DMLP insider transaction filings
DORCHESTER MINERALS, L.P. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-19. Screen DMLP transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 1 Form 4 filing. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing by 1 insider — 5,197 shares, $147,075 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
- Largest priced transaction: purchase of 5,197 shares @ $28.30 ($147,075) by MORIYAMA LESLIE A, filed 2026-08-19.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| MORIYAMA LESLIE A — Chief Financial Officer | 1 | 1 leg · 5,197 sh · $147,075 | — | — |
Recent Form 4 filings — DORCHESTER MINERALS, L.P.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Purchase (P): 5,197 @ $28.30 | EDGAR |
| 2026-06-02 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 2,500 @ $27.64 · Purchase (P): 999 @ $27.62 · Purchase (P): 4,001 @ $27.50 | EDGAR |
| 2026-05-22 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 1,500 @ $28.24 · Purchase (P): 6,000 @ $28.32 | EDGAR |
| 2026-05-12 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Purchase (P): 4,000 @ $26.78 | EDGAR |
| 2026-02-13 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 10,000 @ $25.29 · Purchase (P): 5,000 @ $25.08 · Purchase (P): 5,000 @ $25.29 | EDGAR |
| 2025-12-23 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 5,000 @ $22.23 · Purchase (P): 10,000 @ $22.30 | EDGAR |
| 2025-12-19 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 4,271 @ $22.19 · Purchase (P): 15,729 @ $22.28 | EDGAR |
| 2025-12-17 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Option exercise (M): 4,351 @ $0 · Tax withholding (F): 1,756 @ $0 · Option exercise (M): 4,351 (derivative) @ $0 | EDGAR |
| 2025-12-17 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Option exercise (M): 4,727 @ $0 · Tax withholding (F): 1,719 @ $0 · Option exercise (M): 4,727 (derivative) @ $0 | EDGAR |
| 2025-12-05 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Option exercise (M): 4,017 @ $0 · Tax withholding (F): 1,621 @ $0 · Option exercise (M): 4,017 (derivative) @ $0 | EDGAR |
| 2025-12-05 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Option exercise (M): 4,810 @ $0 · Tax withholding (F): 1,749 @ $0 · Option exercise (M): 4,810 (derivative) @ $0 | EDGAR |
| 2025-12-03 | 4 | Box Frank Damon — Director | Purchase (P): 5,000 @ $21.96 | EDGAR |
| 2025-12-03 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Grant/award (A): 16,000 @ $21.63 · Tax withholding (F): 6,456 @ $21.63 · Grant/award (A): 16,000 (derivative) @ $0 | EDGAR |
| 2025-12-03 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Grant/award (A): 18,000 @ $21.63 · Tax withholding (F): 6,543 @ $21.63 · Grant/award (A): 18,000 (derivative) @ $0 | EDGAR |
| 2025-12-02 | 4 | VAUGHN ROBERT C — Director | Purchase (P): 195 @ $21.36 | EDGAR |
| 2025-12-02 | 4 | DORCHESTER MINERALS OPERATING LP | Other (J): 58,000 @ $21.95 | EDGAR |
| 2025-11-28 | 4 | VAUGHN ROBERT C — Director | Purchase (P): 4,263 @ $21.41 · Purchase (P): 352 @ $21.39 | EDGAR |
| 2025-11-28 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Purchase (P): 3,041 @ $21.50 | EDGAR |
| 2025-11-26 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Purchase (P): 1,000 @ $21.26 · Purchase (P): 2,487 @ $21.60 | EDGAR |
| 2025-09-08 | 4 | Box Frank Damon — Director | Purchase (P): 4,000 @ $25.57 | EDGAR |
| 2025-05-01 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 10,000 @ $28.76 | EDGAR |
| 2025-03-04 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Purchase (P): 3,356 @ $29.80 | EDGAR |
| 2025-02-07 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 335 @ $31.06 | EDGAR |
| 2025-02-04 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 7,500 @ $31.69 · Purchase (P): 6,500 @ $30.90 | EDGAR |
| 2024-12-30 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 10 @ $33.15 · Purchase (P): 940 @ $33.19 · Purchase (P): 4 @ $33.06 | EDGAR |
| 2024-12-26 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 2,500 @ $32.21 · Purchase (P): 3,000 @ $32.20 · Purchase (P): 1,000 @ $32.27 · Purchase (P): 4,000 @ $32.86 | EDGAR |
| 2024-12-17 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Option exercise (M): 4,351 @ $0 · Tax withholding (F): 1,626 @ $0 · Option exercise (M): 4,351 (derivative) @ $0 | EDGAR |
