Exhibit M
AGREEMENT REGARDING THE JOINT FILING OF
SCHEDULE 13D
The undersigned being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, as amended, to file this Schedule 13D (including amendments thereto) jointly on behalf of each such party.
| Dated: December 5, 2022 | BCLS SB Investco, LP | |||||
| By: | Bain Capital Life Sciences Partners, LP, | |||||
| its general partner | ||||||
| By: | Bain Capital Life Sciences Investors, LLC, | |||||
| its general partner | ||||||
| By: | /s/ Adam Koppel | |||||
| Name: | Adam Koppel | |||||
| Title: | Managing Director | |||||
| Bain Capital Life Sciences Fund II, L.P. | ||||||
| By: | Bain Capital Life Sciences Investors II, LLC, | |||||
| its general partner | ||||||
| By: | Bain Capital Life Sciences Investors, LLC, | |||||
| its manager | ||||||
| By: | /s/ Adam Koppel | |||||
| Name: | Adam Koppel | |||||
| Title: | Managing Director | |||||
| BCLS II Investco, LP | ||||||
| By: | BCLS II Investco (GP), LLC, | |||||
| its general partner | ||||||
| By: | Bain Capital Life Sciences Fund II, L.P., | |||||
| its managing member | ||||||
| By: | Bain Capital Life Sciences Investors II, LLC, | |||||
| its general partner | ||||||
| By: | Bain Capital Life Sciences Investors, LLC, | |||||
| its manager | ||||||
| By: | /s/ Adam Koppel | |||||
| Name: | Adam Koppel | |||||
| Title: | Managing Director | |||||
| BCIP Life Sciences Associates, LP | ||||||
| By: | Boylston Coinvestors, LLC, | |||||
| its general partner | ||||||
| By: | /s/ Adam Koppel | |||||
| Name: | Adam Koppel | |||||
| Title: | Authorized Signatory | |||||
