Mark Winmill SEC EDGAR Filings (CIK 0001019264)

SEC EDGAR filings, ownership reports, and insider transactions for Mark Winmill.

Business address
3814 Route 44, Millbrook, NY, 12545
Top holdings (ownership)
SELF
Top holdings (Schedule 13D)
SELF
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Mark Winmill has filed 74 SEC EDGAR filings since 18 Feb 1997

Latest Filings

Recent SEC filings for Mark Winmill including SCHEDULE 13D/A, 4, SC 13D/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 05 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2025 03 Dec 2025 001-12681
SCHEDULE 13D/A Open SCHEDULE 13D/A document | Open XBRL data View SEC filing for SCHEDULE 13D/A 21 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 May 2025 19 May 2025 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2025 25 Mar 2025 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 May 2024 28 May 2024 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2024 25 Mar 2024 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Nov 2023 16 Nov 2023 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Aug 2023 17 Aug 2023 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2023 15 May 2023 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2023 27 Mar 2023 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Nov 2022 18 Nov 2022 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2022 23 Aug 2022 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 May 2022 20 May 2022 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2022 28 Mar 2022 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Aug 2021 24 Aug 2021 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2021 20 Aug 2021 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2021 25 Mar 2021 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2020 19 Nov 2020 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Aug 2020 19 Aug 2020 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Aug 2020 31 Jul 2020 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 May 2020 20 May 2020 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2020 26 Mar 2020 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Dec 2019 13 Dec 2019 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2019 28 May 2019 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2019 27 Mar 2019 001-12681
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 01 Jun 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 May 2018 18 May 2018 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2018 29 Mar 2018 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2017 23 Aug 2017 001-12681
SC 13D Open SC 13D document View SEC filing for SC 13D 17 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Dec 2016 30 Nov 2016 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Aug 2016 23 Aug 2016 811-08025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2016 26 May 2016 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2016 25 May 2016 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2016 23 May 2016 001-12681
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Mar 2012 26 Mar 2012 811-08025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2012 15 Mar 2012 811-08025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2012 09 Mar 2012 811-08025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2012 07 Mar 2012 811-08025
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Mar 2012 09 Aug 2011 811-09261

About this filer

Mark Winmill files with the SEC under CIK 0001019264. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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