Type	Name	Date
Registration rights agreement	Registration Rights Agreement	11/29/2017
Securities purchase agreement	Securities Purchase Agreement	11/29/2017

Type	Name	Date
By-Laws	Amended and Restated By-laws	02/06/2018
By-Laws	Amended and Restated Bylaws	08/08/2011

Type	Name	Date
Equity incentive plans	2021 Long Term Incentive Plan	05/20/2021
Severance agreement	Agreement and Release by and between the Company and Carl Schwartz	03/23/2021
Equity incentive plans	Amended and Restated 2012 Stock Incentive Plan	03/22/2019
Employment agreement	Amended and Restated Executive Employment Agreement with Joshua Kornberg, signed on June 17, 2013 and effective March 14, 2013	06/18/2013
Equity incentive plans	Amendment No. 1 to BioDrain Medical, Inc. 2008 Equity Incentive Plan	06/15/2011
Equity incentive plans	Amendment No. 1 to BioDrain Medical, Inc. 2008 Equity Incentive Plan	06/23/2010

Type	Name	Date
Acquisition / asset purchase agreement	Asset Purchase Agreement, by and among the Selling Parties and the Company	07/07/2020
Acquisition / asset purchase agreement	Asset Purchase Agreement, by and among InventaBioTech, Inc., Soluble Therapeutics, Inc., BioDtech, Inc., and Predictive Oncology Inc	06/02/2020