Insider Activity of Tompkins Mark N.
The largest purchase of all time was on 2017-09-26 and amounted to 333334 shares of Exicure, Inc. for $1M.
The largest sale of all time was on 2021-04-06 and amounted to 67904 shares of Amesite Inc. for $284,518.
Biography of Tompkins Mark N.
No biography is available at this moment.