Insider Activity of DEMSHUR DAVID M
The largest purchase of all time was on 2004-03-01 and amounted to 1698 shares of Core Laboratories N.V. for $35,369.
The largest sale of all time was on 2010-02-16 and amounted to 150000 shares of Core Laboratories N.V. for $18.5M.
Biography of DEMSHUR DAVID M
No biography is available at this moment.