Date Filer Filing Type Shares Traded Price Total Held
Aug 23, 2018
Chief Scientific Officer
Form 4 Conversion of derivative security 254,275 -- --
May 12, 2021
Chief Operating Officer
Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 240,000 -- 252,086
Sep 01, 2020
Chief Financial Officer
Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 225,000 -- 225,000
Aug 23, 2018
Ten Percent Owner
Form 4 Conversion of derivative security 199,653 -- 199,653
Aug 23, 2018
Director, Ten Percent Owner
Form 4 Conversion of derivative security 199,653 -- 199,653
Aug 23, 2018
Director, Ten Percent Owner
Form 4 Conversion of derivative security 199,653 -- 199,653
Aug 23, 2018
Ten Percent Owner
Form 4 Conversion of derivative security 150,550 -- 350,203
Aug 23, 2018
Director, Ten Percent Owner
Form 4 Conversion of derivative security 150,550 -- 350,203
Aug 23, 2018
Director, Ten Percent Owner
Form 4 Conversion of derivative security 150,550 -- 350,203
Mar 01, 2019
Director, President and CEO
Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 145,000 -- 145,000

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.