ALR / AlerisLife Inc - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

AlerisLife Inc
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HINDI NA ACTIVE ANG SIMBONG ITO

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CIK 1159281
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to AlerisLife Inc
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
March 30, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 1-6817 ALERISLIFE INC. (Exact name of registrant as specified in its charter) T

March 23, 2023 SC 13D/A

ALR / AlerisLife Inc / SENIOR HOUSING PROPERTIES TRUST - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Under the Securities Exchange Act of 1934 (Amendment No. 4)* AlerisLife Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 33832D205 (CUSIP Number) Richard W. Siedel, Jr. Chief Financial Officer and Treasurer Diversified Healthcare Trust Two Newton Place, 255 Washington Street, Suite 300 Newto

March 20, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 RULE 13e-3 TRANSACTION STATEMENT UNDER SECTION 13(e) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) AlerisLife Inc. (Name of the Issuer) AlerisLife Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 RULE 13e-3 TRANSACTION STATEMENT UNDER SECTION 13(e) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) AlerisLife Inc. (Name of the Issuer) AlerisLife Inc. (Name of Person(s) Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Classes of Comm

March 20, 2023 POS AM

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5) ALERISLIFE INC. (Name of Subject Company (Issuer))

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5) ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) ABP TRUST ADAM D. PORTNOY (Name of Filing P

March 20, 2023 EX-3.2

ALERISLIFE INC. AMENDED AND RESTATED BYLAWS ARTICLE I

Exhibit 3.2 ALERISLIFE INC. AMENDED AND RESTATED BYLAWS ARTICLE I OFFICES Section 1.         PRINCIPAL OFFICE. The principal office of the Corporation in the State of Maryland shall be located at such place as the Board of Directors may designate. Section 2.         ADDITIONAL OFFICES. The Corporation may have additional offices, including a principal executive office, at such places as the Board

March 20, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 POS AM

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 EX-3.1

ALERISLIFE INC. ARTICLES OF AMENDMENT AND RESTATEMENT

Exhibit 3.1 ALERISLIFE INC. ARTICLES OF AMENDMENT AND RESTATEMENT FIRST: AlerisLife Inc., a Maryland corporation (the “Corporation”), desires to amend and restate its charter as currently in effect and as hereinafter amended. SECOND: The following provisions are all the provisions of the charter currently in effect and as hereinafter amended: ARTICLE I NAME The name of the corporation (which is he

March 20, 2023 EX-99.1

AlerisLife Announces Closing of Tender Offer Stockholders to Receive $1.31 Per Share in Cash, an 85% Premium to the 30-Day Average Trading Price Prior to the Announcement

Exhibit 99.1 FOR IMMEDIATE RELEASE AlerisLife Announces Closing of Tender Offer Stockholders to Receive $1.31 Per Share in Cash, an 85% Premium to the 30-Day Average Trading Price Prior to the Announcement Newton, MA (March 20, 2023): AlerisLife Inc. (Nasdaq: ALR) today announced that ABP Acquisition LLC, or ABP, has successfully completed the previously announced tender offer to acquire all outst

March 20, 2023 POS AM

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5) AlerisLife Inc. (Name of Subject Company) Ale

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5) AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Comm

March 20, 2023 SC 13D/A

ALR / AlerisLife Inc / ABP Acquisition LLC - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.

March 20, 2023 POS AM

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 POS AM

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 20, 2023 AlerisLife Inc. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 20, 2023 AlerisLife Inc. (Exact Name of Registrant as Specified in Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 47-3516029 (Commission File No.) (IRS

March 20, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 20, 2023

As filed with the Securities and Exchange Commission on March 20, 2023 Registration No.

March 14, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 (Amendment No. 2) ALERISLIFE INC. (Name of the Issuer) A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 (Amendment No. 2) ALERISLIFE INC. (Name of the Issuer) ALERISLIFE INC. (Name of Person(s) Filing Statement) Common Stock, $0.01 par value per share (Title of Classes of Securities) 33832D205 (CUSIP Number o

March 14, 2023 SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) AlerisLife Inc. (Name of Subject Company) Ale

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Comm

March 14, 2023 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) ALERISLIFE INC. (Name of Subject Company (Issuer))

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) ABP TRUST ADAM D. PORTNOY (Name of Filing P

March 10, 2023 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) ALERISLIFE INC. (Name of Subject Company (Issuer))

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) ABP TRUST ADAM D. PORTNOY (Name of Filing P

March 10, 2023 SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) AlerisLife Inc. (Name of Subject Company) Ale

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Comm

March 10, 2023 EX-99.(A)(5)(IV)

Subject: TIME SENSITIVE: ABP Tender Offer for ALR Common Stock

Exhibit (a)(5)(iv) Subject: TIME SENSITIVE: ABP Tender Offer for ALR Common Stock Hello, As an ALR common stockholder, you should receive a package that looks like the attached.

March 9, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 (Amendment No. 1) ALERISLIFE INC. (Name of the Issuer) A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 (Amendment No. 1) ALERISLIFE INC. (Name of the Issuer) ALERISLIFE INC. (Name of Person(s) Filing Statement) Common Stock, $0.01 par value per share (Title of Classes of Securities) 33832D205 (CUSIP Number o

March 8, 2023 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) ALERISLIFE INC. (Name of Subject Company (Issuer))

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) ABP TRUST ADAM D. PORTNOY (Name of Filing P

March 8, 2023 SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) AlerisLife Inc. (Name of Subject Company) Ale

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Comm

March 8, 2023 CORRESP

* * *

ROPES & GRAY LLP PRUDENTIAL TOWER 800 BOYLSTON STREET BOSTON, MA 02199-3600 WWW.ROPESGRAY.COM March 8, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Perry Hindin, Special Counsel Re: AlerisLife Inc. Schedule 14D-9 filed February 17, 2023 File No. 005-62369 Dear Mr. Hindin: We are submitting this letter on

March 8, 2023 SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) AlerisLife Inc. (Name of Subject Company) Ale

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Comm

February 22, 2023 SC 13D/A

ALR / AlerisLife Inc / SENIOR HOUSING PROPERTIES TRUST - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Under the Securities Exchange Act of 1934 (Amendment No. 3)* AlerisLife Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 33832D205 (CUSIP Number) Richard W. Siedel, Jr. Chief Financial Officer and Treasurer Diversified Healthcare Trust Two Newton Place, 255 Washington Street, Suite 300 Newto

February 21, 2023 EX-99.(A)(5)(III)

Notice of Merger of ABP Acquisition 2 LLC with and into AlerisLife Inc., issued on February 17, 2023

Exhibit (a)(5)(iii) NOTICE OF MERGER OF ABP ACQUISITION 2 LLC WITH AND INTO ALERISLIFE INC.

February 21, 2023 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) ALERISLIFE INC. (Name of Subject Company (Issuer))

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) Common Stock, Par Value $0.01 Per Share (Ti

February 17, 2023 SC TO-T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) Common Stock, Par Value $0.01 Per Share (Title of Class of Se

February 17, 2023 EX-99.(A)(1)(I)

Offer to Purchase, dated February 17, 2023.

TABLE OF CONTENTS  Exhibit (a)(1)(i) Offer to Purchase All Outstanding Shares of Common Stock of ALERISLIFE INC.

February 17, 2023 EX-99.(A)(1)(II)

Form of Letter of Transmittal.

 Exhibit (a)(1)(ii) Letter of Transmittal to Tender Shares of Common Stock of ALERISLIFE INC.

February 17, 2023 EX-99.(A)(1)(V)

Form of Letter to Clients for Use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.

 Exhibit (a)(1)(v) Offer To Purchase For Cash All Outstanding Shares of Common Stock of ALERISLIFE INC.

February 17, 2023 SC 13E3

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 ALERISLIFE INC. (Name of the Issuer) ALERISLIFE INC. (Name of Person(s

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 ALERISLIFE INC. (Name of the Issuer) ALERISLIFE INC. (Name of Person(s) Filing Statement) Common Stock, $0.01 par value per share (Title of Classes of Securities) 33832D205 (CUSIP Number of Classes of Securities) Jeffrey

February 17, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Schedule TO (Form Type) ALERISLIFE INC.

February 17, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Schedule 13E-3 (Rule 13e-100) ALERISLIFE INC. (Name of Subject Company) ALERISLIFE INC. (Names of Filing Persons) Table 1-Transaction Valuation

EXHIBIT 107 Calculation of Filing Fee Tables Schedule 13E-3 (Rule 13e-100) ALERISLIFE INC.

February 17, 2023 SC 14D9

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Persons Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Common Stock) Jeffrey

February 17, 2023 EX-99.(C)(2)

Confidential Treatment Requested. Confidential portion of this document have been redacted and have been separately filed with the Securities and Exchange Commission.

Exhibit (c)(2) Confidential Treatment Requested. Confidential portion of this document have been redacted and have been separately filed with the Securities and Exchange Commission. Project Newbury Strictly Private and Confidential February 2, 2023 Citi Banking, Capital Markets & Advisory | Real Estate & Lodging Presentation to the Special Committee Disclaimer The accompanying pages contain materi

February 17, 2023 EX-99.(C)(3)

Project Newbury Strictly Private and Confidential January 6, 2023 Citi Banking, Capital Markets & Advisory | Real Estate & Lodging Discussion Materials for the Special Committee PRELIMINARY – SUBJECT TO FURTHER REVIEW AND REVISION

Exhibit (c)(3) Project Newbury Strictly Private and Confidential January 6, 2023 Citi Banking, Capital Markets & Advisory | Real Estate & Lodging Discussion Materials for the Special Committee PRELIMINARY – SUBJECT TO FURTHER REVIEW AND REVISION Disclaimer The accompanying pages contain material provided to the Special Committee (the “Special Committee”) of the Board of Directors of AlerisLife Inc.

