Dorchester Minerals, L.P.
DMLP- Exchange
- Nasdaq
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001172358
In the last 90 days, Dorchester Minerals, L.P. insiders filed 1 open-market purchase and 0 sales; 152 institutions reported holding it in 13F filings for Q2 2026, worth $283.8M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Dorchester Minerals, L.P. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $147.1K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$147.1K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Dorchester Minerals, L.P., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Moriyama Leslie A | Chief Financial Officer | 103,405 | Aug 19, 2026 | 5 |
| Dorchester Minerals Operating LP | Other: Entity Under Common Control | 70,017 | Jun 2, 2026 | 6 |
| Ehrman Bradley J | Chief Executive Officer | 142,723Indirect | May 12, 2026 | 5 |
| Box Frank Damon | Director | 9,000 | Dec 3, 2025 | 1 |
| Vaughn Robert C | Director | 20,547 | Dec 2, 2025 | 2 |
| McManemin William Casey | Chairman of the Board | 706,481 | Apr 11, 2024 | 0 |
| Trout Ronald Paul | Director | 19,672 | Dec 7, 2021 | 0 |
| Russell Charles William | Director | 14,767 | Dec 7, 2021 | 0 |
| Lassiter Allen D | Director | 18,767 | Dec 7, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 (view filing)4:14 PM ET | Aug 19 | Same day | Moriyama Leslie AChief Financial Officer | PPurchaseCommon Units | +5.20K | $28.30 | +$147.1K | +5.3%103.4K after |