Portnoy Adam D. (CIK 0001273871)

Latest company ownership

Shares held
11,251,304
Last filed at
Jun 6, 2023
Confidence Score
49.5
2025Q4
Confidence Score History
2008Q2 2025Q4
Shares held
1,812,885
Last filed at
Sep 13, 2024
Confidence Score
87.7
2025Q4
Confidence Score History
2010Q1 2025Q4
Shares held
1,672,783
Last filed at
Sep 13, 2024
Confidence Score
49.8
2025Q4
Confidence Score History
2007Q1 2025Q4
Shares held
745,672
Last filed at
Sep 13, 2024
Confidence Score
49.8
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
576,258
Last filed at
Sep 13, 2024
Confidence Score
50.5
2025Q4
Confidence Score History
2012Q1 2025Q4
Shares held
90,564
Last filed at
Sep 13, 2024
Confidence Score
48.6
2025Q4
Confidence Score History
2024Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 11, 2025 Dec 11, 2025 Seven Hills Realty Trust Director Buy 100.0 +2,015,748 69.72% ✗ $17.4M
Sep 16, 2025 Sep 18, 2025 OFFICE PROPERTIES INCOME TRUST Director Sell 52.5 -2,108 -0.27% ✗ $1.8K
Sep 16, 2025 Sep 18, 2025 Service Properties Trust Director Sell 48.8 -14,205 -0.69% ✗ $40.1K
Sep 16, 2025 Sep 18, 2025 RMR GROUP INC. CEO Sell 42.5 -7,775 -3.07% ✗ $134.4K
Sep 16, 2025 Sep 18, 2025 Industrial Logistics Properties Trust Director Sell 48.8 -6,080 -0.64% ✗ $38.6K
Sep 16, 2025 Sep 18, 2025 Seven Hills Realty Trust Director Sell 51.3 -2,367 -0.12% ✗ $25.9K
Sep 16, 2025 Sep 18, 2025 DIVERSIFIED HEALTHCARE TRUST Director Sell 47.5 -15,226 -0.06% ✗ $66.5K
Sep 17, 2024 Sep 19, 2024 RMR GROUP INC. CEO Sell 42.5 -5,409 -2.49% ✗ $136.6K
Sep 17, 2024 Sep 19, 2024 Industrial Logistics Properties Trust Director Sell 51.3 -2,194 -0.25% ✗ $11.1K
Sep 17, 2024 Sep 19, 2024 OFFICE PROPERTIES INCOME TRUST Director Sell 48.8 -5,325 -0.67% ✗ $12.1K
Sep 17, 2024 Sep 19, 2024 Service Properties Trust Director Sell 51.3 -5,245 -0.27% ✗ $24.2K
Sep 17, 2024 Sep 19, 2024 DIVERSIFIED HEALTHCARE TRUST Director Sell 51.3 -6,570 -0.03% ✗ $24.2K
Sep 17, 2024 Sep 19, 2024 Seven Hills Realty Trust Director Sell 51.3 -805 -0.04% ✗ $11.1K
Jun 12, 2023 Jun 14, 2023 DIVERSIFIED HEALTHCARE TRUST Director Buy 100.0 +6,003,515 34.38% ✗ $17.9M
Jun 7, 2023 Jun 9, 2023 DIVERSIFIED HEALTHCARE TRUST Director Buy 100.0 +5,995,200 52.29% ✗ $14.7M
Jun 5, 2023 Jun 6, 2023 DIVERSIFIED HEALTHCARE TRUST Director Buy 100.0 +5,566,644 94.37% ✗ $9.8M
May 30, 2023 Jun 1, 2023 DIVERSIFIED HEALTHCARE TRUST Director Buy 100.0 +3,154,641 114.95% ✗ $4.3M
May 11, 2022 May 12, 2022 Seven Hills Realty Trust Director Buy 100.0 +882,407 81.71% ✗ $8.4T
Jun 5, 2015 Jun 10, 2015 DIVERSIFIED HEALTHCARE TRUST Director Buy 100.0 +1,062,346 487.24% ✗ $21.1M
Jun 5, 2015 Jun 9, 2015 Service Properties Trust Director Buy 100.0 +675,451 313.73% ✗ $20.3M
Jun 5, 2015 Jun 9, 2015 OFFICE PROPERTIES INCOME TRUST Director Buy 100.0 +316,980 72.82% ✗ $6.2M
Jul 29, 2014 Jul 30, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 100.0 +360,000 644.85% ✗ $8.5M
