[Form 4] Dorchester Minerals LP Insider Trading Activity

Rhea-AI Filing Summary

Dorchester Minerals, L.P. director Frank Damon Box reported acquiring 4,000 common units of DMLP on 09/05/2025 at a reported price of $25.569 per unit. The units are held directly and are noted to be owned jointly with his spouse, indicating shared beneficial ownership for these common units.

The filing is a standard Section 16 disclosure showing an insider purchase by a director; it records the class of security, transaction code P (purchase), quantity acquired, and post-transaction beneficial ownership of 4,000 units. No derivative transactions, dispositions, or additional material items are reported in this document.

Positive

• Director purchase disclosed: Director Frank Damon Box acquired 4,000 common units, demonstrating insider acquisition activity.
• Clear ownership form: The filing specifies the units are held directly and jointly with spouse, clarifying beneficial ownership.

Negative

• None.

Insights

Securities Analyst

TL;DR: Director purchase of 4,000 common units at $25.569 signals an insider buy but is a limited disclosure without broader context.

This Form 4 documents a straightforward purchase by a director with no derivatives or dispositions reported. The transaction code P confirms a direct purchase rather than an exercise or gift. The filing clarifies ownership is direct and jointly held with the reporting person's spouse, which affects beneficial ownership reporting. Absent additional filings or context about the director's prior holdings, trading pattern, or company size, the item is informative but not sufficient to infer material impact on corporate control or capital structure.

Corporate Governance Expert

TL;DR: A director-level purchase is routine insider disclosure; joint ownership is properly noted, and no governance red flags are present in this filing.

The report meets Section 16 requirements by disclosing the class, quantity, price, and direct ownership form. Noting joint ownership with a spouse is important for accurate beneficial ownership records. There are no indications of transactions pursuant to a 10b5-1 plan or any amendments that would alter the governance implications. On its face, this Form 4 is a routine compliance disclosure rather than a governance event.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Box Frank Damon

(Last) (First) (Middle)

13603 PINEROCK LANE

(Street)

HOUSTON TX 77079

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
DORCHESTER MINERALS, L.P. [ DMLP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Units	09/05/2025		P		4,000	A	$25.569	4,000	D(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These common units are held by Mr. Box jointly with his spouse.

	/s/ Frank Damon Box	09/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did DMLP director Frank Damon Box report?

He reported acquiring 4,000 common units of DMLP on 09/05/2025 at $25.569 per unit (transaction code P).

How are the acquired DMLP units owned according to the Form 4?

The units are reported as direct ownership and are held jointly with his spouse.

Does the Form 4 show any derivative transactions or dispositions for DMLP?

No. The filing shows only a non-derivative acquisition of common units and lists no derivative transactions or dispositions.

Who filed the Form 4 for DMLP and what is their role?

The Form 4 was filed by Frank Damon Box, who is disclosed as a director of Dorchester Minerals, L.P.

What does transaction code 'P' mean in this Form 4?

In this filing, transaction code P indicates a purchase of the issuer's securities.