February 17, 2023 EX-99.(A)(1)(VI)

Form of Summary Advertisement, published in

Exhibit (a)(1)(vi) This is neither an offer to purchase nor solicitation of an offer to sell Shares.

February 17, 2023 EX-99.(A)(1)(IV)

Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.

 Exhibit (a)(1)(iv) Offer To Purchase For Cash All Outstanding Shares of Common Stock of ALERISLIFE INC.

February 17, 2023 EX-99.(A)(1)(III)

Form of Notice of Guaranteed Delivery.

 Exhibit (a)(1)(iii) NOTICE OF GUARANTEED DELIVERY For Tender of Shares of Common Stock of ALERISLIFE INC.

February 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2023 AlerisLife Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2023 AlerisLife Inc. (Exact Name of Registrant as Specified in its Charter) Maryland 1-16817 04-3516029 (State or other jurisdiction of incorporation) (Commission File Num

February 3, 2023 EX-99.2

Letter from Jeffrey C. Leer, the President and Chief Executive Officer of ALR, to ALR’s Employees, dated February 3, 2023 (incorporated by reference to Exhibit 99.2 to Solicitation/Recommendation Statement on Schedule 14D-9C filed by ALR with the Securities and Exchange Commission on February 3, 2023).

Exhibit 99.2 Dear Colleagues, As you may have seen in a media release earlier today, our Board of Directors has approved an agreement pursuant to which ABP Acquisition LLC (“ABP”) will conduct a tender offer for the purchase of all AlerisLife publicly traded shares not already owned by ABP. Adam Portnoy, one of our managing directors and Chair of our Board as well as the President and Chief Execut

February 3, 2023 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 ALERISLIFE INC. (Name of Subject Company (Issuer)) ABP ACQUISITION 2 LLC a wholly owned subsidiary of ABP ACQUISITION LLC (Names of Filing Persons (Offeror)) Common Stock, Par Value $0.01 Per Share (Title of Class of Se

February 3, 2023 EX-2.1

Agreement and Plan of Merger, dated as of February 2, 2023, among the Company, ABP Acquisition LLC and ABP Acquisition 2 LLC. (Schedules to the Agreement and Plan of Merger have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The Company will supplementally furnish to the SEC upon request any such omitted schedule).

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER among ALERISLIFE INC., a Maryland corporation; ABP ACQUISITION LLC, a Maryland limited liability company; and ABP ACQUISITION 2 LLC, a Maryland limited liability company Dated as of February 2, 2023 Table of Contents Section 1 THE OFFER 2 1.1 The Offer 2 1.2 Company Actions 5 Section 2 MERGER TRANSACTION 7 2.1 Merger of Purchaser into the

February 3, 2023 EX-99.15

CONSENT AND AMENDMENT AGREEMENT

Exhibit 99.15 Execution Version CONSENT AND AMENDMENT AGREEMENT THIS CONSENT AND AMENDMENT AGREEMENT, dated as of February 2, 2023 (as amended, supplemented or restated from time to time, this “Agreement”), by and among Diversified Healthcare Trust, a Maryland real estate investment trust (“DHC”), DHC Holdings LLC, a Maryland limited liability company, ABP Trust, a Maryland statutory trust, ABP Ac

February 3, 2023 EX-99.1

ABP Acquisition to Acquire AlerisLife for $1.31 Per Share

Exhibit 99.1 FOR IMMEDIATE RELEASE ABP Acquisition to Acquire AlerisLife for $1.31 Per Share Purchase Price Provides Shareholders with an 85% Premium to Average Share Price of Last 30 Trading Days Newton,MA (February 3, 2023): AlerisLife Inc. (Nasdaq: ALR) today announced that it has entered into a definitive agreement with ABP Acquisition LLC, or ABP, under which ABP will acquire all of the outst

February 3, 2023 SC 13D/A

ALR / Alerislife Inc / ABP Acquisition LLC - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.

February 3, 2023 SC14D9C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 AlerisLife Inc. (Name of Subject Company) AlerisLife Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 AlerisLife Inc. (Name of Subject Company) AlerisLife Inc. (Name of Person(s) Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 33832D205 (CUSIP Number of Common Stock)

February 3, 2023 EX-99.1

Press Release, dated February 3, 2023 (incorporated by reference to Exhibit 99.1 to the Tender Offer Statement on Schedule TO-C filed by Parent with the Securities and Exchange Commission on February 3, 2023).

Exhibit 99.1 FOR IMMEDIATE RELEASE ABP Acquisition to Acquire AlerisLife for $1.31 Per Share Purchase Price Provides Shareholders with an 85% Premium to Average Share Price of Last 30 Trading Days Newton,MA (February 3, 2023): AlerisLife Inc. (Nasdaq: ALR) today announced that it has entered into a definitive agreement with ABP Acquisition LLC, or ABP, under which ABP will acquire all of the outst

November 10, 2022 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2022 AlerisLife Inc. (Exact Name of Registrant as Specified in its Charter) Maryland 1-16817 04-3516029 (State or other jurisdiction of incorporation) (Commission File Num

November 2, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 2, 2022 ALERISLIFE INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 2, 2022 ALERISLIFE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission File Num

November 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 ALERISLIFE INC.

November 2, 2022 EX-99.1

AlerisLife Inc. Announces Third Quarter 2022 Results Combined Sequential Quarter End Occupancy Growth of 180 Basis Points Sequential Quarter Management and Operating Revenues Growth of $1.8 Million, or 4.6% Restructuring Plan on Track as Adjusted EBI

Exhibit 99.1 Two Newton Place 255 Washington Street, Suite 230 Newton, Massachusetts 02458 617-796-8387 www.alerislife.com FOR IMMEDIATE RELEASE AlerisLife Inc. Announces Third Quarter 2022 Results Combined Sequential Quarter End Occupancy Growth of 180 Basis Points Sequential Quarter Management and Operating Revenues Growth of $1.8 Million, or 4.6% Restructuring Plan on Track as Adjusted EBITDA I

November 2, 2022 EX-99.2

Supplemental Presentation November 2022 Nasdaq: ALR Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three months ended September 30, 2022, unless otherwise noted. Also, statemen

alrsupplementalpres Supplemental Presentation November 2022 Nasdaq: ALR Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three months ended September 30, 2022, unless otherwise noted.

October 17, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2022 AlerisLife Inc. (Exact Name of Registrant as Specified in its Charter) Maryland 1-6817 04-3516029 (State or other jurisdiction of incorporation) (Commission File Numb

September 19, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 19, 2022 AlerisLife Inc. (Exact Name of Registrant as Specified in its Charter) Maryland 1-6817 04-3516029 (State or other jurisdiction of incorporation) (Commission File Nu

August 3, 2022 EX-99.6

Third Amendment to Lease, dated June 17, 2019, by and between ABP Borrower Inc. (as successor to RMR West LLC) and Sonesta International Hotels Corporation (as predecessor to the Company).

Exhibit 99.6 {B2401749; 1} THIRD AMENDMENT TO LEASE This Third Amendment to Lease (this ?Third Amendment?) is entered into as of June 17, 2019 /DATE/, by and between ABP Borrower Inc., a Maryland corporation (?Landlord?), and Sonesta International Hotels Corporation, a Maryland corporation (?Tenant?). WHEREAS, RMR West LLC (?Original Landlord?) and Tenant entered into that certain Lease dated June

August 3, 2022 EX-99.3

Lease, dated June 1, 2015, by and between, RMR West LLC and Sonesta International Hotels Corporation (predecessor to

Exhibit 99.3 {B1878467; 2} LEASE BY AND BETWEEN RMR WEST LLC LANDLORD AND SONESTA INTERNATIONAL HOTELS CORPORATION TENANT TWO NEWTON PLACE 255 WASHINGTON STREET NEWTON, MA 02458 {B1878467; 2} - 2 - ARTICLE 1 Reference Data ...........................................................................................................1 1.1 Introduction and Subjects Referred To. .........................

August 3, 2022 EX-99.1

Amendment and Termination of Lease, dated July 2. 2022, by and between the ABP Borrower Inc. and the Company.

Exhibit 99.1 4874-7001-9876, v.1 AMENDMENT AND TERMINATION OF LEASE This Amendment and Termination of Lease (this ?Agreement?) is entered into as of /Date/ July 2, 2022 , by and between ABP Borrower Inc., a Maryland corporation (?Landlord?), and AlerisLife Inc., a Maryland corporation (?Tenant?). WHEREAS, Landlord and Tenant are parties to a lease dated May 12, 2011 as amended by amendments dated

August 3, 2022 EX-99.5

Second Amendment to Lease, dated March 11, 2019, by and between ABP Borrower Inc. (as successor to RMR West LLC) and Sonesta International Hotels Corporation (as predecessor to the Company).

Exhibit 99.5 {B2381222; 2} SECOND AMENDMENT TO LEASE This Second Amendment to Lease (this ?Second Amendment?) is entered into as of March 11, 2019 /DATE/, by and between ABP Borrower Inc., a Maryland corporation (?Landlord?), and Sonesta International Hotels Corporation, a Maryland corporation (?Tenant?). WHEREAS, RMR West LLC (?Original Landlord?) and Tenant entered into that certain Lease dated

August 3, 2022 EX-99.1

AlerisLife Inc. Announces Second Quarter 2022 Results Occupancy Growth of 110 Basis Points Over Prior Sequential Quarter Net Loss Reduction of 10% Over Prior Sequential Quarter Adjusted EBITDA Improvement of $4.1 Million Over Prior Sequential Quarter

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 www.alerislife.com FOR IMMEDIATE RELEASE AlerisLife Inc. Announces Second Quarter 2022 Results Occupancy Growth of 110 Basis Points Over Prior Sequential Quarter Net Loss Reduction of 10% Over Prior Sequential Quarter Adjusted EBITDA Improvement of $4.1 Million Over Prior Sequential Quarter Restructuring Plan is Underway to Im

August 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 ALERISLIFE INC.

