Date Filer Title Filing Type Shares Traded Price Total Held
May 26, 2021
Chief Financial Officer
Chief Financial Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 $0.56 33,000
May 26, 2021
Chief Financial Officer
Chief Financial Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 -- 200,000
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
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 -- 28,219
Sep 18, 2023
Chief Medical Officer
Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 20,000 -- 144,794
Sep 18, 2023
Chief Medical Officer
Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 -- 40,000
Sep 18, 2023
Chief Financial Officer
Chief Financial Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 106,000 -- 106,000
Sep 18, 2023
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 20,000 -- 317,842
Sep 18, 2023
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 -- 40,000
Jun 14, 2023
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 250,000 -- 250,000

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