JOHN DOWNING

Business address
310 Littleton Road, Westford, MA, 01886
Top holdings (ownership)
NTCT
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JOHN DOWNING has filed 142 SEC EDGAR filings since 16 Jun 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 07 Nov 2025 06 Nov 2025 000-26251
144 Open Document Open Filing 06 Nov 2025
4 Open Document Open Filing 03 Nov 2025 03 Nov 2025 000-26251
144 Open Document Open Filing 03 Nov 2025
4 Open Document Open Filing 28 Oct 2025 26 Oct 2025 000-26251
4 Open Document Open Filing 12 Aug 2025 08 Aug 2025 000-26251
144 Open Document Open Filing 08 Aug 2025
4 Open Document Open Filing 17 Jun 2025 15 Jun 2025 000-26251
4 Open Document Open Filing 10 Jun 2025 06 Jun 2025 000-26251
4 Open Document Open Filing 06 Jun 2025 04 Jun 2025 000-26251
4 Open Document Open Filing 30 May 2025 29 May 2025 000-26251
144 Open Document Open Filing 29 May 2025
4/A Open Document Open Filing 08 May 2025 06 May 2025 000-26251
4 Open Document Open Filing 07 May 2025 05 May 2025 000-26251
4 Open Document Open Filing 4 19 Feb 2025 18 Feb 2025 000-26251
144 Open Document Open Filing 18 Feb 2025
4 Open Document Open Filing 4 13 Nov 2024 11 Nov 2024 000-26251
144 Open Document Open Filing 12 Nov 2024
4 Open Document Open Filing 4 29 Oct 2024 26 Oct 2024 000-26251
4 Open Document Open Filing 4 16 Aug 2024 15 Aug 2024 000-26251
144 Open Document Open Filing 15 Aug 2024
4 Open Document Open Filing 4 18 Jun 2024 15 Jun 2024 000-26251
4 Open Document Open Filing 4 10 Jun 2024 06 Jun 2024 000-26251
4 Open Document Open Filing 4 05 Jun 2024 26 Oct 2023 000-26251
4 Open Document Open Filing 4 20 Feb 2024 16 Feb 2024 000-26251
144 Open Document Open Filing 16 Feb 2024
4 Open Document Open Filing 4 14 Nov 2023 10 Nov 2023 000-26251
144 Open Document Open Filing 13 Nov 2023
4 Open Document Open Filing 4 09 Aug 2023 08 Aug 2023 000-26251
144 Open Document Open Filing 08 Aug 2023
4 Open Document Open Filing 4 03 Aug 2023 01 Aug 2023 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 20 Jun 2023 15 Jun 2023 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2023 03 Jun 2023 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 19 May 2023 17 May 2023 000-26251
144 Open Document Open Filing 17 May 2023
4 Open Document Open Filing 4 16 May 2023 12 May 2023 000-26251
144 Open Document Open Filing 15 May 2023
4 Open Document Open Filing FORM 4 SUBMISSION 21 Feb 2023 16 Feb 2023 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 Nov 2022 10 Nov 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 27 Oct 2022 25 Oct 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 11 Aug 2022 09 Aug 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 03 Aug 2022 01 Aug 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2022 03 Jun 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 16 May 2022 12 May 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 16 Feb 2022 14 Feb 2022 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 10 Nov 2021 09 Nov 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 10 Aug 2021 09 Aug 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 03 Aug 2021 01 Aug 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2021 03 Jun 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 May 2021 10 May 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2021 10 Feb 2021 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Nov 2020 10 Nov 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Aug 2020 10 Aug 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 04 Aug 2020 01 Aug 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jun 2020 03 Jun 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2020 01 Jun 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 May 2020 12 May 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2020 10 Feb 2020 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Nov 2019 05 Nov 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 06 Sep 2019 04 Sep 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 13 Aug 2019 12 Aug 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Aug 2019 01 Aug 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 01 Aug 2019 30 Jul 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jun 2019 03 Jun 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 May 2019 13 May 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 08 Feb 2019 07 Feb 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 05 Feb 2019 01 Feb 2019 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Dec 2018 11 Dec 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 Nov 2018 13 Nov 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Nov 2018 06 Nov 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 06 Sep 2018 04 Sep 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 08 Aug 2018 06 Aug 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 02 Aug 2018 01 Aug 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jul 2018 18 Jul 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jun 2018 01 Jun 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 10 May 2018 08 May 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 05 Feb 2018 02 Feb 2018 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 12 Dec 2017 11 Dec 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 Nov 2017 13 Nov 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 01 Nov 2017 31 Oct 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 06 Sep 2017 04 Sep 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 29 Aug 2017 26 Aug 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 02 Aug 2017 01 Aug 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 27 Jul 2017 25 Jul 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jun 2017 01 Jun 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 11 May 2017 10 May 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 06 Feb 2017 03 Feb 2017 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 13 Dec 2016 11 Dec 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 15 Nov 2016 13 Nov 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 02 Nov 2016 01 Nov 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 07 Sep 2016 04 Sep 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 29 Aug 2016 26 Aug 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 23 Aug 2016 21 Aug 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 02 Aug 2016 02 Aug 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2016 02 Feb 2016 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 14 Dec 2015 11 Dec 2015 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 16 Nov 2015 13 Nov 2015 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 09 Sep 2015 04 Sep 2015 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 26 Aug 2015 26 Aug 2015 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 25 Aug 2015 21 Aug 2015 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 09 Apr 2015 11 Dec 2014 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 17 Nov 2014 13 Nov 2014 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 08 Sep 2014 07 Sep 2014 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 26 Aug 2014 26 Aug 2014 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 22 Aug 2014 21 Aug 2014 000-26251
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jun 2014 08 Jun 2014 000-26251