Ashley J. Longmaid, Director at Black Stone Minerals, L.P. (BSM), sold 11,128 shares at $13.45 ($150K) on 2026-05-12, disclosed to the SEC on 2026-05-13.
Open-market sale of $150k BSM by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.