D. Mark DeWalch

Business address
C/O Black Stone Minerals, L.P., 1001 Fannin Street, Suite 2020, Houston, TX, 77002
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D. Mark DeWalch has filed 30 SEC EDGAR filings since 4/30/2015

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 Oct 7, 2025 Oct 3, 2025 001-37362
4 Open Document Open Filing FORM 4 Jul 3, 2025 Jul 3, 2025 001-37362
4 Open Document Open Filing FORM 4 Apr 7, 2025 Apr 4, 2025 001-37362
4 Open Document Open Filing FORM 4 Jan 15, 2025 Jan 13, 2025 001-37362
4 Open Document Open Filing FORM 4 Jan 7, 2025 Jan 3, 2025 001-37362
4 Open Document Open Filing FORM 4 Oct 8, 2024 Oct 4, 2024 001-37362
4 Open Document Open Filing FORM 4 Aug 15, 2024 Aug 15, 2024 001-37362
4 Open Document Open Filing FORM 4 Jul 8, 2024 Jul 5, 2024 001-37362
4 Open Document Open Filing FORM 4 Apr 9, 2024 Apr 5, 2024 001-37362
4 Open Document Open Filing FORM 4 Feb 27, 2024 Feb 26, 2024 001-37362
4 Open Document Open Filing FORM 4 Jan 16, 2024 Jan 11, 2024 001-37362
4 Open Document Open Filing FORM 4 Nov 17, 2023 Nov 16, 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Mar 7, 2023 Mar 6, 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 13, 2023 Jan 11, 2023 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 11, 2022 Jan 11, 2022 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 13, 2021 Jan 12, 2021 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 15, 2020 Jan 13, 2020 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jun 12, 2019 Jun 10, 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION May 29, 2019 May 24, 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 14, 2019 Jan 11, 2019 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Nov 19, 2018 Nov 16, 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Apr 9, 2018 Apr 5, 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 16, 2018 Jan 11, 2018 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION May 1, 2017 Apr 28, 2017 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Jan 12, 2017 Jan 11, 2017 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Apr 12, 2016 Apr 8, 2016 001-37362
4 Open Document Open Filing PRIMARY DOCUMENT Jan 14, 2016 Jan 12, 2016 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION Aug 3, 2015 Jul 30, 2015 001-37362
4 Open Document Open Filing FORM 4 SUBMISSION May 8, 2015 May 6, 2015 001-37362
3 Open Document Open Filing FORM 3 SUBMISSION Apr 30, 2015 Apr 30, 2015 001-37362