Adam D. Portnoy

Business address
C/O The Rmr Group Llc, Two Newton Pl., 255 Wash. St., Ste. 300, Newton, MA, 02458
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Adam D. Portnoy has filed 314 SEC EDGAR filings since 12/23/2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 11, 2025 Dec 11, 2025 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 8, 2025 Dec 4, 2025 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 18, 2025 Sep 16, 2025 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 11, 2025 Sep 9, 2025 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 11, 2025 Sep 9, 2025 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 11, 2025 Sep 9, 2025 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 11, 2025 Sep 9, 2025 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 11, 2025 Sep 9, 2025 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 16, 2025 Jun 13, 2025 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2025 May 29, 2025 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT May 30, 2025 May 28, 2025 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT May 29, 2025 May 28, 2025 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 28, 2025 Mar 27, 2025 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 19, 2024 Sep 17, 2024 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 13, 2024 Sep 11, 2024 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 18, 2024 Jun 14, 2024 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 17, 2024 Jun 13, 2024 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 4, 2024 May 31, 2024 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 3, 2024 May 30, 2024 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 3, 2024 May 30, 2024 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 29, 2024 Mar 27, 2024 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 15, 2023 Sep 13, 2023 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2023 Jun 12, 2023 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2023 Jun 13, 2023 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2023 Jun 13, 2023 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 9, 2023 Jun 7, 2023 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 6, 2023 Jun 2, 2023 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2023 Jun 1, 2023 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 1, 2023 May 30, 2023 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT May 23, 2023 May 23, 2023 001-34383
4 Open Document Open Filing FORM 4 May 15, 2023 May 15, 2023 001-33274
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 29, 2023 Mar 29, 2023 001-37616
4 Open Document Open Filing Mar 20, 2023 Mar 18, 2023 001-16817
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 16, 2022 Sep 14, 2022 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 17, 2022 Jun 16, 2022 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 16, 2022 Jun 15, 2022 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 10, 2022 Jun 9, 2022 001-33274
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 8, 2022 Jun 7, 2022 001-16817
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 3, 2022 Jun 2, 2022 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2022 Jun 1, 2022 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT May 26, 2022 May 26, 2022 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT May 12, 2022 May 11, 2022 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 14, 2022 Mar 10, 2022 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 4, 2021 Sep 30, 2021 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 4, 2021 Sep 30, 2021 001-38199
