EXHIBIT A JOINT FILING AGREEMENT

EXHIBIT A

JOINT FILING AGREEMENT

The undersigned hereby agree that a single Schedule 13D (or any amendment thereto) relating to the Common Stock of Janux Therapeutics, Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13D.

Dated: October 25, 2024

AVALON VENTURES XI, L.P.			AVALON VENTURES XI GP LLC
By:	/s/ Xxxxx Xxxxxxx		By:	/s/ Xxxxx Xxxxxxx
	Name: Xxxxx Xxxxxxx			Name: Xxxxx Xxxxxxx
	Title: Authorized Signer			Title: Authorized Signer
AVALON  BIOVENTURES SPV I, L.P.			ABV SPV I GP LLC
By:	/s/ Xxxxx Xxxxxxx		By:	/s/ Xxxxx Xxxxxxx
	Name: Xxxxx Xxxxxxx			Name: Xxxxx Xxxxxxx
	Title: Authorized Signer			Title: Authorized Signer
AVALON BIOVENTURES I, LP			AVALON BIOVENTURES GP, LLC
By:	/s/ Xxxxx Xxxxxxx		By:	/s/ Xxxxx Xxxxxxx
	Name: Xxxxx Xxxxxxx			Name: Xxxxx Xxxxxxx
	Title: Authorized Signer			Title: Authorized Signer
/s/ Xxxxx Xxxxxxxx			/s/ Xxxxx Xxxxxxx
Xxxxx Xxxxxxxx			Xxxxx Xxxxxxx
/s/ Xxxxxxx Xxxxxxxx			/s/ Xxxxxx Xxxxx
Xxxxxxx Xxxxxxxx			Xxxxxx X. Xxxxx, Ph.D.
/s/ Xxxxxx Xxxxxxxx			/s/ Xxxxxxx Xxxxxxx
Xxxxxx Xxxxxxxx			Xxxxxxx Xxxxxxx, Ph.D.
/s/ Xxx Xxxxxxx
Xxx Xxxxxxx, Ph.D.