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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) 36 63 Form 4 filings on record, the earliest from Oct 8, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value Feb 4, 2026 CB Chris Bonner - Officer Grant or award Common units representing limited partner interests 42,723
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.
Feb 4, 2026 TD Taylor Dewalch - Officer Grant or award Common units representing limited partner interests 80,106 $0.00 -
Feb 4, 2026 TJ Thomas L. Carter Jr. - Officer Grant or award Common units representing limited partner interests 53,404 $0.00 -
Jan 13, 2026 ML Michael C. Linn - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 AL Ashley J. Longmaid - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 JW James Whitehead - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 AS Alexander D. Stuart - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 WR William E. Randall - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 13, 2026 CB Carin Marcy Barth - Director Grant or award Common units representing limited partner interests 14,255 $0.00 -
Jan 7, 2026 EP Erin Leah Phillips - Officer Tax withholding / forfeiture Common units representing limited partner interests 211 $13.38 $3K
Oct 3, 2025 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 1,426 $13.14 $19K
Oct 3, 2025 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 1,426 $13.14 $19K
Oct 3, 2025 WM William N. Mathis - Director Grant or award Common units representing limited partner interests 2,378 $13.14 $31K
Oct 3, 2025 WR William E. Randall - Director Grant or award Common units representing limited partner interests 1,426 $13.14 $19K
Oct 3, 2025 AS Alexander D. Stuart - Director Grant or award Common units representing limited partner interests 1,712 $13.14 $22K
Sep 11, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 1,300 $12.39 $16K
Sep 12, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 14,000 $12.59 $176K
Sep 8, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 13,527 $11.90 $161K
Sep 9, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 1,307 $12.07 $16K
Sep 10, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 10,536 $12.32 $130K
Aug 19, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 20,000 $11.97 $239K
Aug 20, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 21,000 $12.03 $253K
Aug 15, 2025 AS Alexander D. Stuart - Director Gift Common units representing limited partner interests 20,200 $0.00 -
Aug 12, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 9,200 $12.36 $114K
Aug 7, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 19,710 $12.24 $241K
Aug 8, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 27,500 $12.20 $336K
Aug 11, 2025 TJ Thomas L. Carter Jr. - Officer Open-market purchase Common units representing limited partner interests 25,000 $12.10 $303K
Jul 3, 2025 WM William N. Mathis - Director Grant or award Common units representing limited partner interests 1,624 $13.08 $21K
Jul 3, 2025 WR William E. Randall - Director Grant or award Common units representing limited partner interests 1,433 $13.08 $19K
Jul 3, 2025 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 1,433 $13.08 $19K
Jul 3, 2025 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 1,433 $13.08 $19K
Jul 3, 2025 AS Alexander D. Stuart - Director Grant or award Common units representing limited partner interests 1,720 $13.08 $22K
Oct 4, 2024 JJ Jerry V. Kyle Jr. - Director Grant or award Common units representing limited partner interests 1,241 $15.10 $19K
Oct 4, 2024 DD D. Mark Dewalch - Director Grant or award Common units representing limited partner interests 1,241 $15.10 $19K
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