MICHAEL PORCELAIN

Business address
68 South Service Road, Suite 230, Melville, NY, 11747
Top holdings (ownership)
CMTL and AIRI
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MICHAEL PORCELAIN has filed 150 SEC EDGAR filings since 06 Aug 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 09 Dec 2025 08 Dec 2025 001-35927
4/A Open Document Open Filing 08 Dec 2025 22 Oct 2025 001-35927
4 Open Document Open Filing 23 Oct 2025 22 Oct 2025 001-35927
4 Open Document Open Filing 29 Jul 2025 28 Jul 2025 001-35927
4 Open Document Open Filing 23 Apr 2025 22 Apr 2025 001-35927
4 Open Document Open Filing 08 Jan 2025 06 Jan 2025 001-35927
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO THE SCHEDULE 13D 18 Nov 2024
DFAN14A Open Document Open Filing 04 Nov 2024
DFAN14A Open Document Open Filing 31 Oct 2024
CORRESP Open Document Open Filing 17 Oct 2024
DFAN14A Open Document Open Filing 17 Oct 2024
4 Open Document Open Filing 08 Oct 2024 07 Oct 2024 001-35927
DFAN14A Open Document Open Filing 23 Sep 2024
SC 13D Open Document Open Filing THE SCHEDULE 13D 20 Sep 2024
4 Open Document Open Filing 15 Aug 2024 13 Aug 2024 001-35927
4 Open Document Open Filing 05 Jul 2024 02 Jul 2024 001-35927
4 Open Document Open Filing 29 Apr 2024 25 Apr 2024 001-35927
4 Open Document Open Filing 10 Jan 2024 08 Jan 2024 001-35927
4 Open Document Open Filing 04 Oct 2023 04 Oct 2023 001-35927
4 Open Document Open Filing 20 Jul 2023 19 Jul 2023 001-35927
4/A Open Document Open Filing OWNERSHIP DOCUMENT 22 Jun 2023 02 Jun 2023 001-35927
4/A Open Document Open Filing 20 Jun 2023 02 Jun 2023 001-35927
4/A Open Document Open Filing 20 Jun 2023 23 May 2023 001-35927
4 Open Document Open Filing 06 Jun 2023 02 Jun 2023 001-35927
4 Open Document Open Filing 25 May 2023 23 May 2023 001-35927
4 Open Document Open Filing 10 Jan 2023 09 Jan 2023 001-35927
4 Open Document Open Filing 04 Oct 2022 03 Oct 2022 001-35927
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 Aug 2022 09 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 Aug 2022 09 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 10 Aug 2022 09 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 10 Aug 2022 09 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 09 Aug 2022 08 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Aug 2022 04 Aug 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 02 Aug 2022 31 Jul 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Aug 2022 28 Jul 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Jul 2022 21 Jul 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 18 Jul 2022 18 Jul 2022 000-07928
4 Open Document Open Filing 06 Jul 2022 06 Jul 2022 001-35927
4 Open Document Open Filing 07 Apr 2022 06 Apr 2022 001-35927
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Jan 2022 03 Jan 2022 000-07928
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Jan 2022 03 Jan 2022 000-07928
4 Open Document Open Filing 05 Jan 2022 03 Jan 2022 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 06 Oct 2021 04 Oct 2021 000-07928
4 Open Document Open Filing 04 Oct 2021 01 Oct 2021 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 29 Sep 2021 27 Sep 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 29 Sep 2021 27 Sep 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 12 Aug 2021 10 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2021 09 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2021 09 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2021 09 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2021 08 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Aug 2021 04 Aug 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 03 Aug 2021 31 Jul 2021 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 03 Aug 2021 31 Jul 2021 000-07928
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Jul 2021 07 Jul 2021 001-35927
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Apr 2021 06 Apr 2021 001-35927
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Jan 2021 11 Jan 2021 001-35927
4 Open Document Open Filing 06 Jan 2021 04 Jan 2021 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 06 Oct 2020 04 Oct 2020 000-07928
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Oct 2020 05 Oct 2020 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 24 Sep 2020 22 Sep 2020 000-07928
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Aug 2020 15 Jul 2020 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2020 09 Aug 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2020 09 Aug 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2020 09 Aug 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2020 08 Aug 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Aug 2020 04 Aug 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 04 Aug 2020 31 Jul 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 04 Aug 2020 31 Jul 2020 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 29 May 2020 28 May 2020 000-07928
4 Open Document Open Filing 13 Apr 2020 13 Apr 2020 001-35927
4 Open Document Open Filing 09 Jan 2020 07 Jan 2020 001-35927
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Dec 2019 01 Jul 2019 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2019 04 Nov 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 08 Oct 2019 04 Oct 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2019 24 Sep 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 13 Aug 2019 09 Aug 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 13 Aug 2019 09 Aug 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 13 Aug 2019 09 Aug 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 12 Aug 2019 08 Aug 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2019 31 Jul 2019 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2019 31 Jul 2019 000-07928
4 Open Document Open Filing 04 Apr 2019 04 Apr 2019 001-35927
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Feb 2019 13 Feb 2019 001-35927
4 Open Document Open Filing 18 Jan 2019 04 Jan 2019 001-35927
5 Open Document Open Filing OWNERSHIP DOCUMENT 17 Jan 2019 31 Dec 2018 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2018 04 Oct 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2018 25 Sep 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 25 Sep 2018 23 Sep 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2018 09 Aug 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2018 09 Aug 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2018 08 Aug 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2018 31 Jul 2018 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2018 31 Jul 2018 000-07928
4 Open Document Open Filing 16 May 2018 14 May 2018 001-35927
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Jan 2018 29 Jan 2018 001-35927
4 Open Document Open Filing 02 Jan 2018 02 Jan 2018 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2017 12 Dec 2017 000-07928
3 Open Document Open Filing 26 Oct 2017 23 Oct 2017 001-35927
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2017 02 Oct 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 28 Sep 2017 26 Sep 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2017 23 Sep 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2017 09 Aug 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2017 09 Aug 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2017 31 Jul 2017 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 07 Oct 2016 05 Oct 2016 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 11 Aug 2016 09 Aug 2016 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Oct 2015 02 Oct 2015 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 25 Sep 2015 23 Sep 2015 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Aug 2015 04 Aug 2015 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Oct 2014 02 Oct 2014 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 25 Sep 2014 23 Sep 2014 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 06 Aug 2014 04 Aug 2014 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 05 Aug 2014 01 Aug 2014 000-07928
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2014 02 Jun 2014 000-07928