Insider Trading activities at Dorchester Minerals, L.p. (DMLP)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Dorchester Minerals, L.p. (DMLP) since 2005 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Dorchester Minerals, L.p.. Table 2 shows the detailed insider transactions. This company's CIK number is 1172358.

Total stock buying since 2005: $20,763,820.
Total stock sales since 2005: $18,228,883.
Total stock option exercises since 2005: $0.

1 2 3

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at *Dorchester Minerals, L.p.* (*DMLP*).
	Insider Buying		Insider Sales		Option Exercises
Year	Shares	Value	Shares	Value	Shares	Value
2025	27,691	$836,538	0	$0	0	$0
2024	86,051	$2,841,300	0	$0	9,078	$0
2023	77,198	$2,330,644	0	$0	0	$0
2022	28,446	$797,085	0	$0	0	$0
2021	39,583	$646,472	0	$0	0	$0
2020	99,712	$1,315,256	64,344	$911,796	0	$0
2019	62,986	$1,144,568	0	$0	0	$0
2018	44,994	$759,474	0	$0	0	$0
2017	351,798	$5,256,703	0	$0	0	$0
2016	38,669	$539,118	0	$0	0	$0
2015	43,892	$679,296	0	$0	0	$0
2014	4,071	$107,026	0	$0	0	$0
2013	5,732	$138,525	0	$0	0	$0
2012	12,850	$278,510	0	$0	0	$0
2011	19,000	$448,351	0	$0	0	$0
2010	5,600	$142,989	0	$0	0	$0
2008	88,142	$1,812,871	0	$0	0	$0
2007	29,900	$588,698	0	$0	0	$0
2006	4,000	$100,396	384,431	$9,727,540	0	$0
2005	0	$0	307,835	$7,589,547	0	$0

Table 2. Monthly summary of insider trading at *Dorchester Minerals, L.p.* (*DMLP*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2025-04	10,000	$287,600	0	$0	0	$0
2025-03	3,356	$100,008	0	$0	0	$0
2025-02	6,835	$211,255	0	$0	0	$0
2025-01	7,500	$237,675	0	$0	0	$0
2024-12	48,480	$1,636,435	0	$0	9,078	$0
2024-11	3,218	$104,906	0	$0	0	$0
2024-07	7,778	$251,453	0	$0	0	$0
2024-06	2,800	$82,600	0	$0	0	$0
2024-05	10,000	$317,072	0	$0	0	$0
2024-02	1,275	$39,429	0	$0	0	$0
2024-01	12,500	$409,405	0	$0	0	$0
2023-12	34,732	$1,096,894	0	$0	0	$0
2023-11	12,466	$350,142	0	$0	0	$0
2023-06	5,000	$145,370	0	$0	0	$0
2023-05	10,000	$285,327	0	$0	0	$0
2023-03	15,000	$452,911	0	$0	0	$0
2022-12	20,000	$571,620	0	$0	0	$0
2022-11	3,492	$100,359	0	$0	0	$0
2022-06	1,149	$34,121	0	$0	0	$0
2022-03	3,805	$90,985	0	$0	0	$0
2021-12	850	$16,073	0	$0	0	$0
2021-11	10,375	$199,316	0	$0	0	$0
2021-08	5,583	$89,409	0	$0	0	$0
2021-07	9,000	$142,797	0	$0	0	$0

Table 3. Detailed insider trading at *Dorchester Minerals, L.p.* (*DMLP*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2025-04-30	Dorchester Minerals Operating Lp (Other)	Buy	10,000	28.76	287,600
2025-03-03	Ehrman Bradley J (Chief Executive Officer)	Buy	3,356	29.80	100,008
2025-02-06	Dorchester Minerals Operating Lp (Other)	Buy	335	31.06	10,405
2025-02-04	Dorchester Minerals Operating Lp (Other)	Buy	6,500	30.90	200,850
2025-01-31	Dorchester Minerals Operating Lp (Other)	Buy	7,500	31.69	237,675
