DORCHESTER MINERALS, L.P. (DMLP)

Latest Insider Confidence Score

2026Q1

57.7
Bullish

Company insider confidence (by quarter)

2004Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Rochelle Martha Director 860,376 Jul 17, 2013
Ehrman Bradley J CEO 22,310 May 21, 2015
Nance Albert G III — 15,419 Jan 9, 2026
Trout Ronald Paul Director 13,555 Feb 27, 2008
Carver Lesley — 10,313 Jan 19, 2024

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 18, 2026 Sturrock Troy Director Neutral 52.5 - 0.00% ✗ -
Feb 11, 2026 Feb 13, 2026 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +20,000 57.12% ✓ $504.8K
Jan 9, 2026 Nance Albert G III Director Neutral 52.5 - 0.00% ✗ -
Dec 19, 2025 Dec 23, 2025 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +15,000 74.94% ✓ $334.1K
Dec 17, 2025 Dec 19, 2025 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +20,000 117647.06% ✓ $445.2K
Dec 15, 2025 Dec 17, 2025 MORIYAMA LESLIE A CFO Neutral 47.5 -1,756 -1.76% ✗ -
Dec 15, 2025 Dec 17, 2025 EHRMAN BRADLEY J CEO Neutral 47.5 -1,719 -1.10% ✗ -
Dec 3, 2025 Dec 5, 2025 MORIYAMA LESLIE A CFO Neutral 47.5 -1,621 -1.67% ✗ -
Dec 3, 2025 Dec 5, 2025 EHRMAN BRADLEY J CEO Neutral 47.5 -1,749 -1.15% ✗ -
Dec 3, 2025 Dec 3, 2025 Box Frank Damon Director Buy 95.0 +5,000 125.00% ✗ $109.8K
Dec 1, 2025 Dec 3, 2025 MORIYAMA LESLIE A CFO Sell 95.0 +9,544 11.41% ✗ $139.6K
Dec 1, 2025 Dec 3, 2025 EHRMAN BRADLEY J CEO Sell 90.0 +11,457 8.40% ✗ $141.5K
Nov 28, 2025 Dec 2, 2025 VAUGHN ROBERT C Director Buy 47.5 +195 0.04% ✗ $4.2K
Nov 28, 2025 Dec 2, 2025 DORCHESTER MINERALS OPERATING LP Other Sell 17.5 -58,000 -99.97% ✗ $1.3M
Nov 25, 2025 Nov 28, 2025 VAUGHN ROBERT C Director Buy 72.5 +4,615 0.86% ✗ $98.8K
Nov 25, 2025 Nov 28, 2025 MORIYAMA LESLIE A CFO Buy 87.5 +3,041 3.77% ✗ $65.4K
Nov 25, 2025 Nov 26, 2025 EHRMAN BRADLEY J CEO Buy 87.5 +3,487 2.62% ✗ $75K
Sep 5, 2025 Sep 8, 2025 Box Frank Damon Director Buy 95.0 +4,000 100.00% ✗ $102.3K
May 29, 2025 Wariner Sarah N Director Neutral 52.5 - 0.00% ✗ -
Apr 30, 2025 May 1, 2025 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +10,000 20.83% ✓ $287.6K
Mar 3, 2025 Mar 4, 2025 EHRMAN BRADLEY J CEO Buy 87.5 +3,356 2.59% ✗ $100K
Feb 6, 2025 Feb 7, 2025 DORCHESTER MINERALS OPERATING LP Other Buy 68.8 +335 0.70% ✓ $10.4K
Jan 31, 2025 Feb 4, 2025 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +14,000 41.57% ✓ $438.5K
Dec 30, 2024 Dec 30, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 83.8 +954 2.91% ✓ $31.7K
Dec 23, 2024 Dec 26, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +10,500 47.24% ✓ $340.8K
Dec 3, 2024 Dec 17, 2024 MORIYAMA LESLIE A CFO Neutral 90.0 +12,050 16.88% ✗ -
Dec 3, 2024 Dec 17, 2024 EHRMAN BRADLEY J CEO Neutral 90.0 +14,430 94.98% ✗ -
Dec 13, 2024 Dec 17, 2024 MORIYAMA LESLIE A CFO Neutral 47.5 -1,626 -1.98% ✗ -
Dec 3, 2024 Dec 17, 2024 EHRMAN BRADLEY J CEO Neutral 47.5 -1,861 -1.42% ✗ -
Dec 11, 2024 Dec 12, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +22,000 9649.12% ✓ $725.3K
Dec 3, 2024 Dec 5, 2024 MORIYAMA LESLIE A CFO Buy 90.0 +6,507 9.11% ✗ $223.9K