August 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2022 ALERISLIFE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission File Numbe

August 3, 2022 EX-99.2

Assignment and Assumption of Lease and Landlord Consent, dated July 2, 2022, by and among, Sonesta International Hotels Corporation,

Exhibit 99.2 4869-4225-9236, v.1 ASSIGNMENT AND ASSUMPTION OF LEASE AND LANDLORD CONSENT This Assignment and Assumption of Lease and Landlord Consent (?Agreement?) is made as of /Date/ July 2, 2022 , by and among Sonesta International Hotels Corporation, a Maryland corporation (?Assignor?), AlerisLife Inc., a Maryland corporation (?Assignee?), and ABP Borrower Inc., a Maryland corporation (?Landlo

August 3, 2022 EX-99.2

Supplemental Presentation August 2022 Nasdaq: ALR Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three months ended June 30, 2022, unless otherwise noted. Also, statements abou

Supplemental Presentation August 2022 Nasdaq: ALR Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three months ended June 30, 2022, unless otherwise noted.

August 3, 2022 EX-99.4

First Amendment to Lease, dated January 1, 2016, by and between RMR West LLC and Sonesta International Hotels Corporation (as predecessor to the Company).

Exhibit 99.4 {B1933109; 1} FIRST AMENDMENT TO LEASE This is a First Amendment to Lease (this ?First Amendment?) dated as of January 1, 2016 by and between RMR West LLC, a Massachusetts limited liability company (?Landlord?) and Sonesta International Hotels Corporation, a Maryland corporation (?Tenant?). WHEREAS, Landlord and Tenant are parties to a Lease dated June 1, 2015 (?Lease?) with respect t

June 8, 2022 EX-10.2

Summary of Director Compensation

Exhibit 10.2 ALERISLIFE INC. Summary of Director Compensation The following is a summary of the currently effective compensation of the Directors of AlerisLife Inc. (the ?Company?) for services as Directors, which is subject to modification at any time by the Board of Directors (the ?Board?) or the Compensation Committee of the Board, as applicable: ? Each Independent Director receives an annual f

June 8, 2022 EX-10.1

AlerisLife Inc. Second Amended and Restated 2014 Equity Compensation Plan

Exhibit 10.1 ALERISLIFE INC. SECOND AMENDED AND RESTATED 2014 EQUITY COMPENSATION PLAN 1. PURPOSE? The purpose of this Second Amended and Restated 2014 Equity Compensation Plan (the ?Plan?) is to encourage employees, officers, directors and other individuals (whether or not employees) who render services to AlerisLife Inc. (formerly known as Five Star Senior Living Inc.) (the ?Company?) and its Su

June 8, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2022 AlerisLife Inc. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission File Number)

June 7, 2022 EX-FILING FEES

Calculation of Filing Fee Table (Filed herewith)

Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) ALERISLIFE INC. (Exact Name of Registrant as Specified in its Charter) Table I: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price(4) Fee Rate Amount of Registration Fee(5) Equity Common Stock, par value

June 7, 2022 S-8

As filed with the Securities and Exchange Commission on June 7, 2022

As filed with the Securities and Exchange Commission on June 7, 2022 Registration No.

May 3, 2022 EX-99.1

AlerisLife Inc. Announces First Quarter 2022 Results

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 www.alerislife.com FOR IMMEDIATE RELEASE AlerisLife Inc. Announces First Quarter 2022 Results Newton, MA (May 3, 2022): AlerisLife Inc. (Nasdaq: ALR) today announced its financial results for the three months ended March 31, 2022. First Quarter Summary of Financial Results: ?Net loss for the first quarter of 2022 was $9.7 mill

May 3, 2022 EX-10.1

Letter Agreement, dated May 2, 2022, between the Company, The RMR Group LLC and Katherine E. Potter (+)

Exhibit 10.1 May 2, 2022 Ms. Katherine E. Potter 300 Commercial Street #413 Boston, MA 02109 Dear Katie: You, AlerisLife Inc. ("AlerisLife") and The RMR Group LLC (?RMR?) are entering into this letter agreement (this "Agreement") to confirm the terms and conditions of your separation on December 31, 2022 or such earlier date you elect as provided below (the "Separation Date"). I.TRANSITION PERIOD

May 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 ALERISLIFE INC.

May 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2022 ALERISLIFE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission File Number)

April 6, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.    ) x Filed by the Registrant ¨ Filed by a Party other than the Regi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.??? ) x Filed by the Registrant ? Filed by a Party other than the Registrant Check the appropriate box: ? Preliminary Proxy Statement ? CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) ? De

April 6, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.??) ? ?? ? ? Filed by the Registrant ? ? ?? ? ? Filed by a Party other than the Registrant ? ? ? Check the appropriate box: ? ? ? ? ?? ? ? ? Preliminary Proxy Statement ? ? ? ? ?? ? ? ? CONFIDENTIAL, FO

February 24, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 ALERISLIFE INC. (Exact Name of Registrant as

February 24, 2022 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 ALERISLIFE INC. SUBSIDIARIES OF THE REGISTRANT Name State of Formation, Organization or Incorporation Annapolis Heritage Partners, LLC Delaware Columbia Heritage Partners, LLC Delaware Encinitas Heritage Partners, LLC Delaware Five Star Aspenwood LLC Delaware Five Star Brookside LLC Delaware Five Star Cary Heartfields LLC Delaware Five Star Coral Oaks LLC Delaware Five Star Coral Spri

February 24, 2022 EX-99.1

AlerisLife Inc. Announces Fourth Quarter and Year End 2021 Results 210 Basis Point Growth in Sequential Quarter Average Occupancy for Owned Communities 150 Basis Point Growth in Sequential Quarter Average Occupancy for Managed Communities Completed C

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 www.alerislife.com FOR IMMEDIATE RELEASE AlerisLife Inc. Announces Fourth Quarter and Year End 2021 Results 210 Basis Point Growth in Sequential Quarter Average Occupancy for Owned Communities 150 Basis Point Growth in Sequential Quarter Average Occupancy for Managed Communities Completed Company Rebrand to AlerisLife $95.0 mi

February 24, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 23, 2022 ALERISLIFE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission File Nu

February 24, 2022 EX-99.2

Investor Presentation February 2022 Nasdaq: ALR 1 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the year ended December 31, 2021, unless otherwise noted. Also, statements about th

Investor Presentation February 2022 Nasdaq: ALR 1 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the year ended December 31, 2021, unless otherwise noted.

February 24, 2022 EX-99.10

Third amendment to lease, dated January 10, 2022 between ABP Borrower Inc (as successor to 400 Centre St LLC) and the Company

Exhibit 99.10 THIRD AMENDMENT TO LEASE This is a Third Amendment to Lease (this ?Third Amendment?) dated as of January 10, 2022 by and between ABP Borrower Inc., a Maryland corporation (?Landlord?) and Five Star Senior Living Inc., a Maryland corporation (?Tenant?). WHEREAS, 400 Centre Street LLC, a Massachusetts limited liability company (?Original Lessor?) and Five Star Quality Care, Inc., a Mar

January 31, 2022 EX-3.4

Amended and Restated Bylaws of the Company, adopted January 25, 2022.

EX-3.4 5 tm224677d1ex3-4.htm EXHIBIT 3.4 Exhibit 3.4 ALERISLIFE INC. AMENDED AND RESTATED BYLAWS As Amended and Restated January 25, 2022 TABLE OF CONTENTS ARTICLE I OFFICES 1 Section 1.1 Principal Office 1 Section 1.2 Additional Offices 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 Section 2.1 Place 1 Section 2.2 Annual Meeting 1 Section 2.3 Special Meetings 1 Section 2.4 Notice of Regular or Special M

January 31, 2022 EX-10.2

Guaranty and Security Agreement, dated January 27, 2022, by AlerisLife Inc. and Five Star Senior Rehabilitation and Wellness Services, LLC in favor of MidCap Funding VIII Trust.

Exhibit 10.2 GUARANTY and security agreement THIS GUARANTY AND SECURITY AGREEMENT (this ?Guaranty?) made as of January 27, 2022, by ALERISLIFE INC., a Maryland corporation (f/k/a Five Star Senior Living Inc.) (?AlerisLife?) and FIVE STAR SENIOR REHABILITATION AND WELLNESS SERVICES, LLC, a Maryland limited liability company doing business as Ageility Physical Therapy Solutions (?Five Star Rehab?; t

January 31, 2022 EX-3.3

Composite Copy of Articles of Amendment and Restatement, dated December 5, 2001, as amended to date (marked copy).

Exhibit 3.3 FIVE STAR SENIOR LIVING ALERISLIFE INC. ARTICLES OF AMENDMENT AND RESTATEMENT December 5, 2001 As amended on November 9, 2004, August 23, 2005, March 28, 2006, 2006, June 10, 2011, March 3, 2017, September 30, 2019 (effective at 4:01 p.m.), and September 30, 2019 (effective at 4:15 p.m.) and January 25, 2022 Five Star Senior Living ALERISLIFE INC. ARTICLES OF AMENDMENT AND RESTATEMENT

January 31, 2022 EX-3.5

Amended and Restated Bylaws of the Company, adopted January 25, 2022 (marked copy).

Exhibit 3.5 FIVE STAR SENIOR LIVING ALERISLIFE INC. AMENDED AND RESTATED BYLAWS As Amended and Restated March 3 January 25, 2017 2022 TABLE OF CONTENTS ARTICLE I OFFICES 1 Section 1.1 Principal Office 1 Section 1.2 Additional Offices 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 Section 2.1 Place 1 Section 2.2 Annual Meeting 1 Section 2.3 Special Meetings 1 Section 2.4 Notice of Regular or Special Meeti

January 31, 2022 EX-3.2

Composite Copy of Articles of Amendment and Restatement, dated December 5, 2001, as amended to date.

