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 | ||||||
| By: | /s/ Gilbert H. Kliman by Karen A. Wilson, Power of Attorney | INTERWEST PARTNERS VIII, LP | ||||
| Name: Gilbert H. Kliman | By: InterWest Management Partners VIII, LLC its General Partner | |||||
| By: | /s/ Arnold L. Oronsky | By: | /s/ Arnold L. Oronsky | |||
| Name: Arnold L. Oronsky | ||||||
| INTERWEST INVESTORS VIII, LP | ||||||
| By: | InterWest Management Partners VIII, LLC | |||||
| its General Partner | ||||||
| By: | /s/ Arnold L. Oronsky | |||||
| Managing Director | ||||||
| INTERWEST INVESTORS Q VIII, LP | ||||||
| By: | InterWest Management Partners VIII, LLC | |||||
| its General Partner | ||||||
| By: | /s/ Arnold L. Oronsky | |||||
| Managing Director | ||||||
| INTERWEST MANAGEMENT PARTNERS VIII, LLC | ||||||
| By: | /s/ Arnold L. Oronsky | |||||
| Managing Director | ||||||
