Insider Activity of Rosen Andrew Stephen
The largest purchase of all time was on 2020-03-23 and amounted to 1733 shares of Graham Holdings Company for $499,956.
The largest sale of all time was on 2020-12-22 and amounted to 8215 shares of Graham Holdings Company for $4.1M.
Biography of Rosen Andrew Stephen
No biography is available at this moment.