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)

November 21, 2014

SWS GROUP, INC.

(Exact name of registrant as specified in its charter)

1201 Elm Street, Suite 3500

Dallas, Texas 75270

(Address of principal executive offices and zip code)

(214) 859-1800

(Registrant’s telephone number, including area code)

N/A

(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):

Item 5.07. Submission of Matters to a Vote of Security Holders.

On November 21, 2014, SWS Group, Inc. (“SWS” or the “Company”) held a special meeting of stockholders (the “Special Meeting”). The Company’s stockholders approved each of the three proposals detailed in the Company’s Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on October 14, 2014. Stockholders representing 44,060,540 shares, or 91% of the 48,456,850 shares of the Company’s common stock outstanding on the record date of October 3, 2014, were present in person or by proxy, representing a quorum for the purposes of the Special Meeting.

Following is a summary of the voting results for the three proposals:

Proposal One: The Company’s stockholders adopted and approved the Agreement and Plan of Merger, dated as of March 31, 2014, by and among the Company, Hilltop Holdings Inc. (“Hilltop”) and Peruna LLC (“Peruna”), a wholly owned subsidiary of Hilltop, pursuant to which the Company will merge with and into Peruna (the “Merger”), as set forth below:

Proposal Two: The Company’s stockholders approved, on a non-binding, advisory basis, compensation that may be paid or would be payable to the Company’s named executive officers in connection with the Merger, as set forth below:

Proposal Three: The Company’s stockholders approved the adjournment of the Special Meeting, if necessary or appropriate, to solicit additional proxies, in the event that there are not sufficient votes at the time of the Special Meeting to approve Proposal One. In view of the adoption and approval of Proposal One, this was not necessary.

Item 8.01. Other Events.

On November 21, 2014, the Company issued a press release announcing the results of the Special Meeting. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein.

Item 9.01(d). Exhibits.

2

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.

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