<SEC-DOCUMENT>0001209191-22-007742.txt : 20220208
<SEC-HEADER>0001209191-22-007742.hdr.sgml : 20220208
<ACCEPTANCE-DATETIME>20220208161806
ACCESSION NUMBER:		0001209191-22-007742
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220204
FILED AS OF DATE:		20220208
DATE AS OF CHANGE:		20220208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CROATTI CYNTHIA
		CENTRAL INDEX KEY:			0001260756

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08504
		FILM NUMBER:		22601823

	MAIL ADDRESS:	
		STREET 1:		68 JONSPIN ROAD
		CITY:			WILMINGTON
		STATE:			DC
		ZIP:			01887

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIFIRST CORP
		CENTRAL INDEX KEY:			0000717954
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PERSONAL SERVICES [7200]
		IRS NUMBER:				042103460
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0829

	BUSINESS ADDRESS:	
		STREET 1:		68 JONSPIN RD
		CITY:			WILMINGTON
		STATE:			MA
		ZIP:			01887
		BUSINESS PHONE:		(978) 658-8888

	MAIL ADDRESS:	
		STREET 1:		68 JONSPIN ROAD
		CITY:			WILMINGTON
		STATE:			MA
		ZIP:			01887

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERSTATE UNIFORM SERVICES CORP/MA
		DATE OF NAME CHANGE:	19840410
</SEC-HEADER>
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<DESCRIPTION>FORM 4 SUBMISSION
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    <footnotes>
        <footnote id="F1">Cynthia Croatti is the manager of Trilogy Investment Partners LLC, which as of the date of filing this report, directly owns the reported securities. Cynthia Croatti disclaims beneficial ownership of these reported securities, except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that she is the beneficial owner of the securities for purposes of Section 16 or any other purpose.</footnote>
        <footnote id="F2">80% of this stock appreciation right, granted under the 2010 Plan, was vested and exercisable on January 31, 2022. The remaining 20% became vested and exercisable upon her retirement date of February 1, 2022.</footnote>
        <footnote id="F3">60% of this stock appreciation right, granted under the 2010 Plan, was vested and exercisable on January 31, 2022. The remaining 40% became vested and exercisable upon her retirement date of February 1, 2022.</footnote>
        <footnote id="F4">20% of this stock appreciation right, granted under the 2010 Plan, was vested and exercisable on January 31, 2022. The remaining 80% became vested and exercisable upon her retirement date of February 1, 2022.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven S. Sintros, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-08</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
