DMLP DORCHESTER MINERALS, L.P.
Nasdaq · SEC CIK 1172358 · EDGAR
- Bought, last 12 months
- $2.31M 12 purchases by 5 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 84 since 2021-07-02, latest 2026-08-19 16:14
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | $1.70M | — |
| MORIYAMA LESLIE A | CFO | $212.5K | — |
| EHRMAN BRADLEY J | CEO | $182.1K | — |
| Box Frank Damon | Dir | $109.8K | — |
| VAUGHN ROBERT C | Dir | $103.0K | — |
Transactions 98
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-19 16:14 | 2026-08-19 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $28.30 | +5,197 | 103.4K | +5% | +$147.1K | |
| MT | 2026-06-02 17:04 | 2026-06-01 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $27.56 | +7,500 | 70.0K | +12% | +$206.7K |
| MT | 2026-05-22 16:10 | 2026-05-20 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.30 | +7,500 | 62.5K | +14% | +$212.3K |
| I | 2026-05-12 14:51 | 2026-05-12 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $26.78 | +4,000 | 142.7K | +3% | +$107.1K |
| M | 2026-02-13 | 2026-02-11+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $25.24 | +20.0K | 45.0K | +80% | +$504.8K |
| M | 2025-12-23 | 2025-12-19+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $22.28 | +15.0K | 25.0K | +150% | +$334.1K |
| M | 2025-12-19 | 2025-12-17+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $22.26 | +20.0K | 4,288 | New | +$445.2K |
| D | 2025-12-17 | 2025-12-15 | DMLP | MORIYAMA LESLIE A | CFO | M - OptEx | $0.00 | +4,351 | 100.0K | +5% | $0 |
| D | 2025-12-17 | 2025-12-15 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $0.00 | -1,756 | 98.2K | -2% | $0 |
| D | 2025-12-17 | 2025-12-15 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $0.00 | -1,719 | 32.7K | -5% | $0 |
| D | 2025-12-17 | 2025-12-15 | DMLP | EHRMAN BRADLEY J | CEO | M - OptEx | $0.00 | +4,727 | 34.4K | +16% | $0 |
| D | 2025-12-05 | 2025-12-03 | DMLP | EHRMAN BRADLEY J | CEO | M - OptEx | $0.00 | +4,810 | 31.5K | +18% | $0 |
| D | 2025-12-05 | 2025-12-03 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $0.00 | -1,749 | 29.7K | -6% | $0 |
| D | 2025-12-05 | 2025-12-03 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $0.00 | -1,621 | 95.6K | -2% | $0 |
| D | 2025-12-05 | 2025-12-03 | DMLP | MORIYAMA LESLIE A | CFO | M - OptEx | $0.00 | +4,017 | 97.2K | +4% | $0 |
| D | 2025-12-03 | 2025-12-01 | DMLP | EHRMAN BRADLEY J | CEO | A - Grant | $21.63 | +18.0K | 33.2K | +118% | +$389.3K |
| D | 2025-12-03 | 2025-12-01 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $21.63 | -6,543 | 26.6K | -20% | -$141.5K |
| D | 2025-12-03 | 2025-12-01 | DMLP | MORIYAMA LESLIE A | CFO | A - Grant | $21.63 | +16.0K | 99.7K | +19% | +$346.1K |
| D | 2025-12-03 | 2025-12-01 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $21.63 | -6,456 | 93.2K | -6% | -$139.6K |
| 2025-12-03 | 2025-12-03 | DMLP | Box Frank Damon | Dir | P - Purchase | $21.97 | +5,000 | 9,000 | +125% | +$109.8K | |
| 2025-12-02 | 2025-11-28 | DMLP | VAUGHN ROBERT C | Dir | P - Purchase | $21.36 | +195 | 20.5K | +1.0% | +$4,165 | |
| 2025-12-02 | 2025-11-28 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $21.95 | -58.0K | 17 | -100% | -$1.27M | |
