<SEC-DOCUMENT>0001104659-23-035681.txt : 20230323
<SEC-HEADER>0001104659-23-035681.hdr.sgml : 20230323
<ACCEPTANCE-DATETIME>20230322180540
ACCESSION NUMBER:		0001104659-23-035681
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230323
DATE AS OF CHANGE:		20230322
GROUP MEMBERS:		DHC HOLDINGS LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AlerisLife Inc.
		CENTRAL INDEX KEY:			0001159281
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-SKILLED NURSING CARE FACILITIES [8051]
		IRS NUMBER:				043516029
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-62369
		FILM NUMBER:		23753960

	BUSINESS ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796 8387

	MAIL ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIVE STAR SENIOR LIVING INC.
		DATE OF NAME CHANGE:	20170306

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIVE STAR QUALITY CARE, INC.
		DATE OF NAME CHANGE:	20161006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIVE STAR QUALITY CARE INC
		DATE OF NAME CHANGE:	20010918

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIVERSIFIED HEALTHCARE TRUST
		CENTRAL INDEX KEY:			0001075415
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				043445278
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796-8350

	MAIL ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SENIOR HOUSING PROPERTIES TRUST
		DATE OF NAME CHANGE:	19981217
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tm2310302d1_sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
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     <TITLE></TITLE>
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<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0; margin-bottom: 0; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0"></P>

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>SECURITIES AND EXCHANGE<BR> COMMISSION</B></FONT><BR>
   <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Washington, D.C. 20549</B></FONT> </P>



