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): April 26, 2016

CU BANCORP

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (213) 430-7000

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

Check the appropriate box below if the Form 8-K filing is to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

On April 26, 2016 CU Bancorp (the “Company”) issued a press release setting forth its financial results for the quarter ended March 31, 2016. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The information in this report (including Exhibit 99.1) is being furnished under Item 2.02 (Results of Operations and Financial Condition) of Form 8-K. Pursuant to General Instruction B.2 of Form 8-K, the information in Items 2.02 and 9.01 in this Form 8-K, including the exhibits shall not be deemed to be “filed” with the Securities and Exchange Commission for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing, regardless of any general incorporation language in any such filing.

(d) Exhibits

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.

Exhibit Index