SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* KIRK RANDAL J (Last) (First) (Middle) C/O THIRD SECURITY, LLC 1881 GROVE AVENUE (Street) RADFORD VA 24141 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol INTREXON CORP [ XON ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) Chief Executive Officer
	3. Date of Earliest Transaction (Month/Day/Year) 05/29/2019
	4. If Amendment, Date of 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

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	05/29/2019		P		50,048(1)	A	$4.68(1)	709,969	I	by Sr. Staff 2015(2)
Common Stock	05/30/2019		P		82,024(1)	A	$4.79(1)	791,993	I	by Sr. Staff 2015(2)
Common Stock	05/29/2019		P		50,048(1)	A	$4.68(1)	709,969	I	by Staff 2015(2)
Common Stock	05/30/2019		P		82,024(1)	A	$4.79(1)	791,993	I	by Staff 2015(2)
Common Stock	05/29/2019		P		25,024(1)	A	$4.68(1)	1,010,201	I	by Incentive 2010(2)
Common Stock	05/30/2019		P		41,012(1)	A	$4.79(1)	1,051,213	I	by Incentive 2010(2)
Common Stock								2,091,141	I	by Third(2)
Common Stock								14,140,139	I	by KJ(2)
Common Stock								8,325,000	I	by TSCP V(2)
Common Stock								311,287	I	by Staff 2001(2)
Common Stock								1,403	I	by Lotus(2)
Common Stock								19,711	I	by Inc 2006(2)
Common Stock								118,266	I	by Sr Staff 2006(2)
Common Stock								59,133	I	by Staff 2006(2)
Common Stock								5,483,957	I	by MK(2)
Common Stock								58,800	I	by Sr Staff(2)
Common Stock								213,805	I	by ADC 2010(2)
Common Stock								1,356,648	I	by Sr Staff 2008(2)
Common Stock								1,356,648	I	by Staff 2010(2)
Common Stock								13,340,645	I	by VI Holdings(2)
Common Stock								243,001	I	by VII Holdings(2)

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Third Security Senior Staff 2015 LLC ("Sr. Staff 2015"), Third Security Staff 2015 LLC ("Staff 2015"), Third Security Incentive 2010 LLC ("Incentive 2010") purchased shares at the same price per share.

2. Mr. Kirk controls each of Sr. Staff 2015, Staff 2015, Incentive 2010, Third Security, LLC ("Third"), Kapital Joe, LLC ("KJ"), Third Security Capital Partners V, LLC ("TSCP V"), Third Security Staff 2001 LLC ("Staff 2001"), Lotus Capital (2000) Company Inc. ("Lotus"), Third Security Incentive 2006 LLC ("Inc 2006"), Third Security Senior Staff 2006 LLC ("Sr Staff 2006"), Third Security Staff 2006 LLC ("Staff 2006"), Mascara Kaboom, LLC ("MK "), Third Security Senior Staff LLC ("Sr Staff"), ADC 2010, LLC ("ADC 2010"), Third Security Senior Staff 2008 LLC ("Sr Staff 2008"), Third Security Staff 2010 LLC ("Staff 2010"), NRM VI Holdings I, LLC ("VI Holdings") and NRM VII Holdings I, LLC ("VII Holdings"). Shares held by these entities may be deemed to be beneficially owned (as defined under Rule 13d-3 promulgated under the Securities Exchange Act of 1934, as amended) by Mr. Kirk. Mr. Kirk disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

	/s/ Randal J. Kirk	05/30/2019
	** Signature of Reporting Person	Date
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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