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): May 16, 2013

HYPERION THERAPEUTICS, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware	001-35614	61-1512713
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

601 Gateway Boulevard, Suite 200

South San Francisco, California 94080

(Address of principal executive offices, zip code)

Registrant’s telephone number, including area code: (650) 745-7802

(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 8.01. Other Events.

On May 16, 2013, Hyperion Therapeutics, Inc. (the “Company”) issued a press release announcing that it has been selected for addition to the NASDAQ Biotechnology Index, effective prior to the market open on Monday, May 20, 2013. A copy of the Company’s press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information disclosed under this Item 8.01, including Exhibit 99.1 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended, except as expressly set forth in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number	Description
99.1	Press Release, dated May 16, 2013.

SIGNATURES

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

Dated: May 16, 2013	Hyperion Therapeutics, Inc.
	By:	/s/ Jeffrey S. Farrow
		Jeffrey S. Farrow
		Chief Financial Officer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release, dated May 16, 2013.