Exhibit 3.2 ALERISLIFE INC. ARTICLES OF AMENDMENT AND RESTATEMENT December 5, 2001 As amended on November 9, 2004, August 23, 2005, March 28, 2006, June 10, 2011, March 3, 2017, September 30, 2019 (effective at 4:01 p.m.), September 30, 2019 (effective at 4:15 p.m.), and January 25, 2022 aLERISLIFE Inc. ARTICLES OF AMENDMENT AND RESTATEMENT Article I NAME The name of the corporation (the ?Corporat

January 31, 2022 EX-3.1

Articles of Amendment, dated January 25, 2022

Exhibit 3.1 FIVE STAR SENIOR LIVING INC. ARTICLES OF AMENDMENT Five Star Senior Living Inc., a Maryland corporation (the ?Company?), hereby certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: The charter of the Company (the ?Charter?) is hereby amended to change the name of the Company to ?AlerisLife Inc.? All references in the Charter to ?Five Star Senior Living

January 31, 2022 EX-10.1

Credit and Security Agreement, dated January 27, 2022, among certain subsidiaries of AlerisLife Inc., MidCap Funding VIII Trust, as administrative agent, the lenders from time to time party thereto

Exhibit 10.1 CREDIT AND SECURITY AGREEMENT dated as of January 27, 2022 by and among FSQ THE PALMS AT FORT MYERS LLC, FSQ VILLA AT RIVERWOOD LLC, FIVE STAR QUALITY CARE-NJ, LLC, FIVE STAR QUALITY CARE ? OBX OWNER, LLC, FIVE STAR QUALITY CARE ? OBX OPERATOR, LLC, FIVE STAR COVINGTON LLC, MORNINGSIDE OF CONCORD, LLC, MORNINGSIDE OF GREENSBORO, LLC, MORNINGSIDE OF ALABAMA, L.P., MORNINGSIDE OF SPRING

January 31, 2022 EX-3.6

Form of Common Stock Certificate.

Exhibit 3.6

January 31, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 25, 2022 ALERISLIFE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commission File N

November 24, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 18, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Com

November 24, 2021 EX-10.1

Letter Agreement, dated November 22, 2021, by and between Margaret Wigglesworth and Five Star Senior Living Inc.

Exhibit 10.1 November 18, 2021 Ms. Margaret Wigglesworth 33 Monument Street Wenham, MA 01984 Dear Margaret: You and Five Star Senior Living Inc. ("Five Star") are entering into this letter agreement (this "Agreement") to confirm the terms and conditions of your retirement from Five Star on December 31, 2021 or such earlier date you elect as provided below (the "Retirement Date"). I. TRANSITION PER

November 3, 2021 EX-99.2

Investor Presentation November 2021 Nasdaq: FVE 2 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three and nine months ended September 30, 2021, unless otherwise noted. Also, s

Investor Presentation November 2021 Nasdaq: FVE 2 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three and nine months ended September 30, 2021, unless otherwise noted.

November 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

November 3, 2021 EX-99.1

Five Star Senior Living Inc. Announces Third Quarter 2021 Results Owned Communities Sequential Quarter End Occupancy Growth of 280 Basis Points 130 Basis Point Increase in Sequential Quarter End Occupancy in DHC Communities Five Star Will Continue to

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Five Star Senior Living Inc. Announces Third Quarter 2021 Results Owned Communities Sequential Quarter End Occupancy Growth of 280 Basis Points 130 Basis Point Increase in Sequential Quarter End Occupancy in DHC Communities Five Star Will Continue to Manage Completed 69 of 108 Pla

November 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 3, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commis

August 5, 2021 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q/A (AMENDMENT NO. 1) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION RE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q/A (AMENDMENT NO.

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

August 4, 2021 EX-99.1

Five Star Senior Living Inc. Announces Second Quarter 2021 Results Owned and Leased Communities Sequential Spot Occupancy Growth of 150 Basis Points Executed on Strategic Plan by Closing 1,473 Skilled Nursing Facility Units During the Second Quarter

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Five Star Senior Living Inc. Announces Second Quarter 2021 Results Owned and Leased Communities Sequential Spot Occupancy Growth of 150 Basis Points Executed on Strategic Plan by Closing 1,473 Skilled Nursing Facility Units During the Second Quarter Agreements in Place to Transiti

August 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 4, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissi

August 4, 2021 EX-99.2

Investor Presentation August 2021 Nasdaq: FVE 2 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three and six months ended June 30, 2021, unless otherwise noted. Also, statement

Investor Presentation August 2021 Nasdaq: FVE 2 Warning Concerning Forward-Looking Statements Note: Data throughout this presentation is unaudited and as of and for the three and six months ended June 30, 2021, unless otherwise noted.

July 29, 2021 CORRESP

FIVE STAR SENIOR LIVING INC. 400 Centre Street Newton, Massachusetts 02458

FIVE STAR SENIOR LIVING INC. 400 Centre Street Newton, Massachusetts 02458 July 29, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F. Street, N.E. Washington, D.C. 20549 RE: Five Star Senior Living Inc. Registration Statement on Form S-3 (File No. 333-258148) Request for Acceleration Ladies and Gentlemen: Pursuant to Rule 461 promulgated under the Securi

July 26, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2021 Five Star Senior Living Inc. (Exact Name of Registrant as Specified in its Charter) Maryland 1-6817 04-3516029 (State or other jurisdiction of incorporation) (Commission

July 23, 2021 EX-4.4

Form of Senior Subordinated Indenture.**

Exhibit 4.4 FIVE STAR SENIOR LIVING INC. TO Indenture Dated as of , 20 Senior Subordinated Debt Securities Certain Sections of this Indenture relating to Sections 3.10 through 3.18, inclusive, of the Trust Indenture Act of 1939: Trust Indenture Act Section Indenture Section ? 310(a)(1) 609 (a)(2) 609 (a)(3) Not Applicable (a)(4) Not Applicable (a)(5) 609 (b) 608 ? 311(a) 613 (b) 613 ? 312(a) 701 (

July 23, 2021 EX-25.1

Statement of Eligibility of Trustee on Form T-1 under the Trust Indenture Act of 1939, as amended, of the trustee under the Senior Indenture.**

Exhibit 25.1 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ? U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

July 23, 2021 EX-25.3

Statement of Eligibility of Trustee on Form T-1 under the Trust Indenture Act of 1939, as amended, of the trustee under the Junior Subordinated Indenture.**

Exhibit 25.3 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ? U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

July 23, 2021 EX-4.3

Form of Senior Indenture.**

Exhibit 4.3 FIVE STAR SENIOR LIVING INC. TO Indenture Dated as of , 20 Senior Debt Securities Certain Sections of this Indenture relating to Sections 3.10 through 3.18, inclusive, of the Trust Indenture Act of 1939: Trust Indenture Act Section Indenture Section ?310(a)(1) 609 (a)(2) 609 (a)(3) Not Applicable (a)(4) Not Applicable (a)(5) 609 (b) 608 ?311(a) 613 (b) 613 ?312(a) 701 (b) 702 (c) 702 ?

July 23, 2021 EX-25.2

Statement of Eligibility of Trustee on Form T-1 under the Trust Indenture Act of 1939, as amended, of the trustee under the Senior Subordinated Indenture.**

Exhibit 25.2 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ? U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

July 23, 2021 S-3

As filed with the Securities and Exchange Commission on July 23, 2021

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on July 23, 2021 Registration No.

July 23, 2021 EX-4.5

Form of Junior Subordinated Indenture.**

Exhibit 4.5 FIVE STAR SENIOR LIVING INC. TO Indenture Dated as of , 20 Junior Subordinated Debt Securities Certain Sections of this Indenture relating to Sections 3.10 through 3.18, inclusive, of the Trust Indenture Act of 1939: Trust Indenture Act Section Indenture Section ? 310(a)(1) 609 (a)(2) 609 (a)(3) Not Applicable (a)(4) Not Applicable (a)(5) 609 (b) 608 ? 311(a) 613 (b) 613 ? 312(a) 701 (

June 15, 2021 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 14, 2021 Five Star Senior Living Inc. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissio

June 15, 2021 EX-16.1

Letter of RSM US LLP, dated June 15, 2021

Exhibit 16.1

June 9, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2021 Five Star Senior Living Inc. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission

June 9, 2021 EX-10.1

Amended and Restated Master Management Agreement, dated June 9, 2021

Exhibit 10.1 AMENDED AND RESTATED master MANAGEMENT AGREEMENT June 9, 2021 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.01. AAA 1 Section 1.02. Accountants 1 Section 1.03. Adverse Regulatory Event 1 Section 1.04. Affiliate 1 Section 1.05. Agreement 2 Section 1.06. Annual Operating Budget 2 Section 1.07. Appellate Rules 2 Section 1.08. Approved Budget 2 Section 1.09. Award 2 Section 1.1

June 9, 2021 EX-10.3

Summary of Director Compensation

Exhibit 10.3 FIVE STAR SENIOR LIVING INC. Summary of Director Compensation The following is a summary of the currently effective compensation of the Directors of Five Star Senior Living Inc. (the ?Company?) for services as Directors, which is subject to modification at any time by the Board of Directors (the ?Board?) or the Compensation Committee of the Board, as applicable: ? Each Independent Dir

June 9, 2021 EX-10.2

Amended and Restated Guaranty Agreement, dated June 9, 2021

Exhibit 10.2 AMENDED AND RESTATED GUARANTY AGREEMENT THIS AMENDED AND RESTATED GUARANTY AGREEMENT (this ?Guaranty?) is entered into as of June 9, 2021, by FIVE STAR SENIOR LIVING INC., a Maryland corporation (?Guarantor?), for the benefit of Diversified Healthcare Trust (?DHC?), a Maryland real estate investment trust, and certain of DHC?s wholly owned subsidiaries identified on Schedule 1 attache

May 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 5, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission

May 5, 2021 EX-99.2

Investor Presentation May 2021 Nasdaq: FVE “To honor and enrich the journey of life, one experience at a time.” 2 Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within th

Investor Presentation May 2021 Nasdaq: FVE ?To honor and enrich the journey of life, one experience at a time.

