Dorchester Minerals L.P. Insider Trades
NASDAQ: DMLPEnergyOil & Gas ProductionUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Last 12 months
- Purchases
- 21 · $2.31M
- Sales
- 0 · $0
- Shares bought / sold
- 95.53K / 0
- Net activity
- Net buying $2.3 million
Dorchester Minerals L.P. insider activity
Over the last 12 months, Dorchester Minerals L.P. insiders reported 34 transactions on SEC Form 4: 21 open-market purchases and 0 sales. Insiders bought $2.3 million and sold $0 worth of stock, for net insider buying of $2.3 million. The most recent filing shows MORIYAMA LESLIE A (Chief Financial Officer) buying 5,197 shares at $28.30 on Aug 19, 2026.
Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put DMLP's ownership changes in context.
Summary generated from market data by MetaCap's automated system. Methodology
DMLP insider transactions
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Aug 19, 2026 | MORIYAMA LESLIE AChief Financial Officer | Buy | 5,197 | $147.08K | Form 4 |
| Jun 1, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 4,001 | $110.03K | Form 4 |
| Jun 1, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 999 | $27.59K | Form 4 |
| Jun 1, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 2,500 | $69.10K | Form 4 |
| May 20, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 6,000 | $169.92K | Form 4 |
| May 20, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,500 | $42.36K | Form 4 |
| May 12, 2026 | EHRMAN BRADLEY JChief Executive Officer | Buy | 4,000 | $107.12K | Form 4 |
| Feb 13, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 5,000 | $126.45K | Form 4 |
| Feb 12, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 5,000 | $125.40K | Form 4 |
| Feb 11, 2026 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 10,000 | $252.90K | Form 4 |
| Dec 22, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 10,000 | $222.99K | Form 4 |
| Dec 19, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 5,000 | $111.13K | Form 4 |
| Dec 18, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 15,729 | $350.42K | Form 4 |
| Dec 17, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 4,271 | $94.79K | Form 4 |
| Dec 15, 2025 | MORIYAMA LESLIE AChief Financial Officer | Tax withholding | 1,756 | — | Form 4 |
| Dec 15, 2025 | MORIYAMA LESLIE AChief Financial Officer | Option exercise | 4,351 | — | Form 4 |
| Dec 15, 2025 | EHRMAN BRADLEY JChief Executive Officer | Tax withholding | 1,719 | — | Form 4 |
| Dec 15, 2025 | EHRMAN BRADLEY JChief Executive Officer | Option exercise | 4,727 | — | Form 4 |
| Dec 3, 2025 | Box Frank DamonDirector | Buy | 5,000 | $109.83K | Form 4 |
| Dec 3, 2025 | MORIYAMA LESLIE AChief Financial Officer | Tax withholding | 1,621 | — | Form 4 |
| Dec 3, 2025 | MORIYAMA LESLIE AChief Financial Officer | Option exercise | 4,017 | — | Form 4 |
| Dec 3, 2025 | EHRMAN BRADLEY JChief Executive Officer | Tax withholding | 1,749 | — | Form 4 |
| Dec 3, 2025 | EHRMAN BRADLEY JChief Executive Officer | Option exercise | 4,810 | — | Form 4 |
| Dec 1, 2025 | EHRMAN BRADLEY JChief Executive Officer | Tax withholding | 6,543 | $141.53K | Form 4 |
| Dec 1, 2025 | EHRMAN BRADLEY JChief Executive Officer | Award | 18,000 | $389.34K | Form 4 |
| Dec 1, 2025 | MORIYAMA LESLIE AChief Financial Officer | Tax withholding | 6,456 | $139.64K | Form 4 |
| Dec 1, 2025 | MORIYAMA LESLIE AChief Financial Officer | Award | 16,000 | $346.08K | Form 4 |
| Nov 28, 2025 | VAUGHN ROBERT CDirector | Buy | 195 | $4.17K | Form 4 |
| Nov 28, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | other | 58,000 | $1.27M | Form 4 |
| Nov 26, 2025 | EHRMAN BRADLEY JChief Executive Officer | Buy | 2,487 | $53.72K | Form 4 |
| Nov 25, 2025 | EHRMAN BRADLEY JChief Executive Officer | Buy | 1,000 | $21.26K | Form 4 |
| Nov 25, 2025 | MORIYAMA LESLIE AChief Financial Officer | Buy | 3,041 | $65.38K | Form 4 |
| Nov 25, 2025 | VAUGHN ROBERT CDirector | Buy | 352 | $7.53K | Form 4 |
| Nov 25, 2025 | VAUGHN ROBERT CDirector | Buy | 4,263 | $91.27K | Form 4 |
| Sep 5, 2025 | Box Frank DamonDirector | Buy | 4,000 | $102.28K | Form 4 |
| Apr 30, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 10,000 | $287.60K | Form 4 |
| Mar 3, 2025 | EHRMAN BRADLEY JChief Executive Officer | Buy | 3,356 | $100.01K | Form 4 |
| Feb 6, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 335 | $10.41K | Form 4 |