Dec 3, 2024 Dec 5, 2024 EHRMAN BRADLEY J CEO Buy 92.5 +8,751 7.42% ✗ $301.1K
Dec 3, 2024 Dec 5, 2024 DORCHESTER MINERALS OPERATING LP Other Sell 17.5 -66,124 -99.66% ✗ $2.3M
Nov 14, 2024 Nov 15, 2024 MORIYAMA LESLIE A CFO Buy 87.5 +3,218 4.72% ✗ $104.9K
Oct 23, 2024 Box Frank Damon Director Neutral 52.5 - 0.00% ✗ -
Jul 19, 2024 Jul 23, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 87.5 +2,900 4.57% ✓ $93.5K
Jul 16, 2024 Jul 18, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 90.0 +4,878 8.33% ✓ $158K
Jun 17, 2024 Jun 18, 2024 EHRMAN BRADLEY J CEO Buy 82.5 +2,800 2.43% ✗ $82.6K
May 21, 2024 May 23, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +10,000 20.59% ✓ $316.9K
May 17, 2024 May 20, 2024 MORIYAMA LESLIE A CFO Buy 87.5 +2,430 3.70% ✗ $77.1K
Apr 5, 2024 Apr 11, 2024 MCMANEMIN WILLIAM CASEY Chair Neutral 27.5 -25,000 -1.99% ✗ -
Dec 15, 2023 Feb 21, 2024 MORIYAMA LESLIE A CFO Neutral 52.5 - 0.00% ✗ -
Dec 15, 2023 Feb 21, 2024 EHRMAN BRADLEY J CEO Neutral 52.5 - 0.00% ✗ -
Feb 2, 2024 Feb 5, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 83.8 +1,275 2.70% ✓ $39.4K
Jan 30, 2024 Feb 1, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +5,000 11.82% ✓ $158.3K
Jan 25, 2024 Jan 29, 2024 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +7,500 21.55% ✓ $251K
Jan 19, 2024 Carver Lesley Director Neutral 52.5 - 0.00% ✗ -
Dec 26, 2023 Dec 27, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +4,920 16.47% ✓ $157K
Dec 21, 2023 Dec 22, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +8,506 39.80% ✓ $271K
Dec 19, 2023 Dec 21, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +21,306 31800.00% ✓ $669.6K
Dec 15, 2023 Dec 18, 2023 MORIYAMA LESLIE A CFO Sell 95.0 +8,636 15.12% ✗ $137K
Dec 15, 2023 Dec 18, 2023 EHRMAN BRADLEY J CEO Sell 95.0 +10,727 10.27% ✗ $107.1K
Dec 15, 2023 Dec 18, 2023 DORCHESTER MINERALS OPERATING LP Other Sell 17.5 -39,900 -99.83% ✗ $1.2M
Nov 10, 2023 Nov 13, 2023 MORIYAMA LESLIE A CFO Buy 95.0 +8,013 16.32% ✗ $225.3K
Nov 10, 2023 Nov 13, 2023 EHRMAN BRADLEY J CEO Buy 87.5 +4,453 4.46% ✗ $124.8K
Jun 14, 2023 Jun 15, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +5,000 14.30% ✓ $145.5K
May 30, 2023 Jun 1, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +10,000 40.05% ✓ $285.3K
Mar 22, 2023 Mar 23, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +4,000 19.08% ✓ $112.5K
Mar 2, 2023 Mar 6, 2023 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +11,000 110.36% ✓ $340.7K
Dec 15, 2022 Dec 19, 2022 MORIYAMA LESLIE A CFO Sell 95.0 +8,414 20.68% ✗ $113.2K
Dec 15, 2022 Dec 19, 2022 EHRMAN BRADLEY J CEO Sell 95.0 +9,189 10.12% ✗ $141.4K
Dec 15, 2022 Dec 19, 2022 DORCHESTER MINERALS OPERATING LP Other Sell 20.0 -34,000 -77.33% ✗ $956.8K
Dec 9, 2022 Dec 13, 2022 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +15,000 51.78% ✓ $420.7K
Dec 6, 2022 Dec 8, 2022 DORCHESTER MINERALS OPERATING LP Other Buy 97.5 +20,000 223.04% ✓ $571.7K
Nov 16, 2022 Nov 17, 2022 MORIYAMA LESLIE A CFO Buy 83.8 +1,732 4.45% ✗ $49.8K
