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