EXHIBIT A
Joint Filing Statement
We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us.
Date: February 14, 2020
| INTERWEST PARTNERS X, LP | ||
| By: | InterWest Management Partners X, LLC, its General Partner | |
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | |
| Managing Director | ||
| INTERWEST MANAGEMENT PARTNERS X, LLC | ||
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | |
| Managing Director | ||
| By: | /s/ Keval Desai by Karen A. Wilson, Power of Attorney | |
| Name: | Keval Desai | |
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | |
| Name: | Gilbert H. Kliman | |
| By: | /s/ Khaled A. Nasr | |
| Name: | Khaled A. Nasr | |
| By: | /s/ Arnold L. Oronsky | |
| Name: | Arnold L. Oronsky | |
