Type	Name	Date
Employment agreement	Executive Employment Agreement by and between Rubicon Technology, Inc. and Kevin T. Lusardi	03/22/2021
Employment agreement	Executive Employment Agreement by and between Rubicon Technology, Inc. and Inga A. Slavutsky	06/04/2018
Employment agreement	Executive Employment Agreement by and between Rubicon Technology, Inc. and Timothy E. Brog	03/16/2017