Insider Activity of CALDER DONALD G
The largest purchase of all time was on 2006-01-12 and amounted to 5000 shares of Central Securities Corp. for $122,940.
The largest sale of all time was on 2008-02-28 and amounted to 25000 shares of Roper Technologies, Inc. for $1.47M.
Biography of CALDER DONALD G
No biography is available at this moment.