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Page built 2026-09-29
Data as of 2026-09-29
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DORCHESTER MINERALS OPERATING: insider trades

Every open market trade DORCHESTER MINERALS OPERATING has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • DORCHESTER MINERALS OPERATING is listed as Entity Under Common Control at DMLP.
  • Between 2026-05-22 (22 May 2026) and 2026-06-02 (2 June 2026) DORCHESTER MINERALS OPERATING filed 2 open market buys worth $419K and 0 open market sales worth $0.
  • Across 2 scored buys, DORCHESTER MINERALS OPERATING averaged +7.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 2 $419K
Open market sales 0 $0
Avg vs S&P, 90d +7.8% 2 scored buys
Beat the S&P 100% 90 days after entry

Would copying DORCHESTER MINERALS OPERATING have paid?

prices as of 2026-09-28

The result. Across 2 scored buys, DORCHESTER MINERALS OPERATING averaged +7.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.

Average return of DORCHESTER MINERALS OPERATING's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 2 -7.5% 0% 2 n/a too few trades to draw a conclusion
90 days 2 +7.8% 100% 2 n/a too few trades to draw a conclusion
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. DORCHESTER MINERALS OPERATING does not have enough yet.

Stocks traded

  1. DMLP2 trades, $419K

Every open market trade

as of 2026-09-29
2 trades.
Open market trades filed by DORCHESTER MINERALS OPERATING, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
2 Jun 2026 DMLP buy 7,500 $27.56 $207K +7.5%
22 May 2026 DMLP buy 7,500 $28.30 $212K +8.0%

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has DORCHESTER MINERALS OPERATING bought and sold?

Between 2026-05-22 (22 May 2026) and 2026-06-02 (2 June 2026) DORCHESTER MINERALS OPERATING filed 2 open market buys worth $419K and 0 open market sales worth $0.

Did DORCHESTER MINERALS OPERATING's buys beat the market?

Across 2 scored buys, DORCHESTER MINERALS OPERATING averaged +7.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.