On August 6, 2026, two insiders at Black Stone Minerals, L.P. (BSM) sold shares totaling approximately $28.10 million. Director James Whitehead executed the transactions, selling a combined 2,127,105 shares at an average price of $13.21 per share.
While insider selling can be attributed to various personal financial strategies such as tax planning or portfolio diversification, the aggregate value of these sales by multiple insiders may be of note to market observers.
This activity follows a period of insider buying within the company, with director D. Mark DeWalch acquiring shares on three separate occasions in May and June of 2026.