May 5, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

May 5, 2021 EX-99.1

Five Star Senior Living Inc. Announces First Quarter 2021 Results First Quarter Total Management and Operating Revenues of $50.5 Million First Quarter Net Income of $3.3 Million and Net Income Per Diluted Share of $0.10 Recently Announced Strategic P

EX-99.1 2 a3312021-exhibit991.htm EX-99.1 Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Five Star Senior Living Inc. Announces First Quarter 2021 Results First Quarter Total Management and Operating Revenues of $50.5 Million First Quarter Net Income of $3.3 Million and Net Income Per Diluted Share of $0.10 Recently Announced

April 12, 2021 EX-99.1

Five Star Senior Living Announces New Strategic Plan Which Will Reposition Senior Living Management Business and Completely Exit the Skilled Nursing Business Five Star is Capitalizing on its Operational Strengths with Enhanced Focus on Larger Senior

Exhibit 99.1 FOR IMMEDIATE RELEASE Five Star Senior Living Announces New Strategic Plan Which Will Reposition Senior Living Management Business and Completely Exit the Skilled Nursing Business Five Star is Capitalizing on its Operational Strengths with Enhanced Focus on Larger Senior Living Communities and Stand-Alone Active Adult and Independent Living Communities Five Star to Exit Management of

April 12, 2021 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 7, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commiss

April 7, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) Definitive Prox

April 7, 2021 DEF 14A

definitive Proxy Statement for our 2021 Annual Meeting of Shareholders filed on April 7, 2021

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 9, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 9, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commiss

March 9, 2021 EX-99.1

March 2021 business update presentation

Exhibit 99.1 Business Update Riley NDR March 9, 2021 ?To honor and enrich the journey of life, one experience at a time.? Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other securities laws. Whenever we use words such as ?believe?, ?expect?

February 25, 2021 EX-99.4

2021, between ABP Borrower Inc. (as successor to 400 Centre Street LLC) and the Company.

Exhibit 99.4 SECOND AMENDMENT TO LEASE This is a Second Amendment to Lease (this ?Second Amendment?) dated as of February 24, 2021 by and between ABP Borrower Inc., a Maryland corporation (?Landlord?) and Five Star Senior Living Inc., a Maryland corporation (?Tenant?). WHEREAS, 400 Centre Street LLC, a Massachusetts limited liability company (?Original Lessor?) and Five Star Quality Care, Inc., a

February 25, 2021 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 FIVE STAR SENIOR LIVING INC. SUBSIDIARIES OF THE REGISTRANT Name State of Formation, Organization or Incorporation Annapolis Heritage Partners, LLC Delaware Columbia Heritage Partners, LLC Delaware Encinitas Heritage Partners, LLC Delaware Five Star Aspenwood LLC Delaware Five Star Brookside LLC Delaware Five Star Cary Heartfields LLC Delaware Five Star Coral Oaks LLC Delaware Five St

February 25, 2021 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC. (Exact Name of

February 25, 2021 EX-10.4

Form of Share Award Agreement.(+) (for share grants under the Company’s 2014 Equity Compensation Plan on and after December 14, 2020)

Exhibit 10.4 FIVE STAR SENIOR LIVING INC. Share Award Agreement This Share Award Agreement (this ?Agreement?) is made as of ?DATE?, between ?NAME? (the ?Recipient?) and Five Star Senior Living Inc. (the ?Company?). In consideration of the mutual promises and covenants contained in this Agreement, and for other valuable consideration, the receipt and sufficiency of which are hereby acknowledged, th

February 24, 2021 EX-99.1

Five Star Senior Living Inc. Announces Fourth Quarter 2020 Results Fourth Quarter Total Management and Operating Revenues of $53.0 Million Fourth Quarter Net Income of $2.9 Million and Net Income Per Diluted Share of $0.09 Fourth Quarter Adjusted EBI

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Contact: Olivia Snyder, Manager, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Fourth Quarter 2020 Results Fourth Quarter Total Management and Operating Revenues of $53.0 Million Fourth Quarter Net Income of $2.9 Million and Net Income Per Diluted Share

February 24, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 24, 2021 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commi

February 24, 2021 EX-99.2

Investor Presentation February 2021 “To honor and enrich the journey of life, one experience at a time.” 2 Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within the meani

Investor Presentation February 2021 ?To honor and enrich the journey of life, one experience at a time.

November 5, 2020 EX-99.2

Investor Presentation November 2020 “To honor and enrich the journey of life, one experience at a time.” Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within the meaning

fveinvestorpresentation3 Investor Presentation November 2020 “To honor and enrich the journey of life, one experience at a time.

November 5, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

November 5, 2020 EX-99.1

Five Star Senior Living Inc. Announces Third Quarter 2020 Results Third Quarter Total Management and Operating Revenues of $55.0 Million Third Quarter Net Income of $3.7 Million and Net Income Per Diluted Share of $0.12 Third Quarter Adjusted EBITDA

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Contact: Olivia Snyder, Manager, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Third Quarter 2020 Results Third Quarter Total Management and Operating Revenues of $55.0 Million Third Quarter Net Income of $3.7 Million and Net Income Per Diluted Share of

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 5, 2020 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commis

August 6, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

August 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 6, 2020 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissi

August 6, 2020 EX-99.1

Five Star Senior Living Inc. Announces Second Quarter 2020 Results Second Quarter Total Management and Operating Revenues of $54.6 Million Second Quarter Net Income of $3.0 million and Net Income Per Diluted Share of $0.10 Second Quarter Adjusted EBI

Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Second Quarter 2020 Results Second Quarter Total Management and Operating Revenues of $54.6 Million Second Quarter Net Income of $3.0 million and Net Income Per Diluted Sha

August 6, 2020 EX-99.2

Investor Presentation August 2020 “To honor and enrich the journey of life, one experience at a time.” Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within the meaning o

EX-99.2 3 fveinvestorpresentation2.htm EX-99.2 Investor Presentation August 2020 “To honor and enrich the journey of life, one experience at a time.” Warning Concerning Forward-Looking Statements This presentation contains statements that constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other securities laws. Whenever we use words

June 9, 2020 EX-10.2

Summary of Director Compensation.(+)

Exhibit 10.2 FIVE STAR SENIOR LIVING INC. Summary of Director Compensation The following is a summary of the currently effective compensation of the Directors of Five Star Senior Living Inc. (the “Company”) for services as Directors, which is subject to modification at any time by the Board of Directors (the “Board”) or the Compensation Committee of the Board, as applicable: · Each Independent Dir

June 9, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2020 Five Star Senior Living Inc. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission

June 9, 2020 S-8

Form S-8 filed by the Registrant on June 9, 2020 (File No. 333-239034)

As filed with the Securities and Exchange Commission on June 9, 2020 Registration No.

June 9, 2020 EX-10.1

Five Star Senior Living Inc. Amended and Restated 2014 Equity Compensation Plan

Exhibit 10.1 FIVE STAR SENIOR LIVING INC. AMENDED AND RESTATED 2014 EQUITY COMPENSATION PLAN EFFECTIVE JUNE 9, 2020 1. PURPOSE The purpose of this Amended and Restated 2014 Equity Compensation Plan (the "Plan") is to encourage employees, officers, directors and other individuals (whether or not employees) who render services to Five Star Senior Living Inc. (the "Company") and its Subsidiaries (as

May 12, 2020 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant Check the appropriate box: o Preliminary Proxy Statement o CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) o Defin

May 7, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 7, 2020 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commission

May 7, 2020 EX-99.1

Five Star Senior Living Inc. Announces First Quarter 2020 Results First Quarter Total Revenues of $297.4 Million First Quarter Net Loss of $17.2 million and Net Loss Per Diluted Share of $0.55 First Quarter Adjusted EBITDA of $12.4 million

EX-99.1 2 a3312020-exhibit991.htm EX-99.1 Exhibit 99.1 400 Centre Street Newton, Massachusetts 02458 617-796-8387 fivestarseniorliving.com FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces First Quarter 2020 Results First Quarter Total Revenues of $297.4 Million First Quarter Net Loss of $17.2 million and Net Loss Per

May 7, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

April 15, 2020 DEF 14A

The information identified as incorporated by reference under Items 10, 11, 12, 13 and 14 of Part III of the 2019 Annual Report on Form 10-K to the Registrant’s definitive Proxy Statement for the Registrant’s 2020 Annual Meeting of Stockholders filed on April 15, 2020; and

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 15, 2020 DEFA14A

FVE / Five Star Quality Care, Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) Definitive Prox

March 18, 2020 SC 13D/A

FVE / Five Star Quality Care, Inc. / SENIOR HOUSING PROPERTIES TRUST - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

March 2, 2020 EX-10.10

Omnibus Agreement, dated as of January 1, 2020, among the Company, FVE Managers, Inc. and certain subsidiaries of Diversified Healthcare Trust.

Exhibit 10.10 OMNIBUS AGREEMENT THIS OMNIBUS AGREEMENT is made as of January 1, 2020 (the “Effective Date”), by and among the parties identified herein as the FVE Parties and the parties identified herein as the SNH Parties. RECITALS: The FVE Parties manage real properties and improvements owned by the SNH Parties and their Affiliates, which are operated as senior living communities. The SNH Parti

March 2, 2020 EX-10.11

Guaranty Agreement, dated as of January 1, 2020, by the Company for the benefit of certain subsidiaries of Diversified Healthcare Trust.

