    <SEC-DOCUMENT>0001104659-24-044645-index.html : 20240408
    <SEC-HEADER>0001104659-24-044645.hdr.sgml : 20240408
    <ACCEPTANCE-DATETIME>20240408133410
    ACCESSION NUMBER:		0001104659-24-044645
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20240408
    DATE AS OF CHANGE:		20240408

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FS Bancorp, Inc.
    		CENTRAL INDEX KEY:			0001530249
    		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				454585178
    		STATE OF INCORPORATION:			WA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35589
    		FILM NUMBER:		24829008

    	BUSINESS ADDRESS:
    		STREET 1:		6920 220TH STREET SW
    		CITY:			MOUNTLAKE TERRACE
    		STATE:			WA
    		ZIP:			98043
    		BUSINESS PHONE:		425-771-5299

    	MAIL ADDRESS:
    		STREET 1:		6920 220TH STREET SW
    		CITY:			MOUNTLAKE TERRACE
    		STATE:			WA
    		ZIP:			98043
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>tm2410278d5_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: tm2410278d5_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tm2410278d5_defa14aimg001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tm2410278d5_defa14aimg001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm2410278d5_defa14aimg002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm2410278d5_defa14aimg002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm2410278d5_defa14aimg003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm2410278d5_defa14aimg003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2410278d5_defa14aimg004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2410278d5_defa14aimg004.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>