Nov 10, 2022 Nov 14, 2022 EHRMAN BRADLEY J CEO Buy 82.5 +1,760 1.98% ✗ $50.6K
Jun 14, 2022 Jun 15, 2022 MORIYAMA LESLIE A CFO Buy 83.8 +1,149 3.04% ✗ $34.1K
Mar 9, 2022 Mar 10, 2022 EHRMAN BRADLEY J COO Buy 78.8 +1,309 1.49% ✗ $30.1K
Mar 8, 2022 Mar 10, 2022 MORIYAMA LESLIE A CFO Buy 90.0 +2,496 7.07% ✗ $60.8K
Dec 20, 2021 Dec 20, 2021 EHRMAN BRADLEY J COO Buy 68.8 +850 0.98% ✗ $16.1K
Dec 3, 2021 Dec 7, 2021 TROUT RONALD PAUL Director Neutral 82.5 +989 4.64% ✗ -
Dec 3, 2021 Dec 7, 2021 RUSSELL CHARLES WILLIAM Director Neutral 85.0 +989 7.18% ✗ -
Dec 3, 2021 Dec 7, 2021 LASSITER ALLEN D Director Neutral 85.0 +989 5.56% ✗ -
Dec 3, 2021 Dec 7, 2021 MORIYAMA LESLIE A CFO Sell 91.3 +4,002 12.78% ✗ $26.5K
Dec 3, 2021 Dec 7, 2021 EHRMAN BRADLEY J COO Sell 86.3 +4,917 6.00% ✗ $28K
Dec 3, 2021 Dec 7, 2021 DORCHESTER MINERALS OPERATING LP Other Sell 20.0 -28,950 -76.35% ✗ $512.1K
Nov 4, 2021 Nov 8, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +6,375 20.21% ✓ $122.2K
Nov 2, 2021 Nov 3, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +4,000 14.52% ✓ $77.1K
Aug 19, 2021 Aug 20, 2021 MORIYAMA LESLIE A CFO Buy 86.3 +2,133 7.31% ✗ $33.2K
Aug 13, 2021 Aug 16, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +3,450 14.32% ✓ $56.2K
Jul 19, 2021 Jul 21, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +9,000 59.63% ✓ $142.9K
Jun 30, 2021 Jul 2, 2021 TROUT RONALD PAUL Director Neutral 85.0 +1,038 5.11% ✗ -
Jun 30, 2021 Jul 2, 2021 RUSSELL CHARLES WILLIAM Director Neutral 85.0 +1,038 8.15% ✗ -
Jun 30, 2021 Jul 2, 2021 LASSITER ALLEN D Director Neutral 85.0 +1,038 6.20% ✗ -
Jun 30, 2021 Jul 2, 2021 DORCHESTER MINERALS OPERATING LP Other Sell 22.5 -3,114 -17.10% ✗ $52.5K
May 28, 2021 Jun 2, 2021 ALLEN H C JR Director Neutral 27.5 -21,537 -41.30% ✗ -
Apr 26, 2021 Apr 27, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +4,775 35.55% ✓ $71K
Apr 19, 2021 Apr 21, 2021 DORCHESTER MINERALS OPERATING LP Other Buy 95.0 +9,000 203.11% ✓ $127.9K
Mar 16, 2021 Mar 18, 2021 MORIYAMA LESLIE A CFO Sell 91.3 +4,221 16.91% ✗ $25.2K
Mar 16, 2021 Mar 18, 2021 EHRMAN BRADLEY J COO Sell 86.3 +4,924 6.39% ✗ $29.4K
Mar 16, 2021 Mar 18, 2021 DORCHESTER MINERALS OPERATING LP Other Sell 22.5 -9,145 -67.36% ✗ $129.5K
Dec 29, 2020 Dec 30, 2020 MORIYAMA LESLIE A CFO Buy 86.3 +1,680 7.22% ✗ $18.3K
Dec 10, 2020 Dec 14, 2020 LASSITER ALLEN D Director Neutral 85.0 +1,476 9.67% ✗ -
Dec 10, 2020 Dec 14, 2020 TROUT RONALD PAUL Director Neutral 85.0 +1,476 7.84% ✗ -
Dec 10, 2020 Dec 14, 2020 RUSSELL CHARLES WILLIAM Director Neutral 90.0 +1,476 13.10% ✗ -
Dec 10, 2020 Dec 14, 2020 DORCHESTER MINERALS OPERATING LP Other Sell 20.0 -25,341 -65.12% ✗ $300.3K
Jun 30, 2020 Jul 1, 2020 TROUT RONALD PAUL Director Neutral 85.0 +1,369 7.85% ✗ -
Jun 30, 2020 Jul 1, 2020 RUSSELL CHARLES WILLIAM Director Neutral 90.0 +1,369 13.84% ✗ -
Jun 30, 2020 Jul 1, 2020 LASSITER ALLEN D Director Neutral 85.0 +1,369 9.85% ✗ -
Jun 30, 2020 Jul 1, 2020 DORCHESTER MINERALS OPERATING LP Other Sell 22.5 -4,107 -9.55% ✗ $52.5K