| Filed On | Filing |
|---|---|
| 18 May 2020 |
Form 3/A: Lieu Hsiao D, SVP, Chief Medical Officer
Holds 1,562 shares of Common Stock |
| 19 Feb 2020 |
Form 3/A: Column Group III, Lp, 10% owner and 2 others
Holds 53,172 shares of Common Stock |
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