Mark Mason

Business address
388 Greenwich Street, New York, NY, 10013
Top holdings (ownership)
C and MSFT
Get insider transactions for this reporting owner
Mark Mason has filed 49 SEC EDGAR filings since 30 Mar 2010

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 05 Dec 2025 04 Dec 2025 001-37845
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 12 Sep 2025 10 Sep 2025 001-37845
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 Jun 2025 10 Jun 2025 001-37845
4 Open Document Open Filing 4 24 Feb 2025 21 Feb 2025 001-09924
4 Open Document Open Filing 4 18 Feb 2025 13 Feb 2025 001-09924
144 Open Document Open Filing 14 Feb 2025
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Feb 2025 31 Jan 2025 001-37845
4 Open Document Open Filing 4 22 Jan 2025 20 Jan 2025 001-09924
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 10 Dec 2024 09 Dec 2024 001-37845
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 09 Sep 2024 06 Sep 2024 001-37845
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 07 Jun 2024 07 Jun 2024 001-37845
4 Open Document Open Filing 4 27 Feb 2024 23 Feb 2024 001-09924
4 Open Document Open Filing 4 20 Feb 2024 15 Feb 2024 001-09924
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Feb 2024 31 Jan 2024 001-37845
4 Open Document Open Filing 4 23 Jan 2024 20 Jan 2024 001-09924
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 08 Dec 2023 07 Dec 2023 001-37845
4 Open Document Open Filing FORM 4 SUBMISSION 21 Feb 2023 16 Feb 2023 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jan 2023 20 Jan 2023 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2022 10 Feb 2022 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jan 2022 20 Jan 2022 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 07 May 2021 07 May 2021 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2021 11 Feb 2021 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jan 2021 20 Jan 2021 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2020 13 Feb 2020 001-09924
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jan 2020 20 Jan 2020 001-09924
4 Open Document Open Filing PRIMARY DOCUMENT 18 Mar 2019 15 Mar 2019 001-34680
3 Open Document Open Filing FORM 3 SUBMISSION 04 Mar 2019 23 Feb 2019 001-09924
4 Open Document Open Filing PRIMARY DOCUMENT 18 Dec 2018 14 Dec 2018 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 18 Sep 2018 14 Sep 2018 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 18 Jun 2018 14 Jun 2018 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 18 May 2018 16 May 2018 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2018 16 Mar 2018 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 18 Dec 2017 15 Dec 2017 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 18 Sep 2017 15 Sep 2017 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jun 2017 15 Jun 2017 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2017 17 May 2017 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 24 May 2016 20 May 2016 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2015 20 May 2015 001-34680
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2014 21 May 2014 001-34680