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

Results of 2016 Annual Meeting of Shareholders

On May 24, 2016, Sun Bancorp, Inc. (the “Company”) held its Annual Meeting of Shareholders (the “Meeting”). As of the close of business on the record date for the Meeting, there were a total of 18,783,184 shares of common stock outstanding and entitled to vote at the Meeting. At the Meeting, 15,128,458 shares of common stock were represented in person or by proxy, therefore a quorum was present. Two proposals were presented and voted on. Set forth below are the final results for all proposals.

First Proposal – Election of Eleven Directors

The following eleven directors were nominated to serve for one-year terms expiring at the annual meeting of shareholders to be held in 2017, or until their successors shall have been duly elected and qualified. The eleven directors received the requisite plurality of votes cast at the Meeting, as indicated below, and were therefore elected to serve as directors of the Company. The voting results for each director nominee also represent a majority of votes cast with respect to his or her election.

Second Proposal – Ratification of the Appointment of Deloitte & Touche LLP as the Independent Registered Public Accounting Firm of the Company for the Fiscal Year Ending December 31, 2016

The ratification of the appointment of Deloitte & Touche LLP as the independent registered public accounting firm of the Company for the fiscal year ending December 31, 2016 was approved by the requisite majority of the votes cast by shareholders present at the Meeting, in person or by proxy, as indicated below.

For: 15,109,426

Against: 15,584

Abstained: 3,448

Broker non-vote: 0

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.