UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 14, 2015

INTREXON CORPORATION

(Exact Name of Registrant as Specified in Charter)

Virginia |  | 001-36042 |  | 26-0084895
(State or Other Jurisdiction of Incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

20374 Seneca Meadows Parkway, Germantown, Maryland 20876

(Address of Principal Executive Offices) (Zip Code)

(301) 556-9900

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 | Regulation FD Disclosure

On January 14, 2015, Intrexon Corporation (the “Company”) will deliver a presentation at the 2015 J.P. Morgan Healthcare Conference. The slides to be used during the presentation are furnished herewith as Exhibit 99.1 and are incorporated by reference into Item 7.01 of this Current Report on Form 8-K.

As provided in General Instruction B.2 of Form 8-K, the information in this Item 7.01 and the exhibit furnished hereunder will not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor will they be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as will be expressly set forth by specific reference in such a filing.

Item 9.01. | Financial Statements and Exhibits.

| (d) | Exhibits.

See the Exhibit Index immediately following the signature page hereto, which is incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: January 14, 2015

INTREXON CORPORATION
By: |  | /s/ Donald P. Lehr
|  | Donald P. Lehr
|  | Chief Legal Officer

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EXHIBIT INDEX

Exhibit Number |  | Description
99.1 |  | Intrexon Corporation Investor Presentation, dated January 14, 2015

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