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 17, 2021 Sep 15, 2021 001-37616
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 17, 2021 Jun 17, 2021 001-34364
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 16, 2021 Jun 16, 2021 001-11527
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 10, 2021 Jun 10, 2021 001-33274
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 9, 2021 Jun 8, 2021 001-16817
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 4, 2021 Jun 3, 2021 001-15319
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2021 Jun 2, 2021 001-38342
4 Open Document Open Filing OWNERSHIP DOCUMENT May 28, 2021 May 27, 2021 001-38199
4 Open Document Open Filing OWNERSHIP DOCUMENT May 28, 2021 May 27, 2021 001-34383
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 12, 2021 Mar 11, 2021 001-37616
4 Open Document Open Filing 4 Sep 23, 2020 Jul 6, 2020 001-33274
4 Open Document Open Filing 4 Sep 21, 2020 Sep 17, 2020 001-37616
4 Open Document Open Filing 4 Jun 11, 2020 Jun 10, 2020 001-11527
4 Open Document Open Filing 4 Jun 10, 2020 Jun 9, 2020 001-16817
4 Open Document Open Filing 4 Jun 1, 2020 May 28, 2020 001-38342
4 Open Document Open Filing 4 May 28, 2020 May 27, 2020 001-34364
4 Open Document Open Filing 4 May 22, 2020 May 21, 2020 001-33274
4 Open Document Open Filing 4 May 19, 2020 May 19, 2020 001-15319
4 Open Document Open Filing 4 May 13, 2020 May 13, 2020 001-38199
4 Open Document Open Filing 4 Mar 12, 2020 Mar 11, 2020 001-37616
4 Open Document Open Filing 4 Jan 2, 2020 Jan 1, 2020 001-16817
4/A Open Document Open Filing 4/A Dec 26, 2019 May 23, 2019 001-33274
4 Open Document Open Filing 4 Sep 20, 2019 Sep 18, 2019 001-37616
4 Open Document Open Filing 4 Jun 13, 2019 Jun 13, 2019 001-11527
4 Open Document Open Filing 4 Jun 11, 2019 Jun 11, 2019 001-16817
4 Open Document Open Filing 4 Jun 3, 2019 Jun 3, 2019 001-38342
4 Open Document Open Filing 4 May 29, 2019 May 29, 2019 001-34364
4 Open Document Open Filing FORM 4 May 23, 2019 May 23, 2019 001-33274
4 Open Document Open Filing 4 May 22, 2019 May 21, 2019 001-38199
4 Open Document Open Filing 4 May 22, 2019 May 21, 2019 001-15319
4 Open Document Open Filing 4 Apr 24, 2019 Apr 24, 2019 001-38199
4 Open Document Open Filing 4 Apr 5, 2019 Apr 3, 2019 001-37616
4 Open Document Open Filing 4 Jan 2, 2019 Dec 31, 2018 001-34364
4 Open Document Open Filing 4 Jan 2, 2019 Dec 31, 2018 001-35442
4 Open Document Open Filing 4 Oct 11, 2018 Oct 10, 2018 001-33274
4 Open Document Open Filing 4 Sep 17, 2018 Sep 13, 2018 001-37616
4 Open Document Open Filing 4 Jun 18, 2018 Jun 14, 2018 001-11527
4 Open Document Open Filing 4 May 24, 2018 May 24, 2018 001-34364
4 Open Document Open Filing 4 May 23, 2018 May 23, 2018 001-38342
4 Open Document Open Filing FORM 4 May 23, 2018 May 23, 2018 001-33274
4 Open Document Open Filing 4 May 22, 2018 May 22, 2018 001-15319
4 Open Document Open Filing 4 May 17, 2018 May 17, 2018 001-16817
4 Open Document Open Filing 4 May 16, 2018 May 16, 2018 001-35442
4 Open Document Open Filing 4 Apr 25, 2018 Apr 25, 2018 001-38199
4 Open Document Open Filing 4 Mar 29, 2018 Mar 28, 2018 001-37616
4 Open Document Open Filing 4 Mar 28, 2018 Mar 27, 2018 001-38342
4 Open Document Open Filing 4 Mar 21, 2018 Mar 20, 2018 001-16817
4 Open Document Open Filing 4 Mar 1, 2018 Feb 27, 2018 001-33274
