SEC Form 4 · accession 0001987724-26-000004
Black Stone Minerals, L.P. · BSM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
James Whitehead
Director
Period of report
Aug 6, 2026
Accepted (ET)
Aug 10, 2026 · 4:48 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001621434
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common units representing limited partner interests | Aug 6, 2026 | S | 498,343 | $13.21 | D | 0 | I | By Eagle Gathering System Ltd. |
| Common units representing limited partner interests | Aug 6, 2026 | S | 1,628,762 | $13.21 | D | 646,058 | I | By Lacy Properties Ltd. |
| Common units representing limited partner interests | holding | — | — | — | 51,865 | D | ||
| Common units representing limited partner interests | holding | — | — | — | 26,153 | I | By trust | |
| Common units representing limited partner interests | holding | — | — | — | 3,102,146 | I | By Crain Energy Ltd. | |
| Common units representing limited partner interests | holding | — | — | — | 25,152 | I | By R Lacy Services Ltd. Retirement Plan | |
| Common units representing limited partner interests | holding | — | — | — | 253,195 | I | By Crain Resources Ltd. |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The Reporting Person has indicated that Eagle Gathering System Ltd., Lacy Properties Ltd., and R. Lacy Services Ltd. Retirement Plan plan to divest their common-unit positions by year-end 2026 for estate-planning and diversification purposes; the reported sales are part of that divestment plan.