Insider Transactions Reported by 14 Insiders of DORCHESTER MINERALS, L.P.

Symbol
DMLP on Nasdaq
Location
Dallas, TX

Insiders trading volume in the past year

DORCHESTER MINERALS, L.P. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
William Casey McManemin Chairman of the Board, Director $23,474,885 05 Apr 2024
Bradley J. Ehrman Chief Executive Officer $3,500,026 +$74,979 +2.2% 15 Dec 2025
Leslie A. Moriyama Chief Financial Officer $2,233,249 +$65,382 +3% 15 Dec 2025
DORCHESTER MINERALS OPERATING LP Entity Under Common Control $1,391,379 +$1,571,690 11 Feb 2026
H. C. ALLEN JR Director $971,945 28 May 2021
Robert C. Vaughn Director $913,899 +$102,965 +13% 28 Nov 2025
Ronald P. Trout Director $637,378 03 Dec 2021
Allen D. Lassiter Director $595,939 03 Dec 2021
Charles W. Russell Director $468,920 03 Dec 2021
Albert G. Nance III Director $344,768 01 Jan 2026
Lesley Carver Director $327,485 10 Jan 2024
Frank Damon Box Director $197,685 +$212,101 03 Dec 2025
A. Troy Sturrock Director $22,860 11 Feb 2026
Sarah N Wariner Director $0 14 May 2025

Recent Insider Transactions by Companies or Individuals for DORCHESTER MINERALS, L.P.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Dorchester Minerals Operating Lp DMLP Common Units Purchase 10% $126,450 $25.29 5,000 55,017 13 Feb 2026 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 11.1% $125,400 $25.08 5,000 50,017 12 Feb 2026 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 28.6% $252,900 $25.29 10,000 45,017 11 Feb 2026 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 40% $222,994 $22.30 10,000 35,017 22 Dec 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 25% $111,130 $22.23 5,000 25,017 19 Dec 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 366.8% $350,422 $22.28 15,729 20,017 18 Dec 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 25123.5% $94,794 $22.19 4,271 4,288 17 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Tax liability -1.76% -1,756 98,208 15 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Options Exercise 4.55% 4,351 99,964 15 Dec 2025 Direct
Leslie A. Moriyama DMLP Notional Units Options Exercise -50% -4,351 4,350 15 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Tax liability -4.99% -1,719 32,718 15 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Options Exercise 15.9% 4,727 34,437 15 Dec 2025 Direct
Bradley J. Ehrman DMLP Notional Units Options Exercise -50% -4,727 4,726 15 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Tax liability -1.67% -1,621 95,613 03 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Options Exercise 4.31% 4,017 97,234 03 Dec 2025 Direct
Leslie A. Moriyama DMLP Notional Units Options Exercise -33.3% -4,017 8,033 03 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Tax liability -5.56% -1,749 29,710 03 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Options Exercise 18% 4,810 31,459 03 Dec 2025 Direct
Bradley J. Ehrman DMLP Notional Units Options Exercise -33.3% -4,810 9,620 03 Dec 2025 Direct
Frank Damon Box DMLP Common Units Purchase 125% $109,825 $21.96 5,000 9,000 03 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Tax liability -6.48% -6,456 93,217 01 Dec 2025 Direct
Leslie A. Moriyama DMLP Common Units Award 19.1% 16,000 99,673 01 Dec 2025 Direct
Leslie A. Moriyama DMLP Notional Units Award 16,000 16,000 01 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Tax liability -19.7% -6,543 26,649 01 Dec 2025 Direct
Bradley J. Ehrman DMLP Common Units Award 118.5% 18,000 33,192 01 Dec 2025 Direct
Bradley J. Ehrman DMLP Notional Units Award 18,000 18,000 01 Dec 2025 Direct
Robert C. Vaughn DMLP Common Units Purchase 0.96% $4,165 $21.36 195 20,547 28 Nov 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Other -100% -58,000 17 28 Nov 2025 Direct
Bradley J. Ehrman DMLP Common Units Purchase 2.1% $53,719 $21.60 2,487 121,197 26 Nov 2025 .
Robert C. Vaughn DMLP Common Units Purchase 29.3% $98,800 $21.41 4,615 20,352 25 Nov 2025 Direct
Leslie A. Moriyama DMLP Common Units Purchase 3.77% $65,382 $21.50 3,041 83,673 25 Nov 2025 Direct
Bradley J. Ehrman DMLP Common Units Purchase 0.85% $21,260 $21.26 1,000 118,710 25 Nov 2025 .
Frank Damon Box DMLP Common Units Purchase $102,276 $25.57 4,000 4,000 05 Sep 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 20.8% $287,600 $28.76 10,000 58,017 30 Apr 2025 Direct
Bradley J. Ehrman DMLP Common Units Purchase 2.93% $100,009 $29.80 3,356 117,710 03 Mar 2025 .
Dorchester Minerals Operating Lp DMLP Common Units Purchase 0.7% $10,405 $31.06 335 48,017 06 Feb 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 15.8% $200,850 $30.90 6,500 47,682 04 Feb 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 22.3% $237,675 $31.69 7,500 41,182 31 Jan 2025 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 2.91% $31,662 $33.19 954 33,682 30 Dec 2024 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 13.9% $131,440 $32.86 4,000 32,728 26 Dec 2024 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 29.2% $209,395 $32.21 6,500 28,728 23 Dec 2024 Direct
Leslie A. Moriyama DMLP Common Units Tax liability -1.98% -1,626 80,632 13 Dec 2024 Direct
Leslie A. Moriyama DMLP Common Units Options Exercise 5.58% 4,351 82,258 13 Dec 2024 Direct
Leslie A. Moriyama DMLP Notional Units Options Exercise -33.3% -4,351 8,701 13 Dec 2024 Direct
Bradley J. Ehrman DMLP Common Units Tax liability -6.49% -1,861 26,809 13 Dec 2024 Direct
Bradley J. Ehrman DMLP Notional Units Options Exercise -33.3% -4,727 9,453 13 Dec 2024 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 29.1% $164,391 $32.85 5,005 22,228 12 Dec 2024 Direct
Dorchester Minerals Operating Lp DMLP Common Units Purchase 7454% $560,910 $33.00 16,995 17,223 11 Dec 2024 Direct
Leslie A. Moriyama DMLP Common Units Award 16.9% 12,050 83,450 03 Dec 2024 Direct
Leslie A. Moriyama DMLP Notional Units Award 12,050 12,050 03 Dec 2024 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.