| M | 2025-11-28 | 2025-11-25 | DMLP | VAUGHN ROBERT C | Dir | P - Purchase | $21.41 | +4,615 | 20.4K | +29% | +$98.8K |
| 2025-11-28 | 2025-11-25 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $21.50 | +3,041 | 83.7K | +4% | +$65.4K | |
| MI | 2025-11-26 | 2025-11-25+ | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $21.50 | +3,487 | 121.2K | +3% | +$75.0K |
| 2025-09-08 | 2025-09-05 | DMLP | Box Frank Damon | Dir | P - Purchase | $25.57 | +4,000 | 4,000 | New | +$102.3K | |
| 2025-05-01 | 2025-04-30 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.76 | +10.0K | 58.0K | +21% | +$287.6K | |
| I | 2025-03-04 | 2025-03-03 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $29.80 | +3,356 | 117.7K | +3% | +$100.0K |
| 2025-02-07 | 2025-02-06 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.06 | +335 | 48.0K | +0.7% | +$10.4K | |
| M | 2025-02-04 | 2025-01-31+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.32 | +14.0K | 41.2K | +52% | +$438.5K |
| M | 2024-12-30 | 2024-12-30 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $33.19 | +954 | 33.7K | +3% | +$31.7K |
| M | 2024-12-26 | 2024-12-23+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $32.46 | +10.5K | 32.7K | +47% | +$340.8K |
| D | 2024-12-17 | 2024-12-13 | DMLP | MORIYAMA LESLIE A | CFO | M - OptEx | $0.00 | +4,351 | 82.3K | +6% | $0 |
| D | 2024-12-17 | 2024-12-13 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $0.00 | -1,626 | 80.6K | -2% | $0 |
| D | 2024-12-17 | 2024-12-03 | DMLP | EHRMAN BRADLEY J | CEO | M - OptEx | $0.00 | +4,727 | 28.7K | +20% | $0 |
| D | 2024-12-17 | 2024-12-13 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $0.00 | -1,861 | 26.8K | -6% | $0 |
| DA | 2024-12-17 | 2024-12-03 | DMLP | EHRMAN BRADLEY J | CEO | A - Grant | $0.00 | +14.4K | 29.6K | +95% | $0 |
| DA | 2024-12-17 | 2024-12-03 | DMLP | MORIYAMA LESLIE A | CFO | A - Grant | $0.00 | +12.1K | 83.5K | +17% | $0 |
| M | 2024-12-12 | 2024-12-11+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $32.97 | +22.0K | 22.2K | +9,649% | +$725.3K |
| 2024-12-05 | 2024-12-03 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $34.41 | -66.1K | 228 | -100% | -$2.28M | |
| 2024-12-05 | 2024-12-03 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $34.41 | -5,679 | 23.9K | -19% | -$195.4K | |
| 2024-12-05 | 2024-12-03 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $34.41 | +14.4K | 29.6K | +95% | +$496.5K | |
| 2024-12-05 | 2024-12-03 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $34.41 | -5,543 | 77.9K | -7% | -$190.7K | |
| 2024-12-05 | 2024-12-03 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $34.41 | +12.1K | 83.5K | +17% | +$414.6K | |
| 2024-11-15 | 2024-11-14 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $32.60 | +3,218 | 71.4K | +5% | +$104.9K | |
| M | 2024-07-23 | 2024-07-19 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $32.23 | +2,900 | 66.4K | +5% | +$93.5K |
| M | 2024-07-18 | 2024-07-16+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $32.39 | +4,878 | 61.6K | +9% | +$158.0K |
