Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 1 dated August 13, 2025 relating to the Common Stock, $0.01 par value, of Abeona Therapeutics Inc. shall be filed on behalf of the undersigned.

 

SUVRETTA CAPITAL MANAGEMENT, LLC

 

By: /s/ Andrew Nathanson

  Name: Andrew Nathanson
  Title:   General Counsel and Chief Compliance Officer

 

 

 

AVERILL MASTER FUND, LTD.

 

By: /s/ Andrew Nathanson

  Name: Andrew Nathanson
  Title:   Authorized Signatory

 

 

 

AARON COWEN

 

By: /s/ Aaron Cowen