Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 15, 2025
Reporting period
Not applicable
Filed with the SEC
Dec 17, 2025
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001437749-25-038191
Filed / recorded
Dec 17, 2025, 10:25 PM UTC
Added to OQRO
Oct 7, 2026, 5:51 AM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
DORCHESTER MINERALS, L.P.
Issuer CIK
1172358
Ticker
DMLP
Reporting person
Bradley J Ehrman
Relationship
Officer
Officer title
Chief Executive Officer
Security
Notional Units
Table
Derivative (Table II)
Transaction date
Dec 15, 2025
Transaction code
M
Shares / units
4,727
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
4,726
Ownership form
Direct
Amendment
No
Footnotes from the filing
Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.
Dorchester Minerals's Reporting person paid $111K out of pocket for Dorchester Minerals shares. 4 other people at Dorchester Minerals bought some too, in the same month. The Dorchester Minerals shares held grew by 25%.
Dorchester Minerals's Reporting person paid $223K out of pocket for Dorchester Minerals shares. 4 other people at Dorchester Minerals bought some too, in the same month. The Dorchester Minerals shares held grew by 40%.
Dorchester Minerals's Reporting person paid $95K out of pocket for Dorchester Minerals shares. 4 other people at Dorchester Minerals bought some too, in the same month. The Dorchester Minerals shares held grew by 25124%.