Welcome to our dedicated page for Black Stone Minerals L P SEC filings (Ticker: BSM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page compiles U.S. Securities and Exchange Commission filings for Black Stone Minerals, L.P. (NYSE: BSM), an oil and natural gas mineral company that owns mineral and royalty interests across 41 states in the continental United States. These filings provide detailed insight into the Partnership’s financial condition, operations, governance, and compensation practices.
Investors can use Black Stone’s annual reports on Form 10-K and quarterly reports on Form 10-Q to review revenue from oil and condensate sales, natural gas and natural gas liquids sales, lease bonus and other income, as well as production volumes, operating expenses, Adjusted EBITDA, and distributable cash flow. These reports also describe the company’s hedge positions, including volumes and fixed prices for oil and natural gas swaps, and explain how gains or losses on commodity derivative instruments affect reported results.
Current reports on Form 8-K and amendments such as Form 8-K/A document significant events, including leadership transitions, compensation decisions, and changes in governance. For example, an amended Form 8-K filing details a leadership transition effective January 1, 2026, and sets out salary and incentive targets for certain executive officers. Such filings help clarify how Black Stone structures executive roles and compensatory arrangements.
Stock Titan’s tools surface these filings as they are made available on EDGAR and apply AI-powered summaries to highlight key points from lengthy documents. Users can quickly identify items related to quarterly earnings, distribution decisions, debt and credit facility terms, hedge positions, and executive compensation, as well as track material developments reported under Item 5.02 and other sections. Form 4 and related ownership filings, when available, can be used to monitor insider transactions in BSM units. This page offers a structured view of Black Stone Minerals’ regulatory record, helping readers understand the Partnership’s financial reporting and governance over time.
Black Stone Minerals, L.P. director Michael C. Linn reported acquiring additional equity in the partnership. On January 13, 2026, he acquired 14,255 common units representing limited partner interests at a price of $0.00 per unit, indicating a no-cost issuance to him. Following this transaction, he directly holds 208,150 common units of Black Stone Minerals, as disclosed in the Form 4 insider trading report.
Black Stone Minerals director Ashley J. Longmaid reported an equity award. On 01/13/2026, Longmaid acquired 14,255 common units representing limited partner interests at a price of $0 per unit. After this grant, Longmaid directly beneficially owned 148,463 common units. This filing reflects a change in insider holdings rather than company operating performance.
Black Stone Minerals, L.P. director D. Mark DeWalch reported acquiring 14,255 common units representing limited partner interests on January 13, 2026. The units were acquired at a reported price of $0 per unit, bringing his directly held position to 392,605 common units following the transaction.
In addition to these directly held units, the filing lists indirect beneficial ownership of Black Stone Minerals common units, including 558,522 units held by DeWalch Diversified LP, 40,809 units held by the Donald Mark DeWalch Trust, and 6,749 units held by his wife.
Black Stone Minerals, L.P. director James Whitehead reported an acquisition of company equity on Form 4. On January 13, 2026, he received 14,255 common units representing limited partner interests at a price of $0 per unit, increasing his directly held stake to 51,865 common units.
In addition to these direct holdings, he also reports indirect beneficial ownership of common units through several entities, including a trust and multiple related limited partnerships and companies such as Crain Energy Ltd., Eagle Gathering System Ltd., Lacy Properties Ltd., R Lacy Services Ltd. Retirement Plan, and Crain Resources Ltd.
Black Stone Minerals, L.P. director Alexander D. Stuart reported receiving 14,255 common units representing limited partner interests on January 13, 2026, coded as an acquisition at a price of $0 per unit, which typically indicates an equity award or similar grant. After this transaction, he directly beneficially owned 2,052,705 common units.
He also reported indirect beneficial ownership of additional common units held through various entities and trusts, including 1,251,634 units by RDS Investments, L.P. and 2,112,711 units by Topsfield Energy Ltd., as well as several family and marital trusts, reflecting a broad set of affiliated holdings.
Black Stone Minerals, L.P. director Jerry V. Kyle, Jr. reported an acquisition of common units representing limited partner interests. On 01/13/2026, he acquired 14,255 common units coded as an "A" transaction at a stated price of $0 per unit, which typically indicates an equity award rather than an open-market purchase. Following this transaction, he directly beneficially owned 319,907 common units.
In addition to his direct holdings, the filing lists indirect beneficial ownership positions. These include 250,088 common units held by the Lena C Anderson Kyle 1968 Trust, 4,000 common units held by a family limited partnership, and 350,182 common units held by the Lena C A Kyle Trust, all reported as indirectly owned.
Black Stone Minerals, L.P. director William E. Randall reported acquiring 14,255 common units representing limited partner interests on January 13, 2026. The units were acquired at a reported price of $0 per unit, which is typical for equity-based awards to insiders. Following this transaction, Randall directly beneficially owns 190,286 common units of Black Stone Minerals, L.P.
Black Stone Minerals, L.P. director Carin M. Barth acquired 14,255 common units representing limited partner interests at a price of
Following this transaction, Barth beneficially owned 142,447 common units, held in direct ownership. The disclosure highlights an increase in the director’s direct equity stake in the partnership.
Black Stone Minerals, L.P. officer Erin Leah Phillips, who serves as Controller (PAO), reported a routine tax-related share transaction. On January 7, 2026, 211 common units representing limited partner interests were disposed of at $13.38 per unit under transaction code F, which the footnote explains represents tax withholding tied to the vesting of restricted common units issued under the company’s LTIP. After this withholding, Phillips beneficially owned 1,909 common units, held directly.
Black Stone Minerals, L.P. filed an initial insider ownership report for officer Erin Leah Phillips, who serves as Controller (PAO). This Form 3 shows that she beneficially owns 2,120 common units representing limited partner interests, held directly. The filing establishes her starting ownership position as a company officer, and does not report any transactions or derivative securities.
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