Insider Activity of Mathis William N.
The largest purchase of all time was on 2016-03-14 and amounted to 22820 shares of Black Stone Minerals, L.P. for $312,876.
The largest sale of all time was on 2019-06-14 and amounted to 4 shares of Black Stone Minerals, L.P. for $63.
Biography of Mathis William N.
No biography is available at this moment.