    <SEC-DOCUMENT>0001437749-25-011792-index.html : 20250411
    <SEC-HEADER>0001437749-25-011792.hdr.sgml : 20250411
    <ACCEPTANCE-DATETIME>20250411161519
    ACCESSION NUMBER:		0001437749-25-011792
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20250521
    FILED AS OF DATE:		20250411
    DATE AS OF CHANGE:		20250411

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NSTS Bancorp, Inc.
    		CENTRAL INDEX KEY:			0001881592
    		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				000000000
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41232
    		FILM NUMBER:		25832259

    	BUSINESS ADDRESS:
    		STREET 1:		700 LEWIS AVE.
    		CITY:			WAUKEGAN
    		STATE:			IL
    		ZIP:			60085
    		BUSINESS PHONE:		847-336-4430

    	MAIL ADDRESS:
    		STREET 1:		700 LEWIS AVE.
    		CITY:			WAUKEGAN
    		STATE:			IL
    		ZIP:			60085
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>nsts20250325_def14a.htm
    <DESCRIPTION>FORM DEF 14A
    <TEXT>
    Document 1 - file: nsts20250325_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>esop01.jpg
    <TEXT>
    Document 2 - file: esop01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>esop02.jpg
    <TEXT>
    Document 3 - file: esop02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>pc01.jpg
    <TEXT>
    Document 4 - file: pc01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>pc02.jpg
    <TEXT>
    Document 5 - file: pc02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>