2024-12-13	Moriyama Leslie A (Chief Financial Officer)	Option Ex	4,351	.00	0
2024-12-12	Dorchester Minerals Operating Lp (Other)	Buy	5,005	32.84	164,374
2024-12-11	Dorchester Minerals Operating Lp (Other)	Buy	16,995	33.00	560,885
2024-12-03	Ehrman Bradley J (Chief Executive Officer)	Buy	14,430	34.41	496,536
2024-12-03	Ehrman Bradley J (Chief Executive Officer)	Option Ex	4,727	.00	0
2024-12-03	Moriyama Leslie A (Chief Financial Officer)	Buy	12,050	34.41	414,640
2024-11-14	Moriyama Leslie A (Chief Financial Officer)	Buy	3,218	32.60	104,906
2024-07-19	Dorchester Minerals Operating Lp (Other)	Buy	2,900	32.23	93,458
2024-07-17	Dorchester Minerals Operating Lp (Other)	Buy	1,878	32.50	61,035
2024-07-16	Dorchester Minerals Operating Lp (Other)	Buy	3,000	32.32	96,960
2024-06-17	Ehrman Bradley J (Chief Executive Officer)	Buy	2,800	29.50	82,600
2024-05-22	Dorchester Minerals Operating Lp (Other)	Buy	4,000	31.41	125,624
2024-05-21	Dorchester Minerals Operating Lp (Other)	Buy	6,000	31.91	191,448
2024-02-02	Dorchester Minerals Operating Lp (Other)	Buy	1,275	30.93	39,429
2024-01-30	Dorchester Minerals Operating Lp (Other)	Buy	5,000	31.68	158,425
2024-01-25	Dorchester Minerals Operating Lp (Other)	Buy	7,500	33.46	250,980
2023-12-26	Dorchester Minerals Operating Lp (Other)	Buy	4,920	31.85	156,692
2023-12-22	Dorchester Minerals Operating Lp (Other)	Buy	6,000	31.86	191,160
2023-12-21	Dorchester Minerals Operating Lp (Other)	Buy	2,506	31.77	79,603
2023-12-20	Dorchester Minerals Operating Lp (Other)	Buy	15,000	31.52	472,875
2023-12-19	Dorchester Minerals Operating Lp (Other)	Buy	6,306	31.17	196,564
2023-11-10	Ehrman Bradley J (Chief Executive Officer)	Buy	4,453	28.03	124,817
2023-11-10	Moriyama Leslie A (Chief Financial Officer)	Buy	8,013	28.12	225,325
2023-06-14	Dorchester Minerals Operating Lp (Other)	Buy	5,000	29.07	145,370
2023-05-31	Dorchester Minerals Operating Lp (Other)	Buy	2,500	28.50	71,255
2023-05-30	Dorchester Minerals Operating Lp (Other)	Buy	7,500	28.54	214,072
2023-03-22	Dorchester Minerals Operating Lp (Other)	Buy	4,000	28.10	112,400
2023-03-03	Dorchester Minerals Operating Lp (Other)	Buy	4,000	31.07	124,260
2023-03-02	Dorchester Minerals Operating Lp (Other)	Buy	7,000	30.89	216,251
2022-12-06	Dorchester Minerals Operating Lp (Other)	Buy	20,000	28.58	571,620
2022-11-16	Moriyama Leslie A (Chief Financial Officer)	Buy	1,732	28.75	49,795
2022-11-10	Ehrman Bradley J (Chief Executive Officer)	Buy	1,760	28.73	50,564
2022-06-14	Moriyama Leslie A (Chief Financial Officer)	Buy	1,149	29.70	34,121
2022-03-09	Ehrman Bradley J (Chief Operating Officer)	Buy	1,309	23.03	30,146
2022-03-09	Moriyama Leslie A (Chief Financial Officer)	Buy	551	23.65	13,031