| I | 2024-06-18 | 2024-06-17 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $29.50 | +2,800 | 102.7K | +3% | +$82.6K |
| M | 2024-05-23 | 2024-05-21+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.69 | +10.0K | 57.7K | +21% | +$316.9K |
| M | 2024-05-20 | 2024-05-17 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $31.74 | +2,430 | 67.2K | +4% | +$77.1K |
| 2024-04-11 | 2024-04-05 | DMLP | MCMANEMIN WILLIAM CASEY | COB, Dir | G - Gift | $0.00 | -25.0K | 706.5K | -3% | $0 | |
| M | 2024-02-05 | 2024-02-02 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $30.90 | +1,275 | 47.4K | +3% | +$39.4K |
| M | 2024-02-01 | 2024-01-30 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.66 | +5,000 | 47.3K | +12% | +$158.3K |
| M | 2024-01-29 | 2024-01-25 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $33.47 | +7,500 | 38.8K | +24% | +$251.0K |
| M | 2023-12-27 | 2023-12-26 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.90 | +4,920 | 33.7K | +17% | +$157.0K |
| M | 2023-12-22 | 2023-12-21+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.86 | +8,506 | 27.3K | +45% | +$271.0K |
| M | 2023-12-21 | 2023-12-19+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $31.43 | +21.3K | 12.4K | New | +$669.6K |
| 2023-12-18 | 2023-12-15 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $31.03 | -3,453 | 25.9K | -12% | -$107.1K | |
| 2023-12-18 | 2023-12-15 | DMLP | EHRMAN BRADLEY J | CEO | A - Grant | $31.03 | +14.2K | 29.4K | +93% | +$440.0K | |
| 2023-12-18 | 2023-12-15 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $31.03 | -39.9K | 67 | -100% | -$1.24M | |
| 2023-12-18 | 2023-12-15 | DMLP | MORIYAMA LESLIE A | CFO | A - Grant | $31.03 | +13.1K | 70.2K | +23% | +$405.0K | |
| 2023-12-18 | 2023-12-15 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $31.03 | -4,416 | 65.8K | -6% | -$137.0K | |
| 2023-11-13 | 2023-11-10 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $28.12 | +8,013 | 57.1K | +16% | +$225.3K | |
| I | 2023-11-13 | 2023-11-10 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $28.03 | +4,453 | 89.2K | +5% | +$124.8K |
| M | 2023-06-15 | 2023-06-14 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $29.10 | +5,000 | 40.0K | +14% | +$145.5K |
| M | 2023-06-01 | 2023-05-30+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.53 | +10.0K | 25.5K | +65% | +$285.3K |
| M | 2023-03-23 | 2023-03-22 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.12 | +4,000 | 21.5K | +23% | +$112.5K |
| M | 2023-03-06 | 2023-03-02+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $30.97 | +11.0K | 16.0K | +221% | +$340.7K |
| 2022-12-19 | 2022-12-15 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $28.14 | -34.0K | 9,967 | -77% | -$956.8K | |
| 2022-12-19 | 2022-12-15 | DMLP | EHRMAN BRADLEY J | CEO | F - Tax | $28.14 | -5,026 | 24.4K | -17% | -$141.4K | |
| 2022-12-19 | 2022-12-15 | DMLP | EHRMAN BRADLEY J | CEO | A - Grant | $28.14 | +14.2K | 29.4K | +94% | +$400.0K | |
| 2022-12-19 | 2022-12-15 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $28.14 | -4,024 | 49.1K | -8% | -$113.2K | |
| 2022-12-19 | 2022-12-15 | DMLP | MORIYAMA LESLIE A | CFO | A - Grant | $28.14 | +12.4K | 53.1K | +31% | +$350.0K | |
