| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-02 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +7,500 | +12.00%70,017 | $27.56 | $206,720 | View SEC filing | |
| 2026-05-22 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +7,500 | +13.63%62,517 | $28.30 | $212,280 | View SEC filing | |
| 2026-05-12 | EHRMAN BRADLEY J Chief Executive Officer | Purchase | +4,000 | +2.88%142,723 | $26.78 | $107,120 | View SEC filing | |
| 2026-02-13 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +20,000 | +57.12%55,017 | $25.24 | $504,750 | View SEC filing | |
| 2025-12-23 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +15,000 | +74.94%35,017 | $22.27 | $334,124 | View SEC filing | |
| 2025-12-19 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +20,000 | +117647.06%20,017 | $22.26 | $445,216 | View SEC filing | |
| 2025-12-03 | Box Frank Damon Director | Purchase | +5,000 | +125.00%9,000 | $21.96 | $109,825 | View SEC filing | |
| 2025-12-02 | VAUGHN ROBERT C Director | Purchase | +195 | +0.96%20,547 | $21.36 | $4,165 | View SEC filing | |
| 2025-11-28 | VAUGHN ROBERT C Director | Purchase | +4,615 | +29.33%20,352 | $21.41 | $98,800 | View SEC filing | |
| 2025-11-28 | MORIYAMA LESLIE A Chief Financial Officer | Purchase | +3,041 | +3.77%83,673 | $21.50 | $65,382 | View SEC filing | |
| 2025-11-26 | EHRMAN BRADLEY J Chief Executive Officer | Purchase | +3,487 | +2.96%121,197 | $21.50 | $74,979 | View SEC filing | |
| 2025-09-08 | Box Frank Damon Director | Purchase | +4,000 | +100.00%4,000 | $25.57 | $102,276 | View SEC filing | |
| 2025-05-01 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +10,000 | +20.83%58,017 | $28.76 | $287,600 | View SEC filing | |
| 2025-03-04 | EHRMAN BRADLEY J Chief Executive Officer | Purchase | +3,356 | +2.93%117,710 | $29.80 | $100,009 | View SEC filing | |
| 2025-02-07 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +335 | +0.70%48,017 | $31.06 | $10,405 | View SEC filing | |
| 2025-02-04 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +14,000 | +41.57%47,682 | $31.32 | $438,525 | View SEC filing | |
| 2024-12-30 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +954 | +2.91%33,682 | $33.19 | $31,662 | View SEC filing | |
| 2024-12-26 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +10,500 | +47.24%32,728 | $32.46 | $340,835 | View SEC filing | |
| 2024-12-12 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +22,000 | +9649.12%22,228 | $32.97 | $725,301 | View SEC filing | |
| 2024-12-05 | MORIYAMA LESLIE A Chief Financial Officer | Purchase | +12,050 | +16.88%83,450 | $34.41 | $414,641 | View SEC filing | |
| 2024-12-05 | EHRMAN BRADLEY J Chief Executive Officer | Purchase | +14,430 | +94.98%29,622 | $34.41 | $496,536 | View SEC filing | |
| 2024-11-15 | MORIYAMA LESLIE A Chief Financial Officer | Purchase | +3,218 | +4.72%71,400 | $32.60 | $104,907 | View SEC filing | |
| 2024-07-23 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +2,900 | +4.57%66,352 | $32.23 | $93,460 | View SEC filing | |
| 2024-07-18 | DORCHESTER MINERALS OPERATING LP Other | Purchase | +4,878 | +8.33%63,452 | $32.39 | $158,005 | View SEC filing | |
| 2024-06-18 | EHRMAN BRADLEY J Chief Executive Officer | Purchase | +2,800 | +2.80%102,737 | $29.50 | $82,600 | View SEC filing |
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