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Dorchester Minerals, L.P. (DMLP)

Dorchester Minerals, L.P. (DMLP) Insider Trading

Directors, officers and holders of more than 10% of DMLP report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 80 transactions on file: 31 with code P, 0 with code S and 19 with other codes.

DateInsiderCodeShares
Aug 19, 2026MORIYAMA LESLIE AP Purchase5,197
Jun 1, 2026DORCHESTER MINERALS OPERATING LPP Purchase999
Jun 1, 2026DORCHESTER MINERALS OPERATING LPP Purchase2,500
Jun 1, 2026DORCHESTER MINERALS OPERATING LPP Purchase4,001
May 20, 2026DORCHESTER MINERALS OPERATING LPP Purchase1,500
May 20, 2026DORCHESTER MINERALS OPERATING LPP Purchase6,000
May 12, 2026EHRMAN BRADLEY JP Purchase4,000
Feb 13, 2026DORCHESTER MINERALS OPERATING LPP Purchase5,000
Feb 12, 2026DORCHESTER MINERALS OPERATING LPP Purchase5,000
Feb 11, 2026DORCHESTER MINERALS OPERATING LPP Purchase10,000
Dec 22, 2025DORCHESTER MINERALS OPERATING LPP Purchase10,000
Dec 19, 2025DORCHESTER MINERALS OPERATING LPP Purchase5,000
Dec 18, 2025DORCHESTER MINERALS OPERATING LPP Purchase15,729
Dec 17, 2025DORCHESTER MINERALS OPERATING LPP Purchase4,271
Dec 15, 2025EHRMAN BRADLEY JM Exercise4,727
Dec 15, 2025MORIYAMA LESLIE AM Exercise4,351
Dec 15, 2025EHRMAN BRADLEY JF Tax Payment1,719
Dec 15, 2025EHRMAN BRADLEY JM Exercise4,727
Dec 15, 2025MORIYAMA LESLIE AF Tax Payment1,756
Dec 15, 2025MORIYAMA LESLIE AM Exercise4,351
Dec 3, 2025MORIYAMA LESLIE AF Tax Payment1,621
Dec 3, 2025MORIYAMA LESLIE AM Exercise4,017
Dec 3, 2025MORIYAMA LESLIE AM Exercise4,017
Dec 3, 2025EHRMAN BRADLEY JM Exercise4,810
Dec 3, 2025Box Frank DamonP Purchase5,000
Dec 3, 2025EHRMAN BRADLEY JF Tax Payment1,749
Dec 3, 2025EHRMAN BRADLEY JM Exercise4,810
Dec 1, 2025EHRMAN BRADLEY JA Award18,000
Dec 1, 2025MORIYAMA LESLIE AA Award16,000
Dec 1, 2025MORIYAMA LESLIE AF Tax Payment6,456
Dec 1, 2025EHRMAN BRADLEY JA Award18,000
Dec 1, 2025EHRMAN BRADLEY JF Tax Payment6,543
Dec 1, 2025MORIYAMA LESLIE AA Award16,000
Nov 28, 2025DORCHESTER MINERALS OPERATING LPJ Other58,000
Nov 28, 2025VAUGHN ROBERT CP Purchase195
Nov 26, 2025EHRMAN BRADLEY JP Purchase2,487
Nov 25, 2025EHRMAN BRADLEY JP Purchase1,000
Nov 25, 2025MORIYAMA LESLIE AP Purchase3,041
Nov 25, 2025VAUGHN ROBERT CP Purchase4,263
Nov 25, 2025VAUGHN ROBERT CP Purchase352
Sep 5, 2025Box Frank DamonP Purchase4,000
Apr 30, 2025DORCHESTER MINERALS OPERATING LPP Purchase10,000
Mar 3, 2025EHRMAN BRADLEY JP Purchase3,356
Feb 6, 2025DORCHESTER MINERALS OPERATING LPP Purchase335
Feb 4, 2025DORCHESTER MINERALS OPERATING LPP Purchase6,500
Jan 31, 2025DORCHESTER MINERALS OPERATING LPP Purchase7,500
Dec 30, 2024DORCHESTER MINERALS OPERATING LPP Purchase4
Dec 30, 2024DORCHESTER MINERALS OPERATING LPP Purchase940
Dec 30, 2024DORCHESTER MINERALS OPERATING LPP Purchase10
Dec 26, 2024DORCHESTER MINERALS OPERATING LPP Purchase4,000

The full Form 4 history is on the DMLP company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.