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1 insider bought €127k of shares over the last 90 days, the latest filed 19 Aug 2026.
Dorchester Minerals, L.P.: what insiders have been doing
Dorchester Minerals, L.P., classified in the Energy sector, is a listed company. Its insiders report their share dealings to SEC (Form 4). 5 insiders have disclosed 18 filings since 18 October 2025.
Not one open-market sale was filed. On the buying side, 5 insiders reported 11 purchases totalling €950k. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Among those who bought: 2 senior executives, 1 finance chief and 1 chief executive. Dorchester Minerals Operating LP filed the largest purchase, €213k, on 13 February 2026.
In all, 6 purchases were made within 30 days of a purchase by another insider of the company. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase. The last insider purchase was made public on 19 August 2026, 60 days ago. Typically, a trade is published a median of 2 days after it takes place. The legal deadline for a Form 4 is two business days after the transaction.
For context, the typical company on the same exchange (median of 5,816 companies) published 19 filings over the same period, against 18 filings here. Our records for Dorchester Minerals, L.P. go back to 2021, with 54 purchases and no sales on the open market in total. The 10-K for the year ended 31 December 2025 shows 152.8 m USD of revenue and 57.4 m USD of net income.
For comparison within the same sector, see the insider buying recorded at RGC Resources Inc and Empire Petroleum Corp. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Insider Decl.
84
Thresholds
n/a
Buy Volume
€4M
54 ops. · all time
Sell Volume
n/a
n/a
Who traded when
BuySaleDorchester Minerals Operating LP11 buys
Leslie A. Moriyama4 buys
Bradley J. Ehrman3 buys
Frank Damon Box2 buys
Robert C. Vaughn2 buys
Since the insiders bought
- +4.4%Entry US$28.61 · Close 15 Oct 2026 US$29.87
- +7.3%Entry US$27.83 · Close 15 Oct 2026 US$29.87
- +17.8%Entry US$22.54 · Close at T+90 US$26.56
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 2,150 of 24,148 companies
74.8
score / 100
Value61
Quality88
FCF yld9.0%
Earn yld3.9%
EV/EBITDA11.8x
ROE28%
Gross mgn46%
Net mgn38%
Debt/EBITDA0.0x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$29.87
Analyst consensus
Income statement
RevenueUS$152.8M
Gross profitUS$70.7M46% margin
EBITDAUS$123.8M81% margin
Net incomeUS$57.4M45.3% margin
Valuation
PER (trailing)17.1x
P/Book4.7x
Beta0.61
Balance sheet & cash
Market capUS$1.5B
Total debtUS$777k
Free Cash FlowUS$132.5M
Debt / Equity1%
Profitability & ownership
ROE28.0%
ROA17.1%
% insiders5.9%
% institutions25.7%
Last declaration on 19 August 2026
Declarations84 total
5,197 shares@ US$28.300.010% mcap5.9% of flowCommon UnitsSEC:0001437749-26-028537:0
Canonical exit: 17 Nov 2026 (T+90)
6,000 shares@ US$28.320.014% mcap1.9% of flowCommon UnitsSEC:0001437749-26-018250:1
Canonical exit: 18 Aug 2026 (T+90)
1,500 shares@ US$28.240.0034% mcap0.5% of flowCommon UnitsSEC:0001437749-26-018250:0
Canonical exit: 18 Aug 2026 (T+90)
10,000 shares@ US$25.292.8% of flowCommon UnitsSEC:0001437749-26-004085:0
Canonical exit: 12 May 2026 (T+90)
5,000 shares@ US$22.2261.2% of flowCommon UnitsSEC:0001437749-25-038623:0
Canonical exit: 19 Mar 2026 (T+90)
4,271 shares@ US$22.19481.1% of flowCommon UnitsSEC:0001437749-25-038416:0
Canonical exit: 17 Mar 2026 (T+90)
4,727 shares0Common UnitsSEC:0001437749-25-038191:0
4,351 shares0Common UnitsSEC:0001437749-25-038194:0
4,017 shares0Common UnitsSEC:0001437749-25-037042:0
4,810 shares0Common UnitsSEC:0001437749-25-037040:0
5,000 shares@ US$21.96551.8% of flowCommon UnitsSEC:0001437749-25-036817:0
Canonical exit: 3 Mar 2026 (T+90)
16,000 shares@ US$21.6313.8% of flowCommon UnitsSEC:0001437749-25-036815:0
18,000 shares@ US$21.6316.1% of flowCommon UnitsSEC:0001437749-25-036813:0
195 shares@ US$21.364.3% of flowCommon UnitsSEC:0001437749-25-036677:0
Canonical exit: 26 Feb 2026 (T+90)
