<ACCESSION-NUMBER>0001298675-18-000015 <TYPE>8-K <PUBLIC-DOCUMENT-COUNT>1 <PERIOD>20180503 <ITEMS>5.02 <FILING-DATE>20180503 <DATE-OF-FILING-DATE-CHANGE>20180503 <FILER> <COMPANY-DATA> <CONFORMED-NAME>CubeSmart <CIK>0001298675 <ASSIGNED-SIC>6798 <IRS-NUMBER>201024732 <STATE-OF-INCORPORATION>MD <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>001-32324 <FILM-NUMBER>18804597 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>5 OLD LANCASTER ROAD <CITY>MALVERN <STATE>PA <ZIP>19355 <PHONE>610-535-5700 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>5 OLD LANCASTER ROAD <CITY>MALVERN <STATE>PA <ZIP>19355 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>U-Store-It Trust <DATE-CHANGED>20040727 </FORMER-COMPANY> </FILER> <FILER> <COMPANY-DATA> <CONFORMED-NAME>CubeSmart, L.P. <CIK>0001300485 <ASSIGNED-SIC>6798 <IRS-NUMBER>000000000 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>000-54462 <FILM-NUMBER>18804596 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>5 OLD LANCASTER ROAD <CITY>MALVERN <STATE>PA <ZIP>19355 <PHONE>610-535-5000 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>5 OLD LANCASTER ROAD <CITY>MALVERN <STATE>PA <ZIP>19355 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>U-Store-It L P <DATE-CHANGED>20041115 </FORMER-COMPANY> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>Acquiport Amsdell I L P <DATE-CHANGED>20040812 </FORMER-COMPANY> </FILER>