2022-03-08	Moriyama Leslie A (Chief Financial Officer)	Buy	1,945	24.58	47,808
2021-12-20	Ehrman Bradley J (Chief Operating Officer)	Buy	850	18.91	16,073
2021-11-05	Dorchester Minerals Operating Lp (Other)	Buy	375	19.33	7,248
2021-11-04	Dorchester Minerals Operating Lp (Other)	Buy	6,000	19.16	114,948
2021-11-02	Dorchester Minerals Operating Lp (Other)	Buy	4,000	19.28	77,120
2021-08-19	Moriyama Leslie A (Chief Financial Officer)	Buy	2,133	15.55	33,168
2021-08-13	Dorchester Minerals Operating Lp (Other)	Buy	3,450	16.30	56,241
2021-07-20	Dorchester Minerals Operating Lp (Other)	Buy	4,000	16.09	64,372
2021-07-19	Dorchester Minerals Operating Lp (Other)	Buy	5,000	15.69	78,425
2021-04-26	Dorchester Minerals Operating Lp (Other)	Buy	4,775	14.86	70,956
2021-04-20	Dorchester Minerals Operating Lp (Other)	Buy	4,500	14.20	63,895
2021-04-19	Dorchester Minerals Operating Lp (Other)	Buy	4,500	14.23	64,026
2020-12-29	Moriyama Leslie A (Chief Financial Officer)	Buy	1,680	10.92	18,345
2020-06-18	Ehrman Bradley J (Chief Operating Officer)	Buy	4,000	11.13	44,520
2020-04-20	Dorchester Minerals Operating Lp (Other)	Buy	15,000	10.22	153,255
2020-03-12	Ehrman Bradley J (Chief Operating Officer)	Buy	2,000	11.25	22,500
2020-03-12	Mcmanemin William Casey (Chief Executive Officer)	Buy	1,333	10.33	13,769
2020-03-10	Mcmanemin William Casey (Chief Executive Officer)	Buy	6,000	11.97	71,850
2020-03-09	Mcmanemin William Casey (Chief Executive Officer)	Buy	16,859	12.54	211,479
2020-03-06	Rochelle Martha (Director)	Sale	29,344	13.57	398,256
2020-03-06	Allen H C Jr (Director)	Buy	4,000	13.44	53,752
2020-03-06	Mcmanemin William Casey (Chief Executive Officer)	Buy	12,435	13.54	168,407
2020-03-05	Rochelle Martha (Director)	Sale	5,000	14.04	70,190
2020-03-04	Rochelle Martha (Director)	Sale	15,400	14.66	225,810
2020-03-04	Vaughn Robert C (Director)	Buy	12,790	14.78	188,985
2020-03-04	Allen H C Jr (Director)	Buy	2,000	14.65	29,300
2020-03-03	Ehrman Bradley J (Chief Operating Officer)	Buy	2,210	15.08	33,326
2020-03-03	Rochelle Martha (Director)	Sale	14,600	14.90	217,540
2020-03-03	Allen H C Jr (Director)	Buy	3,905	14.87	58,059
2020-02-24	Dorchester Minerals Operating Lp (Other)	Buy	2,000	15.84	31,686
2020-02-21	Dorchester Minerals Operating Lp (Other)	Buy	500	15.97	7,987
2020-02-20	Dorchester Minerals Operating Lp (Other)	Buy	2,000	16.05	32,106
2020-02-19	Dorchester Minerals Operating Lp (Other)	Buy	5,000	16.16	80,825
2020-02-18	Dorchester Minerals Operating Lp (Other)	Buy	1,000	15.97	15,970
2020-02-14	Dorchester Minerals Operating Lp (Other)	Buy	5,000	15.83	79,135
2019-11-08	Dorchester Minerals Operating Lp (Other)	Buy	540	17.84	9,633
2019-10-29	Dorchester Minerals Operating Lp (Other)	Buy	5,000	17.86	89,300
2019-10-28	Dorchester Minerals Operating Lp (Other)	Buy	5,400	17.89	96,627
