Insider Activity of OBRIEN JOHN P
The largest purchase of all time was on 2008-10-23 and amounted to 20000 shares of Century Aluminum Company for $237,000.
The largest sale of all time was on 2006-02-27 and amounted to 24000 shares of Century Aluminum Company for $859,200.
Biography of OBRIEN JOHN P
No biography is available at this moment.