3 Open Document Open Filing 3 Jan 11, 2018 Jan 11, 2018 001-38342
3 Open Document Open Filing 3 Jan 2, 2018 Jan 1, 2018 001-33274
4 Open Document Open Filing 4 Dec 13, 2017 Dec 13, 2017 001-16817
4 Open Document Open Filing 4 Nov 14, 2017 Nov 13, 2017 001-38199
4 Open Document Open Filing FORM 4 SUBMISSION Sep 27, 2017 Sep 25, 2017 811-22260
4 Open Document Open Filing 4 Sep 19, 2017 Sep 18, 2017 001-38199
4 Open Document Open Filing 4 Sep 18, 2017 Sep 14, 2017 001-37616
4 Open Document Open Filing FORM 4 SUBMISSION Sep 18, 2017 Sep 14, 2017 811-22260
3 Open Document Open Filing 3 Sep 13, 2017 Sep 13, 2017 001-38199
4 Open Document Open Filing 4 Jun 15, 2017 Jun 15, 2017 001-11527
4 Open Document Open Filing 4 May 23, 2017 May 23, 2017 001-35442
4 Open Document Open Filing 4 May 19, 2017 May 18, 2017 001-15319
4 Open Document Open Filing 4 May 18, 2017 May 17, 2017 001-34364
4 Open Document Open Filing 4 Mar 30, 2017 Mar 29, 2017 001-37616
4 Open Document Open Filing 4 Feb 28, 2017 Dec 7, 2016 001-16817
3 Open Document Open Filing 3 Nov 14, 2016 Nov 11, 2016 001-16817
4 Open Document Open Filing 4 Sep 19, 2016 Sep 15, 2016 001-37616
4 Open Document Open Filing 4 May 25, 2016 May 25, 2016 001-11527
4 Open Document Open Filing 4 May 25, 2016 May 24, 2016 001-35442
4 Open Document Open Filing 4 May 18, 2016 May 17, 2016 001-34364
4 Open Document Open Filing 4 May 18, 2016 May 18, 2016 001-15319
3 Open Document Open Filing 3 Nov 16, 2015 Nov 16, 2015 001-37616
4 Open Document Open Filing 4 Jun 9, 2015 Jun 5, 2015 001-15319
4 Open Document Open Filing 4 Jun 9, 2015 Jun 5, 2015 001-11527
4 Open Document Open Filing 4 Jun 9, 2015 Jun 5, 2015 001-35442
4 Open Document Open Filing 4 Jun 9, 2015 Jun 5, 2015 001-34364
4 Open Document Open Filing 4 Jun 2, 2015 Jun 1, 2015 001-11527
3 Open Document Open Filing 3 Jun 2, 2015 Jun 1, 2015 001-11527
4 Open Document Open Filing 4 May 20, 2015 May 19, 2015 001-15319
4 Open Document Open Filing 4 May 14, 2015 May 13, 2015 001-35442
4 Open Document Open Filing 4 May 13, 2015 May 12, 2015 001-34364
4 Open Document Open Filing 4 May 11, 2015 May 7, 2015 001-15319
4 Open Document Open Filing 4 May 11, 2015 May 7, 2015 001-35442
4 Open Document Open Filing 4 May 11, 2015 May 7, 2015 001-11527
4 Open Document Open Filing 4 May 11, 2015 May 7, 2015 001-34364
4 Open Document Open Filing 4 Apr 10, 2015 Apr 8, 2015 001-11527
4 Open Document Open Filing 4 Apr 10, 2015 Apr 8, 2015 001-15319
4 Open Document Open Filing 4 Apr 10, 2015 Apr 8, 2015 001-35442
4 Open Document Open Filing 4 Apr 10, 2015 Apr 8, 2015 001-34364
4 Open Document Open Filing 4 Mar 9, 2015 Mar 6, 2015 001-15319
4 Open Document Open Filing 4 Mar 9, 2015 Mar 6, 2015 001-35442
4 Open Document Open Filing 4 Mar 9, 2015 Mar 6, 2015 001-11527
4 Open Document Open Filing 4 Mar 9, 2015 Mar 6, 2015 001-34364
4 Open Document Open Filing 4 Mar 5, 2015 Mar 4, 2015 001-35442
4 Open Document Open Filing 4 Feb 10, 2015 Feb 6, 2015 001-15319
4 Open Document Open Filing 4 Feb 10, 2015 Feb 6, 2015 001-35442
4 Open Document Open Filing 4 Feb 10, 2015 Feb 6, 2015 001-34364
4 Open Document Open Filing 4 Feb 10, 2015 Feb 6, 2015 001-11527
4 Open Document Open Filing 4 Jan 12, 2015 Jan 8, 2015 001-35442
4 Open Document Open Filing 4 Jan 12, 2015 Jan 8, 2015 001-15319
4 Open Document Open Filing 4 Jan 12, 2015 Jan 8, 2015 001-11527
4 Open Document Open Filing 4 Jan 12, 2015 Jan 8, 2015 001-34364
4 Open Document Open Filing 4 Dec 9, 2014 Dec 5, 2014 001-35442