Exhibit 10.11 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT (this “Guaranty”) is entered into as of January 1, 2020, by FIVE STAR SENIOR LIVING INC., a Maryland corporation (“Guarantor”), for the benefit of the parties identified as the SNH Parties on Schedule 1 attached hereto and made a part hereof (each an “SNH Party”). W I T N E S S E T H : WHEREAS, Guarantor and Senior Housing Properties Trust (

March 2, 2020 EX-4.3

Description of Securities.

Exhibit 4.3 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 26, 2020, Five Star Senior Living Inc. (the “Company,” “we,” “us” or “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), common stock, $.01 par value per share (“common shar

March 2, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 2, 2020 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissio

March 2, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC. (Exact Name of

March 2, 2020 EX-10.5

Form of Indemnification Agreement.(+)

Exhibit 10.5 FIVE STAR SENIOR LIVING INC. FORM OF [AMENDED AND RESTATED]1 INDEMNIFICATION AGREEMENT THIS [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT (this “Agreement”), effective as of [DATE] (the “Effective Date”), by and between Five Star Senior Living Inc., a Maryland corporation (the “Company”), and [DIRECTOR/OFFICER] (“Indemnitee”). WHEREAS, Indemnitee currently serves as a director and/

March 2, 2020 EX-99.1

Five Star Senior Living Inc. Announces Fourth Quarter and Year End 2019 Results Fourth Quarter Net Income of $16.1 Million and Net Income Per Diluted Share of $3.15 Fourth Quarter Pro Forma Net Income of $5.8 Million and Pro Forma EBITDA of $10.5 Mil

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Fourth Quarter and Year End 2019 Results Fourth Quarter Net Income of $16.1 Million and Net Income Per Diluted Share of $3.15 Fourth Quarter Pro Forma Net Income of $5.8 Million and Pro Forma EBITDA of $10.5 Million Newton, MA (March 2, 2020): Five Star Se

March 2, 2020 EX-99.1

Representative form of Management Agreement, dated as of January 1, 2020.

Exhibit 99.1 MANAGEMENT AGREEMENT FOR MORNINGSIDE OF FAYETTEVILLE 4461 N. CROSSOVER ROAD FAYETTEVILLE, AR 72703 JANUARY 1, 2020 - i - TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.01. “AAA” 1 Section 1.02. “Accountants” 1 Section 1.03. “Adverse Regulatory Event” 1 Section 1.04. “Affiliate” 1 Section 1.05. “Agreement” 1 Section 1.06. “Annual Operating Budget” 1 Section 1.07. “Appellate R

January 2, 2020 SC 13D/A

FVE / Five Star Quality Care, Inc. / SENIOR HOUSING PROPERTIES TRUST - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

January 2, 2020 8-K

Changes in Control of Registrant, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 1, 2020 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commi

January 2, 2020 SC 13D/A

FVE / Five Star Quality Care, Inc. / ABP Acquisition LLC - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

December 16, 2019 424B3

26,431,309 Shares Five Star Senior Living Inc. Common Stock (Par Value $.01 Per Share)

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No.

December 12, 2019 CORRESP

FVE / Five Star Quality Care, Inc. CORRESP - -

December 12, 2019 VIA EDGAR AND FACSIMILE United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, NE Washington, D.

December 11, 2019 S-1/A

FVE / Five Star Quality Care, Inc. S-1/A - - S-1/A

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents As filed with the Securities and Exchange Commission on December 11, 2019 Registration No.

November 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 6, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commis

November 6, 2019 EX-99.1

Five Star Senior Living Inc. Announces its Third Quarter 2019 Results Third Quarter Senior Living Revenues of $270.0 Million Third Quarter Net Loss of $7.1 Million Third Quarter Pro Forma Net Income of $4.1 Million, Pro Forma EBITDA of $8.3 Million a

EX-99.1 2 a9302019-exhibit991.htm EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces its Third Quarter 2019 Results Third Quarter Senior Living Revenues of $270.0 Million Third Quarter Net Loss of $7.1 Million Third Quarter Pro Forma Net Income of $4.1 Million, Pro Forma EBITDA of $8.3 Million and

November 6, 2019 EX-10.1

Exhibit 10.1 to our Quarterly Report on Form 10-Q for the quarter ended September 30, 2019

Exhibit 10.1 FIVE STAR SENIOR LIVING INC. FORM OF [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT THIS [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT (this “Agreement”), effective as of [DATE] (the “Effective Date”), by and between Five Star Senior Living Inc., a Maryland corporation (the “Company”), and [DIRECTOR/OFFICER] (“Indemnitee”). WHEREAS, Indemnitee currently serves as a director and/o

November 6, 2019 EX-10.6

Partial Termination of and Seventh Amendment to Amended and Restated Master Lease Agreement (Lease No. 4), dated as of September 17, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Filed herewith.)

Exhibit 10.6 PARTIAL TERMINATION OF AND SEVENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 4) THIS PARTIAL TERMINATION OF AND SEVENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 4) (this “Amendment”) is made and entered into as of September 17, 2019, by and among each of the parties identified on the signature page hereof as a landlord (collectively

November 6, 2019 EX-4.1

Form of Common Stock Certificate. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2019.)

fveexhibit41formofcommon Exhibit 4.1 SEE REVERSE FOR IMPORTANT NOTICE ON TRANSFER RESTRICTIONS AND OTHER INFORMATION CUSIP 33832D 20 5 A CORPORATION FORMED UNDER THE LAWS OF THE STATE OF MARYLAND THIS CERTIFIES THAT BY COUNTERSIGNED AND REGISTERED: EQUINITI TRUST COMPANY is the owner of FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $.01 PAR VALUE PER SHARE, OF FIVE STAR SENIOR LIVING INC. (

November 6, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

November 6, 2019 EX-10.3

Partial Termination of and Nineteenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 1), dated as of September 17, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Filed herewith.)

Exhibit 10.3 PARTIAL TERMINATION OF AND NINETEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) THIS PARTIAL TERMINATION OF AND NINETEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) (this “Amendment”) is made and entered into as of September 17, 2019, by and among each of the parties identified on the signature pages hereof as a landlord (colle

November 6, 2019 EX-3.1

Composite Copy of Articles of Amendment and Restatement, dated December 5, 2001, as amended to date. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2019.)

Exhibit 3.1 FIVE STAR SENIOR LIVING INC. ARTICLES OF AMENDMENT AND RESTATEMENT December 5, 2001 As amended on November 9, 2004, August 23, 2005, March 28, 2006, June 10, 2011, March 3, 2017, September 30, 2019 (effective at 4:01 p.m.) and September 30, 2019 (effective at 4:15 p.m.) FIVE STAR SENIOR LIVING INC. ARTICLES OF AMENDMENT AND RESTATEMENT ARTICLE I NAME The name of the corporation (the “C

November 6, 2019 EX-10.4

Thirteenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 2), dated as of May 22, 2019, effective as of April 1, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Filed herewith.)

Exhibit 10.4 THIRTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) THIS THIRTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) (this “Amendment”) is made and entered into as of May 22, 2019, by and among each of the parties identified on the signature pages hereof as a landlord (collectively, “Landlord”) and each of the parties identified on t

November 6, 2019 EX-10.2

Eighteenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 1), dated as of May 22, 2019, effective as of April 1, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Filed herewith.)

Exhibit 10.2 EIGHTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) THIS EIGHTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) (this “Amendment”) is made and entered into as of May 22, 2019, by and among each of the parties identified on the signature pages hereof as a landlord (collectively, “Landlord”) and each of the parties identified on t

November 6, 2019 EX-10.5

Partial Termination of and Fourteenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 2), dated as of September 17, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Filed herewith.)

Exhibit 10.5 PARTIAL TERMINATION OF AND FOURTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) THIS PARTIAL TERMINATION OF AND FOURTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) (this “Amendment”) is made and entered into as of September 17, 2019, by and among each of the parties identified on the signature pages hereof as a landlord (colle

October 16, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 15, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Comm

September 30, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

8-K 1 a19-1918318k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 30, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporatio

September 30, 2019 EX-3.1

Articles of Amendment of Five Star Senior Living Inc., dated September 30, 2019. (Filed herewith.)

Exhibit 3.1 ARTICLES OF AMENDMENT OF FIVE STAR SENIOR LIVING INC. Five Star Senior Living Inc., a Maryland corporation (the “Company”), hereby certifies to the State Department of Assessments and Taxation of Maryland (the “SDAT”) that: FIRST: At the Effective Time, the Articles of Amendment and Restatement dated December 5, 2001, as amended to date (the “Articles”), shall be amended to provide tha

September 30, 2019 EX-3.2

Articles of Amendment of Five Star Senior Living Inc., dated September 30, 2019. (Filed herewith.)

EX-3.2 3 a19-191831ex3d2.htm EX-3.2 Exhibit 3.2 ARTICLES OF AMENDMENT OF FIVE STAR SENIOR LIVING INC. Five Star Senior Living Inc., a Maryland corporation (the “Company”), hereby certifies to the State Department of Assessments and Taxation of Maryland (the “SDAT”) that: FIRST: At the Effective Time, the Articles of Amendment and Restatement dated December 5, 2001, as amended to date (the “Article

September 27, 2019 S-1

Power of Attorney*

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents As filed with the Securities and Exchange Commission on September 27, 2019 Registration No.

August 7, 2019 EX-99.1

Five Star Senior Living Inc. Announces its Second Quarter 2019 Results Second Quarter Revenues of $274.5 million Second Quarter Net Income of $4.2 million Second Quarter Adjusted EBITDA of $8.6 million Occupancy Increased 160 Basis Points in Second Q

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces its Second Quarter 2019 Results Second Quarter Revenues of $274.5 million Second Quarter Net Income of $4.2 million Second Quarter Adjusted EBITDA of $8.6 million Occupancy Increased 160 Basis Points in Second Quarter Compared to Last Year Newton, MA (Augu

August 7, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 7, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissi

August 7, 2019 EX-10.5

Form of Indemnification Agreement.(+) (Filed herewith.)

