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 21, 2014

BLACKHAWK NETWORK HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation)

6220 Stoneridge Mall Road

Pleasanton, CA 94588

(Address of principal executive offices, including Zip Code)

Registrant’s telephone number, including area code: (925) 226-9990

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:

At the Blackhawk Network Holdings, Inc. (the “Company”) Annual Meeting of Stockholders held May 21, 2014 (the “Meeting”), stockholders voted on the following five proposals, as described in detail in the Company’s definitive proxy statement for the Meeting filed with the Securities and Exchange Commission on April 10, 2014.

Proposal 1: Election of Class I Directors

Each of the following nominees was elected with the following votes:

Proposal 2: Ratification of Appointment of Deloitte & Touche LLP as the Company’s Independent Registered Public Accounting Firm for the fiscal year ending January 3, 2015

Stockholders ratified the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending January 3, 2015 with the following votes:

Proposal 3: Approval, on a Non-Binding Advisory Basis, of the Compensation of the Company’s Named Executive Officers

The compensation of the Company’s named executive officers was approved, on an advisory basis. The voting results were as follows:

Proposal 4: Non-Binding Advisory Vote on the frequency of future say-on-pay votes

Stockholders selected three years as the rate of frequency of future advisory votes on executive compensation. The voting results were as follows:

In light of such vote, the Company plans to include a stockholder vote on the compensation of executives in its proxy materials every three years until the next required vote on the frequency of stockholder votes on the compensation of executives.

Proposal 5: Approval of the Company’s 2013 Equity Incentive Award Plan

Stockholders approved the Company’s 2013 Equity Incentive Award Plan. The voting results were as follows:

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.