<SEC-DOCUMENT>0001140361-21-025300-index.html : 20210722
<SEC-HEADER>0001140361-21-025300.hdr.sgml : 20210722
<ACCEPTANCE-DATETIME>20210722163345
ACCESSION NUMBER:		0001140361-21-025300
CONFORMED SUBMISSION TYPE:	S-4/A
PUBLIC DOCUMENT COUNT:		22
FILED AS OF DATE:		20210722
DATE AS OF CHANGE:		20210722

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Equity Commonwealth
		CENTRAL INDEX KEY:			0000803649
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				046558834
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-4/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-257626
		FILM NUMBER:		211107990

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CommonWealth REIT
		DATE OF NAME CHANGE:	20100702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HRPT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19980701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTH & RETIREMENT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19940811
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-4/A
<SEQUENCE>1
<FILENAME>nt10026422x4_s4a.htm
<DESCRIPTION>S-4/A
<TEXT>
Document 1 - file: nt10026422x4_s4a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>nt10026422x4_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: nt10026422x4_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-8.1
<SEQUENCE>3
<FILENAME>nt10026422x4_ex8-1.htm
<DESCRIPTION>EXHIBIT 8.1
<TEXT>
Document 3 - file: nt10026422x4_ex8-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-8.2
<SEQUENCE>4
<FILENAME>nt10026422x4_ex8-2.htm
<DESCRIPTION>EXHIBIT 8.2
<TEXT>
Document 4 - file: nt10026422x4_ex8-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>nt10026422x4_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 5 - file: nt10026422x4_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>6
<FILENAME>nt10026422x4_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 6 - file: nt10026422x4_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>7
<FILENAME>nt10026422x4_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 7 - file: nt10026422x4_ex99-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>8
<FILENAME>nt10026422x4_ex99-4.htm
<DESCRIPTION>EXHIBIT 99.4
<TEXT>
Document 8 - file: nt10026422x4_ex99-4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>9
<FILENAME>nt10026422x4_ex99-5.htm
<DESCRIPTION>EXHIBIT 99.5
<TEXT>
Document 9 - file: nt10026422x4_ex99-5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image0.jpg
<TEXT>
Document 10 - file: image0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>logo_cscacapital.jpg
<TEXT>
Document 11 - file: logo_cscacapital.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>logo_equity.jpg
<TEXT>
Document 12 - file: logo_equity.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>logo_jpmorgan.jpg
<TEXT>
Document 13 - file: logo_jpmorgan.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>logo_mreic2.jpg
<TEXT>
Document 14 - file: logo_mreic2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>logo_mreic.jpg
<TEXT>
Document 15 - file: logo_mreic.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>nt10026422x4_ex5-1logo.jpg
<TEXT>
Document 16 - file: nt10026422x4_ex5-1logo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>nt10026422x4_ex8-1logo.jpg
<TEXT>
Document 17 - file: nt10026422x4_ex8-1logo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>nt10026422x4_ex99-1sig.jpg
<TEXT>
Document 18 - file: nt10026422x4_ex99-1sig.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>nt10026422x4_ex99-4img01.jpg
<TEXT>
Document 19 - file: nt10026422x4_ex99-4img01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>nt10026422x4_ex99-4img02.jpg
<TEXT>
Document 20 - file: nt10026422x4_ex99-4img02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>nt10026422x4_ex99-5img01.jpg
<TEXT>
Document 21 - file: nt10026422x4_ex99-5img01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>nt10026422x4_ex99-5img02.jpg
<TEXT>
Document 22 - file: nt10026422x4_ex99-5img02.jpg

</DOCUMENT>
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