Dorchester Minerals, L.P. (DMLP)Insider bought ~$253K

~$253K

Approx. value · 10K sh @ $25.29

45K

Holds after · shares reported

Traded

Feb 11, 2026

Filed

Feb 13, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Dec 17, 2025InsiderInsider purchased ~$95K of DMLP shares in the open market
2. Dec 18, 2025Insider · Their largest buy since 2015Insider purchased ~$350K of DMLP shares in the open market
3. Dec 19, 2025InsiderInsider purchased ~$111K of DMLP shares in the open market
4. Dec 22, 2025InsiderInsider purchased ~$223K of DMLP shares in the open market
5. Jan 22, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
6. Feb 11, 2026 · this disclosureInsider · 13 days before resultsInsider purchased ~$253K of DMLP shares in the open market

What came next

1. Feb 11, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On February 11, 2026, the Partnership was notified by SAM Partners, Ltd. and Smith Allen Oil & Gas, LLP, members of DMMGP, that, pursuant to the terms of that certain Second Amended and Restated Limited Liability Company Agreement of DMMGP, dated October 15, 2024 (as it may be amended), the resulting vacancy on the Board has been filled by the appointment of A. Troy Sturrock, age 55, as an independent manager,…”
2. Feb 12, 2026Insider · 12 days before resultsInsider purchased ~$125K of DMLP shares in the open market
3. Feb 13, 2026Insider · 11 days before resultsInsider purchased ~$126K of DMLP shares in the open market
4. Feb 24, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
5. Mar 13, 2026CongressDisclosed purchase of DMLP — reported range $15,001 - $50,000
6. Apr 23, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
7. May 6, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
8. May 12, 2026InsiderCEO purchased ~$107K of DMLP shares in the open market
9. May 20, 2026Insider · 1 personInsiders: 2 purchases (~$212K)
10. Jun 1, 2026Insider · 1 personInsiders: 3 purchases (~$207K)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Dorchester Minerals, L.P.

For Dorchester Minerals, L.P., OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its DMLP page.

Other recent filings by DORCHESTER MINERALS OPERATING LP, Reporting person

• SEC Form 4 at Dorchester Minerals, L.P. (DMLP)Jun 2, 2026
• SEC Form 4 at Dorchester Minerals, L.P. (DMLP)Jun 2, 2026
• SEC Form 4 at Dorchester Minerals, L.P. (DMLP)Jun 2, 2026
• SEC Form 4 at Dorchester Minerals, L.P. (DMLP)May 22, 2026
• SEC Form 4 at Dorchester Minerals, L.P. (DMLP)May 22, 2026

The full history of DORCHESTER MINERALS OPERATING LP, Reporting person is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Dorchester Minerals, L.P.

• SEC Form 4Aug 19, 2026
• SEC Form 4Jun 2, 2026
• SEC Form 4Jun 2, 2026
• SEC Form 4Jun 2, 2026
• SEC Form 4May 22, 2026
• SEC Form 4May 22, 2026

Everything OQRO holds on this company is on its DMLP page.