DMLP Insider Transactions
1,032 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
DMLP insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2026-08-19 | Purchase | 5,197 | $28.30 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-06-01 | Purchase | 4,001.0 | $27.5 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-06-01 | Purchase | 999.0 | $27.62 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-06-01 | Purchase | 2,500.0 | $27.64 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-05-20 | Purchase | 6,000.0 | $28.32 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-05-20 | Purchase | 1,500.0 | $28.24 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2026-05-12 | Purchase | 4,000.0 | $26.78 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-02-13 | Purchase | 5,000.0 | $25.29 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-02-12 | Purchase | 5,000.0 | $25.08 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2026-02-11 | Purchase | 10,000.0 | $25.29 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-12-22 | Purchase | 10,000.0 | $22.3 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-12-19 | Purchase | 5,000.0 | $22.23 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-12-18 | Purchase | 15,729.0 | $22.28 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-12-17 | Purchase | 4,271.0 | $22.19 |
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| Box Frank Damon | Director | 2025-12-03 | Purchase | 5,000.0 | $21.97 |
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| VAUGHN ROBERT C | Director | 2025-11-28 | Purchase | 195.0 | $21.36 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2025-11-26 | Purchase | 2,487.0 | $21.6 |
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| VAUGHN ROBERT C | Director | 2025-11-25 | Purchase | 352.0 | $21.39 |
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| VAUGHN ROBERT C | Director | 2025-11-25 | Purchase | 4,263.0 | $21.41 |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2025-11-25 | Purchase | 3,041.0 | $21.5 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2025-11-25 | Purchase | 1,000.0 | $21.26 |
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| Box Frank Damon | Director | 2025-09-05 | Purchase | 4,000.0 | $25.57 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-04-30 | Purchase | 10,000.0 | $28.76 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2025-03-03 | Purchase | 3,356.0 | $29.8 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-02-06 | Purchase | 335.0 | $31.06 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-02-04 | Purchase | 6,500.0 | $30.9 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2025-01-31 | Purchase | 7,500.0 | $31.69 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-30 | Purchase | 4.0 | $33.06 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-30 | Purchase | 940.0 | $33.19 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-30 | Purchase | 10.0 | $33.15 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-26 | Purchase | 4,000.0 | $32.86 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-23 | Purchase | 1,000.0 | $32.27 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-23 | Purchase | 3,000.0 | $32.2 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-23 | Purchase | 2,500.0 | $32.21 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-12 | Purchase | 1,000.0 | $32.84 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-12 | Purchase | 1,000.0 | $32.84 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-12 | Purchase | 3,005.0 | $32.85 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 1,000.0 | $33.01 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 1,000.0 | $32.99 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 1,000.0 | $32.96 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 1,000.0 | $33.02 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 2,000.0 | $33.05 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 4,000.0 | $33.03 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 3,995.0 | $32.97 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-12-11 | Purchase | 3,000.0 | $33.0 |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2024-12-03 | Purchase | 12,050.0 | $34.41 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2024-12-03 | Purchase | 14,430.0 | $34.41 |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2024-11-14 | Purchase | 3,218.0 | $32.6 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-19 | Purchase | 900.0 | $32.2 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-19 | Purchase | 1,000.0 | $32.31 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-19 | Purchase | 1,000.0 | $32.17 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-17 | Purchase | 1,878.0 | $32.5 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-16 | Purchase | 1,000.0 | $32.31 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-07-16 | Purchase | 2,000.0 | $32.33 |
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| EHRMAN BRADLEY J | Chief Executive Officer | 2024-06-17 | Purchase | 2,800.0 | $29.5 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-22 | Purchase | 900.0 | $31.22 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-22 | Purchase | 1,000.0 | $31.46 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-22 | Purchase | 1,000.0 | $31.4 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-22 | Purchase | 100.0 | $31.47 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-22 | Purchase | 1,000.0 | $31.48 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-21 | Purchase | 1,000.0 | $31.91 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-21 | Purchase | 1,000.0 | $31.93 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-21 | Purchase | 1,000.0 | $31.98 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-21 | Purchase | 1,000.0 | $31.99 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-05-21 | Purchase | 2,000.0 | $31.73 |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2024-05-17 | Purchase | 1,000.0 | $31.65 |
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| MORIYAMA LESLIE A | Chief Financial Officer | 2024-05-17 | Purchase | 1,430.0 | $31.81 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-02-02 | Purchase | 1,179.0 | $30.9 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-02-02 | Purchase | 96.0 | $30.95 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-30 | Purchase | 1,000.0 | $31.74 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-30 | Purchase | 1,000.0 | $31.73 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-30 | Purchase | 1,000.0 | $31.69 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-30 | Purchase | 2,000.0 | $31.58 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 500.0 | $33.46 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.5 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.47 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.48 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.5 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.45 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.46 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2024-01-25 | Purchase | 1,000.0 | $33.4 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 13.0 | $31.75 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 57.0 | $31.78 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 1,000.0 | $31.78 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 10.0 | $31.78 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 61.0 | $31.88 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 850.0 | $31.93 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 1,990.0 | $31.94 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-26 | Purchase | 939.0 | $31.94 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 500.0 | $31.85 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 1,000.0 | $31.84 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 1,083.0 | $31.85 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 1,500.0 | $31.86 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 1,000.0 | $31.88 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-22 | Purchase | 917.0 | $31.89 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-21 | Purchase | 1,500.0 | $31.85 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-21 | Purchase | 1,000.0 | $31.85 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-21 | Purchase | 5.0 | $31.75 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-21 | Purchase | 1.0 | $31.61 |
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| DORCHESTER MINERALS OPERATING LP | Other | 2023-12-20 | Purchase | 1,000.0 | $31.45 |
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