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Hamman Anne Lenoir reported acquisition or exercise transactions in this Form 4 filing.
Black Stone Minerals, L.P. director Anne Lenoir Hamman received a grant of 6,613 common units representing limited partner interests on March 11, 2026 at no cost. This award brings her directly held units to 6,613.
The filing also lists 502,703 common units held indirectly through a family limited partnership. A footnote states she disclaims beneficial ownership of these securities except to the extent of her pecuniary interest.
Black Stone Minerals, L.P. reported that senior vice president, general counsel, and secretary Luke Stevens Putman sold 30,276 common units representing limited partner interests in an open-market transaction on March 5, 2026 at an average price of $15.2459 per unit. After this sale, he directly holds 761,417 units.
Black Stone Minerals, L.P. Executive Chairman Carter Thomas L Jr received a grant of 136,315 common units representing limited partner interests on February 24, 2026 at no cost, as settlement of performance units under the company’s Long-Term Incentive Plan.
On the same date, 53,641 common units were disposed of at $15.23 per unit to satisfy tax withholding obligations related to this award. After these transactions, he directly held 3,613,846 common units, with additional indirect holdings reported through various family trusts, a spouse, and Carter2221, Ltd.
Black Stone Minerals, L.P. Co-CEO and President Taylor DeWalch reported equity compensation activity involving common units representing limited partner interests. On February 24, 2026, DeWalch acquired 1,958 common units at no cost as settlement of performance units under the company’s Long-Term Incentive Plan. On the same date, 478 common units were disposed of at $15.23 per unit to satisfy tax withholding obligations related to this award. After these transactions, DeWalch directly held 141,369 common units.
Black Stone Minerals, L.P. insider Putman Luke Stevens, SVP, General Counsel and Secretary, reported equity compensation activity involving common units representing limited partner interests. On February 24, 2026, he acquired 68,853 common units as a grant or award, with no cash price per unit reported.
On the same date, he disposed of 25,302 common units in a tax-withholding transaction, where the units were valued at $15.23 each to satisfy tax liabilities tied to the performance unit settlement under the company’s Long-Term Incentive Plan. Following these transactions, he directly owned 791,693 common units.
Black Stone Minerals, L.P. director and Co-CEO Carter Fowler reported incentive-based equity activity in common units representing limited partner interests. He acquired 1,330 common units on February 24, 2026 as a grant or award, bringing his direct holdings to 125,704 units immediately after the grant. On the same date, 325 common units were disposed of to cover tax withholding obligations at a price of $15.23 per unit, resulting in direct ownership of 125,379 common units. The filing notes that these transactions represent settlement of performance units awarded under the company’s Long-Term Incentive Plan.
Black Stone Minerals, L.P. senior vice president, CFO, and treasurer Chris Bonner reported equity compensation activity in common units representing limited partner interests. He acquired 1,447 common units on February 24, 2026 as a grant or award, bringing his direct holdings to 51,108 units immediately after this acquisition. On the same date, 430 common units were disposed of at $15.23 per unit to cover tax withholding obligations tied to this equity award, leaving him with 50,678 common units held directly.
Black Stone Minerals, L.P. is a large U.S. owner of oil and natural gas mineral and royalty interests, focused on leasing its acreage and collecting cost-free royalties rather than operating wells. It owns interests in about 16.9 million gross mineral acres, plus 1.8 million NPRI acres and 1.6 million ORRI acres, across 41 states and roughly 71,000 producing wells.
As of December 31, 2025, estimated proved reserves were 54,845 MBoe, about 30% oil and 70% natural gas, with 87.8% classified as proved developed. 2025 production averaged 34.6 MBoe per day, totaling 12,632 MBoe, with realized prices of $64.24 per barrel of oil and $3.41 per Mcf for natural gas and associated NGL revenue.
The portfolio is concentrated in key resource plays including Haynesville/Bossier, Bakken/Three Forks, the Midland and Delaware sub‑basins of the Permian, and the Eagle Ford. Joint exploration agreements in the Shelby Trough area with Aethon, Revenant, and Caturus set multi‑year drilling or lateral-foot commitments aimed at developing undeveloped acreage while limiting capital exposure through non‑operated working interests and farmouts. The partnership highlights extensive risk factors, including commodity price volatility, operator performance, environmental and climate regulation, and tax and governance considerations that can affect cash distributions.
Black Stone Minerals, L.P. director Anne Lenoir Hamman filed an initial ownership report showing indirect control over 502,703 common units representing limited partner interests, held through a family limited partnership. She disclaims beneficial ownership of these securities beyond her pecuniary interest in the partnership.