Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Gasior F Morgan
   2. Issuer Name and Ticker or Trading Symbol
BankFinancial CORP [BFIN] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman, CEO & President
(Last)
(First)
(Middle)
15W060 NORTH FRONTAGE ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
09/02/2011
(Street)

BURR RIDGE, IL 60527		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Rights to Buy) $ 17.62 09/02/2011   D(1)     125,000   (1) 09/05/2011 Common Stock 125,000 (1) 0 D  
Stock Options (Rights to Buy) $ 17.62 09/02/2011   A(1)   125,000     (1) 09/05/2012 Common Stock 125,000 (1) 125,000 D  
Stock Options (Rights to Buy) $ 17.62 09/02/2011   D(2)     75,000   (2) 09/05/2011 Common Stock 75,000 (2) 0 D  
Stock Options (Rights to Buy) $ 17.62 09/02/2011   A(2)   75,000     (2) 09/05/2012 Common Stock 75,000 (2) 75,000 D  
Stock Options (Rights to Buy) $ 14.82 09/02/2011   D(3)     100,000   (3) 09/05/2011 Common Stock 100,000 (3) 0 D  
Stock Options (Rights to Buy) $ 14.82 09/02/2011   A(3)   100,000     (3) 09/05/2012 Common Stock 100,000 (3) 100,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Gasior F Morgan
15W060 NORTH FRONTAGE ROAD
BURR RIDGE, IL 60527		   X     Chairman, CEO & President  

Signatures

 /s/ F. Morgan Gasior   09/06/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The Stock Option Award was originally granted on September 5, 2006 and vested ratably over five annual installments commencing December 15, 2006.
(2) The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The stock option award was originally granted on September 5, 2006 and vested equally over the three performance periods: the year ended December 31, 2006 and the 9 months ended September 30, 2007 and 2008. All performance criteria were met, resulting in the vesting of all 75,000 options.
(3) The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The Stock Option Award was originally granted on February 26, 2008 and vested immediately upon grant.

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