Company profile

DORCHESTER MINERALS, L.P. insider acquisitions

Company CIK 0001172358 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
DMLP · Nasdaq

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 23, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 30-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.DORCHESTER MINERALS OPERATING LPDORCHESTER MINERALS OPERA…MORIYAMA LESLIE AMORIYAMA LESLIE AEHRMAN BRADLEY JEHRMAN BRADLEY JBox Frank DamonBox Frank DamonVAUGHN ROBERT CVAUGHN ROBERT CDORCHESTER MINERALS OPERATING LP · December 22, 2025 · Purchase · Common UnitsDORCHESTER MINERALS OPERATING LP · December 19, 2025 · Purchase · Common UnitsDORCHESTER MINERALS OPERATING LP · December 18, 2025 · Purchase · Common UnitsDORCHESTER MINERALS OPERATING LP · December 17, 2025 · Purchase · Common UnitsMORIYAMA LESLIE A · December 15, 2025 · Exercise / conversion · Common UnitsEHRMAN BRADLEY J · December 15, 2025 · Exercise / conversion · Common UnitsMORIYAMA LESLIE A · December 3, 2025 · Exercise / conversion · Common UnitsEHRMAN BRADLEY J · December 3, 2025 · Exercise / conversion · Common UnitsBox Frank Damon · December 3, 2025 · Purchase · Common UnitsMORIYAMA LESLIE A · December 1, 2025 · Stock award · Notional UnitsMORIYAMA LESLIE A · December 1, 2025 · Stock award · Common UnitsEHRMAN BRADLEY J · December 1, 2025 · Stock award · Notional UnitsEHRMAN BRADLEY J · December 1, 2025 · Stock award · Common UnitsVAUGHN ROBERT C · November 28, 2025 · Purchase · Common UnitsVAUGHN ROBERT C · November 25, 2025 · Purchase · Common UnitsVAUGHN ROBERT C · November 25, 2025 · Purchase · Common UnitsMORIYAMA LESLIE A · November 25, 2025 · Purchase · Common UnitsEHRMAN BRADLEY J · November 26, 2025 · Purchase · Common UnitsEHRMAN BRADLEY J · November 25, 2025 · Purchase · Common UnitsNov 25, 2025Dec 22, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

19 dated transactions · 5 of 5 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 22, 2025DORCHESTER MINERALS, L.P.Common UnitsDORCHESTER MINERALS OPERATING LPPurchase
Dec 19, 2025DORCHESTER MINERALS, L.P.Common UnitsDORCHESTER MINERALS OPERATING LPPurchase
Dec 18, 2025DORCHESTER MINERALS, L.P.Common UnitsDORCHESTER MINERALS OPERATING LPPurchase
Dec 17, 2025DORCHESTER MINERALS, L.P.Common UnitsDORCHESTER MINERALS OPERATING LPPurchase
Dec 15, 2025DORCHESTER MINERALS, L.P.Common UnitsMORIYAMA LESLIE AExercise / conversion
Dec 15, 2025DORCHESTER MINERALS, L.P.Common UnitsEHRMAN BRADLEY JExercise / conversion
Dec 3, 2025DORCHESTER MINERALS, L.P.Common UnitsMORIYAMA LESLIE AExercise / conversion
Dec 3, 2025DORCHESTER MINERALS, L.P.Common UnitsEHRMAN BRADLEY JExercise / conversion
Dec 3, 2025DORCHESTER MINERALS, L.P.Common UnitsBox Frank DamonPurchase
Dec 1, 2025DORCHESTER MINERALS, L.P.Notional UnitsMORIYAMA LESLIE AStock award
Dec 1, 2025DORCHESTER MINERALS, L.P.Common UnitsMORIYAMA LESLIE AStock award
Dec 1, 2025DORCHESTER MINERALS, L.P.Notional UnitsEHRMAN BRADLEY JStock award
Dec 1, 2025DORCHESTER MINERALS, L.P.Common UnitsEHRMAN BRADLEY JStock award
Nov 28, 2025DORCHESTER MINERALS, L.P.Common UnitsVAUGHN ROBERT CPurchase
Nov 25, 2025DORCHESTER MINERALS, L.P.Common UnitsVAUGHN ROBERT CPurchase
Nov 25, 2025DORCHESTER MINERALS, L.P.Common UnitsVAUGHN ROBERT CPurchase
Nov 25, 2025DORCHESTER MINERALS, L.P.Common UnitsMORIYAMA LESLIE APurchase
Nov 26, 2025DORCHESTER MINERALS, L.P.Common UnitsEHRMAN BRADLEY JPurchase
Nov 25, 2025DORCHESTER MINERALS, L.P.Common UnitsEHRMAN BRADLEY JPurchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

DMLP · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
DORCHESTER MINERALS OPERATING LPEntity Under Common Control
PurchaseCommon UnitsNon-derivative security · Code P10,00022.2994Value: 222,994Currency not specifiedView ↗
Trade:
DORCHESTER MINERALS OPERATING LPEntity Under Common Control
PurchaseCommon UnitsNon-derivative security · Code P5,00022.226Value: 111,130Currency not specifiedView ↗
Trade:
DORCHESTER MINERALS OPERATING LPEntity Under Common Control
PurchaseCommon UnitsNon-derivative security · Code P15,72922.2787Value: 350,421.6723Currency not specifiedView ↗
Trade:
DORCHESTER MINERALS OPERATING LPEntity Under Common Control
PurchaseCommon UnitsNon-derivative security · Code P4,27122.1948Value: 94,793.9908Currency not specifiedView ↗
Trade:
MORIYAMA LESLIE AChief Financial Officer
Exercise / conversionCommon UnitsNon-derivative security · Code M4,3510Value: 0Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
Exercise / conversionCommon UnitsNon-derivative security · Code M4,7270Value: 0Currency not specifiedView ↗
Trade:
MORIYAMA LESLIE AChief Financial Officer
Exercise / conversionCommon UnitsNon-derivative security · Code M4,0170Value: 0Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
Exercise / conversionCommon UnitsNon-derivative security · Code M4,8100Value: 0Currency not specifiedView ↗
Trade: PurchaseCommon UnitsNon-derivative security · Code P5,00021.965Value: 109,825Currency not specifiedView ↗
Trade:
MORIYAMA LESLIE AChief Financial Officer
Stock awardNotional UnitsDerivative security · Code A16,0000Value: 0Currency not specifiedView ↗
Trade:
MORIYAMA LESLIE AChief Financial Officer
Stock awardCommon UnitsNon-derivative security · Code A16,00021.63Value: 346,080Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
Stock awardNotional UnitsDerivative security · Code A18,0000Value: 0Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
Stock awardCommon UnitsNon-derivative security · Code A18,00021.63Value: 389,340Currency not specifiedView ↗
Trade: PurchaseCommon UnitsNon-derivative security · Code P19521.36Value: 4,165.2Currency not specifiedView ↗
Trade: PurchaseCommon UnitsNon-derivative security · Code P35221.39Value: 7,529.28Currency not specifiedView ↗
Trade: PurchaseCommon UnitsNon-derivative security · Code P4,26321.41Value: 91,270.83Currency not specifiedView ↗
Trade:
MORIYAMA LESLIE AChief Financial Officer
PurchaseCommon UnitsNon-derivative security · Code P3,04121.5Value: 65,381.5Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
PurchaseCommon UnitsNon-derivative security · Code P2,48721.6Value: 53,719.2Currency not specifiedView ↗
Trade:
EHRMAN BRADLEY JChief Executive Officer
PurchaseCommon UnitsNon-derivative security · Code P1,00021.26Value: 21,260Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →