I By trust of spouse (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option to Purchase Common Stock	  (3)	12/05/2021	Common Stock	61,943	$ 7.12	D	Â
Option to Purchase Common Stock	  (3)	11/15/2017	Common Stock	28,571	$ 2.74	D	Â
Option to Purchase Common Stock	  (3)	02/20/2018	Common Stock	8,571	$ 2.74	D	Â
Option to Purchase Common Stock	  (3)	07/09/2017	Common Stock	2,857	$ 3.29	D	Â
Series D Convertible Preferred Stock	  (4)	  (4)	Common Stock	904	$ (4)	I	By trust (1)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Reed Thomas D. 20374 SENECA MEADOWS PARKWAY GERMANTOWN, MD 20876	  X	Â	  Chief Science Officer	Â

Signatures

/s/ Thomas D. Reed		08/07/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	Shares issued to Thomas David Reed, Trustee of the Thomas David Reed Living Trust dated February 4, 2011.
(2)	Shares issued to Thomas D. Reed's spouse, Jacquelyn Ann Reed, Trustee of the Jacquelyn Ann Reed Living Trust dated Febrary 4, 2011.
(3)	These options are immediately exercisable.
(4)	The Series D Convertible Preferred Stock is convertible into Common Stock on a 1-for-1.75 basis into the number of shares of Common Stock as shown in column 3 at any time at the holder's election, and automatically upon (i) the closing of the Issuer's firm commitment underwritten initial public offering in the event it results in net proceeds of at least $100,000,000 and (ii) upon the election of the holders of a majority of the then outstanding shares of such series. Upon conversion, all dividends that have accrued with respect to Series D Preferred Stock will convert into shares of Common Stock at the then current fair market value. The Series D Convertible Preferred Stock has no expiration date.

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