Dorchester Minerals, L.P. (DMLP) has 17 known insider and institutional holders on record. The largest holder is Lucent Technologies Inc. Master Pension Trust with 2,822,623 shares. Other notable holders include MCMANEMIN WILLIAM CASEY and DORCHESTER MINERALS OPERATING LP.
Over the last 12 months, insiders have made 25 transactions in DMLP stock — 17 buys (valued at $2.02M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
DMLP Insider Ownership
Top Holder
Lucent Technologies Inc. Master Pension Trust
2,822,623 shares
Buys (12 mo)
17
$2.02M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Lucent Technologies Inc. Master Pension Trust |
10 Percent Owner |
2,822,623 |
2006-12-29 |
|
| 2 |
Mcmanemin William Casey |
Chairman of the Board |
706,481 |
2024-04-11 |
|
| 3 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
45,017 |
2026-02-13 |
|
| 4 |
Raley James E |
Vice Chairman |
32,252 |
2017-07-05 |
|
| 5 |
Rochelle Martha |
Director |
29,344 |
2020-03-09 |
|
| 6 |
Allen H C Jr |
Director |
21,537 |
2020-03-09 |
|
| 7 |
Vaughn Robert C |
Director |
20,547 |
2025-12-02 |
|
| 8 |
Trout Ronald Paul |
Director |
19,672 |
2021-12-07 |
|
| 9 |
Lassiter Allen D |
Director |
18,767 |
2021-12-07 |
|
| 10 |
Nance Albert G Iii |
Director |
15,419 |
2026-01-09 |
|
| 11 |
Russell Charles William |
Director |
14,767 |
2021-12-07 |
|
| 12 |
Box Frank Damon |
Director |
9,000 |
2025-12-03 |
|
| 13 |
Ehrman Bradley J |
Chief Executive Officer |
4,726 |
2025-12-17 |
|
| 14 |
Moriyama Leslie A |
Chief Financial Officer |
4,350 |
2025-12-17 |
|
| 15 |
Berry Buford P |
Director |
2,000 |
2013-12-19 |
|
| 16 |
Sturrock Troy |
Director |
900 |
2026-02-18 |
|
| 17 |
Carver Lesley |
Director |
111 |
2024-01-19 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-11 |
Sturrock Troy |
Director |
Unknown |
- |
- |
- |
| 2026-02-13 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
5,000 |
$25.29 |
$126.45K |
| 2026-02-12 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
5,000 |
$25.08 |
$125.4K |
| 2026-02-11 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
10,000 |
$25.29 |
$252.9K |
| 2026-01-01 |
Nance Albert G Iii |
Director |
Unknown |
- |
- |
- |
| 2025-12-22 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
10,000 |
$22.30 |
$222.99K |
| 2025-12-19 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
5,000 |
$22.23 |
$111.13K |
| 2025-12-18 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
15,729 |
$22.28 |
$350.42K |
| 2025-12-17 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
4,271 |
$22.19 |
$94.79K |
| 2025-12-15 |
Ehrman Bradley J |
Chief Executive Officer |
Option Exercise (Sell) |
4,727 |
- |
- |
| 2025-12-15 |
Moriyama Leslie A |
Chief Financial Officer |
Option Exercise (Sell) |
4,351 |
- |
- |
| 2025-12-03 |
Ehrman Bradley J |
Chief Executive Officer |
Option Exercise (Sell) |
4,810 |
- |
- |
| 2025-12-03 |
Moriyama Leslie A |
Chief Financial Officer |
Option Exercise (Sell) |
4,017 |
- |
- |
| 2025-12-03 |
Box Frank Damon |
Director |
Informative Buy |
5,000 |
$21.97 |
$109.83K |
| 2025-12-01 |
Ehrman Bradley J |
Chief Executive Officer |
RSU Award |
18,000 |
- |
- |
| 2025-12-01 |
Moriyama Leslie A |
Chief Financial Officer |
RSU Award |
16,000 |
- |
- |
| 2025-11-28 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Other (Sell) |
58,000 |
$21.95 |
$1.27M |
| 2025-11-28 |
Vaughn Robert C |
Director |
Informative Buy |
195 |
$21.36 |
$4.17K |
| 2025-11-25 |
Moriyama Leslie A |
Chief Financial Officer |
Informative Buy |
3,041 |
$21.50 |
$65.38K |
| 2025-11-25 |
Vaughn Robert C |
Director |
Informative Buy |
4,263 |
$21.41 |
$91.27K |
| 2025-11-26 |
Ehrman Bradley J |
Chief Executive Officer |
Informative Buy |
2,487 |
$21.60 |
$53.72K |
| 2025-11-25 |
Ehrman Bradley J |
Chief Executive Officer |
Informative Buy |
1,000 |
$21.26 |
$21.26K |
| 2025-09-05 |
Box Frank Damon |
Director |
Informative Buy |
4,000 |
$25.57 |
$102.28K |
| 2025-05-14 |
Wariner Sarah N |
Director |
Unknown |
- |
- |
- |
| 2025-04-30 |
Dorchester Minerals Operating Lp |
Other: Entity Under Common Control |
Informative Buy |
10,000 |
$28.76 |
$287.6K |
