Dorchester Minerals LP (DMLP)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Acquisition | 5,197 | $28.30 |
| Jun 1, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 2,500 | $27.64 |
| Jun 1, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 999 | $27.62 |
| Jun 1, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 4,001 | $27.50 |
| May 20, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 1,500 | $28.24 |
| May 20, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 6,000 | $28.32 |
| May 12, 2026 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 4,000 | $26.78 |
| Feb 13, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 5,000 | $25.29 |
| Feb 12, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 5,000 | $25.08 |
| Feb 11, 2026 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 10,000 | $25.29 |
| Dec 22, 2025 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 10,000 | $22.30 |
| Dec 19, 2025 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 5,000 | $22.23 |
| Dec 18, 2025 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 15,729 | $22.28 |
| Dec 17, 2025 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Acquisition | 4,271 | $22.19 |
| Dec 15, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Acquisition | 4,351 | $0 |
| Dec 15, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Disposal | 1,756 | $0 |
| Dec 15, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 4,727 | $0 |
| Dec 15, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Notional Units | Disposal | 4,727 | $0 |
| Dec 15, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Disposal | 1,719 | $0 |
| Dec 15, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Notional Units | Disposal | 4,351 | $0 |
| Dec 15, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Notional Units | Acquisition | 4,351 | $0 |
| Dec 15, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Notional Units | Acquisition | 4,727 | $0 |
| Dec 3, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Disposal | 1,621 | $0 |
| Dec 3, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Notional Units | Disposal | 4,810 | $0 |
| Dec 3, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Notional Units | Disposal | 4,017 | $0 |
| Dec 3, 2025 | BOX, FRANK DAMON | Director | Common Units | Acquisition | 5,000 | $21.97 |
| Dec 3, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 4,810 | $0 |
| Dec 3, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Acquisition | 4,017 | $0 |
| Dec 3, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Disposal | 1,749 | $0 |
| Dec 3, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Notional Units | Acquisition | 4,810 | $0 |
| Dec 3, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Notional Units | Acquisition | 4,017 | $0 |
| Dec 1, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Disposal | 6,543 | $21.63 |
| Dec 1, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Disposal | 6,456 | $21.63 |
| Dec 1, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Notional Units | Acquisition | 16,000 | $0 |
| Dec 1, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Acquisition | 16,000 | $21.63 |
| Dec 1, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Notional Units | Acquisition | 18,000 | $0 |
| Dec 1, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 18,000 | $21.63 |
| Nov 28, 2025 | VAUGHN, ROBERT C | Director | Common Units | Acquisition | 195 | $21.36 |
| Nov 28, 2025 | DORCHESTER, MINERALS OPERATING LP | Entity Under Common Control | Common Units | Disposal | 58,000 | $21.95 |
| Nov 26, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 2,487 | $21.60 |
| Nov 25, 2025 | VAUGHN, ROBERT C | Director | Common Units | Acquisition | 352 | $21.39 |
| Nov 25, 2025 | MORIYAMA, LESLIE A | Chief Financial Officer | Common Units | Acquisition | 3,041 | $21.50 |
| Nov 25, 2025 | VAUGHN, ROBERT C | Director | Common Units | Acquisition | 4,263 | $21.41 |
| Nov 25, 2025 | EHRMAN, BRADLEY J | Chief Executive Officer | Common Units | Acquisition | 1,000 | $21.26 |