STOCK TITAN

Dorchester Minerals (DMLP) CEO adds 4,000 units via LLC purchase

Filing Impact
(High)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

DORCHESTER MINERALS, L.P. Chief Executive Officer Bradley J. Ehrman indirectly bought 4,000 Common Units at $26.78 per unit through Quiscalus Ventures, LLC, where he is the sole member. After this open-market purchase, he holds 142,723 Common Units indirectly and 15,192 Common Units directly, including units in his individual name, IRA or Keogh Plan.

Positive

  • None.

Negative

  • None.
Insider EHRMAN BRADLEY J
Role Chief Executive Officer
Bought 4,000 shs ($107K)
Type Security Shares Price Value
Purchase Common Units 4,000 $26.78 $107K
holding Common Units -- -- --
Holdings After Transaction: Common Units — 142,723 shares (Indirect, .); Common Units — 15,192 shares (Direct, null)
Footnotes (1)
  1. These common units are held by Quiscalus Ventures, LLC, in which Mr. Ehrman is the sole member. On December 31, 2025, the reporting person received 17,526 units from Bradley J. Ehrman in a transaction exempt from reporting pursuant to Rule 16a-13. These common units are held by Mr. Ehrman in his individual name, IRA or Keogh Plan.
Units purchased 4,000 Common Units Open-market purchase by CEO via LLC
Purchase price $26.78 per unit Price paid for 4,000 Common Units
Indirect holdings after transaction 142,723 Common Units Held through Quiscalus Ventures, LLC
Direct holdings after transaction 15,192 Common Units Held in individual name, IRA or Keogh Plan
Net buy shares 4,000 Common Units Net buy direction in transaction summary
Prior exempt transfer 17,526 units Received on December 31, 2025 under Rule 16a-13
Common Units financial
"These common units are held by Quiscalus Ventures, LLC, in which Mr. Ehrman is the sole member."
Common units are the basic ownership stakes in a company, limited partnership, or trust that function like common stock: they give holders a claim on profits and often voting rights. Think of them as the ordinary seats at a table—the most directly affected by the business’s success or failure, so they typically offer higher upside but carry greater risk than preferred claims or creditors, which matters to investors evaluating potential return and safety.
Rule 16a-13 regulatory
"received 17,526 units from Bradley J. Ehrman in a transaction exempt from reporting pursuant to Rule 16a-13."
IRA financial
"These common units are held by Mr. Ehrman in his individual name, IRA or Keogh Plan."
An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.
Keogh Plan financial
"These common units are held by Mr. Ehrman in his individual name, IRA or Keogh Plan."
open-market purchase financial
"transaction_action": "open-market purchase""
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
SEC Form 4
FORM 4UNITED 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
Estimated average burden
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*
EHRMAN BRADLEY J

(Last)(First)(Middle)
3838 OAK LAWN AVE
SUITE 300

(Street)
DALLAS TEXAS 75219

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
DORCHESTER MINERALS, L.P. [ DMLP ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Units05/12/2026P4,000A$26.78142,723I(1)(2).
Common Units15,192D(3)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. These common units are held by Quiscalus Ventures, LLC, in which Mr. Ehrman is the sole member.
2. On December 31, 2025, the reporting person received 17,526 units from Bradley J. Ehrman in a transaction exempt from reporting pursuant to Rule 16a-13.
3. These common units are held by Mr. Ehrman in his individual name, IRA or Keogh Plan.
/s/ Bradley J. Ehrman05/12/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)