Date Name Title Type Shares Traded Price
Jan 27, 2021
Director
Director Other acquisition or disposition -- --
Jan 05, 2021
Director
Director Other acquisition or disposition -- --
Jan 05, 2021
Director
Director Other acquisition or disposition -- --
Jan 05, 2021
Director
Director Other acquisition or disposition -- --
Jan 05, 2021
Director
Director Other acquisition or disposition -- --
Jan 05, 2021
Director
Director Other acquisition or disposition -- --
Dec 31, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Other acquisition or disposition -- --
Dec 31, 2020
Director, President and Chief Scientific
Director, President and Chief Scientific Other acquisition or disposition -- --
Dec 11, 2020
VP Controller
VP Controller Other acquisition or disposition -- --
Dec 11, 2020
VP Controller
VP Controller Other acquisition or disposition -- --

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