William P. Phelan

Business address
C/O Mechanical Technology Inc, 325 Washington Avenue Extension, Albany, NY, 12205
Top holdings (ownership)
SLNH
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William P. Phelan has filed 41 SEC EDGAR filings since 20 Dec 2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 17 Dec 2025 16 Dec 2025 001-40261
144 Open Document Open Filing 16 Dec 2025
4 Open Document Open Filing 4 12 Dec 2025 10 Dec 2025 001-40261
4 Open Document Open Filing 4 03 Dec 2025 01 Dec 2025 001-40261
4 Open Document Open Filing 21 Nov 2025 19 Nov 2025 001-40261
144 Open Document Open Filing 19 Nov 2025
4 Open Document Open Filing 02 Sep 2025 01 Sep 2025 001-40261
4 Open Document Open Filing 4 12 Jun 2025 10 Jun 2025 001-40261
144 Open Document Open Filing 11 Jun 2025
144 Open Document Open Filing 10 Jun 2025
4 Open Document Open Filing 4 03 Jun 2025 01 Jun 2025 001-40261
4 Open Document Open Filing 03 Dec 2024 01 Dec 2024 001-40261
4 Open Document Open Filing 04 Sep 2024 01 Sep 2024 001-40261
4 Open Document Open Filing 05 Jun 2024 01 Jun 2024 001-40261
4 Open Document Open Filing 17 Apr 2024 15 Apr 2024 001-40261
4 Open Document Open Filing 23 Nov 2022 22 Nov 2022 001-40261
4 Open Document Open Filing 25 Aug 2022 24 Aug 2022 001-40261
4/A Open Document Open Filing 25 Aug 2022 26 Jan 2022 001-40261
4/A Open Document Open Filing 25 Aug 2022 14 Jan 2022 001-40261
4 Open Document Open Filing 26 Jan 2022 26 Jan 2022 001-40261
4 Open Document Open Filing 19 Jan 2022 14 Jan 2022 001-40261
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2021 13 May 2021 001-40261
4 Open Document Open Filing PRIMARY DOCUMENT 29 Mar 2021 25 Mar 2021 001-40261
3/A Open Document Open Filing PRIMARY DOCUMENT 03 Mar 2021 29 Nov 2020 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 04 Feb 2021 02 Feb 2021 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jan 2021 14 Jan 2021 000-06890
3 Open Document Open Filing 30 Nov 2020 29 Nov 2020 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 02 Nov 2016 10 Aug 2016 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jan 2016 14 Jan 2016 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 06 Mar 2015 05 Mar 2015 000-06890
4 Open Document Open Filing PRIMARY DOCUMENT 13 Mar 2014 12 Mar 2014 000-06890