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 6, 2011

BANKFINANCIAL CORPORATION

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (800) 894-6900

Not Applicable

(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):

On April 5, 2011, the Board of Directors of BankFinancial Corporation (the “Company”) approved the extension of the terms of the Employment Period in the Company’s existing Employment Agreements with Named Executive Officers (as defined by Item 402(a)(3) of Securities and Exchange Commission Regulation S-K) F. Morgan Gasior, Paul A. Cloutier and James J. Brennan to March 31, 2014. Prior to the extensions, the terms of the Employment Periods would have expired on March 31, 2013. The Employment Agreements between Company and these individuals were filed as Exhibits 10.1 through 10.3 to the Report on Form 8-K of the Company filed with the Securities and Exchange Commission on October 20, 2008. On the same date, the Board of Directors of the Company’s principal subsidiary, BankFinancial, F.S.B. (the “Bank”), approved the extension of the terms of the Employment Period in the Bank’s existing Amended and Restated Employment Agreements with Messrs. Gasior, Cloutier, Brennan and Ms. Christa N. Calabrese to March 31, 2014. Prior to the extensions, the terms of the Employment Periods would have expired on March 31, 2013. The foregoing Amended and Restated Employment Agreements were filed as Exhibits 10.1 through 10.3 and 10.5 to the Report on Form 8-K of the Company filed with the Securities and Exchange Commission on May 9, 2008. On the same date, the Board of Directors of the Bank also approved the extension of the terms of the Employment Period in the Bank’s existing Amended and Restated Employment Agreement with Mr. Gregg T. Adams to March 31, 2013. Prior to the extension, the terms of the Employment Period would have expired on March 31, 2012. The foregoing Amended and Restated Employment Agreement was filed as Exhibit 10.30 to the Report on Form 10-K/A of the Company filed with the Securities and Exchange Commission on April 30, 2010.

The forms of the “Extension of Term of Employment Period” that will be used to implement these actions is attached to this Current Report on Form 8-K as Exhibits 10.1 and 10.2

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.