Exhibit 10.5 FIVE STAR SENIOR LIVING INC. FORM OF [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT THIS [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT (this “Agreement”), effective as of [DATE] (the “Effective Date”), by and between Five Star Senior Living Inc., a Maryland corporation (the “Company”), and [DIRECTOR/OFFICER] (“Indemnitee”). WHEREAS, Indemnitee currently serves as a director and/o

August 7, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

August 7, 2019 EX-10.4

Partial Termination of and Twelfth Amendment to Amended and Restated Master Lease Agreement (Lease No. 2), dated as of May 1, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2019.)

Exhibit 10.4 PARTIAL TERMINATION OF AND TWELFTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) THIS PARTIAL TERMINATION OF AND TWELFTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) (this “Amendment”) is made and entered into as of May 1, 2019, by and among each of the parties identified on the signature pages hereof as a landlord (collectively, “Lan

August 7, 2019 EX-10.3

Partial Termination of and Seventeenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 1), dated as of May 1, 2019, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2019.)

Exhibit 10.3 PARTIAL TERMINATION OF AND SEVENTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) THIS PARTIAL TERMINATION OF AND SEVENTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) (this “Amendment”) is made and entered into as of May 1, 2019 by and among each of the parties identified on the signature pages hereof as a landlord (collectivel

June 13, 2019 EX-99.1

Five Star Senior Living Inc. Stockholders Approve Issuance of Stock to Senior Housing Properties Trust and Its Shareholders Effective January 1, 2020 Five Star Obtains New $65 Million Senior Secured Credit Facility Announces Intention to Effect One-f

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Michael Kodesch, Director, Investor Relations (617) 796-8234 www.fivestarseniorliving.com Five Star Senior Living Inc. Stockholders Approve Issuance of Stock to Senior Housing Properties Trust and Its Shareholders Effective January 1, 2020 Five Star Obtains New $65 Million Senior Secured Credit Facility Announces Intention to Effect One-for-10 Reverse St

June 13, 2019 EX-10.2

Summary of Director Compensation. (Incorporated by reference to the Company's Current Report on Form 8-K dated June 11, 2019.)

Exhibit 10.2 FIVE STAR SENIOR LIVING INC. Summary of Director Compensation The following is a summary of the currently effective compensation of the Directors of Five Star Senior Living Inc. (the “Company”) for services as Directors, which is subject to modification at any time by the Board of Directors (the “Board”) or the Compensation Committee of the Board, as applicable: · Each Independent Dir

June 13, 2019 EX-10.1

Second Amended and Restated Credit Agreement, dated as of June 12, 2019, among the Company, the Guarantors party thereto, Citibank, N.A. and the other parties thereto.

Exhibit 10.1 EXECUTION VERSION $65,000,000 SECOND AMENDED AND RESTATED CREDIT AGREEMENT Dated as of June 12, 2019 among FIVE STAR SENIOR LIVING INC., as Borrower, THE GUARANTORS NAMED HEREIN, as Guarantors, THE INITIAL LENDERS, INITIAL ISSUING BANKS AND SWING LINE BANKS NAMED HEREIN, as Initial Lenders, Initial Issuing Banks and Swing Line Banks, and CITIBANK, N.A., as Administrative Agent and as

June 13, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2019 Five Star Senior Living Inc. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissio

May 9, 2019 DEFA14A

FVE / Five Star Quality Care, Inc. DEFA14A DEFA14A

DEFA14A 1 a19-97281defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as

May 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a3312019-8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 8, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-168

May 8, 2019 EX-99.1

Five Star Senior Living Inc. Announces First Quarter 2019 Results Senior Living Revenue Increased for Third Consecutive Quarter Occupancy Increased 120 Basis Points Since the First Quarter of 2018 First Quarter Net Loss of $33.2 million First Quarter

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Brad Shepherd, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces First Quarter 2019 Results Senior Living Revenue Increased for Third Consecutive Quarter Occupancy Increased 120 Basis Points Since the First Quarter of 2018 First Quarter Net Loss of $33.2 million First Quarter Adjusted EBITDA of $2 million Newton, MA (May

May 8, 2019 EX-10.5

Letter Agreement, dated as of May 2, 2019, between the Company and Richard A. Doyle. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2019.)

Exhibit 10.5 [Five Star Senior Living Inc. Letterhead] May 2, 2019 Mr. Richard A. Doyle, Jr. 561 Nahatan Street Norwood, MA 02062 Dear Rick: You, Five Star Senior Living Inc. (“FVE”) and The RMR Group LLC (“RMR”) are entering into this letter agreement (this “Agreement”) to confirm the terms and conditions of your separation from FVE and RMR on December 31, 2019 or such earlier date you elect as p

May 8, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

April 25, 2019 DEFA14A

FVE / Five Star Quality Care, Inc. DEFA14A

DEFA14A 1 a19-24664defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITT

April 25, 2019 DEFA14A

FVE / Five Star Quality Care, Inc. DEFA14A

DEFA14A 1 a19-24663defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITT

April 25, 2019 DEF 14A

definitive Proxy Statement for our 2019 Annual Meeting of Stockholders dated April 25, 2019

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 15, 2019 PRE 14A

FVE / Five Star Quality Care, Inc. PRE 14A

PRE 14A 1 a2238454zpre14a.htm PRE 14A QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy S

April 8, 2019 SC 13D/A

FVE / Five Star Quality Care, Inc. / ABP Acquisition LLC - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

April 8, 2019 EX-99.13

AGREEMENT OF JOINT FILING

Exhibit 99.13 AGREEMENT OF JOINT FILING We, the undersigned, hereby express our agreement that the attached Schedule 13D/A relating to the shares of common stock, par value $.01 per share, of Five Star Senior Living Inc. dated as of April 5, 2019, is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisio

April 5, 2019 SC 13D

FVE / Five Star Quality Care, Inc. / SENIOR HOUSING PROPERTIES TRUST - SC 13D Activist Investment

SC 13D 1 a19-79461sc13d.htm SC 13D SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. )* FIVE STAR SENIOR LIVING INC. (Name of Issuer) Common Stock, $.01 par value (Title of Class

April 4, 2019 EX-10.1

Transaction Agreement, dated as of April 1, 2019, between the Company and Diversified Healthcare Trust.

Exhibit 10.1 Execution Version TRANSACTION AGREEMENT by and between FIVE STAR SENIOR LIVING INC. and SENIOR HOUSING PROPERTIES TRUST April 1, 2019 TABLE OF CONTENTS Page SECTION 1 DEFINITIONS 1 1.1 Definitions 1 SECTION 2 TRANSACTIONS 6 2.1 Preliminary Matters 6 2.2 Restructuring Transactions 8 SECTION 3 CONDITIONS TO RESTRUCTURING TRANSACTIONS 8 3.1 Conditions to Obligations of SNH 8 3.2 Conditio

April 4, 2019 EX-10.2

Credit Agreement, dated as of April 1, 2019, among Senior Housing Properties Trust, the Company and the guarantors party thereto. (Incorporated by reference to the Company's Current Report on Form 8-K dated April 1, 2019.)

Exhibit 10.2 Execution Version CREDIT AGREEMENT Dated as of April 1, 2019 among FIVE STAR SENIOR LIVING INC., as Borrower, THE GUARANTORS NAMED HEREIN, as Guarantors, SENIOR HOUSING PROPERTIES TRUST, as Lender TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND ACCOUNTING TERMS 1 SECTION 1.01 Certain Defined Terms 1 SECTION 1.02 Computation of Time Periods; Other Definitional Provisions 6 ARTICLE II

April 4, 2019 EX-10.3

Voting Agreement, dated as of April 1, 2019, between the Company and ABP Trust. (Incorporated by reference to the Company's Current Report on Form 8-K dated April 1, 2019.)

Exhibit 10.3 Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this “Agreement”) is made as of April 1, 2019, by and between Five Star Senior Living Inc., a Maryland corporation (the “Company”), and ABP Trust, a Maryland statutory trust, in its capacity as the sole member of ABP Acquisition LLC (the “Stockholder”). RECITALS: 1. ABP Acquisition LLC is the beneficial and record owner of 17,9

April 4, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 1, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commiss

March 11, 2019 EX-10.1

Letter Agreement, dated as of March 11, 2019, between the Company and Senior Housing Properties Trust. (Incorporated by reference to the Company's Current Report on Form 8-K dated March 11, 2019.)

Exhibit 10.1 March 11, 2019 Five Star Senior Living Inc. 400 Centre Street Newton, MA 02458 Ladies and Gentlemen: Reference is made to those certain Amended and Restated Master Lease Agreements, Nos. 1-5 (the “Master Leases”), among certain subsidiaries of Senior Housing Properties Trust, as landlord (“SNH”), and certain subsidiaries of Five Star Senior Living Inc. (“FVE”), as tenant. The purpose

March 11, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 11, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commis

March 6, 2019 EX-99.1

Five Star Senior Living Inc. Announces Fourth Quarter and Year End 2018 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Brad Shepherd, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Fourth Quarter and Year End 2018 Results Newton, MA (March 6, 2019). Five Star Senior Living Inc. (Nasdaq: FVE) today announced its financial results for the quarter and year ended December 31, 2018. Financial Results for the quarter ended December 31, 2018:

March 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 6, 2019 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissio

March 6, 2019 10-K

Annual Report on Form 10-K for the fiscal year ended December 31, 2018

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10‑K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1‑16817 FIVE STAR SENIOR LIVING INC. (Exact Name of

March 6, 2019 EX-21.1

Subsidiaries of the Company. (Incorporated by reference to the Company's Annual Report on Form 10-K for the year ended December 31, 2018.)

