Black Stone Minerals, L.P. insider trading
BSM$14.56+0.08 (+0.55%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+10.7%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- CTCarter Thomas L. Jr.Not reported
- ADAlexander D. StuartNot reported
- JWJames WhiteheadNot reported
- WNWilliam N. MathisNot reported
- DDDeWalch D. MarkNot reported
- KJKyle Jerry V. Jr.Not reported
- LSLuke Stevens PutmanNot reported
- ALAnne Lenoir HammanNot reported
- MCMichael C. LinnNot reported
- WEWilliam E. RandallNot reported
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| BSM | James Whitehead | Open market sell$21.5M | -28.4% | $13.21 | $21.5M | Aug 6, 2026 | Aug 10, 2026 |
| BSM | James Whitehead | Open market sell$6.58M | -10.8% | $13.21 | $6.58M | Aug 6, 2026 | Aug 10, 2026 |
| BSM | DeWalch D. Mark | Open market purchase$495K | +3.4% | $13.62 | $495K | Jun 1, 2026 | Jun 2, 2026 |
| BSM | DeWalch D. Mark | Open market purchase$490K | +3.5% | $13.48 | $490K | May 29, 2026 | Jun 2, 2026 |
| BSM | DeWalch D. Mark | Open market purchase$497K | +3.8% | $13.21 | $497K | May 28, 2026 | May 28, 2026 |
| BSM | Carter Thomas L. Jr. | Open market purchase$15.1K | 0.0% | $13.50 | $15.1K | May 13, 2026 | May 14, 2026 |
| BSM | Ashley J. Longmaid | Open market sell$150K | -7.5% | $13.45 | $150K | May 12, 2026 | May 13, 2026 |
| BSM | Carter Thomas L. Jr. | Open market purchase$258K | +0.5% | $13.48 | $258K | May 12, 2026 | May 12, 2026 |
| BSM | Carter Thomas L. Jr. | Open market purchase$337K | +0.7% | $13.47 | $337K | May 11, 2026 | May 12, 2026 |
| BSM | Carter Thomas L. Jr. | Open market purchase$314K | +0.7% | $13.32 | $314K | May 8, 2026 | May 12, 2026 |
| BSM | Luke Stevens Putman | Open market sell$404K | -4.0% | $13.75 | $404K | May 5, 2026 | May 6, 2026 |
| BSM | Luke Stevens Putman | Open market sell$425K | -3.9% | $14.45 | $425K | Apr 6, 2026 | May 6, 2026 |
| BSM | Luke Stevens Putman | Open market sell$462K | -3.8% | $15.25 | $462K | Mar 5, 2026 | May 6, 2026 |