Transactions
1
Insider / DORCHESTER MINERALS, L.P.
Box Frank Damon
Director at DORCHESTER MINERALS, L.P.
- Company
- DORCHESTER MINERALS, L.P.
- Ticker
- DMLP
- First filing on record
- December 3, 2025
- Latest trade on record
- December 3, 2025
- SEC filings
- EDGAR ↗
Box Frank Damon, Director at DORCHESTER MINERALS, L.P., has disclosed 1 transaction in DMLP since December 3, 2025: 1 purchase (1 open-market buy) and 0 sales, worth about $110K at the reported prices. The latest was filed December 3, 2025, 0 days after the trade.
Open-market buys
1
Sales
0
Avg. disclosure lag
0.0d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)
In the last 12 months Box Frank Damon made 1 purchase worth $110K and no sales. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Box Frank Damon has traded 1 stock on record; the largest by dollars is DMLP.
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| P | Open-market purchase | 1 | 5,000 | $110K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2025 | 1 | 1 · $110K | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| DMLP | Buy P | December 3, 2025 | December 3, 2025 | 0d | 5,000 | $22 | $110K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| December 3, 2025 | Form 4 | 0001437749-25-036817 | 1 | published | EDGAR ↗ |
Other insiders at DORCHESTER MINERALS, L.P.
- DORCHESTER MINERALS OPERATING LP Insider 13 rows
- EHRMAN BRADLEY J Chief Executive Officer 12 rows
- MORIYAMA LESLIE A Chief Financial Officer 11 rows
- VAUGHN ROBERT C Director 3 rows
Everyone on file, with contracts and lobbying under the company's name: DORCHESTER MINERALS, L.P..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 1 | 1 | December 3, 2025 | December 3, 2025 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.