David B. Roberts

Entity
Individual
Business address
55 Bradford Street, 02492 Needham, MA
Insider ownership signature
/s/ David B. Roberts
All SEC filings
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David B. Roberts has filed 182 SEC EDGAR filings since 10/18/2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Dec 3, 2025 Dec 2, 2025 001-33092
4 Open Document Open Filing FORM 4 Sep 8, 2025 Sep 4, 2025 001-33092
4 Open Document Open Filing FORM 4 Aug 13, 2025 Aug 11, 2025 001-33092
144 Open Document Open Filing Aug 11, 2025
3 Open Document Open Filing FORM 3 Jun 10, 2025 Jun 7, 2025 001-42437
4 Open Document Open Filing FORM 4 Jun 2, 2025 May 29, 2025 001-33092
4 Open Document Open Filing FORM 4 Mar 31, 2025 Mar 27, 2025 001-33092
4 Open Document Open Filing FORM 4 Mar 11, 2025 Mar 7, 2025 001-33092
4 Open Document Open Filing FORM 4 Mar 4, 2025 Feb 28, 2025 001-33092
4 Open Document Open Filing FORM 4 Feb 20, 2025 Feb 18, 2025 001-33092
4 Open Document Open Filing FORM 4 Dec 26, 2024 Dec 20, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 13, 2024 Dec 11, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 11, 2024 Dec 9, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 10, 2024 Dec 6, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 9, 2024 Dec 5, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 4, 2024 Dec 2, 2024 001-33092
4 Open Document Open Filing FORM 4 Sep 3, 2024 Aug 29, 2024 001-33092
4 Open Document Open Filing FORM 4 Aug 15, 2024 Aug 13, 2024 001-33092
144 Open Document Open Filing Aug 13, 2024
4 Open Document Open Filing FORM 4 Jun 3, 2024 May 30, 2024 001-33092
4 Open Document Open Filing FORM 4 May 8, 2024 May 6, 2024 001-33092
144 Open Document Open Filing May 6, 2024
4 Open Document Open Filing FORM 4 Apr 1, 2024 Mar 28, 2024 001-33092
4 Open Document Open Filing FORM 4 Mar 4, 2024 Feb 29, 2024 001-33092
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024 001-33092
4 Open Document Open Filing FORM 4 Dec 21, 2023 Dec 19, 2023 001-33092
4 Open Document Open Filing FORM 4 Dec 13, 2023 Dec 11, 2023 001-33092
4 Open Document Open Filing FORM 4 Dec 12, 2023 Dec 8, 2023 001-33092
4 Open Document Open Filing FORM 4 Dec 5, 2023 Dec 2, 2023 001-33092
4 Open Document Open Filing FORM 4 Dec 4, 2023 Nov 30, 2023 001-33092
4 Open Document Open Filing FORM 4 Sep 5, 2023 Sep 1, 2023 001-33092
4 Open Document Open Filing FORM 4 Jun 5, 2023 Jun 1, 2023 001-33092
4 Open Document Open Filing FORM 4 May 8, 2023 May 4, 2023 001-33092
144 Open Document Open Filing May 4, 2023
144 Open Document Open Filing May 4, 2023
4 Open Document Open Filing FORM 4 Mar 27, 2023 Mar 23, 2023 001-33092
4 Open Document Open Filing FORM 4 Mar 1, 2023 Feb 27, 2023 001-33092
4 Open Document Open Filing FORM 4 Jan 9, 2023 Jan 6, 2023 001-33092
4 Open Document Open Filing FORM 4 Dec 27, 2022 Dec 22, 2022 001-33092
4 Open Document Open Filing FORM 4 Dec 21, 2022 Dec 19, 2022 001-33092
4 Open Document Open Filing FORM 4 Dec 13, 2022 Dec 11, 2022 001-33092
4 Open Document Open Filing FORM 4 Dec 6, 2022 Dec 2, 2022 001-33092
4 Open Document Open Filing FORM 4 Dec 5, 2022 Dec 1, 2022 001-33092
4 Open Document Open Filing FORM 4 Nov 8, 2022 Nov 7, 2022 001-33092
4 Open Document Open Filing FORM 4 Sep 12, 2022 Sep 8, 2022 001-33092
4 Open Document Open Filing FORM 4 Jun 6, 2022 Jun 2, 2022 001-33092
4 Open Document Open Filing FORM 4 Mar 28, 2022 Mar 24, 2022 001-33092
4 Open Document Open Filing FORM 4 Mar 1, 2022 Feb 25, 2022 001-33092
4 Open Document Open Filing FORM 4 Dec 27, 2021 Dec 22, 2021 001-33092
4 Open Document Open Filing FORM 4 Dec 21, 2021 Dec 19, 2021 001-33092
4 Open Document Open Filing FORM 4 Dec 14, 2021 Dec 11, 2021 001-33092
4 Open Document Open Filing FORM 4 Dec 6, 2021 Dec 2, 2021 001-33092
4 Open Document Open Filing FORM 4 Nov 4, 2021 Nov 3, 2021 001-33092
4 Open Document Open Filing FORM 4 Sep 13, 2021 Sep 9, 2021 001-33092
4 Open Document Open Filing FORM 4 Jul 30, 2021 Jul 25, 2021 001-33092
4 Open Document Open Filing FORM 4 Jun 7, 2021 Jun 3, 2021 001-33092
4 Open Document Open Filing FORM 4 May 5, 2021 May 3, 2021 001-33092
4 Open Document Open Filing FORM 4 Mar 29, 2021 Mar 25, 2021 001-33092
4 Open Document Open Filing FORM 4 Mar 11, 2021 Mar 9, 2021 001-33092
4 Open Document Open Filing FORM 4 Mar 3, 2021 Mar 1, 2021 001-33092
4/A Open Document Open Filing FORM 4/A Jan 8, 2021 Dec 19, 2020 001-33092
4/A Open Document Open Filing FORM 4/A Dec 28, 2020 Dec 19, 2020 001-33092
4 Open Document Open Filing FORM 4 Dec 23, 2020 Dec 19, 2020 001-33092
4 Open Document Open Filing FORM 4 Dec 4, 2020 Dec 2, 2020 001-33092
4 Open Document Open Filing FORM 4 Oct 23, 2020 Oct 21, 2020 001-33092
4 Open Document Open Filing FORM 4 Sep 14, 2020 Sep 10, 2020 001-33092
4 Open Document Open Filing FORM 4 Aug 17, 2020 Aug 14, 2020 001-33092
4 Open Document Open Filing FORM 4 Jul 28, 2020 Jul 25, 2020 001-33092