Exhibit 21.1 FIVE STAR SENIOR LIVING INC. SUBSIDIARIES OF THE REGISTRANT Name State of Formation, Organization or Incorporation Annapolis Heritage Partners, LLC Delaware Columbia Heritage Partners, LLC Delaware Encinitas Heritage Partners, LLC Delaware Five Star Aspenwood LLC Delaware Five Star Brookside LLC Delaware Five Star Cary Heartfields LLC Delaware Five Star Coral Oaks LLC Delaware Five St

January 3, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 27, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Com

January 3, 2019 EX-10.1

Letter Agreement, dated as of December 27, 2018, between the Company and R. Scott Herzig. (Incorporated by reference to the Company's Current Report on Form 8-K dated December 27, 2018.)

Exhibit 10.1 [Five Star Senior Living Inc. Letterhead] December 21, 2018 R. Scott Herzig 14 Hunters Lane Natick, MA 01760 Dear Scott: You and Five Star Senior Living Inc. (“Five Star”) are entering into this letter agreement (this “Agreement”) to confirm the terms and conditions of the termination of your employment on December 12, 2018 (the “Separation Date”). I. SEPARATION A. Position. Effective

December 21, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 a18-4185418k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 18, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation

December 21, 2018 EX-10.1

First Letter Amendment to Amended and Restated Credit Agreement, dated as of December 18, 2018, among the Company, the guarantors party thereto, Citibank, N.A., as administrative agent and lender, and each of the other financial institutions party thereto.

Exhibit 10.1 FIRST LETTER AMENDMENT Dated as of December 18, 2018 Citibank, N.A., as Administrative Agent 1615 Brett Road OPS III New Castle, Delaware 19720 Attention: Bank Loan Syndications Department Re: Five Star Senior Living Credit Facility Ladies and Gentlemen: Reference is made to the Amended and Restated Credit Agreement dated as of February 24, 2017 (as modified to date, the “Credit Agree

December 17, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 11, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Com

December 13, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 a18-4148818k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 11, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation

December 13, 2018 EX-10.1

Letter Agreement, dated December 11, 2018, between the Company, The RMR Group LLC and Bruce J. Mackey Jr. (Incorporated by reference to the Company's Current Report on Form 8-K dated December 11, 2018.)

Exhibit 10.1 December 11, 2018 Bruce J. Mackey, Jr. 175 Locksley Rd. Lynnfield, Massachusetts 01940 Dear Bruce: You, Five Star Senior Living Inc. (“FVE”) and The RMR Group LLC (“RMR”) are entering into this letter agreement (this “Agreement”) to confirm the terms and conditions of your separation from FVE and RMR on December 31, 2019 or such earlier date you elect as provided below (the “Separatio

November 21, 2018 8-K

Other Events

8-K 1 a18-4055518k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 15, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation

November 14, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a9302018-8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 14, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation)

November 14, 2018 EX-99.1

Five Star Senior Living Inc. Announces Third Quarter 2018 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Brad Shepherd, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Third Quarter 2018 Results Newton, MA (November 14, 2018). Five Star Senior Living Inc. (Nasdaq: FVE) today announced its financial results for the quarter ended September 30, 2018. Financial Results for the quarter ended September 30, 2018: • Senior living

November 14, 2018 10-Q

FVE / Five Star Quality Care, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

October 23, 2018 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 22, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Comm

August 9, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 9, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16817 04-3516029 (Commissi

August 9, 2018 EX-99.1

Five Star Senior Living Inc. Announces Second Quarter 2018 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Brad Shepherd, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces Second Quarter 2018 Results Newton, MA (August 9, 2018). Five Star Senior Living Inc. (Nasdaq: FVE) today announced its financial results for the quarter ended June 30, 2018. Financial Results for the quarter ended June 30, 2018: • Senior living revenue for

August 9, 2018 EX-10.4

Eleventh Amendment to Amended and Restated Master Lease Agreement (Lease No. 2), dated as of July 31, 2018, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and certain subsidiaries of the Company, as Tenant. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2018.)

Exhibit 10.4 ELEVENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) THIS ELEVENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 2) (this “Amendment”) is made and entered into as of July 31, 2018, by and among each of the parties identified on the signature pages hereof as a landlord (collectively, “Landlord”) and each of the parties identified on the

August 9, 2018 EX-10.5

Partial Termination of and Sixteenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 1), dated as of June 1, 2018, among certain subsidiaries of Senior Housing Properties Trust, as Landlord, and the Company, as Tenant. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2018.)

Exhibit 10.5 PARTIAL TERMINATION OF AND SIXTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) THIS PARTIAL TERMINATION OF AND SIXTEENTH AMENDMENT TO AMENDED AND RESTATED MASTER LEASE AGREEMENT (LEASE NO. 1) (this "Amendment") is made and entered into as of June 1, 2018 by and among each of the parties identified on the signature pages hereof as a landlord (collectively,

August 9, 2018 EX-99.3

Pooling Agreement No. 13, dated as of January 19, 2018, between FVE Managers, Inc. and SNH Tellico Tenant LLC. (Filed herewith.)

Exhibit 99.3 POOLING AGREEMENT No. 13 THIS POOLING AGREEMENT No. 13 (this “Agreement”) is made as of January 19, 2018 (the “Effective Date”), by and among FVE Managers, Inc. (“Manager”) and the parties listed on Schedule A (each a “TRS” and collectively, “TRSes”). RECITALS: Each TRS has entered into a Management Agreement with Manager (each a “Management Agreement” and collectively, the “Managemen

August 9, 2018 EX-10.3

Form of Indemnification Agreement. (Filed herewith.)

Exhibit 10.3 FIVE STAR SENIOR LIVING INC. FORM OF [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT THIS [AMENDED AND RESTATED] INDEMNIFICATION AGREEMENT (this “Agreement”), effective as of [DATE] (the “Effective Date”), by and between Five Star Senior Living Inc., a Maryland corporation (the “Company”), and [DIRECTOR/OFFICER] (“Indemnitee”). WHEREAS, Indemnitee currently serves as a director and/o

August 9, 2018 10-Q

FVE / Five Star Quality Care, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-16817 FIVE STAR SENIOR LIVING INC.

July 3, 2018 8-K

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 29, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commiss

July 3, 2018 EX-99.2

ACCESSION AGREEMENT TO AMENDED AND RESTATED POOLING AGREEMENT NO. 12

Exhibit 99.2 ACCESSION AGREEMENT TO AMENDED AND RESTATED POOLING AGREEMENT NO. 12 THIS ACCESSION AGREEMENT TO AMENDED AND RESTATED POOLING AGREEMENT NO. 12, dated as of June 29, 2018 (this “Accession Agreement”), is entered into by SNH PARK PLACE TENANT I LLC, a Maryland limited liability company (“Fountain City Tenant”), and SNH PARK PLACE TENANT II LLC, a Maryland limited liability company (“Wes

July 3, 2018 EX-99.1

AMENDED AND RESTATED POOLING AGREEMENT No. 12

Exhibit 99.1 AMENDED AND RESTATED POOLING AGREEMENT No. 12 THIS AMENDED AND RESTATED POOLING AGREEMENT No. 12 (this “Agreement”) is made as of June 28, 2018 (the “Effective Date”), by and among FVE Managers, Inc. (“Manager”) and the parties listed on Schedule A (each a “TRS” and collectively, “TRSes”). RECITALS: Each TRS has entered into a Management Agreement with Manager (each a “Management Agre

May 21, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 17, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 001-16817 04-3516029 (Commissi

May 21, 2018 EX-10.1

Five Star Senior Living Inc. Nonqualified Deferred Compensation Plan. (Incorporated by reference to the Company's Current Report on Form 8-K dated May 17, 2018.)

EX-10.1 2 a18-139351ex10d1.htm EX-10.1 Exhibit 10.1 FIVE STAR SENIOR LIVING INC. NONQUALIFIED DEFERRED COMPENSATION PLAN FIVE STAR SENIOR LIVING INC. NONQUALIFIED DEFERRED COMPENSATION PLAN Table of Contents Article Title Page ARTICLE I Definitions 1 (a) “Account” or “Accounts” 1 (b) “Affiliate” 1 (c) “Beneficiary” 1 (d) “Board” 1 (e) “Change in Control” 1 (f) “Claimant” 3 (g) “Code” 3 (h) “Compan

May 21, 2018 EX-10.2

Summary of Director Compensation.

Exhibit 10.2 FIVE STAR SENIOR LIVING INC. Summary of Director Compensation The following is a summary of the currently effective compensation of the Directors of Five Star Senior Living Inc. (the “Company”) for services as Directors, which is subject to modification at any time by the Board of Directors (the “Board”) or the Compensation Committee of the Board, as applicable: · Each Independent Dir

May 15, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a3312018-8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 15, 2018 FIVE STAR SENIOR LIVING INC. (Exact Name of Registrant as Specified in Its Charter) Maryland (State or Other Jurisdiction of Incorporation) 1-16

May 15, 2018 EX-99.1

Five Star Senior Living Inc. Announces First Quarter 2018 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Brad Shepherd, Director, Investor Relations (617) 796-8245 Five Star Senior Living Inc. Announces First Quarter 2018 Results Newton, MA (May 15, 2018). Five Star Senior Living Inc. (Nasdaq: FVE) today announced its financial results for the quarter ended March 31, 2018. Financial Results for the quarter ended March 31, 2018: • Senior living revenue for t

May 15, 2018 EX-10.2

Waiver, dated as of March 31, 2018. (Filed herewith.)

Exhibit 10.2 Execution Version LIMITED WAIVER Dated as of March 31, 2018 Citibank, N.A., as Administrative Agent 1615 Brett Road OPS III New Castle, Delaware 19720 Attention: Bank Loan Syndications Department Re: Five Star Senior Living Credit Facility Ladies and Gentlemen: Reference is made to the Amended and Restated Credit Agreement dated as of February 24, 2017 (the ?Credit Agreement?), by and

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