Insider Activity of Johnson David` T.
The largest purchase of all time was on 2008-12-01 and amounted to 2000 shares of American Vanguard Corporation for $16,000.
The largest sale of all time was on 2020-08-17 and amounted to 18244 shares of American Vanguard Corporation for $262,714.
Biography of Johnson David` T.
No biography is available at this moment.