4 Open Document Open Filing FORM 4 Jun 8, 2020 Jun 4, 2020 001-33092
4 Open Document Open Filing FORM 4 Mar 23, 2020 Mar 19, 2020 001-33092
4 Open Document Open Filing FORM 4 Dec 26, 2019 Dec 22, 2019 001-33092
4 Open Document Open Filing FORM 4 Dec 23, 2019 Dec 19, 2019 001-33092
4 Open Document Open Filing FORM 4 Dec 9, 2019 Dec 5, 2019 001-33092
4 Open Document Open Filing FORM 4 Nov 27, 2019 Nov 27, 2019 001-33092
4 Open Document Open Filing SALE Oct 30, 2019 Oct 28, 2019 001-33092
4 Open Document Open Filing FORM 4 Oct 22, 2019 Oct 18, 2019 001-33092
4 Open Document Open Filing FORM 4 Sep 9, 2019 Sep 5, 2019 001-33092
4 Open Document Open Filing FORM 4 Jul 29, 2019 Jul 25, 2019 001-33092
4 Open Document Open Filing DEU ACCRUAL Jun 10, 2019 Jun 6, 2019 001-33092
4 Open Document Open Filing FORM 4 Apr 9, 2019 Apr 5, 2019 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 27, 2018 Dec 22, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 21, 2018 Dec 19, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 10, 2018 Dec 6, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 10, 2018 Sep 6, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 6, 2018 Aug 2, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jul 27, 2018 Jul 25, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jun 8, 2018 Jun 7, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 3, 2018 May 1, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Apr 9, 2018 Apr 5, 2018 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 27, 2017 Dec 22, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 11, 2017 Dec 7, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Nov 7, 2017 Nov 6, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 11, 2017 Sep 7, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 1, 2017 Aug 30, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 8, 2017 Aug 4, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jul 27, 2017 Jul 25, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jun 12, 2017 Jun 8, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jun 7, 2017 Jun 5, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 12, 2017 May 11, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 5, 2017 May 3, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Apr 26, 2017 Apr 25, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Apr 7, 2017 Apr 6, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Mar 10, 2017 Mar 10, 2017 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 7, 2016 Dec 5, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Nov 21, 2016 Nov 17, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Oct 17, 2016 Oct 13, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 20, 2016 Sep 16, 2016 001-33092
4/A Open Document Open Filing FORM 4/A SUBMISSION Sep 16, 2016 Sep 14, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 16, 2016 Sep 14, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Sep 8, 2016 Sep 6, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 25, 2016 Aug 23, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 5, 2016 Aug 3, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jul 27, 2016 Jul 25, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 9, 2016 May 6, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Apr 19, 2016 Apr 15, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Apr 6, 2016 Apr 4, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Feb 29, 2016 Feb 25, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jan 14, 2016 Jan 12, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jan 13, 2016 Jan 11, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jan 12, 2016 Jan 8, 2016 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Nov 25, 2015 Nov 23, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Nov 20, 2015 Nov 18, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 21, 2015 Aug 20, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Aug 3, 2015 Jul 31, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jul 27, 2015 Jul 23, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jun 9, 2015 Jun 5, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 11, 2015 May 7, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION May 6, 2015 May 4, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Mar 6, 2015 Mar 6, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Mar 4, 2015 Mar 2, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Jan 5, 2015 Jan 2, 2015 001-33092
4 Open Document Open Filing FORM 4 SUBMISSION Dec 9, 2014 Dec 9, 2014 001-33092
4 Open Document Open Filing ROBERTS FORM 4 2014-10-31 Nov 3, 2014 Oct 31, 2014 001-33092
4 Open Document Open Filing ROBERTS FORM 4 2014-07-24 Jul 28, 2014 Jul 24, 2014 001-33092
4 Open Document Open Filing ROBERTS FORM 4 2014-5-7 May 9, 2014 May 7, 2014 001-33092
4 Open Document Open Filing ROBERTS FORM 4 2014-2-27 Feb 28, 2014 Feb 27, 2014 001-33092