United States Oil & Gas

Dorchester Minerals LP (DMLP)

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Dorchester Minerals LP experienced recent insider trading activity involving a Chief Financial Officer purchase of 147,075 USD in shares. This transaction follows the company's August 2026 results financiers. The stock price has risen 18.3% over the last quarter, currently trading near its fifty-two-week high, reflecting positive market sentiment for the energy firm.
Ticker: DMLP Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Dorchester Minerals LP. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
112.94
Quantity 45,898 -23.8%
Value US$4,378,481
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
26.78
Quantity 4,000 +2.9%
Value US$107,120
2.9
Box Frank Damon Non-Executive Director
Transaction date
Purchase
Price
21.97
Quantity 5,000 +125.0%
Value US$109,825
2.1
VAUGHN ROBERT C Non-Executive Director
Transaction date
Purchase
Price
21.36
Quantity 195 +1.0%
Value US$4,165
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
21.60
Quantity 2,487 +2.1%
Value US$53,719
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
21.50
Quantity 3,041 +3.8%
Value US$65,382
2.1
VAUGHN ROBERT C Non-Executive Director
Transaction date
Purchase
Price
21.39
Quantity 352 +1.8%
Value US$7,529
2.1
VAUGHN ROBERT C Non-Executive Director
Transaction date
Purchase
Price
21.41
Quantity 4,263 +27.1%
Value US$91,271
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
21.26
Quantity 1,000 +0.8%
Value US$21,260
2.9
Box Frank Damon Non-Executive Director
Transaction date
Purchase
Price
25.57
Quantity 4,000 +inf%
Value US$102,276
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
29.80
Quantity 3,356 +2.9%
Value US$100,009
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
34.41
Quantity 12,050 +16.9%
Value US$414,640
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
34.41
Quantity 14,430 +95.0%
Value US$496,536
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
32.60
Quantity 3,218 +4.7%
Value US$104,907
3.3
EHRMAN BRADLEY J Chief Executive Officer Officer
Transaction date
Purchase
Price
29.50
Quantity 2,800 +2.8%
Value US$82,600
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
31.65
Quantity 1,000 +1.5%
Value US$31,650
3.3
MORIYAMA LESLIE A Chief Financial Officer Officer
Transaction date
Purchase
Price
31.81
Quantity 1,430 +2.2%
Value US$45,488
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-19 2026-08-19 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
45,898 -23.8%
112.94
US$4,378,481 		45,898 -23.8% 112.94 US$4,378,481
2026-06-02 2026-06-01 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
7,487 +49.0%
248.74
US$4,029,560 		7,487 +49.0% 248.74 US$4,029,560
2026-06-02 2026-06-01 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
99,818 +4.4%
211.26
US$4,510,381 		99,818 +4.4% 211.26 US$4,510,381
2026-06-02 2026-06-01 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,500 +4.0%
27.64
US$69,100 		2,500 +4.0% 27.64 US$69,100
2026-05-22 2026-05-20 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
6,000 +10.6%
28.32
US$169,920 		6,000 +10.6% 28.32 US$169,920
2026-05-22 2026-05-20 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,500 +2.7%
28.24
US$42,360 		1,500 +2.7% 28.24 US$42,360
2026-05-12 2026-05-12 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
4,000 +2.9%
26.78
US$107,120 		4,000 +2.9% 26.78 US$107,120
2026-02-13 2026-02-13 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
5,000 +10.0%
25.29
US$126,450 		5,000 +10.0% 25.29 US$126,450
2026-02-13 2026-02-12 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
5,000 +11.1%
25.08
US$125,400 		5,000 +11.1% 25.08 US$125,400
2026-02-13 2026-02-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
10,000 +28.6%
25.29
US$252,900 		10,000 +28.6% 25.29 US$252,900
2025-12-23 2025-12-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
10,000 +40.0%
22.30
US$222,994 		10,000 +40.0% 22.30 US$222,994
2025-12-23 2025-12-19 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
5,000 +25.0%
22.23
US$111,130 		5,000 +25.0% 22.23 US$111,130
2025-12-19 2025-12-18 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
15,729 +366.8%
22.28
US$350,422 		15,729 +366.8% 22.28 US$350,422
2025-12-19 2025-12-17 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
4,271 +25123.5%
22.19
US$94,794 		4,271 +25123.5% 22.19 US$94,794
2025-12-03 2025-12-03 B Purchase
2.9
Box Frank Damon
Non-Executive Director
5,000 +125.0%
21.97
US$109,825 		5,000 +125.0% 21.97 US$109,825
2025-12-02 2025-11-28 B Purchase
2.1
VAUGHN ROBERT C
Non-Executive Director
195 +1.0%
21.36
US$4,165 		195 +1.0% 21.36 US$4,165
2025-11-26 2025-11-26 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
2,487 +2.1%
21.60
US$53,719 		2,487 +2.1% 21.60 US$53,719
