Insider Activity of KISZKA ROBERT
The largest purchase of all time was on 2017-08-25 and amounted to 10000 shares of Smart Sand, Inc. for $55,300.
The largest sale of all time was on 2017-02-07 and amounted to 100069 shares of Smart Sand, Inc. for $1.75M.
Biography of KISZKA ROBERT
No biography is available at this moment.