2019-10-21	Dorchester Minerals Operating Lp (Other)	Buy	3,000	17.88	53,625
2019-09-12	Allen H C Jr (Director)	Buy	500	18.00	9,000
2019-09-11	Allen H C Jr (Director)	Buy	1,720	18.08	31,102
2019-09-10	Allen H C Jr (Director)	Buy	1,000	18.30	18,300
2019-08-16	Dorchester Minerals Operating Lp (Other)	Buy	2,190	17.59	38,517
2019-08-15	Ehrman Bradley J (Chief Operating Officer)	Buy	3,000	17.99	53,969
2019-08-14	Dorchester Minerals Operating Lp (Other)	Buy	4,226	17.97	75,941
2019-08-13	Dorchester Minerals Operating Lp (Other)	Buy	5,000	18.45	92,265
2019-08-12	Dorchester Minerals Operating Lp (Other)	Buy	5,000	18.32	91,590
2019-08-07	Allen H C Jr (Director)	Buy	4,470	17.18	76,794
2019-06-18	Dorchester Minerals Operating Lp (Other)	Buy	3,167	18.26	57,829
2019-06-17	Dorchester Minerals Operating Lp (Other)	Buy	3,000	18.37	55,121
2019-06-13	Dorchester Minerals Operating Lp (Other)	Buy	4,000	18.42	73,668
2019-06-12	Dorchester Minerals Operating Lp (Other)	Buy	4,000	18.73	74,916
2019-06-11	Dorchester Minerals Operating Lp (Other)	Buy	2,000	18.66	37,320
2019-05-10	Ehrman Bradley J (Chief Operating Officer)	Buy	5,773	18.89	109,051
2018-08-13	Ehrman Bradley J (Chief Operating Officer)	Buy	2,747	18.96	52,096
2018-05-10	Ehrman Bradley J (Chief Operating Officer)	Buy	3,703	18.15	67,209
2018-04-18	Dorchester Minerals Operating Lp (Other)	Buy	594	17.95	10,662
2018-04-17	Dorchester Minerals Operating Lp (Other)	Buy	7,785	17.82	138,705
2018-03-15	Moriyama Leslie A (Chief Financial Officer)	Buy	2,040	15.93	32,497
2018-03-14	Lassiter Allen D (Director)	Buy	2,638	16.06	42,355
2018-03-13	Lassiter Allen D (Director)	Buy	7,362	15.90	117,092
2018-01-26	Dorchester Minerals Operating Lp (Other)	Buy	1,925	15.93	30,655
2018-01-25	Dorchester Minerals Operating Lp (Other)	Buy	2,000	16.45	32,900
2018-01-24	Dorchester Minerals Operating Lp (Other)	Buy	11,500	16.57	190,612
2018-01-23	Dorchester Minerals Operating Lp (Other)	Buy	2,000	16.60	33,200
2018-01-22	Dorchester Minerals Operating Lp (Other)	Buy	700	16.42	11,491
2017-12-19	Vaughn Robert C (Director)	Buy	7,475	14.60	109,142
2017-12-06	Vaughn Robert C (Director)	Buy	4,186	14.73	61,672
2017-12-05	Vaughn Robert C (Director)	Buy	2,000	14.65	29,300
2017-11-16	Ehrman Bradley J (Chief Operating Officer)	Buy	1,700	15.05	25,585
2017-09-08	Dorchester Minerals Operating Lp (Other)	Buy	600	14.54	8,724
2017-09-07	Dorchester Minerals Operating Lp (Other)	Buy	12,500	14.46	180,750
2017-09-06	Dorchester Minerals Operating Lp (Other)	Buy	5,800	14.47	83,914
2017-08-21	Moriyama Leslie A (Chief Financial Officer)	Buy	1,260	14.16	17,837
2017-06-30	Ehrman Bradley J (Chief Operating Officer)	Buy	3,208	14.98	48,055
2017-06-30	Moriyama Leslie A (Chief Financial Officer)	Buy	6,417	14.98	96,126
