Traded Dec 15, 2025 · Filed Dec 17, 2025
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
option exercise
Code M — exercise or conversion of a derivative security
None found in footnotes
Only flagged when a footnote says so; never inferred
Traded Dec 19, 2025 · filed 4 days later
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%.
Traded Dec 22, 2025 · filed 1 day later
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%.
Traded Dec 17, 2025 · filed 2 days later
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%.