Brian S. Posner

Entity
Individual
Business address
14 Cambridge Center, 02142 Cambridge, MA
Insider ownership signature
/s/ Ron Caponigro, Attorney-in-Fact
All SEC filings
View on sec.gov
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Brian S. Posner has filed 84 SEC EDGAR filings since 8/11/2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Oct 2, 2025 Oct 1, 2025 001-39509
3 Open Document Open Filing 3 Oct 2, 2025 Oct 1, 2025 001-39509
4 Open Document Open Filing Aug 4, 2025 Aug 1, 2025 001-16209
4 Open Document Open Filing May 9, 2025 May 7, 2025 001-16209
4 Open Document Open Filing May 13, 2024 May 9, 2024 001-16209
4 Open Document Open Filing May 8, 2023 May 4, 2023 001-16209
5 Open Document Open Filing PRIMARY DOCUMENT Jan 27, 2023 Dec 31, 2022 000-19311
4 Open Document Open Filing Nov 1, 2022 Oct 28, 2022 001-16209
4 Open Document Open Filing FORM 4 - May 6, 2022 May 4, 2022 001-16209
4 Open Document Open Filing FORM 4 - May 2, 2022 Apr 29, 2022 001-16209
4 Open Document Open Filing FORM 4 - Oct 1, 2021 Sep 30, 2021 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2021 Jul 1, 2021 000-19311
4 Open Document Open Filing FORM 4 - Jun 15, 2021 Jun 14, 2021 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Jun 7, 2021 Jun 4, 2021 000-19311
4 Open Document Open Filing FORM 4 - May 10, 2021 May 6, 2021 001-16209
5 Open Document Open Filing PRIMARY DOCUMENT Feb 9, 2021 Dec 31, 2020 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 5, 2020 Jun 3, 2020 000-19311
4 Open Document Open Filing FORM 4 - May 15, 2020 May 13, 2020 001-16209
4 Open Document Open Filing FORM 4 - May 8, 2020 May 6, 2020 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Dec 3, 2019 Dec 2, 2019 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2019 Jun 19, 2019 000-19311
4 Open Document Open Filing FORM 4 - May 9, 2019 May 8, 2019 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Feb 15, 2019 Feb 14, 2019 000-19311
4 Open Document Open Filing FORM 4 - Nov 29, 2018 Nov 28, 2018 001-16209
4 Open Document Open Filing FORM 4 - Nov 6, 2018 Nov 5, 2018 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Jun 14, 2018 Jun 12, 2018 000-19311
4 Open Document Open Filing FORM 4 - May 10, 2018 May 9, 2018 001-16209
4 Open Document Open Filing FORM 4 - May 4, 2018 May 3, 2018 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2018 Mar 8, 2018 001-37859
4 Open Document Open Filing PRIMARY DOCUMENT Feb 2, 2018 Jan 31, 2018 001-37859
4 Open Document Open Filing FORM 4 - Jan 2, 2018 Jan 2, 2018 001-16209
4 Open Document Open Filing FORM 4 - Sep 26, 2017 Sep 25, 2017 001-16209
4 Open Document Open Filing FORM 4 - Sep 19, 2017 Sep 18, 2017 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Aug 10, 2017 Aug 9, 2017 001-37859
4 Open Document Open Filing PRIMARY DOCUMENT Jun 12, 2017 Jun 9, 2017 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 9, 2017 Jun 7, 2017 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT May 24, 2017 May 24, 2017 001-37859
4 Open Document Open Filing FORM 4 - May 5, 2017 May 4, 2017 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Apr 17, 2017 Apr 17, 2017 001-37859
4/A Open Document Open Filing PRIMARY DOCUMENT Mar 27, 2017 Feb 14, 2017 001-37859
4 Open Document Open Filing PRIMARY DOCUMENT Feb 16, 2017 Feb 14, 2017 001-37859
3 Open Document Open Filing PRIMARY DOCUMENT Jan 19, 2017 Jan 10, 2017 001-37859
4 Open Document Open Filing FORM 4 - Nov 21, 2016 Nov 18, 2016 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Jun 9, 2016 Jun 8, 2016 000-19311
4 Open Document Open Filing FORM 4 - May 9, 2016 May 6, 2016 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Jun 23, 2015 Jun 22, 2015 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 16, 2015 Jun 15, 2015 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2015 Jun 10, 2015 000-19311
4 Open Document Open Filing FORM 4 - May 11, 2015 May 7, 2015 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2015 Feb 6, 2015 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jul 25, 2014 Jul 24, 2014 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 23, 2014 Jun 20, 2014 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 16, 2014 Jun 12, 2014 000-19311
4 Open Document Open Filing FORM 4 - BRIAN POSNER Jun 5, 2014 Jun 3, 2014 001-33827
4 Open Document Open Filing FORM 4 - May 13, 2014 May 9, 2014 001-16209
4 Open Document Open Filing PRIMARY DOCUMENT Apr 1, 2014 Mar 31, 2014 000-19311