Dorchester Minerals, L.P. (DMLP) Insider Trading
Over the last 3 months, DMLP insiders made 1 open-market buy and 0 sales, a net purchase of $147K (SEC Form 4). Over the last 6 months, 88 institutions increased and 56 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
1
Sells (3m)
0
Net (3m)
$147.1K
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Feb
May
Jun
Aug
Context3-month price +3.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Buy | 5,197 | $28.30 |
| Jun 2, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 4,001 | $27.50 |
| Jun 2, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 999 | $27.62 |
| Jun 2, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 2,500 | $27.64 |
| May 22, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 1,500 | $28.24 |
| May 22, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 6,000 | $28.32 |
| May 12, 2026 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Buy | 4,000 | $26.78 |
| Feb 13, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 5,000 | $25.29 |
| Feb 13, 2026 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 10,000 | $25.29 |
| Dec 23, 2025 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 5,000 | $22.23 |
| Dec 23, 2025 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 10,000 | $22.30 |
| Dec 19, 2025 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 4,271 | $22.19 |
| Dec 19, 2025 | DORCHESTER MINERALS OPERATING LPother: Entity Under Common Control | Buy | 15,729 | $22.28 |
| Dec 17, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Tax | 1,719 | — |
| Dec 17, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Tax | 1,756 | — |
| Dec 17, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Option | 4,727 | — |
| Dec 17, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Option | 4,351 | — |
| Dec 5, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Tax | 1,749 | — |
| Dec 5, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Tax | 1,621 | — |
| Dec 5, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Option | 4,810 | — |
| Dec 5, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Option | 4,017 | — |
| Dec 3, 2025 | Box Frank Damondirector | Buy | 5,000 | $21.96 |
| Dec 3, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Grant | 16,000 | $21.63 |
| Dec 3, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Tax | 6,543 | $21.63 |
| Dec 3, 2025 | EHRMAN BRADLEY Jofficer: Chief Executive Officer | Grant | 18,000 | $21.63 |
| Dec 3, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Tax | 6,456 | $21.63 |
| Dec 2, 2025 | VAUGHN ROBERT Cdirector | Buy | 195 | $21.36 |
| Nov 28, 2025 | VAUGHN ROBERT Cdirector | Buy | 352 | $21.39 |
| Nov 28, 2025 | MORIYAMA LESLIE Aofficer: Chief Financial Officer | Buy | 3,041 | $21.50 |
| Nov 28, 2025 | VAUGHN ROBERT Cdirector | Buy | 4,263 | $21.41 |
Source: DMLP SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DMLP positions over the last 6 months (SEC Form 13F).
Increased
88
New positions
44
Reduced
56
Sold out
12
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| MORGAN STANLEY | Reduced | 1.8M | May 15, 2026 |
| MORGAN STANLEY | Reduced | 1.0M | Aug 13, 2026 |
| Adams Asset Advisors, LLC | Increased | 911K | Jul 14, 2026 |
| ADAMS ASSET ADVISORS, LLC | Increased | 888K | Apr 27, 2026 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | Reduced | 860K | May 15, 2026 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | Reduced | 853K | Aug 11, 2026 |
| Turtle Creek Wealth Advisors, LLC | New Position | 842K | Jul 27, 2026 |
| Hollow Brook Wealth Management LLC | Unchanged | 803K | Aug 14, 2026 |
| HOLLOW BROOK WEALTH MANAGEMENT LLC | Unchanged | 803K | May 13, 2026 |
| MidFirst Bank | Increased | 501K | Aug 7, 2026 |
| ARCHPOINT INVESTORS | Reduced | 500K | May 14, 2026 |
| MidFirst Bank | Unchanged | 494K | May 15, 2026 |
| MEIXLER INVESTMENT MANAGEMENT, LTD. | Reduced | 385K | May 6, 2026 |
| Meixler Investment Management, Ltd. | Reduced | 369K | Aug 3, 2026 |
| Pathstone Holdings, LLC | Increased | 359K | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.