Date Filer Title Filing Type Shares Traded Price Total Held
Feb 17, 2023
Director, President and CEO
Director, President and CEO Form 4 Other acquisition or disposition -- -- 5,025
May 16, 2022
Director, President and CEO
Director, President and CEO Form 4 Other acquisition or disposition -- -- 5,025
Nov 29, 2021
Director, President and CEO
Director, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 150 $3.98 5,025
Jan 18, 2019
Chief Operating Officer
Chief Operating Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 6,000 $1.30 6,815
Aug 23, 2018
Ten Percent Owner
Ten Percent Owner Form 4 Conversion of derivative security 2,505 $4.59 6,891
Aug 23, 2018
Chief Scientific Officer
Chief Scientific Officer Form 4 Conversion of derivative security 5,941 -- 7,354
Jun 10, 2021
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 7,528 -- 7,528
Jun 10, 2021
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 7,528 -- 7,528
Jun 10, 2021
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 7,528 -- 7,528
Jun 10, 2021
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 7,528 -- 7,528

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