Adam Portnoy

Companies

• Industrial Logistics Properties TrustBoard member Jan 11, 2018 to now¹²
• The RMR GroupBoard member Nov 16, 2015 to now¹³
• The RMR GroupChief executive officer Nov 16, 2015 to now¹⁴
• The RMR GroupPresident Nov 16, 2015 to now¹³
• Seven Hills Realty TrustBoard member Jun 17, 2009 to now¹⁵
• OFFICE PROPERTIES INCOME TRUSTBoard member Jun 2, 2009 to now¹⁶
• DIVERSIFIED HEALTHCARE TRUSTBoard member May 30, 2007 to now¹⁷
• Service Properties TrustBoard member Jan 12, 2007 to now¹⁸
• TravelCenters of America Inc. /MD/Board member Jan 2, 2018 to May 15, 2023¹⁹
• AlerisLife Inc.Board member Mar 21, 2018 to Mar 20, 2023²⁰
• EQC Liquidating TrustPresident May 11, 2011 to May 9, 2014²¹
• EQC Liquidating TrustBoard member May 24, 2006 to Mar 11, 2014²²
• Seven Hills Realty TrustPresident Jun 17, 2009 to Jan 24, 2012¹⁵
• OFFICE PROPERTIES INCOME TRUSTPresident Jun 2, 2009 to Sep 21, 2010¹⁶
• EQC Liquidating TrustExecutive Vice President Apr 11, 2006 to Apr 11, 2006²³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• DHDIVERSIFIED HEALTHCARE TRUST DHC23,717,943 shares²⁴$175.2M at $7.38Sep 21, 2026
• SPService Properties Trust SVC8,448,266 shares²⁵$49.9M at $5.91Sep 21, 2026
• SHSeven Hills Realty Trust SEVN5,117,589 shares²⁶$31.1M at $6.08Sep 18, 2026
• OPOFFICE PROPERTIES INCOME TRUST OPI651,401 shares²⁷$8.4M at $12.93Jun 24, 2026
• ILIndustrial Logistics Properties Trust ILPT987,167 shares²⁸$6.4M at $6.50Sep 21, 2026
• The RMR Group RMR273,126 shares²⁹$4.8M at $17.56Sep 21, 2026
• AAlerisLife Inc.22,375,687 shares³⁰Mar 18, 2023
• TATravelCenters of America Inc. /MD/0 shares³¹May 15, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 17, 2026Shares withheld for tax 6,646 shares at $6.57 of Service Properties Trust²⁵
• Sep 17, 2026Shares withheld for tax 19,315 shares at $8.13 of DIVERSIFIED HEALTHCARE TRUST²⁴
• Sep 17, 2026Shares withheld for tax 4,966 shares at $7.40 of Seven Hills Realty Trust²⁶
• Sep 17, 2026Shares withheld for tax 10,140 shares at $18.87 of The RMR Group²⁹
• Sep 17, 2026Shares withheld for tax 10,046 shares at $7.75 of Industrial Logistics Properties Trust²⁸
• Sep 10, 2026Granted 36,390 shares of Service Properties Trust³²
• Sep 10, 2026Granted 59,681 shares of DIVERSIFIED HEALTHCARE TRUST³³
• Sep 10, 2026Granted 27,247 shares of Seven Hills Realty Trust³⁴
• Sep 10, 2026Granted 31,479 shares of The RMR Group³⁵
• Sep 10, 2026Granted 39,164 shares of Industrial Logistics Properties Trust³⁶
• Jun 11, 2026Granted 67,073 shares of Service Properties Trust³⁷
• Jun 10, 2026Granted 12,401 shares of DIVERSIFIED HEALTHCARE TRUST³⁸
• Jun 9, 2026Granted 9,976 shares of Seven Hills Realty Trust³⁹
• Jun 9, 2026Granted 12,514 shares of Industrial Logistics Properties Trust⁴⁰
• Apr 2, 2026Bought 41,666,666 shares at $1.20 of Service Properties Trust⁴¹
• Mar 26, 2026Granted 6,426 shares of The RMR Group⁴²
• Dec 11, 2025Bought 2,015,748 shares at $8.65 of Seven Hills Realty Trust⁴³
• Dec 4, 2025Exercised 854,029 shares at $8.65 of Seven Hills Realty Trust⁴⁴
• Dec 4, 2025Exercised 58,266 shares at $8.65 of Seven Hills Realty Trust⁴⁴
• Dec 4, 2025Exercised 109,669 shares at $8.65 of Seven Hills Realty Trust⁴⁴
• Sep 16, 2025Shares withheld for tax 14,205 shares at $2.82 of Service Properties Trust⁴⁵
• Sep 16, 2025Shares withheld for tax 15,226 shares at $4.37 of DIVERSIFIED HEALTHCARE TRUST⁴⁶
• Sep 16, 2025Shares withheld for tax 2,367 shares at $10.95 of Seven Hills Realty Trust⁴⁷
• Sep 16, 2025Shares withheld for tax 2,108 shares at $0.83 of OFFICE PROPERTIES INCOME TRUST⁴⁸
• Sep 16, 2025Shares withheld for tax 7,775 shares at $17.28 of The RMR Group⁴⁹