DORCHESTER MINERALS, L.P. (DMLP) Insider Trading & SEC Filings
Last SEC filing
DORCHESTER MINERALS, L.P. (DMLP) has filed 3 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-02. Insiders disclosed 6 open-market purchases totaling $526K. 6 Form 8-K material event filings were reported by DMLP in the last 90 days. InsiderAlpha tracks every DMLP SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About DORCHESTER MINERALS, L.P. (DMLP)
DORCHESTER MINERALS, L.P. trades under the ticker DMLP. InsiderAlpha tracks 25 primary SEC Form 4 filings from 5 reporting insiders for DMLP since 2024, sourced directly from SEC EDGAR.
| Sector | Energy insider trading |
|---|---|
| SIC classification | Crude Petroleum & Natural Gas (SIC 1311) |
| SEC CIK | 0001172358 |
90-Day SEC Filing Activity
| Insider purchases (90d) | 6 ($526K) |
|---|---|
| Form 4 filings (90d) | 3 |
| Form 8-K filings (90d) | 6 |
| Latest Form 4 filing | 2026-06-02 |
Recent DMLP Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 999 | $27.62 | $28K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 2.5K | $27.64 | $69K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 4.0K | $27.50 | $110K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 1.5K | $28.24 | $42K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 6.0K | $28.32 | $170K | SEC | |
| Bradley J. Ehrman | Chief Executive Officer | P - Open-market purchase | 4.0K | $26.78 | $107K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 5.0K | $25.29 | $126K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 5.0K | $25.08 | $125K | SEC | |
| DORCHESTER MINERALS OPERATING LP | Insider | P - Open-market purchase [10b5-1] | 10.0K | $25.29 | $253K | SEC | |
| Bradley J. Ehrman | Chief Executive Officer | F - Tax withholding / forfeiture | 1.7K | $0.00 | - | SEC | |
| Leslie A. Moriyama | Chief Financial Officer | F - Tax withholding / forfeiture | 1.6K | $0.00 | - | SEC | |
| Bradley J. Ehrman | Chief Executive Officer | M - Option exercise | 4.8K | $0.00 | - | SEC | |
| Leslie A. Moriyama | Chief Financial Officer | M - Option exercise | 4.0K | $0.00 | - | SEC | |
| Frank Damon Box | Director | P - Open-market purchase | 5.0K | $21.96 | $110K | SEC | |
| Bradley J. Ehrman | Chief Executive Officer | A - Grant or award | 18.0K | $21.63 | $389K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for DORCHESTER MINERALS, L.P. (DMLP). Updated in real time as new filings are submitted to the SEC.
Most-Active DMLP Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DORCHESTER MINERALS OPERATING LP | 5 | $419K |
| Bradley J. Ehrman | 1 | $107K |
Recent DMLP Form 8-K Material Events
- - Item 7.01, 8.01, 9.01 [SEC]
- - Item 2.02, 7.01, 9.01 [SEC]
- - Item 7.01, 8.01, 9.01 [SEC]
- - Item 5.07 [SEC]
- - Item 7.01, 9.01 [SEC]
Recent Insider Filings
- - DORCHESTER MINERALS OPERATING LP (Insider)
- - DORCHESTER MINERALS OPERATING LP (Insider)
- - Bradley J. Ehrman (Chief Executive Officer)
- - DORCHESTER MINERALS OPERATING LP (Insider)
- - Bradley J. Ehrman (Chief Executive Officer)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in DMLP insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
DMLP Insider Trading - FAQ
- What is the latest insider trade for DMLP?
- DORCHESTER MINERALS, L.P. (DMLP) had 3 insider filings in the last 90 days, with the most recent on 2026-06-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying DMLP stock?
- 6 insider purchases of DMLP were filed in the last 90 days, totaling $526K.
- How many insiders are selling DMLP stock?
- 0 insider sales of DMLP were filed in the last 90 days.
- Where can I see DMLP SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks DMLP Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live DMLP dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.