Jun 6, 2014 Jun 9, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 83.8 +1,537 2.91% ✗ $38.8K
May 7, 2014 May 9, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 83.8 +1,433 2.79% ✗ $36.3K
May 7, 2014 May 9, 2014 Service Properties Trust Director Buy 87.5 +4,754 3.22% ✗ $139.6K
May 7, 2014 May 9, 2014 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,397 3.11% ✗ $100.8K
Apr 7, 2014 Apr 8, 2014 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,653 3.40% ✗ $103.7K
Apr 7, 2014 Apr 8, 2014 Service Properties Trust Director Buy 87.5 +5,019 3.52% ✗ $140.4K
Apr 7, 2014 Apr 8, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 83.8 +1,503 3.18% ✗ $37.2K
Mar 14, 2014 Mar 18, 2014 Service Properties Trust Director Buy 100.0 +46,141 53.12% ✗ $1.3M
Mar 7, 2014 Mar 11, 2014 Service Properties Trust Director Buy 90.0 +4,699 5.11% ✗ $121.5K
Mar 7, 2014 Mar 11, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 83.8 +1,363 2.97% ✗ $33.6K
Mar 7, 2014 Mar 11, 2014 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,331 3.27% ✗ $93.6K
Feb 7, 2014 Feb 10, 2014 OFFICE PROPERTIES INCOME TRUST Director Buy 83.8 +1,504 3.38% ✗ $37.3K
Feb 7, 2014 Feb 10, 2014 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,639 3.63% ✗ $103.4K
Feb 7, 2014 Feb 10, 2014 Service Properties Trust Director Buy 90.0 +5,097 5.87% ✗ $135K
Mar 27, 2013 Mar 28, 2013 OFFICE PROPERTIES INCOME TRUST Director Buy 95.0 +9,104 27.29% ✗ $231.4K
Mar 27, 2013 Mar 28, 2013 DIVERSIFIED HEALTHCARE TRUST Director Buy 92.5 +9,886 8.52% ✗ $262.1K
Mar 29, 2012 Mar 30, 2012 OFFICE PROPERTIES INCOME TRUST Director Buy 97.5 +17,613 128.09% ✗ $423.2K
Mar 29, 2012 Mar 30, 2012 DIVERSIFIED HEALTHCARE TRUST Director Buy 90.0 +9,208 8.79% ✗ $203.6K
Mar 29, 2012 Mar 30, 2012 Service Properties Trust Director Buy 97.5 +14,909 21.94% ✗ $394.6K
Mar 30, 2011 Apr 1, 2011 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,023 4.07% ✗ $92.6K
Mar 30, 2011 Mar 31, 2011 DIVERSIFIED HEALTHCARE TRUST Director Buy 87.5 +4,023 4.07% ✗ $92.6K
Mar 25, 2010 Mar 26, 2010 DIVERSIFIED HEALTHCARE TRUST Director Buy 97.5 +11,314 13.24% ✗ $250.6K
Mar 18, 2010 Mar 22, 2010 Seven Hills Realty Trust President Buy 95.0 +12,350 58.93% ✓ $214.3K
Mar 17, 2010 Mar 19, 2010 Seven Hills Realty Trust Pesident of Fund Buy 77.5 +333 1.61% ✓ $5.7K
Mar 15, 2010 Mar 17, 2010 Seven Hills Realty Trust President Buy 86.3 +1,700 8.98% ✓ $29.1K
Apr 8, 2009 Apr 9, 2009 DIVERSIFIED HEALTHCARE TRUST Director Buy 97.5 +25,116 43.06% ✗ $368.5K
Oct 24, 2008 Oct 28, 2008 DIVERSIFIED HEALTHCARE TRUST Director Buy 97.5 +17,558 43.07% ✗ $261.4K
Apr 11, 2008 Apr 15, 2008 DIVERSIFIED HEALTHCARE TRUST Director Buy 97.5 +12,290 18.76% ✗ $288K
Apr 11, 2008 Apr 15, 2008 Service Properties Trust Director Buy 97.5 +24,093 65.37% ✗ $770.7K
Mar 26, 2007 Mar 27, 2007 Service Properties Trust Director Buy 97.5 +13,468 59.49% ✗ $625.7K