Insider Activity of MASSMANN CALVIN B
The largest purchase of all time was on 2004-01-09 and amounted to 126 shares of Tractor Supply Company for $3,514.
The largest sale of all time was on 2005-10-25 and amounted to 85000 shares of Tractor Supply Company for $4.05M.
Biography of MASSMANN CALVIN B
No biography is available at this moment.