<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>SCHEDULE 13D/A</B></FONT> </P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>(Under the Securities Exchange Act of 1934<BR>
(Amendment No.&nbsp;4)*</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>AlerisLife
Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>Common Stock,
$0.01 par value</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class&nbsp;of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>33832D205</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Richard W. Siedel,&nbsp;Jr.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Chief Financial Officer and Treasurer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Diversified Healthcare Trust</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Two Newton Place, 255 Washington Street, Suite&nbsp;300</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Newton, MA 02458</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(617) 796-8350</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, Address and Telephone Number of Person<BR>
Authorized to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>March&nbsp;18,
2023</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Date of Event Which Requires Filing of this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D,
and is filing this schedule because of &sect;&sect;240.13d-1(e), 240.13d-1(f)&nbsp;or 240.13d-1(g), check the following box. </FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</FONT>&nbsp;The
remainder of this cover page&nbsp;shall be filled out for a reporting person's initial filing on this form with respect to the subject
class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover
page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">The information required on the remainder
of this cover page&nbsp;shall not be deemed to be &quot;filed&quot; for the purpose of Section&nbsp;18 of the Securities Exchange Act
of 1934 (&quot;Act&quot;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP
    No.&nbsp;33832D205</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Page&nbsp;1
    of 5 Pages</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Names
    of Reporting Persons<BR>
    Diversified Healthcare Trust </FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD COLSPAN="6" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check the Appropriate
    Box if a Member of a Group</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC
    Use Only </FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Source
    of Funds<BR>
    OO</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check
    if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d)&nbsp;or 2(e)&nbsp; &nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Citizenship
    or Place of Organization<BR>
    Maryland</FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="3" ROWSPAN="7" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Number
    of<BR>
    Shares<BR>
    Beneficially<BR>
    Owned by<BR>
    Each<BR>
    Reporting<BR>
    Person With</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole
    Voting Power <BR>
    0 </FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared
    Voting Power <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole
    Dispositive Power <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared
    Dispositive Power <BR>
    0</FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
    Amount Beneficially Owned by Each Reporting Person <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check
if the Aggregate Amount in Row (11) Excludes Certain Shares <FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Percent
    of Class&nbsp;Represented by Amount in Row (11) <BR>
    0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="padding: 3pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: Black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Type
    of Reporting Person </FONT><FONT STYLE="font-size: 10pt"><BR>
    </FONT>OO</TD></TR>
  <TR>
    <TD COLSPAN="6" STYLE="padding: 3pt"></TD>
    <TD STYLE="padding: 3pt; text-align: center"></TD>
    <TD STYLE="padding: 3pt; text-align: center"></TD></TR>
  <TR>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 19%">&nbsp;</TD>
    <TD STYLE="width: 36%">&nbsp;</TD>
    <TD STYLE="width: 32%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP
    No.&nbsp;33832D205</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Page&nbsp;2
    of 5 Pages</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Names
    of Reporting Persons<BR>
    DHC Holdings LLC</FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD COLSPAN="6" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check the Appropriate
    Box if a Member of a Group</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC
    Use Only </FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Source
    of Funds<BR>
    N/A</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check
    if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d)&nbsp;or 2(e)&nbsp; &nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Citizenship
    or Place of Organization<BR>
    Maryland</FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="3" ROWSPAN="7" STYLE="padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Number
    of<BR>
    Shares<BR>
    Beneficially<BR>
    Owned by<BR>
    Each<BR>
    Reporting<BR>
    Person With</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole
    Voting Power <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared
    Voting Power <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole
    Dispositive Power <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared
    Dispositive Power <BR>
    0</FONT></TD></TR>
  <TR>
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
    Amount Beneficially Owned by Each Reporting Person <BR>
    0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check
if the Aggregate Amount in Row (11) Excludes Certain Shares <FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Percent
    of Class&nbsp;Represented by Amount in Row (11) <BR>
