DIVERSIFIED HEALTHCARE TRUST 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds. Issuer purchases of equity securities. The following table provides information about our purchases of our equity securities during the quarter ended June 30, 2020 : Calendar Month Number of Shares Purchased (1) Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Maximum Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs June 2020 1,757 $ 4.43 — $ — Total 1,757 $ 4.43 — $ — (1) This common share withholding and purchases was made to satisfy tax withholding and payment obligations of a former employee of RMR LLC in connection with the vesting of awards of our common shares. We withheld and purchased these shares at their fair market value based upon the trading prices of our common shares at the close of trading on Nasdaq on the purchase date. Item 6. Exhibits. Exhibit Number Description 3.1 Composite Copy of Articles of Amendment and Restatement, dated September 20, 1999, as amended to date. (Filed herewith.) 3.2 Composite Copy of Articles of Amendment and Restatement, dated September 20, 1999, as amended to date (marked copy). (Filed herewith.) 3.3 Articles Supplementary, dated May 11, 2000. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2000.) 3.4 Articles Supplementary, dated June 30, 2017. (Incorporated by reference to the Company's Current Report on Form 8-K filed on June 30, 2017.) 3.5 Articles Supplementary, dated May 19, 2020. (Incorporated by reference to the Company's Current Report on Form 8-K filed on May 20, 2020.) 3.6 Amended and Restated Bylaws of the Company, adopted January 1, 2020. (Incorporated by reference to the Company's Current Report on Form 8-K dated January 2, 2020.) 4.1 Form of Common Share Certificate. (Incorporated by reference to the Company's Current Report on Form 8-K filed on January 2, 2020.) 4.2 Indenture, dated as of December 20, 2001, between the Company and State Street Bank and Trust Company. (Incorporated by reference to the Company's Registration Statement on Form S-3, File No. 333-76588.) 4.3 Supplemental Indenture No. 4, dated as of April 9, 2010, between the Company and U.S. Bank National Association, related to 6.75% Senior Notes due 2020, including form thereof. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2010.) 58 Table of Contents 4.4 Supplemental Indenture No. 6, dated as of December 8, 2011, between the Company and U.S. Bank National Association, related to 6.75% Senior Notes due 2021, including form thereof. (Incorporated by reference to the Company's Annual Report on Form 10-K for the year ended December 31, 2011.) 4.5 Supplemental Indenture No. 7, dated as of July 20, 2012, between the Company and U.S. Bank National Association, related to 5.625% Senior Notes due 2042, including form thereof (Incorporated by reference to the Company's Registration Statement on Form 8-A filed on July 20, 2012.) 4.6 Supplemental Indenture No. 9, dated as of April 28, 2014, between the Company and U.S. Bank National Association, related to 4.75% Senior Notes due 2024, including form thereof. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2014.) 4.7 Indenture, dated as of February 18, 2016, between the Company and U.S. Bank National Association. (Incorporated by reference to the Company's Current Report on Form 8-K filed on February 18, 2016.) 4.8 First Supplemental Indenture, dated as of February 18, 2016, between the Company and U.S. Bank National Association, related to 6.25% Senior Notes due 2046, including form thereof. (Incorporated by reference to the Company's Current Report on Form 8-K filed on February 18, 2016.) 4.9 Second Supplemental Indenture, dated as of February 12, 2018, between the Company and U.S. Bank National Association, related to 4.75% Senior Notes due 2028, including form thereof. (Incorporated by reference to the Company's Annual Report on Form 10-K for the year ended December 31, 2017.) 4.10 Third Supplemental Indenture, dated as of June 2, 2020, among the Company, certain subsidiaries of the Company named therein as guarantors and U.S. Bank, National Association, related to 9.750% Senior Notes due 2025, including form thereof. (Incorporated by reference to the Company's Current Report on Form 8-K filed on June 5, 2020.) 4.11 Registration Rights and Lock-Up Agreement, dated as of June 5, 2015, among the Company, ABP Trust (f/k/a Reit Management & Research Trust) and Adam D. Portnoy. (Incorporated by reference to the Company's Current Report on Form 8-K filed on June 8, 2015.) 10.1 First Amendment to Amended and Restated Credit Agreement, dated as of June 30, 2020, among the Company, Wells Fargo Bank, National Association, as Administrative Agent and each of the other institutions party thereto. (Incorporated by reference to the Company's Current Report on Form 8-K filed on July 2, 2020.) 10.2 First Amendment to Amended and Restated $200.0 Million Term Loan Agreement, dated as of June 30, 2020, among the Company, Wells Fargo Bank, National Association, as Administrative Agent and each of the other institutions party thereto. (Incorporated by reference to the Company's Current Report on Form 8-K filed on July 2, 2020.) 10.3 Form of Indemnification Agreement. (Filed herewith.) 10.4 Summary of Trustee Compensation. (Incorporated by reference to the Company's Current Report on Form 8-K filed May 20, 2020.) 22.1 List of Subsidiary Guarantors. (Filed herewith.) 31.1 Rule 13a-14(a) Certification. (Filed herewith.) 31.2 Rule 13a-14(a) Certification. (Filed herewith.) 31.3 Rule 13a-14(a) Certification. (Filed herewith.) 31.4 Rule 13a-14(a) Certification. (Filed herewith.) 32.1 Section 1350 Certification. (Furnished herewith.) 101.INS XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH XBRL Taxonomy Extension Schema Document. (Filed herewith.) 101.CAL XBRL Taxonomy Extension Calculation Linkbase Document. (Filed herewith.) 101.DEF XBRL Taxonomy Extension Definition Linkbase Document. (Filed herewith.) 101.LAB XBRL Taxonomy Extension Label Linkbase Document. (Filed herewith.) 101.PRE XBRL Taxonomy Extension Presentation Linkbase Document. (Filed herewith.) 104 Cover Page Interactive Data File. (Formatted as Inline XBRL and contained in Exhibit 101.) 59 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. DIVERSIFIED HEALTHCARE TRUST By: /s/ Jennifer F. (Francis) Mintzer Jennifer F. (Francis) Mintzer President and Chief Operating Officer Dated: August 6, 2020 By: /s/ Richard W. Siedel, Jr. Richard W. Siedel, Jr. Chief Financial Officer and Treasurer (principal financial and accounting officer) Dated: August 6, 2020 60