| M | 2022-12-13 | 2022-12-09+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.05 | +15.0K | 42.6K | +54% | +$420.7K |
| M | 2022-12-08 | 2022-12-06 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $28.59 | +20.0K | 23.0K | +674% | +$571.7K |
| 2022-11-17 | 2022-11-16 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $28.75 | +1,732 | 40.7K | +4% | +$49.8K | |
| I | 2022-11-14 | 2022-11-10 | DMLP | EHRMAN BRADLEY J | CEO | P - Purchase | $28.73 | +1,760 | 75.6K | +2% | +$50.6K |
| 2022-06-15 | 2022-06-14 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $29.70 | +1,149 | 39.0K | +3% | +$34.1K | |
| I | 2022-03-10 | 2022-03-09 | DMLP | EHRMAN BRADLEY J | COO | P - Purchase | $23.03 | +1,309 | 73.8K | +2% | +$30.1K |
| M | 2022-03-10 | 2022-03-08+ | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $24.37 | +2,496 | 37.3K | +7% | +$60.8K |
| I | 2021-12-20 | 2021-12-20 | DMLP | EHRMAN BRADLEY J | COO | P - Purchase | $18.91 | +850 | 67.6K | +1% | +$16.1K |
| 2021-12-07 | 2021-12-03 | DMLP | MORIYAMA LESLIE A | CFO | F - Tax | $17.69 | -1,498 | 35.3K | -4% | -$26.5K | |
| 2021-12-07 | 2021-12-03 | DMLP | MORIYAMA LESLIE A | CFO | A - Grant | $17.69 | +5,500 | 36.8K | +18% | +$97.3K | |
| 2021-12-07 | 2021-12-03 | DMLP | RUSSELL CHARLES WILLIAM | Dir | A - Grant | $17.69 | +989 | 14.8K | +7% | +$17.5K | |
| 2021-12-07 | 2021-12-03 | DMLP | EHRMAN BRADLEY J | COO | A - Grant | $17.69 | +6,500 | 21.7K | +43% | +$115.0K | |
| 2021-12-07 | 2021-12-03 | DMLP | EHRMAN BRADLEY J | COO | F - Tax | $17.69 | -1,583 | 20.1K | -7% | -$28.0K | |
| 2021-12-07 | 2021-12-03 | DMLP | LASSITER ALLEN D | Dir | A - Grant | $17.69 | +989 | 18.8K | +6% | +$17.5K | |
| 2021-12-07 | 2021-12-03 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $17.69 | -28.9K | 8,967 | -76% | -$512.1K | |
| 2021-12-07 | 2021-12-03 | DMLP | TROUT RONALD PAUL | Dir | A - Grant | $17.69 | +989 | 19.7K | +5% | +$17.5K | |
| M | 2021-11-08 | 2021-11-04+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $19.17 | +6,375 | 34.5K | +23% | +$122.2K |
| M | 2021-11-03 | 2021-11-02 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $19.28 | +4,000 | 29.5K | +16% | +$77.1K |
| 2021-08-20 | 2021-08-19 | DMLP | MORIYAMA LESLIE A | CFO | P - Purchase | $15.55 | +2,133 | 31.3K | +7% | +$33.2K | |
| M | 2021-08-16 | 2021-08-13 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $16.30 | +3,450 | 27.5K | +14% | +$56.2K |
| M | 2021-07-21 | 2021-07-19+ | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | P - Purchase | $15.88 | +9,000 | 20.1K | +81% | +$142.9K |
| 2021-07-02 | 2021-06-30 | DMLP | DORCHESTER MINERALS OPERATING LP | Entity Under Common Control | J - Other | $16.85 | -3,114 | 15.1K | -17% | -$52.5K | |
| 2021-07-02 | 2021-06-30 | DMLP | LASSITER ALLEN D | Dir | A - Grant | $16.85 | +1,038 | 17.8K | +6% | +$17.5K | |
| 2021-07-02 | 2021-06-30 | DMLP | RUSSELL CHARLES WILLIAM | Dir | A - Grant | $16.85 | +1,038 | 13.8K | +8% | +$17.5K | |
| 2021-07-02 | 2021-06-30 | DMLP | TROUT RONALD PAUL | Dir | A - Grant | $16.85 | +1,038 | 18.7K | +6% | +$17.5K |
Purchase Sale Sale after option exercise All abbreviations