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 5, 2006

                           BANKFINANCIAL CORPORATION
                           -------------------------
               (Exact Name of Registrant as Specified in Charter)

         Maryland                    0-51331                     75-3199276
  -----------------             ---------------------         ---------------
(State or Other Jurisdiction)   (Commission File No.)         (I.R.S. Employer
      of Incorporation)                                      Identification No.)


15W060 North Frontage Road, Burr Ridge, Illinois                       60527
- ------------------------------------------------                      --------
(Address of Principal Executive Offices)                             (Zip Code)

Registrant's telephone number, including area code:  (630) 242-7700
                                                     --------------



                                 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):

[    ] Written communications  pursuant to Rule 425 under the Securities Act (17
       CFR 230.425)

[    ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17
       CFR 240.14a-12)

[    ] Pre-commencement  communications  pursuant  to Rule  14d-2(b)  under the
       Exchange Act (17 CFR 240.14d-2(b))

[    ] Pre-commencement  communications  pursuant  to Rule  13e-4(c)  under the
       Exchange Act (17 CFR 240.13e-4(c))





Item 8.01. Other Events.

     On April 5, 2006, BankFinancial Corporation announced that it has completed
its  acquisition  of  University  National  Bank and the  merger  of  University
National Bank into its wholly-owned subsidiary, BankFinancial, F.S.B.

     A copy of the press release  announcing this item is attached as Exhibit 99
to this press release.

Item 9.01. Financial Statements and Exhibits.

         (a)      Not Applicable.

         (b)      Not Applicable.

         (c)      Not Applicable.

         (d)      Exhibits

         Exhibit No.                        Description
         -----------                        -----------
         99                         Press Release dated April 5, 2006






                                   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.

                                                 BANKFINANCIAL CORPORATION



Date: April 5, 2006                         By:  /s/ F. Morgan Gasior
                                                 -------------------------------
                                                 F. Morgan Gasior
                                                 Chairman of the Board and
                                                   Chief Executive Officer