Black Stone Minerals, L.P. (BSM)
Data as of , from SEC Form 4 filings.
See up to 3 months of BSM. The 7-day demo opens the 1M and 3M ranges and puts BSM on your watchlist.
Start 7-day demoLatest BSM insider trades
About Black Stone Minerals, L.P. (BSM)
Black Stone Minerals, L.P. files with the SEC under CIK 0001621434 and is classified as crude petroleum and natural gas. We track it alongside the rest of the Energy sector.
BSM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 2,127,105 | $28.10M |
| Grant or award | 5 | 7,156 | |
| Bona-fide gift | 1 | 15,900 | |
BSM insider transactions (Form 4)
3768 Form 4 filings on record, the earliest from Oct 8, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Alexander D. Stuart - Director | Grant or award | Common units representing limited partner interests | 1,658 | $14.32 | $24K | |
| Jerry V. Kyle Jr. - Director | Grant or award | Common units representing limited partner interests | 1,309 | $14.32 | $19K | |
| William E. Randall - Director | Grant or award | Common units representing limited partner interests | 1,571 | $14.32 | $22K | |
| D. Mark Dewalch - Director | Grant or award | Common units representing limited partner interests | 1,309 | $14.32 | $19K | |
| Anne Lenoir Hamman - Director | Grant or award | Common units representing limited partner interests | 1,309 | $14.32 | $19K | |
| Alexander D. Stuart - Director | Gift | Common units representing limited partner interests | 15,900 | $0.00 | - | |
| James Whitehead - Director | Open-market sale | Common units representing limited partner interests | 498,343 | $13.21 | $6.58M | |
| James Whitehead - Director | Open-market sale | Common units representing limited partner interests | 1,628,762 | $13.21 | $21.52M | |
| Jerry V. Kyle Jr. - Director | Other | Common units representing limited partner interests | 7,665 | - footnote F1 | - | |
| ||||||
| D. Mark Dewalch - Director | Grant or award | Common units representing limited partner interests | 1,342 | $13.97 | $19K | |
| William E. Randall - Director | Grant or award | Common units representing limited partner interests | 1,610 | $13.97 | $22K | |
| Jerry V. Kyle Jr. - Director | Grant or award | Common units representing limited partner interests | 1,342 | $13.97 | $19K | |
| Alexander D. Stuart - Director | Grant or award | Common units representing limited partner interests | 1,700 | $13.97 | $24K | |
| Anne Lenoir Hamman - Director | Grant or award | Common units representing limited partner interests | 1,342 | $13.97 | $19K | |
| D. Mark Dewalch - Director | Open-market purchase | Common units representing limited partner interests | 36,363 | $13.48 footnote F1 | $490K | |
| D. Mark Dewalch - Director | Open-market purchase | Common units representing limited partner interests | 36,363 | $13.62 footnote F2 | $495K | |
| ||||||
| D. Mark Dewalch - Director | Open-market purchase | Common units representing limited partner interests | 37,650 | $13.21 footnote F1 | $497K | |
| ||||||
| Open-market purchase | Common units representing limited partner interests | 1,120 | $13.50 footnote F1 | $15K | ||
| ||||||
| Ashley J. Longmaid - Director | Open-market sale | Common units representing limited partner interests | 11,128 | $13.45 footnote F1 | $150K | |
| ||||||
| Open-market purchase | Common units representing limited partner interests | 23,604 | $13.32 footnote F1 | $314K | ||
| Open-market purchase | Common units representing limited partner interests | 25,000 | $13.47 footnote F2 | $337K | ||
| Open-market purchase | Common units representing limited partner interests | 19,154 | $13.48 footnote F3 | $258K | ||
| ||||||
| Open-market sale | Common units representing limited partner interests | 29,386 | $14.45 | $425K | ||
| Open-market sale | Common units representing limited partner interests | 29,386 | $14.45 footnote F1 | $425K | ||
| ||||||
| Jerry V. Kyle Jr. - Director | Grant or award | Common units representing limited partner interests | 1,240 | $15.12 | $19K | |
| William E. Randall - Director | Grant or award | Common units representing limited partner interests | 1,488 | $15.12 | $22K | |
| Anne Lenoir Hamman - Director | Grant or award | Common units representing limited partner interests | 473 | $15.12 | $7K | |
| Alexander D. Stuart - Director | Grant or award | Common units representing limited partner interests | 1,570 | $15.12 | $24K | |
| D. Mark Dewalch - Director | Grant or award | Common units representing limited partner interests | 1,240 | $15.12 | $19K | |
| Anne Lenoir Hamman - Director | Grant or award | Common units representing limited partner interests | 6,613 | $0.00 | - | |
| Open-market sale | Common units representing limited partner interests | 30,276 | $15.25 | $462K | ||
| Grant or award | Common units representing limited partner interests | 136,315 | $0.00 | - | ||
| Tax withholding / forfeiture | Common units representing limited partner interests | 53,641 | $15.23 | $817K | ||
| Taylor Dewalch - Officer | Grant or award | Common units representing limited partner interests | 1,958 | $0.00 | - | |
| Taylor Dewalch - Officer | Tax withholding / forfeiture | Common units representing limited partner interests | 478 | $15.23 | $7K | |
| Grant or award | Common units representing limited partner interests | 68,853 | $0.00 | - | ||
| Tax withholding / forfeiture | Common units representing limited partner interests | 25,302 | $15.23 | $385K | ||
Recent BSM Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| LACY PROPERTIES, LTD. | Director | 1,628,762 | $21.52M | View on EDGAR | |
| EAGLE GATHERING SYSTEM | Director | 498,343 |
BSM insider trading FAQ
What is the latest insider trade for BSM?
Black Stone Minerals, L.P. (BSM) had 8 insider filings in the last 90 days, with the most recent on 2026-10-05. The full record for BSM runs to 68 Form 4 filings, the earliest from 2024-10-08. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying BSM stock?
No insider purchases of BSM were filed in the last 90 days. 18 purchases are on record for this company.
How many insiders are selling BSM stock?
2 insider sales of BSM were filed in the last 90 days, totaling $28.10M.
Where can I see BSM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects BSM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Energy companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Alexander D. Stuart view on EDGAR
- - Jerry V. Kyle Jr. view on EDGAR
- - William E. Randall view on EDGAR
- - D. Mark Dewalch view on EDGAR
- - Anne Lenoir Hamman view on EDGAR
- - Alexander D. Stuart view on EDGAR
- - James Whitehead view on EDGAR
- - Jerry V. Kyle Jr. view on EDGAR
- - D. Mark Dewalch view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Energy
- Where BSM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow BSM with a 7-day demo
- BSM on your watchlist
- Every BSM Form 4 filing on record
- Up to 3 months of BSM price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive