Dorchester Minerals, L.P. SEC filings DMLP
Dorchester Minerals, L.P. has 952 filings in SEC EDGAR's recent list, going back to May 15, 2002. Its latest annual report, Form 10-K, was filed on Feb 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 19, 2026 | Aug 19, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 12, 2026 |
| 3 | Initial insider ownership | Feb 18, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 3 | Initial insider ownership | Jan 9, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 17, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 5, 2025 |
| 3 | Initial insider ownership | May 29, 2025 | May 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 1, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 30, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 23, 2024 | — |
| 4/A | Form4a-moriyama-121724 | Dec 17, 2024 | Dec 3, 2024 |
| 4/A | Form4a-ehrman-121724 | Dec 17, 2024 | Dec 3, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 3, 2024 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 3, 2024 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 3, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 15, 2024 | Nov 14, 2024 |
| SC 13D | Ownership over 5% (active) | Nov 7, 2024 | — |
| 3 | Initial insider ownership | Oct 23, 2024 | Oct 15, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 11, 2024 | — |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 17, 2024 |
| 4 | Insider transaction | Apr 11, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Dec 15, 2023 |
| 4 | Insider transaction | Feb 21, 2024 | Dec 15, 2023 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 2, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 29, 2024 | Jan 25, 2024 |
| 3 | Initial insider ownership | Jan 19, 2024 | Jan 10, 2024 |
| 4 | Insider transaction | Dec 27, 2023 | Dec 26, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 21, 2023 |
| 4 | Insider transaction | Dec 21, 2023 | Dec 19, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 1, 2023 | May 30, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 13, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Dec 8, 2022 | Dec 6, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 14, 2022 | Nov 10, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Mar 10, 2022 | Mar 9, 2022 |
| 4 | Insider transaction | Mar 10, 2022 | Mar 8, 2022 |
| 4 | Insider transaction | Dec 20, 2021 | Dec 20, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 7, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Nov 8, 2021 | Nov 4, 2021 |
| 4 | Insider transaction | Nov 3, 2021 | Nov 2, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 19, 2021 |
| 4 | Insider transaction | Aug 16, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Jul 21, 2021 | Jul 19, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jun 2, 2021 | May 28, 2021 |
| 4 | Insider transaction | Apr 27, 2021 | Apr 26, 2021 |
| 4 | Insider transaction | Apr 21, 2021 | Apr 19, 2021 |
| 4 | Insider transaction | Mar 18, 2021 | Mar 16, 2021 |
| 4 | Insider transaction | Mar 18, 2021 | Mar 16, 2021 |
| 4 | Insider transaction | Mar 18, 2021 | Mar 16, 2021 |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| 4 | Insider transaction | Dec 14, 2020 | Dec 10, 2020 |
| 4 | Insider transaction | Dec 14, 2020 | Dec 10, 2020 |
| 4 | Insider transaction | Dec 14, 2020 | Dec 10, 2020 |
| 4 | Insider transaction | Dec 14, 2020 | Dec 10, 2020 |
| 4 | Insider transaction | Jul 1, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jul 1, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jul 1, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jul 1, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 18, 2020 |
| 4 | Insider transaction | Jun 2, 2020 | Jun 1, 2020 |
| 4 | Insider transaction | Apr 22, 2020 | Apr 20, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 13, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 10, 2020 | Mar 6, 2020 |
| 4 | Insider transaction | Mar 10, 2020 | Mar 10, 2020 |