    0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="8" STYLE="padding: 3pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 3pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="6" STYLE="border-bottom: Black 1pt solid; padding: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Type of Reporting
    Person </FONT><FONT STYLE="font-size: 10pt"><BR>
    </FONT>OO</TD></TR>
  <TR>
    <TD COLSPAN="6" STYLE="padding: 3pt"></TD>
    <TD STYLE="padding: 3pt; text-align: center"></TD>
    <TD STYLE="padding: 3pt; text-align: center"></TD></TR>
  <TR>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 19%">&nbsp;</TD>
    <TD STYLE="width: 36%">&nbsp;</TD>
    <TD STYLE="width: 32%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP
    No.&nbsp;33832D205</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Page&nbsp;3
    of 5 Pages</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">This Amendment No.&nbsp;4 (this &ldquo;Schedule 13D/A&rdquo;) to the
original Schedule 13D filed with the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) on April&nbsp;5, 2019 (the &ldquo;Original
Schedule 13D&rdquo;), as amended by Amendment No.&nbsp;1 to the Original Schedule 13D filed with the SEC on January&nbsp;2, 2020, Amendment
No.&nbsp;2 to the Original Schedule 13D filed with the SEC on March&nbsp;18, 2020 and Amendment No.&nbsp;3 to the Original Schedule 13D
filed with the SEC on February&nbsp;22, 2023 (as amended, the &ldquo;Schedule 13D&rdquo;), is being filed by Diversified Healthcare Trust
(&ldquo;DHC&rdquo;), a Maryland real estate investment trust, and DHC Holdings LLC, a Maryland limited liability company and a newly-formed
wholly owned subsidiary of DHC (collectively the &ldquo;Reporting Persons&rdquo; and each a &ldquo;Reporting Person&rdquo;), in connection
with the acquisition of&nbsp;AlerisLife Inc. (the &ldquo;Issuer&rdquo;) by ABP Acquisition 2 LLC (&ldquo;Purchaser&rdquo;), pursuant
to a tender offer for all of the outstanding shares of common stock, par value $0.01 per share, of the Issuer (&ldquo;Common Shares&rdquo;)
and subsequent merger of Purchaser with and into the Issuer (the &ldquo;Merger&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
1.</B></FONT>&nbsp;&nbsp; <B>Security and Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The class of equity securities to which this Schedule 13D/A relates
is the Common Shares. The Issuer&rsquo;s principal executive offices are located at Two Newton Place, 255 Washington Street, Newton,
Massachusetts 02458.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
2.</B></FONT>&nbsp;&nbsp; <B>Identity and Background.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&ldquo;Item
2. Identity and Background&rdquo; of the Schedule 13D/A </FONT>contained in the Schedule 13D is not being amended by this Schedule 13D/A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
3.</B></FONT>&nbsp;&nbsp; <B>Source and Amount of Funds or Other Consideration.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&ldquo;Item 3. Source and Amount of Funds or Other Consideration&rdquo;
contained in the Schedule 13D is not being amended by this Schedule 13D/A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
4.</B></FONT>&nbsp;&nbsp; <B>Purpose of Transaction.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&ldquo;Item 4. Purpose of Transaction&rdquo; of the Original Schedule
13D contained in the Schedule 13D is not being amended by this Schedule 13D/A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
5.</B></FONT>&nbsp;&nbsp; <B>Interest in Securities of the Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&ldquo;Item 5. Interest in Securities of the Issuer&rdquo; of the
Schedule 13D is hereby amended and restated as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(a)-(b)&nbsp;&nbsp;&nbsp;&nbsp; As of the date
hereof, the Reporting Persons beneficially own no Common Shares. The amount beneficially owned does not include Common Shares of the
Issuer as the surviving corporation in the Merger which, pursuant to the Consent Agreement, as further described in Item 6, DHC has the
right, but not the obligation, to purchase, in a single private transaction, on or before December&nbsp;31, 2023, constituting a percentage
up to 31.9% of the then issued and outstanding Common Shares based on the Offer Price and otherwise pursuant to a stockholders agreement
to be entered into at the time of any such purchase on such terms as are negotiated and mutually agreed by the parties. Such number of
Common Shares will not be determinable until such time as DHC exercises such right, if at all.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">As of the date hereof, Adam D. Portnoy beneficially owns 33,430,219
Common Shares, which represents 100% of the issued and outstanding Common Shares as of March&nbsp;20, 2023 and which are not included
in the percentages owned by the Reporting Persons, all of which are held by directly by ABP Acquisition LLC (&ldquo;ABP LLC&rdquo;),
a wholly owned subsidiary of ABP Trust.&nbsp; As president, sole trustee and a beneficial owner of ABP Trust, Mr.&nbsp;Portnoy may be
deemed to beneficially own the Common Shares beneficially owned by ABP Trust.&nbsp; The Reporting Persons expressly disclaim any beneficial
ownership of the Common Shares beneficially owned by Mr.&nbsp;Portnoy, ABP Trust and ABP LLC.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP
    No.&nbsp;33832D205</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Page&nbsp;4
    of 5 Pages</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">To the Reporting Persons&rsquo; knowledge, the other individuals named
in Item 2 above do not beneficially own any Common Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(c)&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;Except
as disclosed in Item 6, no transactions have been effected by the Reporting Persons or to the knowledge of the Reporting Persons, any
of the individuals named in Item 2 above in the Issuer&rsquo;s securities in the past sixty days.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(d)&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
No other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the
sale of, the securities covered by this Schedule 13D/A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(e)&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;Except
