DORCHESTER MINERALS (DMLP) stock: insider trades, news & valuation
Energy · Strong buyingShare price and insider trades
DORCHESTER MINERALS insider trading at a glance (Oct 9, 2026): in the past 12 months, 5 insiders bought $2.3M and 0 sold $0 of DMLP stock on the open market, including a cluster buy that began Nov 25, 2025; P/E 17.0 vs. a sector median of 19.0.
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DMLP insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $147K | 1 | — | 0 |
| Q2 2026 | $526K | 6 | — | 0 |
| Q1 2026 | $505K | 3 | — | 0 |
| Q4 2025 | $1.1M | 11 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 5 DORCHESTER MINERALS, L.P. insiders reported open-market purchases totaling $2.3M, while 0 insiders reported sales totaling $0. The most recent cluster buy began on Nov 25, 2025, when 4 insiders bought a combined $341K. Among insiders with enough purchase history to measure, Dorchester Minerals Operating Lp (Entity Under Common Control) has the highest Insider Score at 82.
DMLP stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 19SEC | Leslie A MoriyamaCFO | Buy | 5,197103,405 held (+5%) | $28.30 | $147K | +5.1% | — |
| Jun 2SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 4,00170,017 held (+6%) | $27.50 | $110K | +8.2% | 82 |
| Jun 2SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 2,50065,017 held (+4%) | $27.64 | $69K | +7.6% | 82 |
| Jun 2SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 99966,016 held (+2%) | $27.62 | $28K | +7.7% | 82 |
| May 22SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 6,00062,517 held (+11%) | $28.32 | $170K | +5.0% | 82 |
| May 22SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 1,50056,517 held (+3%) | $28.24 | $42K | +5.3% | 82 |
| May 12SEC | Bradley J EhrmanCEO | Buy | 4,000142,723 held (+3%) | $26.78 | $107K | +11.1% | 66 |
| Feb 13SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 10,00045,017 held (+29%) | $25.29 | $253K | +17.6% | 82 |
| Feb 13SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 5,00055,017 held (+10%) | $25.29 | $126K | +17.6% | 82 |
| Feb 13SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 5,00050,017 held (+11%) | $25.08 | $125K | +18.6% | 82 |
| Dec 23SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 10,00035,017 held (+40%) | $22.30 | $223K | +33.4% | 82 |
| Dec 23SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 5,00025,017 held (+25%) | $22.23 | $111K | +33.8% | 82 |
| Dec 19SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 15,72920,017 held (+367%) | $22.28 | $350K | +33.5% | 82 |
| Dec 19SEC | Dorchester Minerals Operating LpEntity Under Common Control | Buy | 4,2714,288 held (+25124%) | $22.19 | $95K | +34.1% | 82 |
| Dec 3SEC | Frank Damon BoxDirector | Buy | 5,0009,000 held (+125%) | $21.97 | $110K | +35.4% | — |
| Dec 2SEC | Robert C VaughnDirector | Buy | 19520,547 held (+1%) | $21.36 | $4K | +39.3% | — |
| Nov 28SEC | Robert C VaughnDirector | Buy | 4,26320,000 held (+27%) | $21.41 | $91K | +39.0% | — |
| Nov 28SEC | Leslie A MoriyamaCFO | Buy | 3,04183,673 held (+4%) | $21.50 | $65K | +38.4% | — |
| Nov 28SEC | Robert C VaughnDirector | Buy | 35220,352 held (+2%) | $21.39 | $8K | +39.1% | — |
| Nov 26SEC | Bradley J EhrmanCEO | Buy | 2,487121,197 held (+2%) | $21.60 | $54K | +37.7% | 66 |
| Nov 26SEC | Bradley J EhrmanCEO | Buy | 1,000118,710 held (+1%) | $21.26 | $21K | +39.9% | 66 |
Insiders at DORCHESTER MINERALS, L.P.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Dorchester Minerals Operating LpEntity Under Common Control | $1.7M | — | Jun 2, 2026 | 82 |
| Leslie A MoriyamaCFO | $212K | — | Aug 19, 2026 | — |
| Bradley J EhrmanCEO | $182K | — | May 12, 2026 | 66 |
| Frank Damon BoxDirector | $110K | — | Dec 3, 2025 | — |
| Robert C VaughnDirector | $103K | — | Dec 2, 2025 | — |
Insider activity at other Energy companies
Same sector, ranked by insider buying in the last 90 days.
DMLP stock: common questions
Are DORCHESTER MINERALS, L.P. insiders buying DMLP stock?
In the past 12 months, 5 insiders reported open-market purchases of DMLP worth $2.3M. The latest was CFO Leslie A Moriyama bought $147K of DMLP at $28.30 — largest purchase by this insider in our records.
Are DORCHESTER MINERALS, L.P. insiders selling DMLP stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is DMLP's P/E ratio?
DMLP trades at about 17.0 times trailing earnings, compared with a median of 19.0 for the Energy sector.
What is DMLP's 52-week range?
Over the past year DMLP has traded between $19.34 and $30.41. It last closed at $29.75 on Oct 9, 2026.