2025-11-28 2025-11-25 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
3,041 +3.8%
21.50
US$65,382 		3,041 +3.8% 21.50 US$65,382
2025-11-28 2025-11-25 B Purchase
2.1
VAUGHN ROBERT C
Non-Executive Director
352 +1.8%
21.39
US$7,529 		352 +1.8% 21.39 US$7,529
2025-11-28 2025-11-25 B Purchase
2.1
VAUGHN ROBERT C
Non-Executive Director
4,263 +27.1%
21.41
US$91,271 		4,263 +27.1% 21.41 US$91,271
2025-11-26 2025-11-25 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
1,000 +0.8%
21.26
US$21,260 		1,000 +0.8% 21.26 US$21,260
2025-09-08 2025-09-05 B Purchase
2.9
Box Frank Damon
Non-Executive Director
4,000 +inf%
25.57
US$102,276 		4,000 +inf% 25.57 US$102,276
2025-05-01 2025-04-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
10,000 +20.8%
28.76
US$287,600 		10,000 +20.8% 28.76 US$287,600
2025-03-04 2025-03-03 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
3,356 +2.9%
29.80
US$100,009 		3,356 +2.9% 29.80 US$100,009
2025-02-07 2025-02-06 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
335 +0.7%
31.06
US$10,405 		335 +0.7% 31.06 US$10,405
2025-02-04 2025-02-04 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
6,500 +15.8%
30.90
US$200,850 		6,500 +15.8% 30.90 US$200,850
2025-02-04 2025-01-31 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
7,500 +22.3%
31.69
US$237,675 		7,500 +22.3% 31.69 US$237,675
2024-12-30 2024-12-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
4 +0.0%
33.06
US$132 		4 +0.0% 33.06 US$132
2024-12-30 2024-12-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
940 +2.9%
33.19
US$31,199 		940 +2.9% 33.19 US$31,199
2024-12-30 2024-12-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
10 +0.0%
33.15
US$332 		10 +0.0% 33.15 US$332
2024-12-26 2024-12-26 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
4,000 +13.9%
32.86
US$131,440 		4,000 +13.9% 32.86 US$131,440
2024-12-26 2024-12-23 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +3.6%
32.27
US$32,270 		1,000 +3.6% 32.27 US$32,270
2024-12-26 2024-12-23 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
3,000 +12.1%
32.20
US$96,600 		3,000 +12.1% 32.20 US$96,600
2024-12-26 2024-12-23 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,500 +11.2%
32.21
US$80,525 		2,500 +11.2% 32.21 US$80,525
2024-12-12 2024-12-12 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +4.7%
32.84
US$32,840 		1,000 +4.7% 32.84 US$32,840
2024-12-12 2024-12-12 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +4.9%
32.84
US$32,836 		1,000 +4.9% 32.84 US$32,836
2024-12-12 2024-12-12 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
3,005 +17.4%
32.85
US$98,714 		3,005 +17.4% 32.85 US$98,714
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +6.2%
33.01
US$33,010 		1,000 +6.2% 33.01 US$33,010
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +6.6%
32.99
US$32,985 		1,000 +6.6% 32.99 US$32,985
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +7.0%
32.96
US$32,960 		1,000 +7.0% 32.96 US$32,960
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +7.6%
33.02
US$33,020 		1,000 +7.6% 33.02 US$33,020
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,000 +17.8%
33.05
US$66,100 		2,000 +17.8% 33.05 US$66,100
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
4,000 +55.4%
33.03
US$132,120 		4,000 +55.4% 33.03 US$132,120
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
3,995 +123.8%
32.97
US$131,715 		3,995 +123.8% 32.97 US$131,715
2024-12-12 2024-12-11 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
3,000 +1315.8%
33.00
US$99,000 		3,000 +1315.8% 33.00 US$99,000
2024-12-05 2024-12-03 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
12,050 +16.9%
34.41
US$414,640 		12,050 +16.9% 34.41 US$414,640
2024-12-05 2024-12-03 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
14,430 +95.0%
34.41
US$496,536 		14,430 +95.0% 34.41 US$496,536
2024-11-15 2024-11-14 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
3,218 +4.7%
32.60
US$104,907 		3,218 +4.7% 32.60 US$104,907
2024-07-23 2024-07-19 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
900 +1.4%
32.20
US$28,980 		900 +1.4% 32.20 US$28,980
2024-07-23 2024-07-19 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.6%
32.31
US$32,310 		1,000 +1.6% 32.31 US$32,310
2024-07-23 2024-07-19 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.6%
32.17
US$32,170 		1,000 +1.6% 32.17 US$32,170
2024-07-18 2024-07-17 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,878 +3.0%
32.50
US$61,035 		1,878 +3.0% 32.50 US$61,035
2024-07-18 2024-07-16 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.7%
32.31
US$32,310 		1,000 +1.7% 32.31 US$32,310
2024-07-18 2024-07-16 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,000 +3.4%
32.33
US$64,660 		2,000 +3.4% 32.33 US$64,660
2024-06-18 2024-06-17 B Purchase
3.3
EHRMAN BRADLEY J

