<SEC-DOCUMENT>0001104659-23-039666-index.html : 20230331
<SEC-HEADER>0001104659-23-039666.hdr.sgml : 20230331
<ACCEPTANCE-DATETIME>20230331083201
ACCESSION NUMBER:		0001104659-23-039666
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20230331
DATE AS OF CHANGE:		20230331

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CubeSmart
		CENTRAL INDEX KEY:			0001298675
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				201024732
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32324
		FILM NUMBER:		23783445

	BUSINESS ADDRESS:	
		STREET 1:		5 OLD LANCASTER ROAD
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355
		BUSINESS PHONE:		610-535-5700

	MAIL ADDRESS:	
		STREET 1:		5 OLD LANCASTER ROAD
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	U-Store-It Trust
		DATE OF NAME CHANGE:	20040727
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>tm231851d4_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tm231851d4_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm231851d4_defa14aimg004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm231851d4_defa14aimg004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm231851d4_defa14aimg005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm231851d4_defa14aimg005.jpg

</DOCUMENT>
</SEC-DOCUMENT>