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): August 12, 2010

SUNESIS PHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)

Delaware	000-51531	94-3295878
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

395 Oyster Point Boulevard, Suite 400 South San Francisco, California	94080
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (650) 266-3500

Not Applicable

(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 2.02 Results of Operations and Financial Condition.

On August 12, 2010, we reported our financial results for the three months ended June 30, 2010. A copy of the press release we issued August 12, 2010 concerning the foregoing results is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

The press release is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing with the U.S. Securities and Exchange Commission made by Sunesis, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit Number	Description
99.1	Press release, dated August 12, 2010, entitled “Sunesis Pharmaceuticals Reports Second Quarter 2010 Financial Results.”

SIGNATURE

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.

	SUNESIS PHARMACEUTICALS, INC.
Dated: August 12, 2010	By:	/S/    ERIC H. BJERKHOLT
		Eric H. Bjerkholt
		Senior Vice President, Corporate Development and Finance, Chief Financial Officer and Corporate Secretary

EXHIBIT INDEX

Exhibit Number	Description
99.1	Press release, dated August 12, 2010, entitled “Sunesis Pharmaceuticals Reports Second Quarter 2010 Financial Results.”