Leslie A Moriyama Dorchester Minerals, L.P. (DMLP) insider trading activity

Leslie A Moriyama is Chief Financial Officer of DORCHESTER MINERALS, L.P.. Currently has a direct ownership of 98,208 shares of DMLP, which is worth approximately $2.32 Million. The most recent transaction as insider was on Dec 15, 2025, when has been sold 1,756 shares (Common Units) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 98.2K

21.8% 3M change

21.8% 12M change

Total Value Held $2.32 Million

LESLIE A MORIYAMA Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 15 2025	SELL Payment of exercise price or tax liability	-	1,756 Reduced 1.76%	98,208 Common Units
Dec 15 2025	BUY Exercise of conversion of derivative security	-	4,351 Added 4.17%	99,964 Common Units
Dec 03 2025	SELL Payment of exercise price or tax liability	-	1,621 Reduced 1.67%	95,613 Common Units
Dec 03 2025	BUY Exercise of conversion of derivative security	-	4,017 Added 3.97%	97,234 Common Units
Dec 01 2025	SELL Payment of exercise price or tax liability	$139,643 $21.63 p/Share	6,456 Reduced 6.48%	93,217 Common Units
Dec 01 2025	BUY Grant, award, or other acquisition	$346,080 $21.63 p/Share	16,000 Added 13.83%	99,673 Common Units
Nov 25 2025	BUY Open market or private purchase	$65,381 $21.5 p/Share	3,041 Added 3.51%	83,673 Common Units

Dec 13 2024	SELL Payment of exercise price or tax liability	-	1,626 Reduced 1.98%	80,632 Common Units
Dec 13 2024	BUY Exercise of conversion of derivative security	-	4,351 Added 5.02%	82,258 Common Units
Dec 03 2024	SELL Payment of exercise price or tax liability	$190,734 $34.41 p/Share	5,543 Reduced 6.64%	77,907 Common Units
Dec 03 2024	BUY Open market or private purchase	$414,640 $34.41 p/Share	12,050 Added 12.62%	83,450 Common Units
Nov 14 2024	BUY Open market or private purchase	$104,906 $32.6 p/Share	3,218 Added 4.31%	71,400 Common Units
May 17 2024	BUY Open market or private purchase	$77,103 $31.73 p/Share	2,430 Added 3.44%	68,182 Common Units
Dec 15 2023	SELL Payment of exercise price or tax liability	$137,028 $31.03 p/Share	4,416 Reduced 6.29%	65,752 Common Units
Dec 15 2023	BUY Grant, award, or other acquisition	$405,003 $31.03 p/Share	13,052 Added 15.68%	70,168 Common Units
Nov 10 2023	BUY Open market or private purchase	$225,325 $28.12 p/Share	8,013 Added 12.3%	57,116 Common Units
Dec 15 2022	SELL Payment of exercise price or tax liability	$113,235 $28.14 p/Share	4,024 Reduced 7.57%	49,103 Common Units
Dec 15 2022	BUY Grant, award, or other acquisition	$350,005 $28.14 p/Share	12,438 Added 18.97%	53,127 Common Units
Nov 16 2022	BUY Open market or private purchase	$49,795 $28.75 p/Share	1,732 Added 4.08%	40,689 Common Units
Jun 14 2022	BUY Open market or private purchase	$34,125 $29.7 p/Share	1,149 Added 2.86%	38,957 Common Units
Mar 09 2022	BUY Open market or private purchase	$13,031 $23.65 p/Share	551 Added 1.44%	37,808 Common Units
Mar 08 2022	BUY Open market or private purchase	$47,808 $24.58 p/Share	1,945 Added 4.96%	37,257 Common Units
Dec 03 2021	SELL Payment of exercise price or tax liability	$26,500 $17.69 p/Share	1,498 Reduced 4.07%	35,312 Common Units
Dec 03 2021	BUY Grant, award, or other acquisition	$97,295 $17.69 p/Share	5,500 Added 13.0%	36,810 Common Units
Aug 19 2021	BUY Open market or private purchase	$33,168 $15.55 p/Share	2,133 Added 6.38%	31,310 Common Units

LAM

Leslie A Moriyama

Chief Financial Officer

Dallas, TX

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