Exhibit 1
Joint Filing Statement
We, the undersigned, hereby express our agreement that the attached Schedule 13D/A is filed on behalf of each of us.
Date: November 15, 2019
| INTERWEST PARTNERS IX, LP | ||
| By: | InterWest Management Partners IX, LLC, its General Partner | |
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | |
| Managing Director | ||
| INTERWEST MANAGEMENT PARTNERS IX, LLC | ||
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | |
| Managing Director | ||
| 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 by Karen A. Wilson, Power of Attorney | |
| Name: Arnold L. Oronsky | ||