Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of them of a statement on Schedule 13G (including amendments thereto) with respect to the Class A Ordinary Shares, $0.0001 par value per share, of Research Alliance Corporation III, a Cayman Islands corporation, and further agree that this Joint Filing Agreement be included as Exhibit 1 to such Schedule 13G. In evidence thereof, the undersigned hereby execute this agreement this 29th day of May, 2026.

	Trails Edge Capital Partners, LP By: Trails Edge Capital Partners, LLC, its general partner

	By:	/s/ Ortav Yehudai
	Name:	Ortav Yehudai
	Title:	Chief Investment Officer

	Trails Edge Biotechnology Master Fund, LP

	By: Trails Edge Biotechnology Fund GP, LP, GP of Trails Edge Biotechnology Master Fund, LP

	By: Trails Edge GP, LLC, its general partner

	By:	/s/ Ortav Yehudai
	Name:	Ortav Yehudai
	Title:	Chief Investment Officer

	/s/ Ortav Yehudai
	Ortav Yehudai

Research Alliance Corp III SCHEDULE 13G