Chief Executive Officer

Officer
2,800 +2.8%
29.50
US$82,600 		2,800 +2.8% 29.50 US$82,600
2024-05-23 2024-05-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
900 +1.6%
31.22
US$28,098 		900 +1.6% 31.22 US$28,098
2024-05-23 2024-05-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.8%
31.46
US$31,460 		1,000 +1.8% 31.46 US$31,460
2024-05-23 2024-05-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.8%
31.40
US$31,400 		1,000 +1.8% 31.40 US$31,400
2024-05-23 2024-05-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
100 +0.2%
31.47
US$3,147 		100 +0.2% 31.47 US$3,147
2024-05-23 2024-05-22 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.8%
31.48
US$31,480 		1,000 +1.8% 31.48 US$31,480
2024-05-23 2024-05-21 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.9%
31.91
US$31,910 		1,000 +1.9% 31.91 US$31,910
2024-05-23 2024-05-21 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.9%
31.93
US$31,930 		1,000 +1.9% 31.93 US$31,930
2024-05-23 2024-05-21 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +1.9%
31.98
US$31,980 		1,000 +1.9% 31.98 US$31,980
2024-05-23 2024-05-21 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +2.0%
31.99
US$31,990 		1,000 +2.0% 31.99 US$31,990
2024-05-23 2024-05-21 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,000 +4.1%
31.73
US$63,460 		2,000 +4.1% 31.73 US$63,460
2024-05-20 2024-05-17 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
1,000 +1.5%
31.65
US$31,650 		1,000 +1.5% 31.65 US$31,650
2024-05-20 2024-05-17 B Purchase
3.3
MORIYAMA LESLIE A

Chief Financial Officer

Officer
1,430 +2.2%
31.81
US$45,488 		1,430 +2.2% 31.81 US$45,488
2024-02-05 2024-02-02 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,179 +2.5%
30.90
US$36,431 		1,179 +2.5% 30.90 US$36,431
2024-02-05 2024-02-02 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
96 +0.2%
30.95
US$2,971 		96 +0.2% 30.95 US$2,971
2024-02-01 2024-01-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +2.2%
31.74
US$31,740 		1,000 +2.2% 31.74 US$31,740
2024-02-01 2024-01-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +2.2%
31.73
US$31,730 		1,000 +2.2% 31.73 US$31,730
2024-02-01 2024-01-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +2.3%
31.69
US$31,690 		1,000 +2.3% 31.69 US$31,690
2024-02-01 2024-01-30 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
2,000 +4.7%
31.58
US$63,160 		2,000 +4.7% 31.58 US$63,160
2024-01-29 2024-01-25 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
500 +1.2%
33.46
US$16,730 		500 +1.2% 33.46 US$16,730
2024-01-29 2024-01-25 PP Planned purchase
DORCHESTER MINERALS OPERATING LP

Entity Under Common Control
1,000 +2.5%
33.50
US$33,500 		1,000 +2.5% 33.50 US$33,500
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