58,000 shares@ US$21.94514.4% of flowCommon UnitsSEC:0001437749-25-036675:0
4,263 shares@ US$21.4195.7% of flowCommon UnitsSEC:0001437749-25-036481:0
Canonical exit: 23 Feb 2026 (T+90)
3,041 shares@ US$21.502.6% of flowCommon UnitsSEC:0001437749-25-036479:0
Canonical exit: 23 Feb 2026 (T+90)
1,000 shares@ US$21.260.9% of flowCommon UnitsSEC:0001437749-25-036433:0
Canonical exit: 23 Feb 2026 (T+90)
4,000 shares@ US$25.56948.2% of flowCommon UnitsSEC:0001437749-25-028545:0
Canonical exit: 4 Dec 2025 (T+90)
10,000 shares@ US$28.763.3% of flowCommon UnitsSEC:0001437749-25-014101:0
Canonical exit: 29 Jul 2025 (T+90)
3,356 shares@ US$29.804.6% of flowCommon UnitsSEC:0001437749-25-006175:0
Canonical exit: 1 Jun 2025 (T+90)
335 shares@ US$31.060.1% of flowCommon UnitsSEC:0001437749-25-003192:0
Canonical exit: 7 May 2025 (T+90)
7,500 shares@ US$31.693.0% of flowCommon UnitsSEC:0001437749-25-002790:0
Canonical exit: 1 May 2025 (T+90)
10 shares@ US$33.150.0% of flowCommon UnitsSEC:0001437749-24-038558:0
Canonical exit: 30 Mar 2025 (T+90)
2,500 shares@ US$32.211.0% of flowCommon UnitsSEC:0001437749-24-038420:0
Canonical exit: 23 Mar 2025 (T+90)
25 of 84 declarations
About Dorchester Minerals, L.P.
Dorchester Minerals, L.P. (DMLP) is a United States-based energy royalty partnership listed on the NASDAQ market. Headquartered in Dallas, Texas, the company in its current form began operations on January 31, 2003, following the combination of several legacy royalty entities. Unlike a conventional exploration and production company, Dorchester does not drill wells or operate oilfields. Its business is the acquisition, ownership, and administration of mineral interests, royalty interests, overriding royalty interests, net profits interests, and related economic rights tied to oil and natural gas production across the United States.
For investors, the appeal of DMLP is its exposure to the energy cycle through an asset-light business model. Dorchester earns revenue primarily from third-party operators that produce hydrocarbons on acreage where the partnership owns royalty or mineral rights. This structure reduces capital intensity and lowers many of the operating risks associated with upstream producers, while still leaving the partnership highly exposed to commodity price swings, drilling activity, and the development decisions of operating counterparties. The portfolio is broadly diversified across multiple U.S. states and a large number of counties and parishes, which helps reduce single-basin dependence even though the business remains tied to the broader oil and gas market.
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From a competitive standpoint, Dorchester occupies a niche position within the U.S. energy landscape. It is best understood as a royalty-focused, cash-flow-oriented partnership rather than a growth-at-all-costs producer. That makes it comparable in some respects to other mineral and royalty owners, but its strategy has long centered on selectively expanding its royalty base when attractive opportunities arise. Recent SEC filings show that the partnership continued to add complementary mineral and royalty assets in 2024, including acreage in Colorado and a larger package in Texas and New Mexico. In 2025, Dorchester also reported annual earnings and announced quarterly cash distributions, reinforcing its identity as a vehicle aimed at returning cash to unitholders.
Dorchester’s “products” are not physical products but economic interests in hydrocarbon production. In practical terms, it monetizes barrels and molecules produced by operators on lands where it holds rights. Its market position is that of a specialized U.S. royalty partnership on NASDAQ, with a business model designed for investors seeking energy-sector income exposure and willing to accept commodity-driven volatility. In short, DMLP is a focused, non-operating upstream royalty platform with a long operating history, a broad U.S. asset base, and a distribution-oriented profile.
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