David Platt

Entity
Individual
Business address
12 Appleton Circle, 02459 Newton, MA
Signature Ownership
David Platt
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David Platt has filed 76 SEC EDGAR filings since 2/4/2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Oct 28, 2024 Oct 25, 2024 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Aug 20, 2024 Aug 15, 2024 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Mar 27, 2024 Mar 27, 2024 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Jan 16, 2024 Jan 16, 2024 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Sep 15, 2023 Sep 14, 2023 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Aug 24, 2023 Aug 21, 2023 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT May 17, 2023 May 17, 2023 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT May 10, 2023 Apr 14, 2023 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Feb 8, 2023 Nov 21, 2022 001-35027
5 Open Document Open Filing PRIMARY DOCUMENT Feb 8, 2023 Dec 31, 2022 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT Aug 16, 2022 Aug 16, 2022 001-35027
4 Open Document Open Filing May 13, 2022 May 11, 2022 001-35027
5 Open Document Open Filing Jan 28, 2022 Dec 31, 2021 001-35027
4 Open Document Open Filing Jan 18, 2022 Nov 19, 2021 001-35027
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jun 7, 2021 Jun 4, 2021 001-35027
4 Open Document Open Filing FORM 4 Jan 19, 2021 Jan 15, 2021 001-35027
5 Open Document Open Filing Jan 4, 2021 Dec 31, 2020 001-35027
5 Open Document Open Filing SF0004_DAVID PLATT_FORM5 Jun 15, 2020 Dec 31, 2019 001-35027
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 7, 2020 Jan 7, 2020 001-35027
SC 13D Open Document Open Filing SCHEDULE 13D May 30, 2019
3 Open Document Open Filing OWNERSHIP DOCUMENT Sep 27, 2018 Sep 21, 2018 001-35027
4 Open Document Open Filing PRIMARY DOCUMENT May 18, 2015 May 14, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2015 Mar 9, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Feb 19, 2015 Feb 17, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2015 Feb 12, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2015 Feb 2, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 29, 2015 Jan 27, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 27, 2015 Jan 23, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 23, 2015 Jan 20, 2015 000-54586
4/A Open Document Open Filing PRIMARY DOCUMENT Jan 20, 2015 Jan 15, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 16, 2015 Jan 15, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 12, 2015 Jan 9, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2015 Jan 7, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 7, 2015 Jan 5, 2015 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2015 Dec 31, 2014 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Dec 31, 2014 Dec 30, 2014 000-54586
4 Open Document Open Filing PRIMARY DOCUMENT Apr 8, 2014 Feb 12, 2014 000-54586