    <SEC-DOCUMENT>0001437749-24-015560-index.html : 20240509
    <SEC-HEADER>0001437749-24-015560.hdr.sgml : 20240509
    <ACCEPTANCE-DATETIME>20240509120246
    ACCESSION NUMBER:		0001437749-24-015560
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240509
    DATE AS OF CHANGE:		20240509
    EFFECTIVENESS DATE:		20240509

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BankFinancial CORP
    		CENTRAL INDEX KEY:			0001303942
    		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				000000000
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51331
    		FILM NUMBER:		24929440

    	BUSINESS ADDRESS:
    		STREET 1:		60 NORTH FRONTAGE ROAD
    		CITY:			BURR RIDGE
    		STATE:			IL
    		ZIP:			60527
    		BUSINESS PHONE:		(800) 894-6900

    	MAIL ADDRESS:
    		STREET 1:		60 NORTH FRONTAGE ROAD
    		CITY:			BURR RIDGE
    		STATE:			IL
    		ZIP:			60527
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>bfin_ars.pdf
    <TEXT>
    Document 1 - file: bfin_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>