4 Open Document Open Filing 4 Dec 9, 2014 Dec 5, 2014 001-11527
4 Open Document Open Filing 4 Dec 9, 2014 Dec 5, 2014 001-15319
4 Open Document Open Filing 4 Dec 9, 2014 Dec 5, 2014 001-34364
4 Open Document Open Filing 4 Nov 10, 2014 Nov 7, 2014 001-15319
4 Open Document Open Filing 4 Nov 10, 2014 Nov 7, 2014 001-35442
4 Open Document Open Filing 4 Nov 10, 2014 Nov 7, 2014 001-11527
4 Open Document Open Filing 4 Nov 10, 2014 Nov 7, 2014 001-34364
4 Open Document Open Filing 4 Oct 9, 2014 Oct 7, 2014 001-15319
4 Open Document Open Filing 4 Oct 9, 2014 Oct 7, 2014 001-35442
4 Open Document Open Filing 4 Oct 9, 2014 Oct 7, 2014 001-11527
4 Open Document Open Filing 4 Oct 9, 2014 Oct 7, 2014 001-34364
4 Open Document Open Filing 4 Sep 10, 2014 Sep 8, 2014 001-15319
4 Open Document Open Filing 4 Sep 10, 2014 Sep 8, 2014 001-11527
4 Open Document Open Filing 4 Sep 10, 2014 Sep 8, 2014 001-35442
4 Open Document Open Filing 4 Sep 10, 2014 Sep 8, 2014 001-34364
4 Open Document Open Filing 4 Aug 8, 2014 Aug 7, 2014 001-11527
4 Open Document Open Filing 4 Aug 8, 2014 Aug 7, 2014 001-35442
4 Open Document Open Filing 4 Aug 8, 2014 Aug 7, 2014 001-15319
4 Open Document Open Filing 4 Aug 8, 2014 Aug 7, 2014 001-34364
4 Open Document Open Filing 4 Jul 30, 2014 Jul 29, 2014 001-34364
4 Open Document Open Filing 4 Jul 11, 2014 Jul 9, 2014 001-35442
4 Open Document Open Filing 4 Jul 10, 2014 Jul 8, 2014 001-15319
4 Open Document Open Filing 4 Jul 10, 2014 Jul 8, 2014 001-11527
4 Open Document Open Filing 4 Jul 10, 2014 Jul 8, 2014 001-35442
4 Open Document Open Filing 4 Jul 10, 2014 Jul 8, 2014 001-34364
4 Open Document Open Filing 4 Jun 10, 2014 Jun 6, 2014 001-11527
4 Open Document Open Filing 4 Jun 9, 2014 Jun 6, 2014 001-34364
4 Open Document Open Filing 4 Jun 9, 2014 Jun 6, 2014 001-35442
4 Open Document Open Filing 4 Jun 6, 2014 Jun 5, 2014 001-15319
SC 13D/A Open Document Open Filing SC 13D/A May 30, 2014
SC 13D/A Open Document Open Filing SC 13D/A May 23, 2014
4 Open Document Open Filing 4 May 9, 2014 May 7, 2014 001-35442
4 Open Document Open Filing 4 May 9, 2014 May 7, 2014 001-34364
4 Open Document Open Filing 4 May 9, 2014 May 7, 2014 001-11527
4 Open Document Open Filing 4 May 9, 2014 May 7, 2014 001-15319
4 Open Document Open Filing 4 May 9, 2014 May 7, 2014 001-09317
4 Open Document Open Filing 4 May 5, 2014 May 2, 2014 001-34364
4 Open Document Open Filing 4 May 5, 2014 May 2, 2014 001-35442
4 Open Document Open Filing 4 Apr 8, 2014 Apr 7, 2014 001-15319
4 Open Document Open Filing 4 Apr 8, 2014 Apr 7, 2014 001-35442
4 Open Document Open Filing 4 Apr 8, 2014 Apr 7, 2014 001-11527
4 Open Document Open Filing 4 Apr 8, 2014 Apr 7, 2014 001-34364
4 Open Document Open Filing 4 Apr 8, 2014 Apr 7, 2014 001-09317
4 Open Document Open Filing 4 Mar 18, 2014 Mar 14, 2014 001-11527
4 Open Document Open Filing 4 Mar 11, 2014 Mar 7, 2014 001-11527
4 Open Document Open Filing 4 Mar 11, 2014 Mar 7, 2014 001-34364
4 Open Document Open Filing 4 Mar 11, 2014 Mar 7, 2014 001-15319
4 Open Document Open Filing 4 Mar 11, 2014 Mar 7, 2014 001-35442
4 Open Document Open Filing 4 Mar 11, 2014 Mar 7, 2014 001-09317
4 Open Document Open Filing 4 Feb 10, 2014 Feb 7, 2014 001-34364
4 Open Document Open Filing 4 Feb 10, 2014 Feb 7, 2014 001-09317
4 Open Document Open Filing 4 Feb 10, 2014 Feb 7, 2014 001-35442
4 Open Document Open Filing 4 Feb 10, 2014 Feb 7, 2014 001-15319
4 Open Document Open Filing 4 Feb 10, 2014 Feb 7, 2014 001-11527