Exhibit A
AGREEMENT REGARDING THE JOINT FILING OF
SCHEDULE 13G
The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13G to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule and all amendments thereto jointly on behalf of each such party.
Date: February 12, 2020
| POLARIS VENTURE PARTNERS VI, L.P. | ||
| By: | Polaris Venture Management Co. VI, L.L.C. | |
| By: | * | |
| Authorized Signatory | ||
| POLARIS VENTURE PARTNERS VI (AIV), L.P. | ||
| By: | Polaris Venture Management Co. VI, L.L.C. | |
| By: | * | |
| Authorized Signatory | ||
| PVP VI (AIV) FEEDER CORP. HOLDING PARTNERSHIP, L.P. | ||
| By: | Polaris Venture Management Co. VI, L.L.C. | |
| By: | * | |
| Authorized Signatory | ||
| POLARIS VENTURE PARTNERS FOUNDERS’ FUND VI, L.P. | ||
| By: | Polaris Venture Management Co. VI, L.L.C. | |
| By: | * | |
| Authorized Signatory | ||
| POLARIS VENTURE MANAGEMENT CO. VI, L.L.C. | ||
| By: | * | |
| Authorized Signatory | ||
| JONATHAN A. FLINT | ||
| By: | * | |
| Jonathan A. Flint | ||
| TERRANCE G. MCGUIRE | ||
| By: | * | |
| Terrance G. McGuire | ||
| BRYCE YOUNGREN | ||
| By: | * | |
| Bryce Youngren | ||
| DAVID BARRETT | ||
| By: | ** | |
| David Barrett | ||
| BRIAN CHEE | ||
| By: | ** | |
| Brian Chee | ||
| AMIR NASHAT | ||
| By: | * | |
| Amir Nashat | ||
| *By: | /s/ Lauren Crockett | |
| Name: | Lauren Crockett | |
| Attorney-in-Fact |
| [ | This Schedule 13G was executed pursuant to a Power of Attorney. Note that copies of the applicable Powers of Attorney are already on file with the appropriate agencies.] |
| [** | This Schedule 13G was executed pursuant to a Power of Attorney. Note that copies of the applicable Powers of Attorney are included as exhibits to this Schedule 13G.] |
