Eric S. Marmurek

Business address
C/O 4 Technology Park Drive, Westford, MA, 01886
Top holdings (ownership)
RBBN
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Eric S. Marmurek has filed 43 SEC EDGAR filings since 06 Nov 2017

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 16 Dec 2025 15 Dec 2025 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Oct 2025 15 Oct 2025 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 May 2025 15 May 2025 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 22 Apr 2025 17 Apr 2025 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 18 Mar 2025 15 Mar 2025 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Oct 2024 17 Oct 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Oct 2024 15 Oct 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 May 2024 15 May 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Apr 2024 17 Apr 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 18 Mar 2024 15 Mar 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Jan 2024 18 Jan 2024 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 23 Oct 2023 18 Oct 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Sep 2023 15 Sep 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 20 Jun 2023 16 Jun 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Apr 2023 17 Apr 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Mar 2023 15 Mar 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Jan 2023 17 Jan 2023 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Sep 2022 15 Sep 2022 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Jun 2022 15 Jun 2022 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 20 Apr 2022 18 Apr 2022 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 18 Apr 2022 15 Apr 2022 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Mar 2022 15 Mar 2022 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Oct 2021 15 Oct 2021 001-38267
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Sep 2021 16 Sep 2021 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2021 15 Apr 2021 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2021 15 Mar 2021 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 02 Mar 2021 26 Feb 2021 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 10 Dec 2020 08 Dec 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2020 16 Nov 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2020 15 Oct 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jun 2020 19 Jun 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2020 15 May 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 17 Apr 2020 15 Apr 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 18 Mar 2020 16 Mar 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 03 Mar 2020 28 Feb 2020 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 19 Nov 2019 15 Nov 2019 001-38267
4/A Open Document Open Filing PRIMARY DOCUMENT 19 Nov 2019 15 May 2019 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2019 15 May 2019 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2019 15 Apr 2019 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 19 Nov 2018 15 Nov 2018 001-38267
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2017 15 Nov 2017 001-38267
3 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2017 27 Oct 2017 001-38267