Date Filer Title Filing Type Shares Traded Price Total Held
May 12, 2023
Chief Operating Officer
Chief Operating Officer Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 41,496 $0.66 297,842
Feb 15, 2023
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 120,000 -- 339,338
Feb 15, 2023
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 560,000 -- 560,000
May 12, 2022
Chief Operating Officer
Chief Operating Officer Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 41,496 $1.41 216,669
May 12, 2021
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 240,000 -- 252,086
Apr 01, 2021
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 275,000 -- 275,000
Mar 01, 2019
Chief Operating Officer
Chief Operating Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 60,000 -- 60,000
Jun 08, 2021
Chief Commercial Officer
Chief Commercial Officer Form 3 Initial Statement of Beneficial Ownership of Securities -- -- --
Jun 01, 2021
Chief Commercial Officer
Chief Commercial Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 400,000 -- 400,000
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.