| Feb 4, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 6,500 | $200.85K | Form 4 |
| Jan 31, 2025 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 7,500 | $237.68K | Form 4 |
| Dec 30, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 4 | $132.24 | Form 4 |
| Dec 30, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 940 | $31.20K | Form 4 |
| Dec 30, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 10 | $331.50 | Form 4 |
| Dec 26, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 4,000 | $131.44K | Form 4 |
| Dec 23, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.27K | Form 4 |
| Dec 23, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 3,000 | $96.60K | Form 4 |
| Dec 23, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 2,500 | $80.53K | Form 4 |
| Dec 13, 2024 | EHRMAN BRADLEY JChief Executive Officer | Tax withholding | 1,861 | — | Form 4 |
| Dec 13, 2024 | MORIYAMA LESLIE AChief Financial Officer | Tax withholding | 1,626 | — | Form 4 |
| Dec 13, 2024 | MORIYAMA LESLIE AChief Financial Officer | Option exercise | 4,351 | — | Form 4 |
| Dec 12, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.84K | Form 4 |
| Dec 12, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.84K | Form 4 |
| Dec 12, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 3,005 | $98.71K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $33.01K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.98K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.96K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $33.02K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 2,000 | $66.10K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 4,000 | $132.12K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 3,995 | $131.72K | Form 4 |
| Dec 11, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 3,000 | $99.00K | Form 4 |
| Dec 3, 2024 | EHRMAN BRADLEY JChief Executive Officer | Tax withholding | 5,679 | $195.41K | Form 4 |
| Dec 3, 2024 | EHRMAN BRADLEY JChief Executive Officer | Buy | 14,430 | $496.54K | Form 4 |
| Dec 3, 2024 | MORIYAMA LESLIE AChief Financial Officer | Tax withholding | 5,543 | $190.73K | Form 4 |
| Dec 3, 2024 | MORIYAMA LESLIE AChief Financial Officer | Buy | 12,050 | $414.64K | Form 4 |
| Dec 3, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | other | 66,124 | $2.28M | Form 4 |
| Dec 3, 2024 | EHRMAN BRADLEY JChief Executive Officer | Option exercise | 4,727 | — | Form 4 |
| Dec 3, 2024 | EHRMAN BRADLEY JChief Executive Officer | Award | 14,430 | — | Form 4 |
| Dec 3, 2024 | MORIYAMA LESLIE AChief Financial Officer | Award | 12,050 | — | Form 4 |
| Nov 14, 2024 | MORIYAMA LESLIE AChief Financial Officer | Buy | 3,218 | $104.91K | Form 4 |
| Jul 19, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 900 | $28.98K | Form 4 |
| Jul 19, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.31K | Form 4 |
| Jul 19, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.17K | Form 4 |
| Jul 17, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,878 | $61.03K | Form 4 |
| Jul 16, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $32.31K | Form 4 |
| Jul 16, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 2,000 | $64.66K | Form 4 |
| Jun 17, 2024 | EHRMAN BRADLEY JChief Executive Officer | Buy | 2,800 | $82.60K | Form 4 |
| May 22, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 900 | $28.10K | Form 4 |
| May 22, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.46K | Form 4 |
| May 22, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.40K | Form 4 |
| May 22, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 100 | $3.15K | Form 4 |
| May 22, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.48K | Form 4 |
| May 21, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.91K | Form 4 |
| May 21, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.93K | Form 4 |
| May 21, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.98K | Form 4 |
| May 21, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 1,000 | $31.99K | Form 4 |
| May 21, 2024 | DORCHESTER MINERALS OPERATING LPEntity Under Common Control | Buy | 2,000 | $63.46K | Form 4 |
| May 17, 2024 | MORIYAMA LESLIE AChief Financial Officer | Buy | 1,000 | $31.65K | Form 4 |
| May 17, 2024 | MORIYAMA LESLIE AChief Financial Officer | Buy | 1,430 | $45.49K | Form 4 |
Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4