D. Mark DeWalch, Director at Black Stone Minerals, L.P. (BSM), bought 72,726 shares at $13.48 ($985K) on 2026-05-29, disclosed to the SEC on 2026-06-02.
Open-market purchase of $985k BSM by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $13.48 | 36,363 | $490K | 49.7% |
| 2 | $13.62 | 36,363 | $495K | 50.3% |
| Total | $13.55 avg | 72,726 | $985K | 100% |
| Filing → |
| BSM | BUY | 2024-02-27 | $101K | — | Filing → |
| BSM | BUY | 2023-11-17 | $1.5M | — | Filing → |
| BSM | BUY | 2023-03-07 | $1.0M | — | Filing → |