Date Name Title Filing Type Shares Traded Price Total Held
Dec 31, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 5,821
Dec 31, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 376,861
Mar 11, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 57,465
Mar 11, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 500,000
Mar 11, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 5,791
Feb 25, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 5,791
Feb 25, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 57,465
Feb 25, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Form 4 Other acquisition or disposition -- -- 500,000
Dec 13, 2019
Director, President and CSO
Director, President and CSO Form 4 Other acquisition or disposition -- -- 5,791
Dec 13, 2019
Director, President and CSO
Director, President and CSO Form 4 Other acquisition or disposition -- -- 5,383

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