| 4 | Insider transaction | Mar 9, 2020 | Mar 5, 2020 |
| 4 | Insider transaction | Mar 9, 2020 | Mar 6, 2020 |
| 4 | Insider transaction | Mar 5, 2020 | Mar 3, 2020 |
| 4 | Insider transaction | Mar 5, 2020 | Mar 3, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 4, 2020 |
| 4 | Insider transaction | Mar 3, 2020 | Mar 3, 2020 |
| 4 | Insider transaction | Feb 25, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 21, 2020 | Feb 19, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 14, 2020 |
| 4/A | Form4-ehrman-021020 | Feb 10, 2020 | Dec 2, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Dec 4, 2019 | Dec 2, 2019 |
| 4 | Insider transaction | Dec 4, 2019 | Dec 2, 2019 |
| 4 | Insider transaction | Dec 4, 2019 | Dec 2, 2019 |
| 4 | Insider transaction | Nov 12, 2019 | Nov 8, 2019 |
| 4 | Insider transaction | Oct 29, 2019 | Oct 28, 2019 |
| 4 | Insider transaction | Oct 23, 2019 | Oct 21, 2019 |
| 4 | Insider transaction | Sep 12, 2019 | Sep 10, 2019 |
| 4 | Insider transaction | Aug 19, 2019 | Aug 16, 2019 |
| 4 | Insider transaction | Aug 16, 2019 | Aug 14, 2019 |
| 4 | Insider transaction | Aug 16, 2019 | Aug 15, 2019 |
| 4 | Insider transaction | Aug 14, 2019 | Aug 12, 2019 |
| 4 | Insider transaction | Aug 9, 2019 | Aug 7, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jun 19, 2019 | Jun 17, 2019 |
| 4 | Insider transaction | Jun 13, 2019 | Jun 11, 2019 |
| 4 | Insider transaction | May 13, 2019 | May 10, 2019 |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Dec 4, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Dec 4, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Dec 4, 2018 |
| 4 | Insider transaction | Sep 11, 2018 | Jun 29, 2018 |
| 4 | Insider transaction | Aug 14, 2018 | Aug 13, 2018 |
| 4 | Insider transaction | Jul 3, 2018 | Jun 29, 2018 |
| 4 | Insider transaction | Jul 3, 2018 | Jun 29, 2018 |
| 4 | Insider transaction | Jul 3, 2018 | Jun 29, 2018 |
| 4 | Insider transaction | May 10, 2018 | May 10, 2018 |
| 4 | Insider transaction | Apr 18, 2018 | Apr 17, 2018 |
| 4 | Insider transaction | Mar 19, 2018 | Mar 15, 2018 |
| 4 | Insider transaction | Mar 15, 2018 | Mar 13, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2018 | — |
| 4 | Insider transaction | Jan 29, 2018 | Jan 25, 2018 |
| 4 | Insider transaction | Jan 24, 2018 | Jan 22, 2018 |
| 4 | Insider transaction | Dec 20, 2017 | Dec 19, 2017 |
| 4 | Insider transaction | Dec 6, 2017 | Dec 5, 2017 |
| 3 | Initial insider ownership | Dec 1, 2017 | Nov 29, 2017 |
| 4 | Insider transaction | Nov 28, 2017 | Nov 27, 2017 |
| 4 | Insider transaction | Nov 28, 2017 | Nov 27, 2017 |
| 4 | Insider transaction | Nov 28, 2017 | Nov 27, 2017 |
| 4 | Insider transaction | Nov 17, 2017 | Nov 16, 2017 |
| 4 | Insider transaction | Sep 8, 2017 | Sep 6, 2017 |
| 4 | Insider transaction | Aug 22, 2017 | Aug 21, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Mar 9, 2017 | Mar 9, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2017 | — |
| 4 | Insider transaction | Dec 20, 2016 | Dec 16, 2016 |
| 4 | Insider transaction | Dec 5, 2016 | Dec 1, 2016 |
| 4 | Insider transaction | Dec 5, 2016 | Dec 1, 2016 |
| 4 | Insider transaction | Dec 5, 2016 | Dec 1, 2016 |
| 4 | Insider transaction | Nov 29, 2016 | Nov 29, 2016 |
| 4 | Insider transaction | Nov 21, 2016 | Nov 18, 2016 |
| 4 | Insider transaction | Nov 18, 2016 | Nov 16, 2016 |
| 4 | Insider transaction | Sep 23, 2016 | Sep 21, 2016 |
| 4 | Insider transaction | Sep 21, 2016 | Sep 19, 2016 |
| 4/A | Form 4/a | Sep 21, 2016 | Sep 12, 2016 |
| 4 | Insider transaction | Sep 14, 2016 | Sep 12, 2016 |
| 4 | Insider transaction | Sep 6, 2016 | Aug 31, 2016 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- DMLP (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Dallas, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1172358
- Former names
- DORCHESTER MINERALS LP (until Jun 16, 2011)
Other Crude Petroleum & Natural Gas companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.