as described above, the Reporting Persons ceased to be the beneficial owner of more than five percent of the Common Shares on March&nbsp;18,
2023.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
6.</B></FONT>&nbsp;&nbsp; <B>Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information contained in &ldquo;Item 6. Contracts, Arrangements,
Understandings or Relationships With Respect to Securities of the Issuer&rdquo; contained in the Schedule 13D is hereby amended to include
the following:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The Offer expired at one minute after 11:59
p.m.&nbsp;Eastern Time, on March&nbsp;17, 2023. Equiniti Trust Company, the depository for the Offer (the &ldquo;Depository&rdquo;),
advised Purchaser that, as of the expiration of the Offer, a total of 22,375,687 Common Shares were tendered and not validly withdrawn
pursuant to the Offer, representing approximately 66.9% of the Common Shares outstanding as of the expiration of the Offer. In addition,
the Depository advised Purchaser that Notices of Guaranteed Delivery have been delivered with respect to 368,756 additional Common Shares,
representing approximately 1.1% of the Common Shares outstanding as of the expiration of the Offer. As of the expiration of the Offer,
the number of Common Shares tendered and not validly withdrawn pursuant to the Offer satisfied the Minimum Condition (as defined in the
Merger Agreement) of the Offer, and all other conditions to the Offer were satisfied or waived (to the extent waivable). The Reporting
Persons, and to the Reporting Persons&rsquo; knowledge, the individuals named in Item 2 above, tendered all of the Common Shares they
beneficially owned in the Offer. Immediately after the expiration of the Offer, Purchaser irrevocably accepted for payment, and will
promptly pay for, all Common Shares tendered and not validly withdrawn pursuant to Offer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Pursuant to the Merger Agreement, ABP LLC
and Purchaser completed the acquisition of the Issuer on March&nbsp;20, 2023 by consummating the Merger without a vote of the Issuer&rsquo;s
stockholders in accordance with Section&nbsp;3-106.1 of the Maryland General Corporation Law. At the effective time of the Merger, (i)&nbsp;each
issued and outstanding Common Share (other than Common Shares held by Parent, Purchaser, or any other direct or indirect wholly owned
subsidiary of Parent or any person that owns, directly or indirectly, all of the outstanding equity interests of Purchaser) was converted
into the right to receive $1.31 in cash, without any interest thereon and subject to any withholding of taxes, and (ii)&nbsp;each issued
and outstanding Common Share held by Parent, Purchaser, or any other direct or indirect wholly owned subsidiary of Parent or any person
that owns, directly or indirectly, all of the outstanding equity interests of Purchaser was cancelled and retired and ceased to exist,
and no consideration was delivered in exchange therefor. In addition, immediately prior to the effective time, each award of Common Shares
then-outstanding and subject to vesting or forfeiture restrictions (each, a &ldquo;Company Share Award&rdquo;) became fully vested and
non-forfeitable. At the effective time, each Common Share subject to a Company Share Award (other than any Shares held immediately prior
to the effective time by ABP, Purchaser, or any other direct or indirect wholly owned subsidiary of ABP or any person that owns, directly
or indirectly all of the outstanding equity interests of Purchaser) was cancelled and converted into the right to receive an amount in
cash equal to the Offer Price, without any interest thereon and subject to any withholding of taxes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Following consummation of the Offer and the
Merger, and of the date hereof, the Reporting Persons, and to the Reporting Persons&rsquo; knowledge, the individuals named in Item 2
above other than Mr.&nbsp;Portnoy, own no Common Shares. Following consummation of the Merger, the Common Shares were delisted and ceased
trading on the Nasdaq Stock Market. In addition, the Purchaser has taken steps to cause the termination of the registration of the Common
Shares under the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), and suspend all of the Issuer&rsquo;s
reporting obligations under the Exchange Act as promptly as practicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP
    No.&nbsp;33832D205</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 3pt; text-align: center; width: 33%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Page&nbsp;5
    of 5 Pages</B></FONT></TD></TR>
</TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
7.</B></FONT>&nbsp;&nbsp; <B>Material to be Filed as Exhibits.</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&ldquo;Item 7. Material to be Filed as Exhibits&rdquo; contained in
the Schedule 13D is not being amended by this Schedule 13D/A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">After reasonable inquiry and to the best of my
knowledge and belief,&nbsp;I certify that the information set forth in this statement is true, complete and correct.</P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March&nbsp;22,
    2023</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Date)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>DIVERSIFIED HEALTHCARE TRUST</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Richard
    W. Siedel,&nbsp;Jr.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Richard W. Siedel,&nbsp;Jr. <BR>
    Chief Financial Officer and Treasurer</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>DHC HOLDINGS LLC</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Richard
    W. Siedel,&nbsp;Jr.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Richard W. Siedel,&nbsp;Jr. <BR>
    Chief Financial Officer and Treasurer</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>Attention.
</I></FONT>Intentional misstatements or omissions of fact constitute Federal criminal violations (s<I>ee</I> 18 U.S.C. 1001).</P>

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