Dorchester Minerals Operating LP Insider Trading Activity
Dorchester Minerals Operating LP, an institutional filer, recorded 9 transactions over the last 12 months across 1 company totaling $1.5M.
Activity concentrated in DMLP with 9 filings. The largest single transaction was a purchase of DMLP for $350K on Dec 18, 2025.
Performance Scorecard
Forward stock performance after each transaction by Dorchester Minerals Operating LP. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +3.3% | — | 78% | 9 |
| 90 days | +12.4% | — | 78% | 9 |
| 120 days | +17.0% | — | 100% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 20, 2026 | DMLP | Buy | 1,500 | $28.24 | $42K | +2.7% | Other | |
May 20, 2026 | DMLP | Buy | 6,000 | $28.32 | $170K | +10.6% | Other | |
Feb 13, 2026 | DMLP | Buy | 5,000 | $25.29 | $126K | +10.0% | Other | |
Feb 12, 2026 | DMLP | Buy | 5,000 | $25.08 | $125K | +11.1% | Other | |
Feb 11, 2026 | DMLP | Buy | 10,000 | $25.29 | $253K | +28.6% | Other | |
Dec 22, 2025 | DMLP | Buy | 10,000 | $22.30 | $223K | +40.0% | Other | |
Dec 19, 2025 | DMLP | Buy | 5,000 | $22.23 | $111K | +25.0% | Other | |
Dec 18, 2025 | DMLP | Buy | 15,729 | $22.28 | $350K | +366.8% | Other | |
Dec 17, 2025 | DMLP | Buy | 4,271 | $22.19 | $95K | +999.0% | Other |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| DMLP | DORCHESTER MINERALS, L.P. | 9 | $1.5M |
Other insiders at DORCHESTER MINERALS, L.P.
2 other tracked filers at DMLP.