Insider Activity of BYRNE JOHN JOSEPH
The largest purchase of all time was on 2003-10-08 and amounted to 200 shares of White Mountains Insurance Group, Ltd. for $85,600.
The largest sale of all time was on 2005-09-08 and amounted to 200000 shares of White Mountains Insurance Group, Ltd. for $131M.
Biography of BYRNE JOHN JOSEPH
No biography is available at this moment.