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

February 25, 2018

Date of Report

(Date of earliest event reported)

The RMR Group Inc.

(Exact name of registrant as specified in its charter)

Two Newton Place, 255 Washington Street, Suite 300, Newton, MA, 02458-1634

(Address of principal executive offices, including zip code)

(617) 796-8230

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions.

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

þ            Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  þ

In this Current Report on Form 8-K, the term the “Company” refers to The RMR Group Inc. and its consolidated subsidiaries.

Item 8.01.  Other Events.

On February 26, 2018, the Company issued a press release announcing that Barry M. Portnoy, founder and Chairman, and a Managing Director, of the Company, died on February 25, 2018. A copy of the Company’s press release is attached as Exhibit 99.1 hereto.

Item 9.01.  Financial Statements and Exhibits.

(d)  Exhibits.

2

SIGNATURE

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 hereunto duly authorized.