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Black Stone Minerals, L.P. (BSM) XNYS CRUDE PETROLEUM & NATURAL GAS Net insider selling (90d)
Latest BSM Insider Trades
About Black Stone Minerals, L.P. (BSM) Black Stone Minerals LP is an oil and natural gas mineral company. It owns oil and natural gas mineral interests, which makes up the majority of its asset base. Its business is actively managing an existing portfolio of mineral and royalty assets to maximize its value and expanding asset base through acquisitions of additional mineral and royalty interests. The company owns mineral interests in approximately 16.9 million gross acres.
Headquarters HOUSTON, TX
Employees 122
Listed 2015
Exchange XNYS https://www.blackstoneminerals.com SEC filings for BSM on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market purchase 2 72,726 $985K Open-market sale 2 2,127,105 $28.10M Grant or award 5 7,336
BSM Insider Transactions (Form 4) 39 63 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 Aug 18, 2026 AS Alexander D. Stuart - Director Gift Common units representing limited partner interests
Recent BSM Form 8-K Filings 4
Recent BSM Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 6, 2026 LACY PROPERTIES, LTD. Director 1,628,762 $21.52M View on EDGAR Aug 6, 2026 EAGLE GATHERING SYSTEM Director
BSM Insider Trading - FAQ
What is the latest insider trade for BSM? Black Stone Minerals, L.P. (BSM) had 9 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for BSM runs to 63 Form 4 filings, the earliest from 2024-10-08. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying BSM stock? 2 insider purchases of BSM were filed in the last 90 days, totaling $985K.
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 tracks BSM Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow BSM insider buys? Create a free InsiderAlpha account and press Watch on this page to add BSM to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Energy Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track BSM insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Open-market purchase $490K
Market cap $3.14B
P/E ratio -
Dividend yield -
Average volume 372.6K
52 week high $15.49
52 week low $11.78
Today's high $14.97
Today's low $14.75
Open $14.88
Volume 254.1K
Previous close $14.93
Shares outstanding 212.71M Market cap
$3.14B
122 employees
BSM Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
3% Buying 97% Selling
2 insider purchases totaling $985K against 2 sales totaling $28.10M.
Most-Active BSM Insiders - Last 90 Days 10 Other acquisition / disposition 1 7,665
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 6, 2026 JW James Whitehead - Director Open-market sale Common units representing limited partner interests 498,343 $13.21 $6.58M
Aug 6, 2026 JW James Whitehead - Director Open-market sale Common units representing limited partner interests 1,628,762 $13.21 $21.52M
Jul 31, 2026 JJ Jerry V. Kyle Jr. - Director Other Common units representing limited partner interests 7,665 - -
Jul 2, 2026 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 1,342 $13.97 $19K
Jul 2, 2026 WR William E. Randall - Director Grant or award Common units representing limited partner interests 1,610 $13.97 $22K
Jul 2, 2026 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 1,342 $13.97 $19K
Jul 2, 2026 AS Alexander D. Stuart - Director Grant or award Common units representing limited partner interests 1,700 $13.97 $24K
Jul 2, 2026 AH Anne Lenoir Hamman - Director Grant or award Common units representing limited partner interests 1,342 $13.97 $19K
May 29, 2026 DD D. Mark Dewalch - Director Open-market purchase Common units representing limited partner interests 36,363 $13.48 $490K
Jun 1, 2026 DD D. Mark Dewalch - Director Open-market purchase Common units representing limited partner interests 36,363 $13.62 $495K
May 28, 2026 DD D. Mark Dewalch - Director Open-market purchase Common units representing limited partner interests 37,650 $13.21 $497K
May 13, 2026 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 1,120 $13.50 $15K
May 12, 2026 AL Ashley J. Longmaid - Director Open-market sale Common units representing limited partner interests 11,128 $13.45 $150K
May 8, 2026 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 23,604 $13.32 $314K
May 11, 2026 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 25,000 $13.47 $337K
May 12, 2026 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 19,154 $13.48 $258K
Apr 6, 2026 LP Luke Stevens Putman - Officer Open-market sale Common units representing limited partner interests 29,386 $14.45 $425K
Apr 6, 2026 LP Luke Stevens Putman - Officer Open-market sale Common units representing limited partner interests 29,386 $14.45 $425K
Apr 2, 2026 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 1,240 $15.12 $19K
Apr 2, 2026 WR William E. Randall - Director Grant or award Common units representing limited partner interests 1,488 $15.12 $22K
Apr 2, 2026 AH Anne Lenoir Hamman - Director Grant or award Common units representing limited partner interests 473 $15.12 $7K
Apr 2, 2026 AS Alexander D. Stuart - Director Grant or award Common units representing limited partner interests 1,570 $15.12 $24K
Apr 2, 2026 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 1,240 $15.12 $19K
Mar 11, 2026 AH Anne Lenoir Hamman - Director Grant or award Common units representing limited partner interests 6,613 $0.00 -
Mar 5, 2026 LP Luke Stevens Putman - Officer Open-market sale Common units representing limited partner interests 30,276 $15.25 $462K
Feb 24, 2026 TJ Thomas L. Carter Jr. - Officer Grant or award Common units representing limited partner interests 136,315 $0.00 -
Feb 24, 2026 TJ Thomas L. Carter Jr. - Officer Tax withholding / forfeiture Common units representing limited partner interests 53,641 $15.23 $817K
Feb 24, 2026 TD Taylor Dewalch - Officer Grant or award Common units representing limited partner interests 1,958 $0.00 -
Feb 24, 2026 TD Taylor Dewalch - Officer Tax withholding / forfeiture Common units representing limited partner interests 478 $15.23 $7K
Feb 24, 2026 LP Luke Stevens Putman - Officer Grant or award Common units representing limited partner interests 68,853 $0.00 -
Feb 24, 2026 LP Luke Stevens Putman - Officer Tax withholding / forfeiture Common units representing limited partner interests 25,302 $15.23 $385K
Feb 24, 2026 FC Fowler Carter - Officer Grant or award Common units representing limited partner interests 1,330 $0.00 -
Feb 24, 2026 FC Fowler Carter - Officer Tax withholding / forfeiture Common units representing limited partner interests 325 $15.23 $5K
Feb 24, 2026 CB Chris Bonner - Officer Tax withholding / forfeiture Common units representing limited partner interests 430 $15.23 $7K
Feb 24, 2026 CB Chris Bonner - Officer Grant or award Common units representing limited partner interests 1,447 $0.00 -
Feb 4, 2026 FC Fowler Carter - Officer Grant or award Common units representing limited partner interests 80,106 $0.00 -
Feb 4, 2026 EP Erin Leah Phillips - Officer Grant or award Common units representing limited partner interests 2,002 $0.00 -
Feb 4, 2026 LP Luke Stevens Putman - Officer Grant or award Common units representing limited partner interests 65,420 $0.00 -
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