DORCHESTER MINERALS OPERATING LP 4

What Happened
Dorchester Minerals Operating LP, an entity under common control with Dorchester Minerals, L.P. (DMLP), purchased a total of 7,500 common units on 2026-05-20 in two open-market transactions. The filings show purchases of 1,500 units at $28.24 ($42,360) and 6,000 units at $28.32 ($169,920), totaling $212,280. These were purchases (code P), which are typically viewed as a bullish signal relative to sales, though no motives are stated.

Key Details

• Transaction dates and prices:
  • 2026-05-20: 1,500 units @ $28.24 = $42,360
  • 2026-05-20: 6,000 units @ $28.32 = $169,920
• Total acquired: 7,500 units for $212,280.
• Filing date: 2026-05-22 (reporting the 2026-05-20 transactions) — appears timely based on Form 4 rules.
• Shares owned after the transaction: Not specified in the provided filing excerpt.
• Footnote: F1 — the purchases were made under a 10b5-1 trading plan adopted on 2025-11-12 (this indicates trades may have been pre-scheduled).
• Transaction code: P = Purchase (open market or private purchase).

Context
These trades were executed by an entity under common control rather than an individual officer; such entity transactions can reflect affiliate activity rather than direct insider moves by a named executive. The presence of a 10b5-1 plan means the trades may have been pre-arranged and not the result of recent company-specific information. As always, purchases are informative but do not guarantee future stock performance.