| 2024-12-17 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Option exercise (M): 4,727 @ $0 · Tax withholding (F): 1,861 @ $0 · Option exercise (M): 4,727 (derivative) @ $0 | EDGAR |
| 2024-12-17 | 4/A | MORIYAMA LESLIE A — Chief Financial Officer | Grant/award (A): 12,050 @ $0 · Grant/award (A): 12,050 (derivative) @ $0 | EDGAR |
| 2024-12-17 | 4/A | EHRMAN BRADLEY J — Chief Executive Officer | Grant/award (A): 14,430 @ $0 · Grant/award (A): 14,430 (derivative) @ $0 | EDGAR |
| 2024-12-12 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 3,000 @ $33 · Purchase (P): 3,995 @ $32.97 · Purchase (P): 4,000 @ $33.03 · Purchase (P): 2,000 @ $33.05 · Purchase (P): 1,000 @ $33.02 · Purchase (P): 1,000 @ $32.96 · +5 more | EDGAR |
| 2024-12-05 | 4 | DORCHESTER MINERALS OPERATING LP | Other (J): 66,124 @ $34.41 | EDGAR |
| 2024-12-05 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Purchase (P): 12,050 @ $34.41 · Tax withholding (F): 5,543 @ $34.41 | EDGAR |
| 2024-12-05 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Purchase (P): 14,430 @ $34.41 · Tax withholding (F): 5,679 @ $34.41 | EDGAR |
| 2024-11-15 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Purchase (P): 3,218 @ $32.60 | EDGAR |
| 2024-07-23 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 1,000 @ $32.17 · Purchase (P): 1,000 @ $32.31 · Purchase (P): 900 @ $32.20 | EDGAR |
| 2024-07-18 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 2,000 @ $32.33 · Purchase (P): 1,000 @ $32.31 · Purchase (P): 1,878 @ $32.50 | EDGAR |
| 2024-06-18 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Purchase (P): 2,800 @ $29.50 | EDGAR |
| 2024-05-23 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 2,000 @ $31.73 · Purchase (P): 1,000 @ $31.99 · Purchase (P): 1,000 @ $31.98 · Purchase (P): 1,000 @ $31.93 · Purchase (P): 1,000 @ $31.91 · Purchase (P): 1,000 @ $31.48 · +4 more | EDGAR |
| 2024-05-20 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Purchase (P): 1,430 @ $31.81 · Purchase (P): 1,000 @ $31.65 | EDGAR |
| 2024-04-11 | 4 | MCMANEMIN WILLIAM CASEY — Chairman of the Board, Director | Gift (G): 25,000 @ $0 | EDGAR |
| 2024-02-21 | 4 | MORIYAMA LESLIE A — Chief Financial Officer | Grant/award (A): 13,052 (derivative) @ $0 | EDGAR |
| 2024-02-21 | 4 | EHRMAN BRADLEY J — Chief Executive Officer | Grant/award (A): 14,180 (derivative) @ $0 | EDGAR |
| 2024-02-05 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 96 @ $30.95 · Purchase (P): 1,179 @ $30.90 | EDGAR |
| 2024-02-01 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 2,000 @ $31.58 · Purchase (P): 1,000 @ $31.69 · Purchase (P): 1,000 @ $31.73 · Purchase (P): 1,000 @ $31.74 | EDGAR |
| 2024-01-29 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 1,000 @ $33.40 · Purchase (P): 1,000 @ $33.46 · Purchase (P): 1,000 @ $33.45 · Purchase (P): 1,000 @ $33.50 · Purchase (P): 1,000 @ $33.48 · Purchase (P): 1,000 @ $33.47 · +2 more | EDGAR |
| 2023-12-27 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 939 @ $31.94 · Purchase (P): 1,990 @ $31.94 · Purchase (P): 850 @ $31.93 · Purchase (P): 61 @ $31.88 · Purchase (P): 10 @ $31.78 · Purchase (P): 1,000 @ $31.78 · +2 more | EDGAR |
| 2023-12-22 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 1 @ $31.61 · Purchase (P): 5 @ $31.75 · Purchase (P): 1,000 @ $31.85 · Purchase (P): 1,500 @ $31.85 · Purchase (P): 917 @ $31.89 · Purchase (P): 1,000 @ $31.88 · +4 more | EDGAR |
| 2023-12-21 | 4 | DORCHESTER MINERALS OPERATING LP | Purchase (P): 278 @ $31.17 · Purchase (P): 3,000 @ $31.20 · Purchase (P): 2,000 @ $31.19 · Purchase (P): 28 @ $31.15 · Purchase (P): 1,000 @ $31.15 · Purchase (P): 176 @ $31.35 · +13 more | EDGAR |
| 2023-12-18 | 4 | DORCHESTER MINERALS OPERATING LP | Other (J): 39,900 @ $31.03 | EDGAR |
Recent 8-K events — DORCHESTER MINERALS, L.P.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-03 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-23 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-06 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-12 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-23 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-16 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-02 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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