Every Form 4 that Black Stone Minerals, L.P. (BSM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow BSM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full BSM filings page.
Black Stone Minerals, L.P. director Alexander D. Stuart reported acquiring additional common units representing limited partner interests. On 01/02/2026 he received 1,693 common units, reported as an acquisition at a price of $13.29 per unit, under a previous arrangement to take board cash retainers in equity instead.
Following this transaction, he is shown as directly owning 2,038,450 common units. He also reports significant indirect ownership through various entities and trusts, including 1,251,634 common units held by RDS Investments, L.P. and 2,112,711 common units held by Topsfield Energy Ltd., along with additional indirect holdings through multiple family and marital trusts.
Black Stone Minerals, L.P. director William E. Randall reported acquiring additional equity in the partnership through board compensation. On 01/02/2026, he received 1,537 common units representing limited partner interests at a price of $13.29 per unit, electing to take units instead of a cash retainer for his service on the Board of Directors of the partnership's general partner. Following this transaction, he beneficially owned 176,031 common units, held directly.
Black Stone Minerals, L.P. director Jerry V. Kyle, Jr. reported receiving additional equity in the company. On 01/02/2026, he acquired 1,410 common units representing limited partner interests at $13.29 per unit, electing to take this award instead of a cash retainer for serving on the board of directors of the partnership’s general partner.
After this transaction, he directly holds 305,652 common units. He also reports indirect beneficial ownership of 250,088 units through the Lena C Anderson Kyle 1968 Trust, 4,000 units through a family limited partnership, and 350,182 units through the Lena C A Kyle Trust. The filing is made by a single reporting person.
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.