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.
Black Stone Minerals, L.P. filings document the reporting obligations of a publicly traded oil and natural gas mineral and royalty partnership. Current reports on Form 8-K furnish quarterly and annual operating results, mineral and royalty production, working-interest volumes, net income, Adjusted EBITDA, distributable cash flow, cash distributions, distribution coverage, debt, and guidance.
Proxy materials describe annual limited partner voting matters, including elections to the Board of Directors of the partnership’s general partner. Other 8-K disclosures record governance and executive matters, including completed officer and director appointments, compensation arrangements, and amendments to prior material-event reports. Together, the filings cover operating performance, capital structure, unitholder distributions, governance, and risk-related public-company disclosure for BSM.
Black Stone Minerals (BSM) filed a current report announcing it furnished a press release with its third quarter 2025 financial and operating results. The press release, dated November 3, 2025, is included as Exhibit 99.1 under Item 2.02 (Results of Operations and Financial Condition).
The information in this report, including Exhibit 99.1, is being furnished, not filed, under the Exchange Act and is not subject to Section 18 liabilities, nor incorporated by reference into Securities Act filings except as expressly stated.
Black Stone Minerals, L.P. (BSM) director D. Mark DeWalch elected to receive part of his board cash retainer in common units, acquiring 1,426 common units at a reported price of $13.14 on 10/03/2025. After the transaction, the filing reports 376,940 units held directly and an aggregate of 605, () 606,080 units held indirectly through DeWalch Diversified LP, the Donald Mark DeWalch Trust, and spouse, for a combined beneficial ownership of 982,020 units. The filing is a routine Section 16 disclosure noting distribution of board compensation in equity rather than cash.
William E. Randall, a director of Black Stone Minerals, L.P. (BSM), received 1,426 common units on 10/03/2025 at a price of $13.14 per unit, bringing his total beneficial ownership to 174,494 common units. The units were issued because he elected to receive common units in lieu of a cash retainer for board service. The transaction was reported on Form 4 and signed by an attorney-in-fact on 10/07/2025. This is a routine director compensation election and does not disclose any derivative transactions or other changes to previously reported holdings.
Insider purchase increases board member stake in Black Stone Minerals. Director Jerry V. Kyle Jr. received 1,426 common units as compensation in lieu of a cash retainer, executed on 10/03/2025 at an indicated price of $13.14 per unit. After the transaction his reported beneficial ownership totals 304,242 common units directly, plus additional indirect holdings of 250,088 units (held by the Kyle 1968 Trust), 4,000 units (family limited partnership), and 350,182 units (Lena C A Kyle Trust).
The filing is routine Section 16 reporting: the acquisition was made under a prior arrangement to receive units instead of cash for board service. The form was signed by an attorney-in-fact on 10/07/2025. No derivative transactions or sales are reported.
Director William N. Mathis reported a non-derivative acquisition of 2,378 common units of Black Stone Minerals, L.P. (BSM) on 10/03/2025 at a price of $13.14 per unit, increasing his direct holdings to 246,200 units. The Form 4 shows multiple indirect holdings tied to family trusts and affiliated entities, the largest being 842,637 units held by WM Capital Partners, L.P., and other indirect holdings ranging from 10,436 to 324,763 units. The filing states the acquisition resulted from electing to receive common units in lieu of a cash board retainer for service as a director.
Stuart Alexander D., a director of Black Stone Minerals, L.P. (BSM), reported acquiring 1,712 common units on 10/03/2025 by electing to receive units instead of a cash board retainer. The reported per‑unit price for that election was $13.14. After the reported transaction, the filing shows 2,036,757 common units beneficially owned in total, with the majority held indirectly through a series of trusts and entities (including RDS Investments, L.P. and Topsfield Energy Ltd.). The filing is signed by an attorney‑in‑fact on behalf of the reporting person on 10/07/2025.
Black Stone Minerals, L.P. furnished an investor presentation under a Regulation FD disclosure. On September 16, 2025, the partnership posted an updated investor presentation on its investor relations website and furnished the same presentation as Exhibit 99.1 to this report. The materials are intended for use in conferences and meetings with investors and are incorporated by reference solely for this Regulation FD item. The partnership states that this information, including the exhibit, is furnished rather than filed, so it is not subject to Section 18 liability under the Exchange Act and will only be incorporated into other securities filings if specifically referenced.
Insider purchases increased both direct and indirect stakes in Black Stone Minerals (BSM). Thomas L. Carter Jr., who serves as CEO, President and Chairman and is also a director, reported three open‑market purchases executed on 09/08/2025, 09/09/2025 and 09/10/2025 totaling 25,370 common units at weighted average prices in ranges of $11.88–$11.91, $12.04–$12.10 and $12.22–$12.38, respectively. Following the reported transactions the filing shows 3,497,401 common units beneficially owned directly by the reporting person. The Form 4 also discloses significant indirect holdings through trusts and entities, including 11,481,503 units held by Carter2221, Ltd., and multiple 1995 trusts and spouse holdings. The filing is a routine Section 16 disclosure of insider purchases and beneficial ownership.
Black Stone Minerals, L.P. entered into a Unitholder Agreement with AP Basileia SPV, LLC on August 22, 2025. Under this agreement, AP Basileia must vote all of its preferred units and any additional securities acquired under the agreement in line with recommendations of the Board of Directors of the Partnership’s general partner on all ordinary course matters submitted to limited partners.
In return, Black Stone Minerals agreed not to exercise its right to redeem these preferred units from the execution date through November 27, 2027. For the same period, AP Basileia agreed to a customary standstill regarding the Partnership and may not transfer its preferred or acquired securities unless any transferee agrees in writing to be bound by the same terms, subject to specified exceptions.
Thomas L. Carter Jr., CEO, President and Chairman of Black Stone Minerals, L.P. (BSM), reported insider purchases on 08/19/2025 and 08/20/2025. He acquired 20,000 common units on 08/19/2025 at a weighted-average price of $11.9665, bringing his direct holdings to 3,451,031 units. He acquired 21,000 common units on 08/20/2025 at a weighted-average price of $12.0295, increasing direct holdings to 3,472,031 units. The filing also lists substantial indirect beneficial ownership through several trusts, spouse, and Carter2221, Ltd., totaling over 11 million units indirectly.