D. Mark DeWalch

Business address
C/O Black Stone Minerals, L.P., 1001 Fannin Street, Suite 2020, Houston, TX, 77002
Top holdings (ownership)
BSM
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D. Mark DeWalch has filed 30 SEC EDGAR filings since 30 Apr 2015

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 07 Oct 2025 03 Oct 2025 001-37362
4 Open Document Open Filing FORM 4 03 Jul 2025 03 Jul 2025 001-37362
4 Open Document Open Filing FORM 4 07 Apr 2025 04 Apr 2025 001-37362
4 Open Document Open Filing FORM 4 15 Jan 2025 13 Jan 2025 001-37362
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025 001-37362
4 Open Document Open Filing FORM 4 08 Oct 2024 04 Oct 2024 001-37362
4 Open Document Open Filing FORM 4 15 Aug 2024 15 Aug 2024 001-37362
4 Open Document Open Filing FORM 4 08 Jul 2024 05 Jul 2024 001-37362
4 Open Document Open Filing FORM 4 09 Apr 2024 05 Apr 2024 001-37362
4 Open Document Open Filing FORM 4 27 Feb 2024 26 Feb 2024 001-37362
4 Open Document Open Filing FORM 4 16 Jan 2024 11 Jan 2024 001-37362
4 Open Document Open Filing FORM 4 17 Nov 2023 16 Nov 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 07 Mar 2023 06 Mar 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jan 2023 11 Jan 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 11 Jan 2022 11 Jan 2022 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jan 2021 12 Jan 2021 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jan 2020 13 Jan 2020 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2019 10 Jun 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 29 May 2019 24 May 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 14 Jan 2019 11 Jan 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 19 Nov 2018 16 Nov 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 09 Apr 2018 05 Apr 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jan 2018 11 Jan 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 01 May 2017 28 Apr 2017 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jan 2017 11 Jan 2017 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 12 Apr 2016 08 Apr 2016 001-37362
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jan 2016 12 Jan 2016 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 03 Aug 2015 30 Jul 2015 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION 08 May 2015 06 May 2015 001-37362
3 Open Document Open Filing FORM 3 SUBMISSION 30 Apr 2015 30 Apr 2015 001-37362