2017-06-30	Rochelle Martha (Director)	Buy	64,174	14.98	961,326
2017-06-30	Vaughn Robert C (Director)	Buy	51,339	14.98	769,058
2017-06-30	Allen H C Jr (Director)	Buy	19,252	14.98	288,394
2017-06-30	Raley James E (Vice Chairman)	Buy	19,252	14.98	288,394
2017-06-30	Mcmanemin William Casey (Chief Executive Officer)	Buy	150,808	14.98	2,259,103
2017-03-09	Ehrman Bradley J (Chief Operating Officer)	Buy	1,827	16.05	29,323
2016-12-19	Moriyama Leslie A (Chief Financial Officer)	Buy	470	17.65	8,295
2016-12-16	Moriyama Leslie A (Chief Financial Officer)	Buy	100	16.90	1,689
2016-11-29	Ehrman Bradley J (Chief Operating Officer)	Buy	1,343	16.18	21,723
2016-11-18	Allen H C Jr (Director)	Buy	1,071	15.80	16,921
2016-11-17	Allen H C Jr (Director)	Buy	22	15.85	348
2016-11-16	Allen H C Jr (Director)	Buy	1,040	15.63	16,254
2016-09-22	Dorchester Minerals Operating Lp (Other)	Buy	3,068	15.79	48,446
2016-09-21	Dorchester Minerals Operating Lp (Other)	Buy	5,000	15.47	77,360
2016-09-20	Dorchester Minerals Operating Lp (Other)	Buy	3,500	15.23	53,305
2016-09-19	Dorchester Minerals Operating Lp (Other)	Buy	3,000	15.09	45,261
2016-09-16	Dorchester Minerals Operating Lp (Other)	Buy	500	15.21	7,605
2016-09-13	Dorchester Minerals Operating Lp (Other)	Buy	600	14.96	8,973
2016-09-12	Dorchester Minerals Operating Lp (Other)	Buy	600	15.27	9,162
2016-09-01	Allen H C Jr (Director)	Buy	500	14.42	7,210
2016-08-31	Allen H C Jr (Director)	Buy	2,000	15.15	30,300
2016-08-25	Ehrman Bradley J (Chief Operating Officer)	Buy	2,015	15.70	31,635
2016-05-24	Ehrman Bradley J (Chief Operating Officer)	Buy	1,001	12.34	12,355
2016-03-10	Allen H C Jr (Director)	Buy	3,000	10.91	32,744
2016-03-09	Allen H C Jr (Director)	Buy	2,100	10.91	22,911
2016-03-08	Ehrman Bradley J (Chief Operating Officer)	Buy	1,212	10.83	13,125
2016-03-08	Allen H C Jr (Director)	Buy	4,000	11.05	44,196
2016-03-07	Ehrman Bradley J (Chief Operating Officer)	Buy	2,527	11.60	29,300
2015-11-12	Ehrman Bradley J (Chief Operating Officer)	Buy	1,081	14.00	15,134
2015-09-11	Allen H C Jr (Director)	Buy	1,600	15.00	24,000
2015-09-10	Allen H C Jr (Director)	Buy	2	15.00	30
2015-08-31	Dorchester Minerals Operating Lp (Other)	Buy	290	15.20	4,408
2015-08-31	Allen H C Jr (Director)	Buy	1,000	15.05	15,050
2015-08-28	Dorchester Minerals Operating Lp (Other)	Buy	2,000	14.70	29,400

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Insider trading activities including stock purchases, stock sales, and option exercises of DMLP listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Dorchester Minerals, L.p. (symbol DMLP, CIK number 1172358) see the Securities and Exchange Commission (SEC) website.

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