Adam D. Portnoy
Managing Dir., President & CEO at The RMR Group Inc.
Sits on 6 boards. Overboarded · 6 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 6
- Current seats
- 6
- Board service
- 18 years
- Director since
- 2023
18 years of board service in total across 6 boards, counting each seat separately. Longest: The RMR Group Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Service Properties Trust June 11, 202666.1%
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Diversified Healthcare Trust June 10, 202677.8%
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Industrial Logistics Properties Trust June 9, 202669.9%
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The RMR Group Inc. March 26, 202698.7%
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Service Properties Trust June 13, 202568.0%
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Office Properties Income Trust June 11, 202565.2%
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Diversified Healthcare Trust May 29, 202578.5%
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Industrial Logistics Properties Trust May 28, 202576.3%
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The RMR Group Inc. March 27, 202598.2%
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Service Properties Trust June 14, 202468.2%
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Office Properties Income Trust June 13, 202465.3%
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Diversified Healthcare Trust May 31, 202468.4%
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Industrial Logistics Properties Trust May 30, 202466.9%
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Seven Hills Realty Trust May 30, 202468.1%
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The RMR Group Inc. March 27, 202497.6%
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Office Properties Income Trust June 13, 202369.0%
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Diversified Healthcare Trust June 5, 202358.1%
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Industrial Logistics Properties Trust June 1, 202357.3%
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The RMR Group Inc. March 27, 202397.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 17, 2026 | Seven Hills Realty Trust | Shares withheld for tax | −4,966 | $7.40 | $36,748 |
| Sep 17, 2026 | Diversified Healthcare Trust | Shares withheld for tax | −19,315 | $8.13 | $157,031 |
| Sep 17, 2026 | Industrial Logistics Properties Trust | Shares withheld for tax | −10,046 | $7.75 | $77,857 |
| Sep 17, 2026 | The RMR Group Inc. | Shares withheld for tax | −10,140 | $18.87 | $191,342 |
| Sep 17, 2026 | Service Properties Trust | Shares withheld for tax | −6,646 | $6.57 | $43,664 |
| Sep 10, 2026 | Diversified Healthcare Trust | Grant or award | +59,681 | — | — |
| Sep 10, 2026 | Industrial Logistics Properties Trust | Grant or award | +39,164 | — | — |
| Sep 10, 2026 | Seven Hills Realty Trust | Grant or award | +27,247 | — | — |
| Sep 10, 2026 | The RMR Group Inc. | Grant or award | +31,479 | — | — |
| Sep 10, 2026 | Service Properties Trust | Grant or award | +36,390 | — | — |
| Jun 11, 2026 | Service Properties Trust | Grant or award | +67,073 | — | — |
| Jun 10, 2026 | Diversified Healthcare Trust | Grant or award | +12,401 | — | — |
| Jun 9, 2026 | Seven Hills Realty Trust | Grant or award | +9,976 | — | — |
| Jun 9, 2026 | Industrial Logistics Properties Trust | Grant or award | +12,514 | — | — |
| Apr 2, 2026 | Service Properties Trust | Open-market purchase | +41,666,666 | $1.20 | $49,999,999 |
Questions about Adam D. Portnoy
What boards is Adam D. Portnoy on?
Adam D. Portnoy sits on the boards of Diversified Healthcare Trust, Industrial Logistics Properties Trust, Office Properties Income Trust, Service Properties Trust, Seven Hills Realty Trust and The RMR Group Inc.
What company is Adam D. Portnoy the CEO of?
Adam D. Portnoy is Managing Dir., President & CEO of The RMR Group Inc.
How long has Adam D. Portnoy served on boards?
Our records show at least 18 years of board service across 6 boards, the earliest from 2023.
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