EXHIBIT A

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) promulgated pursuant to the Securities Exchange Act of 1934, as amended, the undersigned agree that the attached Schedule 13D is being filed on behalf of each of the undersigned.

Dated: November 2, 2022
By:	/s/ Paul B. Manning
Name: Paul B. Manning
THE PAUL B. MANNING REVOCABLE TRUST DATED MAY 10, 2000
By:	/s/ Paul B. Manning
Name: Paul B. Manning
Title: Manager
BKB GROWTH INVESTMENTS, LLC
By:	/s/ Paul B. Manning
Name: Paul B. Manning
Title: Manager
By:	/s/ Bradford Manning
Name: Bradford Manning
Title: Manager
BKB G2 INVESTMENTS, LLC
By:	/s/ Paul B. Manning
Name: Paul B. Manning
Title: Manager
By:	/s/ Bradford Manning
Name: Bradford Manning
Title: Manager