As filed with the Securities and Exchange Commission on April 18, 2013

Registration No. 333-

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

BLACKHAWK NETWORK HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

6220 Stoneridge Mall Road

Pleasanton, CA 94588

(925) 226-9990

(Address, including zip code, and telephone number, including area code, of Registrant’s principal executive offices)

David E. Durant

Secretary and General Counsel

Blackhawk Network Holdings, Inc.

6220 Stoneridge Mall Road

Pleasanton, CA 94588

(925) 226-9990

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this Registration Statement.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.    ¨

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    x 333-187325

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

CALCULATION OF REGISTRATION FEE

The Registration Statement shall become effective upon filing in accordance with Rule 462(b) promulgated under the Securities Act of 1933, as amended.

EXPLANATORY NOTE AND INCORPORATION BY REFERENCE

This registration statement is being filed with respect to the registration of additional shares of Class A common stock, par value $0.001 per share, of Blackhawk Network Holdings, Inc., a Delaware corporation, pursuant to Rule 462(b) promulgated under the Securities Act of 1933, as amended, representing an increase in the maximum aggregate offering price of $11,500,000. The contents of the earlier registration statement on Form S-1, as amended (File No. 333-187325), which was declared effective by the Securities and Exchange Commission on April 18, 2013, are incorporated in this registration statement by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant has duly caused this Registration Statement on Form S-1 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Pleasanton, State of California, on the 18^th day of April, 2013.

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Signatures

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities indicated below on the dates indicated.

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EXHIBIT INDEX

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