DMLP Dorchester Minerals

• $2.3M bought by 5 insiders
• None no sales outside a trading plan
• None no planned (10b5-1) sales

1. Insider
   Trade
   Value
   Traded, filed
2. Leslie A Moriyama CFO
   Buy
   $147K 5,197 shares at $28.30 +5.3% to stake
   Traded Aug 19 Filed Aug 19
   ↗
3. Dorchester Minerals Operating LP Insider
   Buy
   $207K 7,500 shares at $27.56 +12% to stake
   Traded Jun 1 Filed Jun 2
   ↗
4. Dorchester Minerals Operating LP Insider
   Buy
   $212K 7,500 shares at $28.30 +14% to stake
   Traded May 20 Filed May 22
   ↗
5. Bradley J Ehrman CEO
   Buy
   $107K 4,000 shares at $26.78 +2.9% to stake
   Traded May 12 Filed May 12
   ↗
6. Dorchester Minerals Operating LP Insider
   Buy
   $505K 20,000 shares at $25.24 +57% to stake
   Traded Feb 11–13 Filed Feb 13
   ↗
7. Dorchester Minerals Operating LP Insider
   Buy
   $334K 15,000 shares at $22.27 +75% to stake
   Traded Dec 19–22 Filed Dec 23, 2025
   ↗
8. Dorchester Minerals Operating LP Insider
   Buy
   $445K 20,000 shares at $22.26 +117647% to stake
   Traded Dec 17–18 Filed Dec 19, 2025
   ↗
9. Frank Damon Box Director
   Buy
   $110K 5,000 shares at $21.97 +125% to stake
   Traded Dec 3, 2025 Filed Dec 3, 2025
   ↗
10. Robert C Vaughn Director
    Buy
    $4,165 195 shares at $21.36 +1% to stake
    Traded Nov 28, 2025 Filed Dec 2, 2025
    ↗
11. Robert C Vaughn Director
    Buy
    $99K 4,615 shares at $21.41 +29% to stake
    Traded Nov 25, 2025 Filed Nov 28, 2025
    ↗
12. Leslie A Moriyama CFO
    Buy
    $65K 3,041 shares at $21.50 +3.8% to stake
    Traded Nov 25, 2025 Filed Nov 28, 2025
    ↗
13. Bradley J Ehrman CEO
    Buy
    $75K 3,487 shares at $21.50 +3% to stake
    Traded Nov 25–26 Filed Nov 26, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 6 share withholdings for taxes, 4 option exercises, 2 stock grants, and 1 other transaction.